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Dissertations / Theses on the topic 'SANITARY AND INDUSTRIAL LABORATORY'
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Дмитриев, К. С., and K. S. Dmitriev. "Разработка проекта программы подготовки к подтверждению компетентности в санитарно-промышленной лаборатории ПАО «МЗИК» : магистерская диссертация." Master's thesis, б. и, 2020. http://hdl.handle.net/10995/93329.
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В работе произведен анализ нормативной документации в области аккредитации испытательных лабораторий. Описаны основные этапы подготовки испытательной лаборатории к подтверждению компетентности. Разработан проект программы подготовки санитарно-промышленной лаборатории ПАО «МЗИК» к подтверждению компетентности. Магистерская диссертация включает в себя 93 страницы, 8 рисунков, 6 таблиц, 6 приложений, 28 литературных источников.The paper analyzes the normative documentation in the field of accreditation of testing laboratories. The main stages of testing laboratory preparation for confirmation of competence are described. The program project of preparing the sanitary and industrial laboratory of PJSC "MZIK" to certification of competence is done. The master's thesis includes 93 pages, 8 figures, 6 tables, 6 appendices, 28 literary sources.
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Oyarzún, Araya Macarena del Pilar. "Dossier de registro sanitario para productos farmacéuticos nuevos, y modificaciones al registro sanitario en un laboratorio farmacéutico." Tesis, Universidad de Chile, 2007. http://www.repositorio.uchile.cl/handle/2250/105677.
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Farley, Alexander H. (Alexander Hamilton). "Laborlandschaft : redesigning the industrial laboratory module." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/87538.
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Thesis: M. Arch., Massachusetts Institute of Technology, Department of Architecture, February 2014."January 16, 2014."--Abstract, page 5. Vita. Page 199 blank. Cataloged from PDF version of thesis.
Includes bibliographical references (pages 190-194).
This thesis proposes to redesign the industrial pharmaceutical laboratory typology by rethinking the composition of the laboratory module; the smallest functional sub-unit of the laboratory type. The design for this thesis applies contemporary corporate counter-culture spatial organizational ideas onto the laboratory module. Central to these concepts is an architecture that is user-oriented and environmentally sensitive rather than managerially-oriented. The spatial organization seeks to flatten the managerial hierarchy by eliminating explicit office spaces. The laboratory is instead spatially divided according to affinity for behaviors and activities rather than strict programmatic designations. The laboratory module was initially conceived during World War 11 as a spatial system to accommodate inter-disciplinary research and development teams in an industrial laboratory setting. However, the spatial design of the module has become deterministically dictated by managerial control systems and calibrated by infrastructural service, rather than serving the environmental and social needs of the researchers. Contemporary laboratory architecture requires the same shift away from spaces organized for clerical work to fluid and open fields that have occurred in corporate architecture. However, architectural design cannot control occupant's behaviors, but it can endorse a specific networked culture through the configuration of spaces. The use of common flexible spaces endorses and encourages social interaction. Likewise the form and figure of the laboratory establishes an environmental tone by allowing the research spaces to sit within an open field. This open field aspect allows for maximum daylighting and greater levels of visual and social interaction. Through a "plug and play" service infrastructure, the lab benches and fume hoods can behave more as setting and furniture rather than rigid spatial datums. Additionally, this spaces also provides for reconfigurability and easy upgradeability. By seeking to move away from standard laboratory spatial solutions and conventions the design takes the position that a laboratory field condition encourages new modes of scientific interaction and production. This laboratory functions as much as an intellectual play ground as it does a functional research laboratory.
by Alexander H. Farley.
M. Arch.
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Kazimoglu, Yasar Kamil. "Moisture retention and conductivity properties of waste refuse : a laboratory study." Thesis, Edinburgh Napier University, 2007. http://researchrepository.napier.ac.uk/Output/5106.
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The modelling of infiltration and moisture movement within a porous medium requires information on the moisture retention and hydraulic conductivity properties. In this study, the unsaturated hydraulic behaviour of a compacted waste sample based on the composition of Lyndhurst Landfill site in Melbourne, Australia was investigated in laboratory. Two fundamental aim of the study were to establish the moisture retention characteristics of Municipal Solid Waste (MSW) sample and measure its unsaturated hydraulic conductivity. In landfilled waste, the particle and pore size distribution, heterogeneity of waste composition and leachate chemistry complicate the determination of moisture retention and hydraulic conductivity. In this study the modification and use of a standard pressure plate apparatus was described which can be used establish moisture retention properties of samples of 230 mm in diameter. The experiments showed that the moisture retention characteristics of compacted waste sample were comparable to soils. It has been shown that water retention in waste is a function of its position relative to the phreatic surface, in other words, its hydraulic boundary conditions which will vary with elevation. Some difficulties and limitations of using this method were discussed. As with conventional inert soils, laboratory determination of unsaturated hydraulic conductivity is difficult and recourse is often made to analytical methods as those presented by van Genuchten (1980). One aim of this study was to compare the unsaturated hydraulic conductivity of MSW obtained using Passioura' s (1976) onestep outflow test method with predictions using van Genuchten's model. Good agreement is observed between the predictive model and experimental method for unsaturated hydraulic conductivities at low moisture contents but there is poor agreement at high degrees of saturation. This latter discrepancy is attributed to the difficulty of measuring retention properties of large pores at low suctions and the applicability of the van Genuchten model to such a material. Results also suggest that dual porosity exists within waste.
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Taiwo, Adewale Matthew. "Receptor modelling of industrial air pollutants." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4662/.
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The presence of particulate and gaseous pollutants at elevated concentrations in the atmospheric environment is detrimental to public health. The present study has investigated the impacts of a steelworks complex on the air quality in Port Talbot, South Wales, United Kingdom. Different offline and online air monitoring instruments were deployed to four sites around the perimeter of the steelworks (at one coastal site (Little Warren LW) and 3 inland sites placed along the length of the steelworks (Fire Station FS, Prince Street PS and Dyffryn School DS) in the study area for a four-week campaign (April 16 to May 16, 2012). Prior to Port Talbot campaign, a separate two week sampling (March 30 to April 12, 2012) was conducted at Elms Road Observatory Site (EROS) for a representation of an urban background. Gaseous and meteorological data logged during the period of sampling were also collected from the Automatic Urban and Rural Network (AURN) site at Port Talbot Margam (FS site). Hourly and daily data collected were prepared for receptor modelling using Positive Matrix Factorization (PMF) and with the use of Open Air and Lakes Environmental WRPLOT View software, windrose and polar plots were produced to show the directional emissions of particulate and gaseous pollutants. The online sampling instrument of Aerosol Time of Flight Mass Spectrometer (ATOFMS) as well as PMF solutions for Streaker and Partisol were able to identify different processing units of the steelworks responsible for pollutant emissions. The polar plots for most air pollutants revealed the steel industry as the major contributor to air pollution in the study area.
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Hajiabady, Siavash. "Integrated condition monitoring of industrial wind turbines." Thesis, University of Birmingham, 2018. http://etheses.bham.ac.uk//id/eprint/8121/.
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The continuous growth in wind turbine power ratings and numbers has led to increased demands in inspection and maintenance due to the more significant financial and operational consequences of unexpected wind turbine failure. The fact that wind farms are commonly located at remote sites with potentially poor accessibility means it is necessary to reduce the need for corrective maintenance through evolution to preventive and prognostic maintenance activities. Prognostic repair schedules can be employed in order to optimise maintenance and contribute to the minimisation of the overall operational costs of wind farms. The present study presents the development and qualitative evaluation of remote condition monitoring methodologies for the evaluation of the wind turbine power electronics and gearboxes. The failures of power converter and gearbox components result in significant wind turbine downtime and associated repair costs. Effective condition monitoring can enable the timely diagnosis of faults in order to prevent unexpected failures and loss of electricity production, contributing towards a noteworthy increase the reliability, availability, maintainability and safety (RAMS) of wind farms. Within this study two customised test rigs have been employed to simulate various of faults and assess the capability of RCM in diagnosing this fault effectively. In addition, field measurements have been carried out and correlated to the findings of the test rig experiments. In this study, it has been possible to identify these variables qualitatively, but the quantitative investigation is still pending and will be most likely the subject of several future studies in this field. The present thesis provides a compact summary of the analysis of the key findings of the experimental work performed within the context of the OPTIMUS FP7 European collaborative project.
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Scott, Margaret Jean. "The environmental correlates of innovation in industrial laboratory design." Thesis, University of Liverpool, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367255.
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Brown, Terry P. "Mortality and cancer incidence among biological research laboratory workers." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363929.
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Arroyo, Lepes Bernardo. "Preparación y Evaluación Económica de la Implementación de un Laboratorio de Buenas Prácticas (BPL)." Tesis, Universidad de Chile, 2008. http://www.repositorio.uchile.cl/handle/2250/101907.
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Eisenhart, Bradley A. "Clogging of a laboratory simulated landfill drainage blanket." Ohio : Ohio University, 1992. http://www.ohiolink.edu/etd/view.cgi?ohiou1172264593.
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Grandhee, Ashok A. "Design of a computer graphics laboratory." Ohio : Ohio University, 1985. http://www.ohiolink.edu/etd/view.cgi?ohiou1184005646.
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Dragoo, Ron. "Pretreatment Optimization of Fiberglass Manufacturing Industrial Wastewater." Thesis, University of North Texas, 1998. https://digital.library.unt.edu/ark:/67531/metadc277875/.
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Wastewater effluent produced in the fiberglass manufacturing industry contains a significant amount of total suspended solids. Environmental regulations require pretreatment of effluent before it is discharged to the municipal wastewater treatment plant. Chemical precipitation by coagulation and flocculation is the method of pretreatment used at the Vetrotex CertainTeed Corporation (VCT). A treatability study was conducted to determine conditions at which the VCT Wastewater Pretreatment Plant could operate to consistently achieve a total suspended solids concentration ≤ 200-mg/L. Jar tests varied pH, polymer dosage, and ferric sulfate dosage. Total suspended solids and turbidity were measured to evaluate treatment performance. The data were used to determine an optimum set of conditions under project guidelines. Of twelve polymers screened, BPL 594 was selected as the most effective polymer. For cost efficiency in the wastewater pretreatment operation, recommendations suggested that treatment chemical injection be electronically controlled according to turbidity of the treated effluent.
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Eizagguirre-Garcia, Domingo. "Industrial toxic waste and health : a practical case study." Thesis, University of Glasgow, 1996. http://theses.gla.ac.uk/710/.
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The objective of this thesis is to develop a standard, simple methodology for the assessment of health in areas near sources of pollution. This methodology should make use of readily available data and computing facilities. A literature review on previous studies on the subject was carried out in order to draw from existing experience. A total of twenty-five studies on health near sources of pollution were reviewed. These studies were carried out between 1982 and 1991, most of them in Britain, two in France. The types of pollution sources studied ranged from waste dumps to incinerators, to nuclear power stations. Each study was described, stressing on their respective backgrounds, building on geographical (study) areas, data, analysis and results. Brief synopses of the studies were next grouped, according to those using conventional epidemiological methods and more innovative ones. Finally, it was concluded from the review that the methodology intended should be descriptive, making use of routinely collected data, with a study area based on small geographical divisions (small areas) and taking into account socio-economic differences over its study area. In the absence of accurate data on pollution levels, and from the previous experience of one of the studies reviewed, circular study areas centred on the source of pollution and subdivided into rings were used, with distance of each ring to the centre as a proxy indicator of levels of pollution. The new methodology was found valid and the objective of the study was met. It compared favourably with previously reviewed methodologies. The methodology is intended to be used as a descriptive, exploratory tool, whose findings may warrant further analytic studies, which the method is not designed to, and can not, replace. The use of routinely collected data greatly facilitated the study, although caveats for future studies exist on them. Distance as a surrogate for exposure is seen as a simplistic approach, but in the absence of reliable exposure data it is a useful one. Standardization by Deprivation category has also been found useful to account for factors for which little data exist.
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Renz, Miriam Christina. "Laboratory investigation of a simulated industrial task pre- and post-ergonomics intervention." Thesis, Rhodes University, 2004. http://hdl.handle.net/10962/d1015806.
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The focus of the present study was on the investigation of the effects of an intervention strategy on an industrial task in situ and a simulation of the same task within a laboratory setting. The task of offloading crates from a truck at a local business was simulated in a laboratory setting for rigorous analysis. The effect of an ergonomically sound intervention on selected physical, physiological and perceptual variables was evaluated in a test - retest experimental set-up using 28 young, healthy male students. Each of the two experimental conditions lasted for 16 minutes. In the pre-intervention task subjects were required to transfer the crates from one point to another by sliding them along the floor. During the execution of the post-intervention task responses to reductions in the stacking height and modifications of the working method were evaluated. Results obtained for spinal kinematics during the simulated industrial task indicated a high biomechanical risk, due to large ranges of motion, high velocities and accelerations in the sagittal and transverse planes. The heavy workload of the task was also evident in elevated physiological responses (HR, RF, VT, VE, VO2, RQ, EE) and perceptual ratings (RPE, Body Discomfort). Assessment of the intervention strategy revealed that the high risk industrial task was reduced to moderate acceptable, with measurements of spinal kinematics, physiological and perceptual variables being significantly reduced. An in situ re-assessment of the workers responses to the intervention also elicited reductions in heart rates and perceptual ratings compared to the original task.
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Wang, Jiacheng, and Luzaisso Domingos. "Developing of Data Logging System for Flow Test Station in Industrial Laboratory." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-13120.
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CEJN is a leading transnational company with long history and professional background providing high-tech quick connect products in global market. The headquarters of the com-pany in Skövde, Sweden, is the birthplace and core location of the entire corporation. In the headquarters, the engineer tests their products at their flow test laboratory. In the laboratory, there are flow test stations for all product ranges. Within them, the most basic are flow test benches for air, water and hydraulic oil products. The flow test benches are aim to test the products under International/Swedish standard conditions to determine the performance. This project is aimed in upgrading the test benches by engineering both hardware and soft-ware, to achieve higher level of automation of the data logging system used in the lab. All three test benches were designed and installed following requirements in corresponding in-ternational standards. The principles of testing are similar, but they are not developed from the same era, and the automation level of each test bench differs. As a result, the need of up-grading in the benches is different. In the laboratory, the recorded test results are reorganized and processed by a report genera-tor developed on Microsoft Excel. The Excel report generator is used for organize test results, calibrate the deviation of the instruments, calculate the flow coefficient of the product, gener-ate performance diagrams of the products, generate test reports for different purpose of use, and save the test data and results on the server of the company. Above all, an upgrade of the data logging system for the three flow test benches was needed. Depending on the conditions of each test bench, the project is implemented and designed the following three parts: • A hardware upgrading (flow rate computer) for the air flow test benchA new signal indicating device for replacing the old flow rate computer is purchased from Italy by the company. The new instrument contains filter function to stabilize the flow rate value. • A software upgrading (Excel report generator) for all the test benchesVisual Basic for Applications (VBA) programming language is used for developing functions such as data communication, signal decoding and user interface developing in Excel. • Develop of an automated data visualizing system for the air flow test benchData communication from the new instrument to a PC through serial port and Mod-bus RTU interface is established. The data visualizing function is compiled in the Ex-cel report generator for the air flow test, realized by VBA programming.
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Nehrenheim, Emma. "Metal retention from leachate using Industrial Waste Products." Licentiate thesis, Västerås : Department of Public Technology, Mälardalen University, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-197.
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Garcia, Ediberto D. "Asbestos Exposure in the Research Laboratory." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4893.
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Introduction: Asbestos has been employed in a myriad of industrial applications for more than a century. Of the 181 Mt of asbestos produced worldwide, over 31 Mt was consumed in the U.S. The production and consumption of this mineral eventually was found to cause asbestosis, lung cancer and mesothelioma. While the brunt of the human exposure to asbestos occurred in insulation work, many more workers in other jobs were expose to asbestos fibers. Very little is known about the potential exposure to asbestos in research labs.
Goal: In order to investigate potential research lab work exposures, we simulated lab work with various asbestos-containing items commonly found in research laboratories: 6 wire gauze pads, 3 gloves, 3 beaker tongs, and 3 Transite boards. All samples were analyzed by Phase Contrast Microscopy and, when appropriate, by Transmission Electron Microscopy and Polarized Light Microscopy.
Results: All tested items were confirmed by bulk sampling to have asbestos fibers in their composition. Exposures from the 7 wire gauze pads were significantly lower than the PEL and the excursion limit, the highest exposure concentration measuring 0.029 f/cc. For the 3 beaker tongs with asbestos sleeves, exposure was below the PEL for 2 of the 3, with one resulting in an exposure of 0.160 f/cc (8-h TWA = 0.01 f/cc). For the Transite boards had the highest exposures of all tested items, with a maximum concentration of 0.320 f/cc (8-h TWA = 0.02 f/cc).
Conclusion: Asbestos exposure in our simulated research lab work was significantly lower than any of the historical exposures associated with asbestos-related disease including cancer.
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Seay, Jeffrey Richard Eden Mario R. "A methodology for integrating process design elements with laboratory experiments." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SPRING/Chemical_Engineering/Dissertation/Seay_Jeffrey_51.pdf.
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Thesis (Ph. D.)--Auburn University, 2008.Abstract. Vita. Written in two volumes. Volume one is public and contains non-proprietary data and results. Volume two contains all proprietary data, and will be available only to the dissertation committee and industrial sponsor. Includes bibliographical references (p. 161-166).
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Callaghan, Fergal James. "Co-digestion of agricultural and industrial wastes." Thesis, University of Birmingham, 1998. http://etheses.bham.ac.uk//id/eprint/3601/.
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Anaerobic digestion technology has not gained widespread acceptance on UK farms due mainly to the long return on investment periods involved. It has been suggested that co-digestion of agricultural and industrial wastes may enhance the economic viability of such installations. Batch and continuous digestion of cattle slurry and organic industrial wastes was carried out in specially constructed pilot plant digesters, to determine optimum mixtures of waste and digester loading rates. A total of 10 different wastes were tested, on a batch digestion basis, for their potential to co-digest with cattle slurry. Of these, 3 were chosen for continuous pilot plant trials, due to either a need to provide a disposal route for the waste, or positive effects of the waste on methane productivity. Chicken manure was found to slightly enhance methane productivity, but ammonia inhibition of methanogenic bacteria was noted over time. The organic fraction of municipal household waste (OFMSW) significantly enhanced digester methane productivity, while fish offal (FO) slightly enhanced methane productivity when added to the digester in small quantities, but quickly caused digester failure when added in larger amounts. An economic model of a digestion facility was developed and used to show the financial benefits of co-digestion.
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Estrem, William Arnold McCarthy John R. "Cost-effectiveness of computer-assisted interactive video laboratory experiences in undergraduate industrial technology programs." Normal, Ill. Illinois State University, 1985. http://wwwlib.umi.com/cr/ilstu/fullcit?p8525560.
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Thesis (Ph. D.)--Illinois State University, 1985.Title from title page screen, viewed June 23, 2005. Dissertation Committee: John McCarthy (chair), Harry Campbell, Ronald Halinski, Everett Israel, J.H. McGrath. Includes bibliographical references (leaves 128-134) and abstract. Also available in print.
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Andersson, Elin, and Johanna Linda Nugin. "Configuration of an electronic Kanban board for planning analysis activities at an industrial laboratory." Thesis, KTH, Industriell produktion, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-278077.
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To improve productivity, it is important that the right product is produced in the right quantity when that product is needed. Kanban is a way to signalise the need for material and its main aspect is that it pulls materials through the processes only when needed. Kanban can therefore help reduce Work In Progress (WIP). Quality Control (QC) at AstraZeneca in Södertälje is tasked with controlling the quality of batch samples from production. Several different analyses need to be performed on a batch and all the analyses should preferably be done at the same time to reduce the levels of ongoing work. The currently used system and working procedures for planning analysis activities at the QC laboratories results in high levels of WIP. The aim of this project was to investigate the possibility to replace the currently used planning system with an electronic Kanban board so that WIP can be limited and a more predictable flow achieved. Observations and discussions have been conducted to understand the current state of the QC process. A literature review has been conducted to form a theoretical framework for concepts such as Just-In-Time and Kanban. A Kanban board has been configured using a software suggested by AstraZeneca for one team. The functionality of the board is presented along with a discussion of how it can be used in their operations. It has been configured so it is possible to prioritise the completion of ongoing batch analyses before new batches are started, making it possible to reduce WIP and achieve a more predictable flow. Tasks are to be prioritised according to a decision tree. Limitations in the construction of the board and challenges with a potential future implementation are discussed. The board has been presented to team leaders and analysts to gain their input. Based on this, some alterations have been suggested. A suggestion for the setup of a pilot test is presented. It is recommended that the board is tested in parallel with the current planning system to evaluate the possibility to implement the board in a larger scale and to further investigate challenges and possibilities with the software.För att förbättra produktiviteten är det viktigt att rätt produkt produceras i rätt mängd när den behövs. Kanban är ett sätt att signalera behov av material och dess huvudaspekt är att material dras genom processen endast när det behövs. Kanban kan därför minska pågående arbete (WIP). Quality Control (QC) på AstraZeneca i Södertälje har som uppgift att kontrollera kvaliteten på batchprover från produktion. Flera olika analyser måste genomföras på en batch och alla analyser ska helst slutföras samtidigt för att reducera nivåerna av pågående arbete. Det nuvarande systemet och arbetsrutiner för att planera analysaktiviteter på QC laboratorierna resulterar i höga nivåer av WIP. Syftet med detta projekt var att undersöka möjligheten att ersätta det nuvarande planeringssystemet med en elektronisk Kanbantavla så att nivåerna av WIP kan begränsas och ett mer förutsägbart flöde uppnås. Observationer och diskussioner har genomförts för att få en förståelse för nuvarande arbetssätt i QC. En litteraturstudie har genomförts för att bilda ett teoretisk ramverk för koncept som Just-In-Time och Kanban. En Kanbantavla har konfigurerats för ett av lagen i en programvara som föreslagits av AstraZeneca. Tavlans funktionalitet presenteras och det diskuteras hur denna kan användas i deras verksamhet. Den har konfigurerats så att det är möjligt att prioritera att analyserna av pågående batcher slutförs innan nya batcher påbörjas, vilket möjliggör en reduktion av WIP och skapandet av ett mer förutsägbart flöde. Ett beslutsträd ska användas som hjälpmedel för att prioritera arbetsuppgifter rätt. Begränsningar i konstruktionen och utmaningar med en potentiell framtida implementation diskuteras. Tavlan har presenterats för team leaders och analytiker för att erhålla deras input. Baserat på denna har också några ändringar föreslagits. Ett förslag på upplägg för en pilottestning presenteras. Det är rekommenderat att tavlan testas parallellt med nuvarande planeringssystem för att utvärdera möjligheten att implementera den i större skala samt för att vidare undersöka utmaningar och möjligheter med programvaran.
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Hallett, Laura Ann. "Design and laboratory evaluation of an inexpensive noise sensor." Thesis, University of Iowa, 2017. https://ir.uiowa.edu/etd/5768.
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Noise is a pervasive workplace hazard that varies spatially and temporally. Hazard mapping is a useful way to communicate intensity and distribution of noise sources in the workplace. These maps can be created using a stationary network of sensors, although the cost of noise measurement instruments has prohibited their use in such a network. The objectives for this work were to (1) develop an inexpensive noise sensor (<$100) that measures A-weighted sound pressure levels within ±2 dBA of a Type 2 sound level meter (SLM, ~$1,800); and (2) evaluate 50 noise sensors before field deployment as part of an inexpensive sensor network. The inexpensive noise sensor consists of an electret condenser microphone, an amplifier circuit, and a microcontroller with a small form factor (28mm by 47 mm by 9 mm) than can be operated as a stand-alone unit. Laboratory tests were conducted to evaluate 50 of the new sensors at 5 test levels. The testing levels were (1) ambient noise in a quiet office, (2) a pink noise test signal from 65 to 85 dBA in 10 dBA increments, and, (3) 94 dBA using a SLM calibrator. The difference between the output of the sensor and SLM were computed for each level and overall. Ninety-four percent of the noise sensors (n=46) were within ± 2 dBA of the SLM for noise levels from 65 dBA to 94 dBA. As noise level increased, bias decreased, ranging from 18.3% in the quiet office to 0.48% at 94 dBA. Overall bias of the sensors was 0.83% across the 75 dBA to 94 dBA range. These sensors are available for a variety of uses and can be customized for many applications, including incorporation into a stationary sensor network for continuously monitoring noise in manufacturing environments.
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Choi, Jongsup 1956. "A software laboratory and comparative study of computational methods for Markov decision processes." Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/290578.
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Dynamic programming (DP) is one of the most important mathematical programming methods. However, a major limitation in the practical application of DP methods to stochastic decision and control problems has been the explosive computational burden. Significant amounts of research have been focused on improving the speed of convergence and allowing for larger state and action spaces. The principal methods and algorithms of DP are surveyed in this dissertation. The rank-one correction method for value iteration (ROC) recently proposed by Bertsekas was designed to increase the speed of convergence. In this dissertation we have extended the ROC method proposed by Bertsekas to problems with multiple policies. This method is particularly well-suited to systems with substochastic matrices, e.g., those arising in shortest path problems. In order to test, verify, and compare different computational methods we developed a FORTRAN software laboratory for Stochastic s (YS)tems (CO)ntrol and (DE)cision algorithms for discrete time, finite Markov decision processes (SYSCODE). This is a user-friendly, interactive software laboratory. SYSCODE provides the user with a choice of 39 combinations of DP algorithms for testing and 1 comparison. SYSCODE has also been endowed with sophisticated capabilities for random problem data generation. We present a comprehensive computational comparison of many of the algorithms provided by SYSCODE using well-known test problems as well as randomly generated problem data.
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Zaitouni, Wael K. "Applied Real-Time Integrated Distributed Control Systems: An Industrial Overview and an Implemented Laboratory Case Study." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc862854/.
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This thesis dissertation mainly compares and investigates laboratory study of different implementation methodologies of applied control systems and how they can be adopted in industrial, as well as commercial, automation applications. Namely the research paper aims to assess or evaluate eventual feedback control loops' performance and robustness over multiple conventional or state-of-the-art technologies in the field of applied industrial automation and instrumentation by implementing a laboratory case study setup: the ball on beam system. Hence, the paper tries to close the gap between industry and academia by: first, conducting a historical study and background information of main evolutional and technological eras in the field of industrial process control automation and instrumentation. Then, some related basic theoretical as well as practical concepts are reviewed in Chapter 2 of the report before displaying the detailed design. After that, the next Chapter, analyses the ball on beam control system problem as the case studied in the context of this research through reviewing previous literature, modeling and simulation. The following Chapter details the proposed design and implementation of the ball on beam case study as if it is under the introduced distributed industrial automation architecture. Finally, Chapter 5 concludes this work by listing several points leaned, remarks, and observations, and stating possible development and the future vision of this research.
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Fouch, Sandra E. "To what extent does personal relevance impact behavior after attending a laboratory safety training session?" Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4781.
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Thesis (Ed. D.)--West Virginia University, 2006.Title from document title page. Document formatted into pages; contains vii, 112 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 69-71).
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Ebuetse, Mercy Akunna. "Implementation of 5S at a Survey Laboratory in Western Kentucky University." TopSCHOLAR®, 2018. https://digitalcommons.wku.edu/theses/2073.
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5S is a technique used alongside methodologies such as lean, total quality management and six-sigma for continuous improvement and workplace standardization. Nonetheless, despite the upsurge in the implementation of 5S by lean manufacturing facilities and other industries, educational laboratories appear to be lagging. Taking into consideration the benefits of implementing 5S within industry, it has become crucial to replicate the technique in an educational laboratory to obtain equivalent results. To upgrade educational laboratories into industrial laboratories, 5S (sort, set in order, shine, standardize, and sustain) is required to improve the laboratory’s ergonomics that subsequently increases efficiency, productivity, and lessens waste amongst many other benefits. The aim of this study was to: first, standardize the surveying laboratory in Western Kentucky University by implementing 5S. Second, evaluate the impact of 5S based on the chosen performance indicators such as efficiency, workspace, equipment search time, working environment, and safety. To evaluate the impact of 5S on the selected performance indicators, study participants responded to a survey instrument pre and post 5S implementation. In addition, observations were made to assess the impact. The results showed that there was a perceived improvement in efficiency, workspace, equipment search time, working environment and safety.
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Karunamoothei, V. "Restaurant food waste management using microwave plasma gasification technology." Thesis, Liverpool John Moores University, 2018. http://researchonline.ljmu.ac.uk/8723/.
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The novelty of this research is that it investigates an on-site solution for the treatment of restaurant waste using a microwave generated plasma for pyrolysis and gasification. The developed system has been used to treat waste from a city centre fast food restaurant. The system was designed with the aim of reducing the amount of waste being sent to landfill by approximately 94%. The waste is mostly food based but also includes paper waste such as napkins. It was separated into three categories: mixed food, paper and fries. Samples of the mixed food and paper waste were analysed for chemical composition and calorific value. A 2.45GHz magnetron was used to supply 1kW of microwave power to a plasma cavity that had an argon flow rate of 1.5 litre per minute. The design of the microwave plasma cavity was performed using the simulation software, COMSOL. The cavity consists of a tapered waveguide section that is shorted at one end to produce a stationary wave with a large electric field at the gas nozzle. The field is strong enough to produce a self-striking argon plasma when the power is applied. Nitrogen was used to keep the plasma cavity clear of smoke, vapours and other hot gas. The best nitrogen flow rates were found to be around 2 litres/minute, although 5 litres/minute was used in the test to avoid the CO sensor saturating. The combination of the argon and nitrogen was used to purge the gasifier of oxygen. The pressure inside the gasifier was held at 200mbar during the experiments. The resulting plasma jet was used to produce syngas from the waste samples inside a thermally insulated, steel-walled reactor. Temperature profiles were recorded to find the best gas flow rates. 10g samples of the three waste categories were tested in triplicate and the results are presented. Syngas production was recorded using a Quintox gas analyser that measured CO, CO2 and O2. The data was captured every 10s during testing using a PC running a custom-built LabVIEW program. This program was also used to set the microwave output power and record the reflected power and temperatures using National Instruments cDAQ modules with analogue to digital converters. The CO and H2 in syngas can be used as a fuel to offset the cost of running the plasma jet. The results reveal that it is possible to generate the syngas using waste food materials. This study has included an investigation of some of the parameters, including power and flow rates of argon and nitrogen, on the plasma created. Others effects were taken into consideration throughout the research such as the study of the sample moisture levels and the final reduction of mass after the experiment. The ashes produced by the tests were investigated using SEM/EDX analysis. These results are also presented and analysed.
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Kataoka, Sergio Massaru. "Avaliação de áreas para disposição de resíduos: proposta de planilha para gerenciamento ambiental aplicado a aterro sanitário industrial." Universidade de São Paulo, 2000. http://www.teses.usp.br/teses/disponiveis/18/18132/tde-15062018-183803/.
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Esta dissertação apresenta uma revisão dos principais estudos relacionados à disposição final de resíduos sólidos das mais variadas origens em aterros sanitários ou aterros sanitários industriais. Considerando-se estes estudos, foi e laborada uma planilha para avaliação e gerenciamento ambiental de um aterro sanitário industrial, abordando os principais elementos necessários à caracterização do meio físico, biológico, sacio-econômico, além da avaliação dos critérios de projeto, classificação dos resíduos e programas de monitoramento e controle ambiental. As planilhas foram aplicadas na avaliação dos estudos de impacto ambiental EIA/relatório de impacto ambiental RIMA de 3 aterros sanitários industriais. O critério de avaliação foi baseado no atendimento aos itens da planilha adotando-se um sistema de pontuação para análise final dos estudos. A avaliação final mostrou as deficiências dos estudos apresentados nos EIA/RIMA elaborados para a obtenção do licenciamento ambiental e aprovação das áreas para instalação dos empreendimentos.This dissertation presents a revision of the current researches on solid waste disposal, that comes from a great variety of domestic waste or industrial waste landfills. Concerning to this research, it was proposed a spreadsheet for environmental assessment and management of sanitary industrial landfills, comprising the most important features for the global environment, besides the evaluation of project criteria, waste classification, monitoring programs and environmental control. This spreadsheet have been applied to evaluate the environmental impact assessment (EIA) of three sanitary industrial landfills. The assessment criteria were based on ranking the elements that attend the spreadsheet items. As final results, it can be demonstrated the deficiencies of the current ElA studies that have been proposed for obtaining environmental licenses and permissions to sites for enterprising purposes.
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Mandel, Pierre. "Modelling ozonation processes for disinfection by-product cotnrol in potable water treatment : from laboratory to industrial units." Rennes 1, 2010. https://tel.archives-ouvertes.fr/tel-00564767.
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Afin de gérer au mieux le pilotage des unités d'ozonation lors de la potabilisation des eaux, un modèle prédictif a été développé. L'objectif du modèle était de pouvoir prédire, sur une installation industrielle, les concentrations en ozone, en bromates et en différents micropolluants. Le modèle chimique proposé est mécanistique et peut être subdivisé en plusieurs parties : auto-décomposition de l'ozone, influence de l'alcalinité, formation de bromates, influence de la MON (Matière Organique Naturelle). Le modèle d'influence de la MON comporte 12 paramètres ajustables, le modèle pour la formation des bromates comporte un paramètre ajustable, les valeurs des autres paramètres sont fixées d'après la littérature. Le modèle hydraulique est de type systémique et comprend des réacteurs idéaux (parfaitement agités et piston). L'identifiabilité du jeu de paramètres a été conduite par une analyse de sensibilité (eFAST). La procédure d'optimisation par méthode de Nelder-Mead a été testée. Le modèle proposé permet de rendre bien compte des variations de pH, de température, de concentration de MON, de doses d'ozone sur la décomposition de l'ozone et la génération de radicaux. Les essais sur la formation de bromates ont montré que le modèle donne de bons résultats pour des concentrations inférieures à 20 µg. L-1, ce qui est particulièrement intéressant dans le cas d'une application industrielle. Enfin, une étude sur une unité industrielle a montré que des modèles calibrés en laboratoire (chimie, hydraulique) peuvent être appliqués directement sur site. Le modèle de formation des bromates est néanmoins instable dans le temps et doit être périodiquement réajustéFacing major challenges, management of ozonation process will increasingly need prediction tools based on modelling. Dealing with different types of waters (chemistry) and different types of tanks (hydraulics), modelling of ozonation units has to adapt to site-specific conditions. The main objective of this work was to develop an integrated modelling procedure for industrial ozonation processes for predicting concentration profiles of: ozone, bromate and specific micropollutants. Two types of chemical models were considered: semi-empirical models with adjustable kinetics (for the role of Natural Organic Matter, NOM) and mechanistic models with predetermined kinetics (for other phenomena related to ozonation). Hydraulic flow conditions were modelled by systematic networks (patterns of ideal reactors). Ozone decomposition, hydroxyl radical generation and bromate formation were studied at lab-scale with a specially developed apparatus. Various experimental conditions were tested: pH, temperature, ozone doses, initial bromide concentrations, concentration of NOM and nature of NOM. The model was able to adequately reproduce experimental measurements for nine of the eleven water samples studied, covering a wide domain: 6. 1 ≤pH ≤8. 15; 1. 02 meq. L-1≤ AT ≤6. 02 meq. L-1; 0-. 0. 5 mg. L-1≤TOC≤3. 1 mg. L-1. For bromate, considering the crucial zone between the quantification limit and 20 µg. L-1, a large majority of the simulated concentrations corresponded to experimental concentrations or were located in the experimental uncertainty interval. A full-scale study showed that models calibrated at lab-scale may be used directly on-site to predict the formation of bromate and ozone profiles. Readjustments of the model for bromate formation should however account for seasonal changes
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Carhart, Victoria. "A Comparative Examination of the Safety Programs at UCLA, UMN, and UVM in Response to Recent Chemistry Laboratory Incidents." ScholarWorks @ UVM, 2015. http://scholarworks.uvm.edu/graddis/430.
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Laboratory safety has recently become more of an imperative in research laboratories than it has ever been in the past. Recent accidents at several universities have escalated the awareness of safety concerns in laboratory workspaces among the general public and created a greater need for a stronger culture of safety in chemistry research overall. Historically, results and publications have been the top priority of most researchers, not laboratory safety.
This thesis discusses a number of laboratory accidents. The first happened in December of 2008 at the University of California, Los Angeles (UCLA) and resulted in the death of a graduate student researcher. Many safety concerns and violations contributed to the fatality. The second accident happened in June of 2014 at the University of Minnesota (UMN). This incident involved an explosion in a fume hood that caused injuries to the researcher as well as a great deal of damage to the hood and experimental setup. Various minor incidents at the University of Vermont (UVM) are also discussed with regards to the effects on laboratory safety at the university.
Universities around the country have been able to learn from these accidents in order to prevent similar occurrences in the future. These accidents and their safety ramifications at UCLA, UMN, and UVM are the focus of this thesis. The safety programs at each of these universities are examined and compared with respect to how the incidents have facilitated necessary changes. Finally, future goals and opportunities for the safety program at UVM are suggested.
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Vieira, Ana Valéria Rabelo. "Avaliação dos possíveis impactos ambientais negativos decorrentes da instalação do aterro sanitário industrial e dos lagos de resíduos de bauxita: Parque Industrial - ALUMAR/ALCOA - São Luís - MA." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/18/18132/tde-04102017-154935/.
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Este trabalho apresenta uma análise dos possíveis impactos ambientais negativos decorrentes da instalação do aterro sanitário industrial e dos lagos de resíduos de bauxita do Parque Industrial do Consórcio do Alumínio do Maranhão - ALUMAR, em termo de contaminação das águas superficiais e subsuperficiais das bacias hidrográficas envolvidas, baseado em um grupo de atributos, considerando um modelo exploratório. A partir de dados espaciais (ensaios laboratoriais e de campo) e mapas elaborados pela ALUMAR, nas escalas 1:10.000 e 1:20.000, foram selecionados, analisados e sintetizados todos os atributos de interesse em um conjunto de 12 documentos cartográficos. Num passo seguinte, foram investigados os aspectos do meio físico (colapsividade, erosão, afundamento, estabilidade do maciço e infiltração) e as características físicas do aterro sanitário industrial e do lagos de resíduos de bauxita (posição em relação ao nível de água, posição em relação ao substrato rochoso, aspectos construtivos e técnicas de impermeabilização), os quais podem gerar condições de instabilização no sistema e nas fontes, provocando vazamento. Frente à análise dos dados obtidos, os acidentes na área do aterro sanitário industrial e dos lagos de resíduos de bauxita, podem ser ocasionado por infiltração e erosão. A contaminação decorrente de vazamentos nesta região não atingirá níveis profundos devido à presença de material silte arenoargiloso da Formação Alter do Chão, pouco permeável, que impedirá o deslocamento dos contaminantes em profundidade, promovendo o espalhamento lateral controlado pelas camadas que comportam-se como drenos, e assim os contaminantes poderão ser interceptados pelos canais de drenagem, poluindo as águas superficiais e subsuperficiais e, por conseqüência, todos os componentes do meio ambiente.This work presents an analysis of the possible negative environmental impacts associated to the installation of industrial sanitary landfill and of lakes of bauxite residues at the Industrial Park of Aluminum Consortium in Maranhão - ALUMAR, in terms of contamination of superficial waters and groundwater, based on a group of attributes, and considering an exploratory model. From laboratories, field data and maps elaborated by ALUMAR, at scales 1:10,000 and 1:20,000, the attributes were put into 12 cartographic documents. The analyses were done considering collapsible, erosion, settlement, slope stability and infiltration conditions of the areas, technological characteristics o f industrial sanitary landfill of the bauxite waste lakes and spacial position in relation to groundwater level and rocky substratum. According to the analysis of the data obtained, the accidents in the area of industrial sanitary landfill and of the lakes of bauxite residues can be caused by infiltration, due to both a deficiency in its impermeabilization system and erosion. The current contamination in this area will not reach deep levels due to the presence of clayey sand silt layers of the Alter do Chão Formation, and low permeability, which impede the movement of pollutants in depth. On the other hand, this layer should promote the lateral dispersal controlled by the layers which behave as drains. The pollutants can be intercepted by the drainage channels, polluting the superficial waters and groundwater and, as a consequence, all the components of the environment.
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Yaccup, Rahman. "The spatial characterisation of contaminant distribution found at industrial sites using combined geophysical / hydrogeological fieldstudies and laboratory modelling." Thesis, Cardiff University, 2012. http://orca.cf.ac.uk/30073/.
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Integrated geophysical, geochemical and hydrogeological modelling techniques have been used in this PhD research study to characterise the ground contamination at four study sites. The primary aim of the research is to study the efficiency of using an integrated approach to study hydrocarbon and heavy metal contamination in the subsurface soil, geology and groundwater systems. Each of the four sites have different industrial legacies (hence types of contamination) and periods of operation. The sites in increasing age are: Bromsgrove landfill, Cathays Railway Depot, Barry Docks and Weston-Super-Mare gasworks. The geophysical methods used in this study are Electrical Resistivity imaging (IRIS) and multifrequency ground conductivity (Gem-2). These techniques can map the electrical properties of the sub-surface in both 2D and 3D. The electrical properties are then compared with independent professional geochemical sampling programmes for both soil and groundwater. The results of this project show that the geophysical methods provide a clear indication of the zones of ground contamination (hydrocarbons and heavy metals) in both 2D and 3D. Electrical resistivity/conductivity mapping using both independent techniques show consistent results. The geophysical results also show a good correlation with the geochemical sampling programmes for soil, water and gas. The results are encouraging in that geophysics could be used more widely in professional contaminated land site investigations to supplement conventional invasive techniques and sampling programmes. The research has also investigated whether geophysical parameters such as electrical conductivity could be used as a groundwater modelling parameter in the Visual Modflow software. The advantage being that geophysics can provide a high intensity of data in 3D and even temporal 4D at a site. The geophysical results can define an accurate spatial distribution of the contaminated area. This can be used to assign a ‘concentration recharge’ in the modelling compared to the normal practice of using chemical data from a small number of discrete sampling points. However this approach will still require chemical data for validation.
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De, Wet Tinus Andre. "Laboratory optimization of a protease extraction and purification process from bovine pancreas in preparation for industrial scale up." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71790.
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Thesis (MSc)--Stellenbosch University, 2012.ENGLISH ABSTRACT: This study describes: a) Characterization of traditional methodologies and testing methods used to purify and quantify trypsin and α-chymotrypsin b) Re-engineering / development of a new method for purifying trypsin and α-chymotrypsin that delivered higher product yields and improved control exercised over the process by investigating: i. Extraction methods ii. Centrifugation iii. Ultrafiltration iv. Chymotrypsinogen and trypsin crystallization v. Column chromatography vi. Investigation into different raw material sources for pancreatic enzyme production c) Development of kinetic and ELISA testing methodologies for in-process QC analysis.
AFRIKAANSE OPSOMMING: Hierdie Studie beskryf: a) Karakterisering van die ou prosessering metodes en toets metodes wat gebruik word om Tripsien en Alpha-chimotripsien te suiwer en te kwantifiseer. b) Herontwerp / ontwikkeling van 'n nuwe metode vir die suiwering Tripsien en Chimotripsien wat „n hoër opbrengs lewer en meer kontrole oor die proses uit oefen deur ondersoek in te stel na: i. Ekstraksie- metodes ii. Sentrifugering iii. Ultrafiltrasie iv. Chymotripsienogeen - en tripsien kristallisasie v. Kolom chromatografie vi. Ondersoek na verskillende rou materiaal bronne vir die produksie van pankreas ensieme. c) Die ontwikkeling van kinetiese- en ELISA toets metodes vir die in-proses kwaliteitkontrole.
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Hamad, Maitham. "Determination of Shrinkage Crack Risks in Industrial Concrete Floors through Analyzing Material tests." Thesis, KTH, Bro- och stålbyggnad, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-103081.
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The industrial concrete floor is a very important part of an industrial building, distribution center, storage or shopping mall, and it must have high quality surfaces for operation. To achieve the high quality we must know the problems and how to treat them. The most important problems on the concrete floors are: (i) cracks which are caused by shrinkage and creep, (ii) curling resulting in a loss of contact between concrete slab and sub-base, and (iii) unevenness In this thesis, it is aimed to investigate the effect of optimizing the concrete mix with and without additional shrinkage reducing agents (SRA) to reduce the crack risk in industrial concrete floors. Four types of concrete recipes are used (A-D) which include a recipe with optimized mix design for minimum shrinkage, a reference recipe (standard mix), an optimized mix with SRA and a fourth recipe with the reference plus SRA. The testing program extended to 224 days of age and comprised e.g. free-shrinkage, restrained shrinkage, weight change, modulus of elasticity, compressive strength, splitting tensile strength and creep of concrete. At early ages, a 28 days, there are large differences in shrinkage-time relations for different mixes. Later than 28 days, the relations are closer. A comparison among shrinkage and creep test results of four recipes shows that recipes A and C have greater crack risk than recipes B and D. The recipe D has also the best result in restrained shrinkage test. These results are because of the aggrega-te graduation, type of cement and shrinkage reducing agents which all have a direct influence on the concrete properties. These tests were done by CBI (The Swedish Cement and Concrete Research Institute) during 2009.
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Wilson, Scott B. "Computer assisted instruction : a comparison of hands-on and computer-simulated laboratory experiences for post-secondary students /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3025665.
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Chasey, Michael Lawrence. "Laboratory and Field Investigations to Determine the Chemical Factors Affecting Zinc and Iron Transport at an Industrial Waste Facility." W&M ScholarWorks, 1996. https://scholarworks.wm.edu/etd/1539272207.
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Rankin, Riaan. "Optimization of the in-line sanitary water heating system for demand side management in the South African commercial and industrial sectors / by Riaan Rankin." Thesis, North-West University, 2005. http://hdl.handle.net/10394/1423.
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Sanchez, Rudolph Joseph. "The Role of Trust, Leader-Member Exchange, and Organizational Justice in Employee Attitudes and Behaviors: A Laboratory and Field Investigation." PDXScholar, 2002. https://pdxscholar.library.pdx.edu/open_access_etds/3728.
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The study of interpersonal relationships continues to be a major focus of theory and research in a wide array of disciplines. The present research examined one of the most prevalent and significant interpersonal relationships in the workplace context—the dyadic relationship between a supervisor and a subordinate. This research examined the relationships between trust, quality of the leader-member exchange relationship (LMX; a measure of the quality of the dyadic relationship), perceived organizational justice, and several employee attitudes and behaviors that are important to individual workers and the organizations in which they work.
Data were collected in both laboratory and field settings. The laboratory setting allowed for the manipulation of organizational justice, which permitted inferences regarding the causal effects of organizational justice on the relationships between trust and LMX and the outcome variables examined. The field setting allowed for the testing of the hypothesized relationships in a “real world” environment in which external contextual factors (e.g., industry and organizational differences) were naturally controlled.
Two-hundred and twenty-three currently employed undergraduate students participated in the laboratory study. In the field study, data were collected in a Fortune 500 company from 113 subordinates and their supervisors. Results from both studies indicated that perceptions of trust in one's supervisor were strongly related to LMX. Importantly, in the field study, quality of the dyadic relationship was modeled as an emergent property of the perceptions of both subordinates and supervisors. Perceptions of LMX were related to a sense of overall fairness, which was jointly determined by procedural and distributive justice. Perceptions of overall fairness were related to job satisfaction, intention to quit, organizational commitment, in-role job performance, organizational citizenship behavior, and organizational retaliatory behaviors. Additionally, results of the laboratory study indicated that established perceptions of trust in one's supervisor and LMX were adversely affected by violations of either procedural or distributive justice. This adverse effect was greatest when both procedural and distributive justice were low. The theoretical and practical implications of the research are discussed.
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Santander, Mercado Alcides Ricardo. "Identification of Patient Recovery Patterns after Cardiovascular Surgery Based on Laboratory Tests Results." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3332.
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In this dissertation is proposed a methodology to identify patient's recovery patterns after cardiovascular surgery based on laboratory tests results. The main purpose is to enhance the understanding of the manifestations of postsurgical complications in patients who underwent cardiovascular surgery. The analysis of patients' recovery process is based on the relationship between plasma calcium, ionized calcium and platelet count over time.
Laboratory results from the James A. Haley Veterans' Hospital databases, related to patients admitted to the Surgical Intensive Care Unit (SICU) after cardiac surgery (coronary artery bypass, aortic value replacement and mitral valve replacement), are used. These databases contain information regarding commonly ordered tests such as Complete Blood Count tests (CBC) and Basic Metabolic Panel (BMP) for a large group of patients over time. Physicians usually order these tests as a component of screening, routine evaluation, or serial assessment. These test results, contain a large amount of information used by most physicians during the diagnosis process and patient monitoring.
This study creates time series of some components of the aforementioned tests to analyze their behavior during the perioperative and postoperative period. Time series based clusters are developed to determine the similarities among tests results from four different types of patients: patients who had a satisfactory recovery process without any manifestation of complications, patients who experienced complications but survived,
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patients who experienced complications and then died during their recovery and patients who died during the perioperative period. As a conclusion, the time series based clustering techniques were able to identify whether a patient is likely to fully recover from the surgery, but it does not have the power to detect effectively results corresponding to a patient experiencing complications.
The development of this methodology provides statistical evidence of the differences among different patterns on patient recovery. It is clear that patients experiencing complications have a steeper drop of test results after surgery, and also a non-stable trend towards normal levels. The appropriate use of the proposed methodology could help to timely anticipate complications in patient condition, improve the comprehensiveness of the assessment of patient condition based on laboratory test results and enhance the utilization of laboratory results databases.
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Gantz, Faith. "Processing, Pre-Aging, and Aging of NiTi-Hf (15-20 at%) High Temperature Shape Memory Alloy from Laboratory to Industrial Scale." Thesis, University of North Texas, 2020. https://digital.library.unt.edu/ark:/67531/metadc1752389/.
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The overarching goal of this research was to generate a menu of shape memory alloys (SMAs) actuator materials capable of meeting the demands of aerospace applications. Material requirements were recognized to meet the demand for high temperature SMAs with actuating temperatures above 85 °C and provide material options capable of performing over 100K actuation cycles. The first study is a preliminary characterization for the down selection of Ni-rich NiTiHf15 compositions chosen for a more in-depth examination of the nano-precipitation and evolution of the H-phase. To make this selection, the effect of Ni content in Ni-rich NiTiHf high temperature shape memory alloys (HTSMAs) on processability, microstructure, and hardness was analyzed for three compositions (Ni50.1TiHf15, Ni50.3TiHf15, Ni50.5TiHf15). Each composition was characterized under three conditions: homogenized, 25%, and 50% thickness reduction through hot-rolling. The second study emphasized the processing and aging response of an industrially produced, hot-extruded Ni50.3Ti29.7Hf20 (at%) HTSMA. The samples were sectioned into two halves with half remaining as-extruded and the other half hot-rolled to a 25% reduction in thickness. A portion of both conditions underwent conventional aging for 3 hours at various temperatures ranging from 450-750 °C, and the other portion was pre-aged for 12 hours at 300 °C followed by conventional aging treatments. After processing, the samples were characterized by differential scanning calorimetry (DSC), Vickers hardness (HV) testing, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and synchrotron radiation X-ray diffraction (SR-XRD). The relationship between the introduction of texturing, pre-aging, and aging on Ni-rich and high Hf-content compositions was investigated.
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James, Jonathan Peter. "Field and laboratory analyses of manual tasks in the South African automotive industry." Thesis, Rhodes University, 2007. http://hdl.handle.net/10962/d1005199.
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The present study adopted a “field-laboratory-field” approach in the assessment of the efficacy of ergonomics interventions specific to two selected tasks evaluated in a South African automotive industry. Initial field testing was conducted in an Eastern Cape (South Africa) automotive plant where high risk areas were identified during walkthrough ergonomics surveys in conjunction with interaction with operators. Temporal factors and working postures of 12 industrial workers were recorded and observed, while physiological and perceptual responses were assessed. Two priority areas were focused upon for analysis, namely the Paintshop and Bodyshop with the former identified as being the more taxing of the two tasks. Responses of 30 students participating in rigourously controlled laboratory simulations were subsequently collected while completing the two tasks, namely the Paintshop Trolley Transfer (PTT) and Car Door Carriage (CDC) for participants. Working postures, kinematic, physiological and perceptual responses were assessed pre- and post-intervention. Following the laboratory experimentation a basic re-evaluation was conducted at the plant to assess whether the proposed changes had a positive effect on working postures, physiological and perceptual responses. The results of the preliminary field investigation revealed a prevalence of awkward working postures and excessive manual work in both areas. Laboratory experimentation revealed a notable reduction in task demands pre- versus post-intervention. The PTT mean lean angle for two-handed pre-intervention pulling observations of 23.7° (±3.51) was reduced to 13.9° (±2.21) post-intervention. Low back disorder (LBD) risk was reduced during the two-handed pull intervention (from 36.8% ±8.03 to 21.7% ±5.31). A significant decrement in heart rate responses from 103 bt.min-1 (±11.62) to 93 bt.min[superscript -1] (±11.77) was recorded during the two-handed symmetrical pushing intervention. The electromyography (EMG) responses for one-handed pushing and pulling pre-intervention showed the highest levels of muscular activity in the right medial deltoid due to an awkward and asymmetrical posture. CDC responses demonstrated that minor changes in the storage height of the door resulted in a significant reduction in sagittal flexion from 28.0° (±4.78) to 20.7° (±5.65). Predictions of average probability of LBD risk were significantly reduced from 50.3% (±5.91) to 39.8% (±5.10) for post-intervention car door lifting. In addition, the greatest reduction in EMG activity as a %MVC was achieved during sub-task ii (reduced from 35.1 to 13.7% and 30.5 to 13.9% for left and right erector spinae respectively) which was associated with the introduction of the transfer trolley for the door transfer phase of the CDC. Re-evaluation in the automotive plant revealed that the most notable change has been the implementation of automated ride on trolleys in the Paintshop. The Bodyshop area has also been modified to allow more effective job rotation and the step into the storage bin has been reduced via a “low-cost” stepping platform. Mean heart rate recordings were reduced from 94 (±9.77) bt.min[superscript -1] to 81 (±3.72) bt.min[superscript -1] in the Paintshop. Overall the results demonstrate the effect of “low-cost” interventions in reducing the physical stresses placed on workers in the automotive industry where much of the work is still done manually.
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Pithan, David M. [Verfasser]. "The Discursive Legitimation of New Ideas. Emergence and Diffusion of the Industrial Research Laboratory in the United States, 1870-1930. / David M. Pithan." Wuppertal : Universitätsbibliothek Wuppertal, 2019. http://d-nb.info/1196220735/34.
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Stang, Johann-Christoph [Verfasser], Bernd [Akademischer Betreuer] Rech, Stefan [Gutachter] Glunz, and García Isidro [Gutachter] Martín. "Interdigitated back contact silicon heterojunction solar cells : from the laboratory to industrial processes / Johann-Christoph Stang ; Gutachter: Stefan Glunz, Isidro Martín García ; Betreuer: Bernd Rech." Berlin : Technische Universität Berlin, 2018. http://d-nb.info/1168722217/34.
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Perini, Fabiana Oliveira. "Elaboração e aplicação de uma ferramenta de avaliação de estruturas físicas, leiaute e materiais de construção utilizados em cozinhas industriais com impacto na segurança de alimentos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/179247.
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Este estudo teve como objetivo o desenvolvimento de uma ferramenta para avaliar estruturas físicas, leiaute e materiais de construção de cozinhas industriais. Na primeira etapa do trabalho, diversas legislações sanitárias e documentos técnicos foram avaliados, a fim de identificar itens pertinentes à construção da ferramenta. Com base nisso, foram elaboradas 196 perguntas, divididas em 24 itens, as quais compuseram a ferramenta de avaliação de estruturas (check-list). O check-list foi encaminhado para especialistas da área de segurança de alimentos, para que estes verificassem a adequação das perguntas e conferissem pesos para cada uma delas, conforme a possibilidade na contaminação e o impacto na segurança dos alimentos. O peso 1 (um) foi atribuído aos itens da estrutura física das cozinhas, que poderiam causar impacto na segurança de alimentos, porém que dificilmente resultariam em contaminação dos alimentos ou causariam surtos alimentares, como, por exemplo, as áreas externas, portas externas e fechamento automático de portas de sanitários. O peso 2 (dois) foi atribuído às perguntas sobre a estrutura física da cozinha que poderiam causar contaminação indireta nos alimentos, exemplos: portas internas ajustadas aos pisos e batentes, caixas de gordura e de esgoto compatíveis ao volume de resíduos, entre outros. O peso 4 (quatro) foi atribuído às questões sobre a estrutura física das cozinhas que poderiam causar contaminação direta aos alimentos, como, por exemplo, estrutura dos telhados e tetos, áreas de produção com fluxo linear, entre outras Após a revisão do check-list, foram retiradas as perguntas que não foram consideradas pertinentes ao setor de alimentação e então foi calculado um peso médio para cada pergunta, tendo como base os pesos atribuídos por cada avaliador. A versão final do check-list resultou em 23 itens, compostos por 126 perguntas. Na segunda etapa do trabalho, foi realizada a utilização prática do check-list com o objetivo de testar a aplicação da ferramenta de avaliação e identificar os problemas mais frequentes na construção civil de cozinhas industriais. Para tanto, as cozinhas industriais existentes na região metropolitana de Porto Alegre/RS (RMPA) foram consideradas e identificadas como o universo da pesquisa, possibilitando a visita a um número significativo de cozinhas industriais. O número de cozinhas identificado na RMPA foi de 248 unidades, das quais 52 foram visitadas. Para avaliar cada unidade visitada com relação à adequação sanitária de suas instalações, foi elaborado o Índice Sanitário de Edificações (ISE). O ISE é uma média harmônica ponderada dos itens aplicáveis, a qual leva em consideração os pesos conferidos a cada pergunta e se o item foi conforme ou não. As respostas do check-list foram analisadas no Microsoft Excel 2010 e a análise estatística foi realizada no programa IBM® SPSS® STATISTICS versão 18.0, adotando o nível de significância de 5% As principais não conformidades observadas foram infiltrações, goteiras, tubulações sem capacidade para vazão adequada, pias e sifões entupidos, pouca quantidade de ralos, caimento dos pisos, caixa de gordura, pouca luminosidade, ventilação e conforto térmico. Do total de unidades avaliadas, 1 (2%) apresentou índice de adequação excelente, 14 (27%) índice de adequação bom, 32 (61%) índice de adequação médio e 5 (10%) índice de adequação ruim. Além do índice de adequação ao check-list, foi calculado um índice de adequação aos itens requeridos por legislação. O volume de empresas que apresentaram índices entre os níveis de adequação excelente e bom aumentou quando comparado ao índice de adequação ao chek-list, passando para 4 (8%) com índice excelente, 27 (51%) com índice bom, 20 (39%) com índice médio e 1 (2%) com índice ruim. Os resultados indicam que as cozinhas industriais apresentaram inadequações em suas instalações, já que em sua maioria apresentaram índices medianos ou inferiores de adequação aos itens da legislação e ao ISE. Cozinhas com estas falhas nas instalações podem ter prejudicadas suas condições higiênico- sanitárias do processo, trazendo riscos potenciais para a produção de alimentos. Com a identificação dos problemas nas edificações e leiutes, pôde- se indicar soluções para contribuir na gestão de segurança dos alimentos em serviços de alimentação, prevenindo a contaminação de alimentos.This study aimed to develop a tool to evaluate physical structures, layout and materials of industrial kitchens. In the first stage of the work, several sanitary legislations and technical documents were evaluated in order to identify items pertinent to the construction of the tool. Based on this, check-list tool were elaborated containing196 questions, divided into 24 items. The checklist was assessed to food safety experts to verify the appropriateness of the questions and to check weights for each one, depending on the possibility of contamination and impact on food safety. Weight 1 (one) was attributed to the items in the kitchen's physical structure, which could impact on food safety, but would hardly result in contamination of food or food outbreaks, such as external areas, external doors and automatic door closing of toilets. Weight 2 (two) was attributed to the questions about the physical structure of the kitchen that could cause indirect contamination in the food, some examples: internal doors adjusted to the floors and stops, fat and sewage boxes compatible with the volume of waste. Weight 4 (four) was attributed to questions about the physical structure of the kitchen that could cause direct contamination of food, such as the structure of roofs and ceilings, production areas with linear flow. After reviewing the checklist, the questions that were not considered pertinent to the food sector were removed, and then an average weight was calculated for each question, based on the weights assigned by each evaluator The final version of the checklist resulted in 23 items consisting of 126 questions. In the second stage of the work, the practical check-list was used, with the objective of testing the application of the evaluation tool and identifying the most frequent problems in the civil construction of industrial kitchens. To this end, the industrial kitchens in the metropolitan area of Porto Alegre / RS (RMPA) were considered and identified as the research universe, allowing the visit of a significant number of industrial kitchens. The number of kitchens identified in the RMPA was 248 units, of which 52 were visited. To evaluate each unit visited in relation to the sanitary adequacy of its facilities, the Sanitary Building Index (ISE) was elaborated. The ISE is a weighted harmonic mean of the applicable items, which takes into account the weights given to each question and whether or not the item was compliant. The checklist responses were analyzed in Microsoft Excel 2010 and statistical analyzes were performed using the IBM® SPSS® STATISTICS version 18.0 program, adopting the 5% significance level. The main nonconformities observed were infiltrations, gutters, pipes with no adequate flow capacity, clogged sinks and siphons, few drains, floor trim, grease box, low luminosity, ventilation and thermal comfort Of the total number of units evaluated, 1 (2%) presented an excellent suitability index, 14 (27%) were adequately matched, 32 (61%) were adequately matched, and 5 were considered adequately matched. In addition to the index of adequacy to the checklist, an index of adequacy to the items required by legislation was calculated. The volume of companies that presented excellent and good levels of adequacy increased when compared to the index of adequacy to the former chek-list, passing to 4 (8%) with excellent index, 27 (51%) with good index, 20 (39 %) with average index and 1 (2%) with poor index. The results indicate that the industrial kitchens presented inadequacies in their facilities, since in their majority they presented medium or inferior indexes of adequacy to the items of the legislation and the ISE. Kitchens with these facility failures may have impaired their hygienic-sanitary conditions of the process, bringing potential risks to food production. With the identification of problems in buildings and law, it was possible to indicate solutions to contribute to the management of food safety in food services, preventing the contamination of food.
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Voshell, Martin G. "Planning Support for Running Large Scale Exercises as Learning Laboratories." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1238162734.
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Oliveira, Hércules Antonio de. "Avaliação do processo de tratamento biológico de águas residuárias sanitária e industrial em sistema combinado com reator biológico de contato seguido de filtro aerado submerso." Universidade Federal de São Carlos, 2010. https://repositorio.ufscar.br/handle/ufscar/3884.
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Previous issue date: 2010-02-22This study presents the operational results of a pilot wastewater treatment plant. The assays were carried out in two phases: Phase 1 involved the operation of a rotating biological contactor (RBC), while Phase 2 involved a combined system operation of a submerged aerated biofilter (SAB) downstream from the RBC. The RBC and SAB units were assayed in the treatment of sanitary sewage. The average feeding rate was 82.9 L.h-1 and the active sludge recirculation rate when operated only with the RBC was 60% of the former. Despite being a rotating reactor, the RBC under investigation did not have biodiscs because it was used as a microbial bed, consisting of corrugated high-density polyethylene (HDPE) tubes fixed on a metal structure in the shape of a rotating reel submerged in the aeration cell at about 90% of its diameter, providing subtracting contact between tubes a 41-m2 surface area for biofilm fixation. On the other hand, the SAB, which was comprised of corrugated HDPE rings that provided a 55-m2 contact area, was employed to polish the RBC effluent only in Phase 2 when sludge recycling was interrupted at the beginning of the process. This operation, which is typical of activated sludge systems, was carried out in Phase 1 (211 days). Substrate characterization showed maximum chemical oxygen demand (COD) concentrations of 3820.8 mgL-1 (average of 1004.5 mgL-1), an indication of contamination by liquid industrial effluents. In the first stage of testing (with the RBC), the treated effluent after secondary sedimentation tank were achieved in this study, biochemical oxygen demand (BOD) removal averages of 71.3% and the COD removals of 79.6%, respectively. Among the forms of nitrogen analysis, the concentration of organic nitrogen showed the greatest reductions reaching an average maximum of 51.2% and 91.5%. In the second stage of tests (RBC followed by SAB) efficiency BOD removal achieved was 78.2%, while the COD efficiency removal was 71.6%. The removal of volatile suspended solids after BAS achieved 39.2%, whereas RBC achieved volatile suspended solids removal of 65.3%. The pilot plant also showed that the concentration of SAB in the downstream of RBC minimized the variations in concentrations of all measured parameters, related to partially or fully treated wastewater, bringing benefits not linked to removal of carbonaceous organic matter.
Este estudo apresenta os resultados da operação de uma planta piloto de tratamento biológico para águas residuárias, em testes realizados em duas fases de estudo, sendo a primeira relacionada com a operação de um reator biológico de contato (RBC) e a segunda com a operação em sistema combinado, com um biofiltro aerado submerso (BAS) à jusante do RBC. As unidades RBC e BAS foram ensaiadas no tratamento de esgoto sanitário. A vazão média de alimentação foi de 82,9 Lh-1, e vazão de recirculação de lodo ativo quando se operou somente com o RBC, fixada em cerca de 60 % dessa vazão. O RBC utilizado, apesar de rotativo, não possuía biodiscos, pois foram utilizados como leito microbiano, tubos corrugados de polietileno de alta densidade (PEAD), fixados em uma estrutura metálica com a forma de um carretel rotativo, que foi submerso na célula de aeração em aproximadamente 90 % de seu diâmetro, enquanto que o BAS, montado com anéis corrugados, de PEAD, foi utilizado como polimento do efluente do RBC somente no segundo estágio dos ensaios. A caracterização do substrato, mostrou valores de concentração da demanda química de oxigênio (DQO), máxima de 3820,8 mgL-1 (média de 1004,5 mgL-1), denotando contaminação com efluentes líquidos industriais. No primeiro estágio dos ensaios (apenas com o RBC), o efluente tratado após o decantador secundário foram alcançadas neste estudo, remoções médias de DBO de 71,3%, e remoções de DQO de 79,6 %. Dentre as formas de nitrogênio analisadas, a concentração de nitrogênio orgânico apresentou as maiores reduções atingindo média de 51,2% e máxima 91,5%. No segundo estágio dos ensaios (RBC seguido de BAS) a eficiência alcançada de DBO foi de 78,2%, enquanto a eficiência de remoção de DQO foi de 71,6%. O BAS degradou 39,2 % dos sólidos suspensos voláteis que saíram da câmara com o RBC, enquanto o RBC degradou 65,3 % dos sólidos suspensos voláteis da entrada. A planta piloto apresentou também que a operação do BAS à jusante do RBC minimizou as variações das concentrações de todos os parâmetros analisados, relacionados ao efluente parcialmente ou totalmente tratado, não trazendo benefícios ligados a remoção de matéria orgânica carbonácea. Este estudo apresenta os resultados da operação de uma planta piloto de tratamento biológico para águas residuárias, em testes realizados em duas fases de estudo, sendo a primeira relacionada com a operação de um reator biológico de contato (RBC) e a segunda com a operação em sistema combinado, com um biofiltro aerado submerso (BAS) à jusante do RBC. As unidades RBC e BAS foram ensaiadas no tratamento de esgoto sanitário. A vazão média de alimentação foi de 82,9 Lh-1, e vazão de recirculação de lodo ativo quando se operou somente com o RBC, fixada em cerca de 60 % dessa vazão. O RBC utilizado, apesar de rotativo, não possuía biodiscos, pois foram utilizados como leito microbiano, tubos corrugados de polietileno de alta densidade (PEAD), fixados em uma estrutura metálica com a forma de um carretel rotativo, que foi submerso na célula de aeração em aproximadamente 90 % de seu diâmetro, enquanto que o BAS, montado com anéis corrugados, de PEAD, foi utilizado como polimento do efluente do RBC somente no segundo estágio dos ensaios. A caracterização do substrato, mostrou valores de concentração da demanda química de oxigênio (DQO), máxima de 3820,8 mgL-1 (média de 1004,5 mgL-1), denotando contaminação com efluentes líquidos industriais. No primeiro estágio dos ensaios (apenas com o RBC), o efluente tratado após o decantador secundário foram alcançadas neste estudo, remoções médias de DBO de 71,3%, e remoções de DQO de 79,6 %. Dentre as formas de nitrogênio analisadas, a concentração de nitrogênio orgânico apresentou as maiores reduções atingindo média de 51,2% e máxima 91,5%. No segundo estágio dos ensaios (RBC seguido de BAS) a eficiência alcançada de DBO foi de 78,2%, enquanto a eficiência de remoção de DQO foi de 71,6%. O BAS degradou 39,2 % dos sólidos suspensos voláteis que saíram da câmara com o RBC, enquanto o RBC degradou 65,3 % dos sólidos suspensos voláteis da entrada. A planta piloto apresentou também que a operação do BAS à jusante do RBC minimizou as variações das concentrações de todos os parâmetros analisados, relacionados ao efluente parcialmente ou totalmente tratado, não trazendo benefícios ligados a remoção de matéria orgânica carbonácea.
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Fatollahzadeh, Kianoush. "A laboratory vehicle mock-up research work on truck driver’s selected seat position and posture : A mathematical model approach with respect to anthropometry, body landmark locations and discomfort." Doctoral thesis, KTH, Industriell ekonomi och organisation (Inst.), 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4028.
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Professional truck drivers are highly exposed to fatigue and work related injuries. Truck drivers are common victims of musculoskeletal disorders, frequently suffering from pain symptoms particularly in the neck, shoulder and lower back. This situation is believed to be a contributor to the high absenteeism in this job category. A high percentage of this problem is due to the adoption of an unhealthy driving posture resulting from inappropriate seat design. This incorrect and poor design is owing to the insufficient and obsolete anthropometrical data which has been used for decades for arranging and positioning components in the driver environment. The main objective of the present study was to create and construct a mathematical model which clarifies and predicts the drivers’ comfortable sitting posture and position. It was hypothesized that the length and height characteristics of some body segments as well as the body weight and waist circumference of the driver have a great impact on the selection of a specific sitting posture. The steering wheel positions as well as the pedal/floor locations were hypothesized to be highly correlated to the driver’s selected posture and the corresponding comfort. The effect of the seat position on posture selection and related comfort assessments constituted the other hypothesis of the study which received extra attention. A laboratory experiment on a Scania truck cab mock-up was conducted. The seat track travel along a vertical as well as horizontal forward-backward path was obtained by mounting the seat on the motorized rigid frame which allowed unrestricted vertical and fore-aft travel. The seat cushion angle and backrest angle were adjusted by pivoting the entire seat and backrest around a lateral axis and independently. The pedal components were mounted on a motorized platform, thus allowing unrestricted fore-aft and height travel without any changes in the pedal angles. The steering wheel was mounted on the instrument panel by two independent pneumatic axes which allowed a wide range of adjustments including tilting and moving along the sagittal plane for adjusting the height and distance. The test plan called for 55 international highly experienced heavy truck drivers. The drivers were recruited to span a large range of body weight and stature, in particular to ensure adequate representation of both the extreme as well as the normal group of drivers. The drivers filled in a general information questionnaire before undergoing the anthropometrical measurements and thereafter the test trials. The experiment contained a subset of test conditions with five different trials using random selection sampling procedure. Drivers were asked to adjust the components in a wide range of trajectory according to a written protocol. A sparse set of threedimensional body landmark locations and the corresponding comfort assessments were recorded. As the main part of the result, the mathematical models using multiple regression analyses on selected body landmarks as well as anthropometrical measures were developed which proposed a linear correlation between parameters. The differences between the observed data and the corresponding predicted data using the model were found to be minimal and almost dispensable. Additionally, the drivers preferred to sit in the rearmost position and at a rather high level relative to the rest of the available and adjustable area. Considering the normal adjustable seat area of the cab, only a very small part of the observed Hpoint data lies within this area while a large remaining amount of data lies outside of it. Moreover, the difference between the observation (plotted H-point data) and the neutral H-point was found to be significant. Furthermore, and since some of the data lies almost on the border of the adjustable area, it may indicate a reasonable tendency for even more seat adjustment in the backward direction. A conceptual model consisting of four different parameters was developed and presented in the end. These parameters of the model suggest being as key factors which play a central role on process of decision making regarding the selection of a desirable sitting posture. Any eventual modifications and adjustments for elimination or minimizing discrepancies, biases or obscured factors affecting the quality of the mathematical model would be a case for future study. The investigation of a complete assessment of comfort should be supplemented with an analysis of how many truck drivers are satisfied with the comfort in the end.QC 20100824
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Šmoldas, Michal. "CIP Safety." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377037.
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This master´s thesis deals with the analysis of CIP technology and the creation of laboratory tasks from components based on this technology. The aim of the thesis is to create a literary research on CIP technology and its individual extensions focusing on CIP Safety. Further, a functional laboratory panel is assembled from the available components in the FEKT VUT Brno laboratory supporting this technology CIP Safety, specifying the assignment of the laboratory task. Functionality of the panel has been verified by the SW solution of the laboratory task with visualization and control of the virtual production line. The result of the work is literary research on CIP technology, functional laboratory panel, specification of assignment of laboratory task and SW solution of task with visualization and control of virtual production line.
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Werle, Catierine Hirsch. "Avaliação das condições higiênico-sanitárias da alimentação servida às crianças em escolas do município de São José do Rio Preto - SP /." São José do Rio Preto : [s.n.], 2011. http://hdl.handle.net/11449/88407.
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Orientador: Fernando Leite HoffmannBanca: Margarete Teresa Gottardo de Almeida
Banca: Maria Luiza Silva Fazio
Resumo: Os alimentos são passiveis de contaminação por diferentes agentes etiológicos que podem levar ao desenvolvimento de doenças afetando a saúde humana desencadeada por microrganismos patogênicos ou suas toxinas. O objetivo deste trabalho foi avaliar a merenda servida ás crianças, e as condições de preparo desta, através da análise microbiológica dos principais micro-organismos envolvidos em doenças transmitidas por alimentos.Este trabalho analisou 78 amostras de diferentes tipos de alimento servido para as crianças em 3 escolas do ensino infantil da cidade de São José do Rio Preto, 21 amostras de água utilizada no preparo da merenda e 29 amostras de Swab das mãos dos manipuladores. Avaliou-se a merenda foram quanto a presença de Salmonella spp., Escherichia coli, determinação do número mais provável de coliformes totais e termotolerantes, contagem de Bacillus cereus, Clostridios sulfito redutores, Staphylococcus coagulase positiva e bolores e leveduras. As amostras de água foram avaliadas quanto a contagem total de bactérias heterotróficas, coliformes totais, termotolerantes e pesquisa de E.coli. Investigou-se coliformes totais, termotolerantes, pesquisa de E.coli, contagem de Staphylococcus coagulase positiva e bolores e leveduras nas amostras de swab. Quando presentes cepas de E. coli e S. aureus foi realizado teste de sensibilidade a antimicrobianos. Para avaliação das condições de preparo da merenda realizou-se um check list nas cozinhas das escolas. 100% das amostras estavam de acordo com a legislação na contagem de Bacillus cereus, Clostridios sulfito redutores e pesquisa de Salmonella spp. 7,7% das amostras apresentaram contagens iguais ou superiores a 1100 NMP para coliformes totais, 1,3% não atendiam aos padrões estabelecidos para coliformes termotolerantes, em 6,4% das amostras foi detectado a presença de E.coli 1.3% apresentou... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Foods are susceptible to contamination from different etiologic agents which can lead to the development of illnesses affecting human health triggered by pathogenic microorganisms or their toxins. The objective of the study is to evaluate the conditions in which the school meals are served to the children through a microbiological analysis of the principal food-related pathogens. This work analyzed 78 samples of different types of food served to children from 3 infant schools in the city of São José do Rio Preto, 21 water samples used in the preparation of school meals and 29 swab samples from the hands of the food handlers. The food samples were analyzed for the presence of Salmonella spp., Escherichia coli, the most probable number (MPN) of total and thermotolerant coliforms, the amount of Bacillus cereus, sulphite-reducing Clostridium, coagulase-positive Staphylococcus, mould and yeast. The water samples were tested for the total heterotrophic bacteria, total coliforms, thermotolerants, and traces of E. coli. The swab samples were analysed for total coliforms, thermotolerants, traces of E. coli, the amount of coagulase-positive Staphylococcus, mould and yeast. The strains of E. coli and S. aureus found were subjected to antimicrobial susceptibility testing. To evaluation of conditions of preparation of the meal took place a check list in school kitchens. 100% of the samples were in accordance with the legislation for the amount of Bacillus cereus, sulphite-reducing Clostridium and traces of Salmonella spp. 7.7% of the samples presented results equal to or above 1100 MPN for total coliforms while 1.3% did not comply with the standards established for thermotolerant coliforms. In 6.4% of the samples the presence of E. coli was detected; 1.3% presented results higher than 10 3 colony-forming units (CFU) for coagulase-positive Staphylococcus and 6.4% of the samples presented... (Complete abstract click electronic access below)
Mestre
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Wright, Louis Gerhard. "Connectivity : an urban laundry in the Pretoria CBD." Diss., Pretoria :[s.n.], 2008. http://upetd.up.ac.za/thesis/available/etd-07302008-122514.
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