Academic literature on the topic 'Operative parameters'

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Journal articles on the topic "Operative parameters"

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Kerekes, Attila, and András Zöld. "Consideration of Operative Temperature in Design and Operation." Applied Mechanics and Materials 861 (December 2016): 438–45. http://dx.doi.org/10.4028/www.scientific.net/amm.861.438.

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In order to provide appropriate thermal conditions current national regulations prescribe operative temperature as the base of design and operation. In simplified calculation procedure prescribed operative temperature can be provided using a corrected air temperature. Interrelation of operative and indoor air temperature has been investigated in function of overall heat loss coefficient and glazed ratio. Based on regression analysis necessary corrections in function of the above parameters are investigated, the consequences of neglected Mean Radiant Temperature are analysed. Operative temperature represents a control problem, too: disregarding the sensor itself its position in the room, the uneven distribution of radiant field in one room and in the rooms of a flat requires compromises. The possible solutions, their pros and cons are presented.
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Chaitanya, Burra Viswa, Tridip Dutta Baruah, Alok Mohanty, and Ajay Gujar. "Pre-Operative Parameters for Predicting Difficult Laparoscopic Cholecystectomy." International Journal of Contemporary Surgery 6, no. 2 (2018): 49. http://dx.doi.org/10.5958/2321-1024.2018.00033.8.

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Bergan, T. "Introduction: Parameters for Prevention of Post-Operative Infections." Journal of Chemotherapy 13, sup4 (January 2001): 5. http://dx.doi.org/10.1179/joc.2001.13.supplement-2.5.

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Maharjan, Leison, Aditya Singhal, and Rajendra P. S. Guragain. "Effectiveness of Audit and Feedback in Improving the Quality of Operative Notes - A Retrospective Observational Study." Journal of Institute of Medicine Nepal 41, no. 1 (April 30, 2019): 75–78. http://dx.doi.org/10.3126/jiom.v41i1.28604.

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Introduction: Surgeons must maintain detailed and accurate operative notes as it is important not only for safe patient care but also for research, audit and medicolegal purposes. But literature has shown that many operative notes are incomplete and illegible. Audit and feedback is a useful strategy to improve such practices which our department has been following. Our aim is to study its effectiveness by comparing the quality of operative notes of 2016 with that of 2014. Methods: Total 96 operative notes, 48 each of the year 2014 and 2016 were studied under 22 parameters including 18 suggested by “Good Surgical Practice” guideline. Each operative notes was analyzed by a single observer for completeness. Parameters of the operative notes of two different years were compared and given the status of either improved, deteriorated or unchanged. Results: Only parameters related to patient identification, date, surgeon’s fullname, postoperative plan were complete in both the years. In comparison to earlier year, in 2016 improvement was seen in parameters such as postoperative diagnosis, details of tissue removed, authors details, closure details, operation time and operative difficulties/ complications and deterioration was seen in hospital number, preoperative diagnosis, procedure, fullname of anesthetist, fullname of scrub nurse, operative findings and signature of the surgeon. Conclusion: Improvement in the quality of the operative notes was not adequate with audit and feedback strategy alone. Hence to increase the effectiveness, other methods such as computerized operative notes and aide-memoire should also be introduced.
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Leo Samuel, D. G., S. M. Shiva Nagendra, and M. P. Maiya. "An analysis of operating parameters in the cooling tower-based thermally activated building system." Indoor and Built Environment 27, no. 9 (May 10, 2017): 1175–86. http://dx.doi.org/10.1177/1420326x17704276.

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Thermally activated building system is not only energy efficient but also provides better thermal comfort compared to the conventional cooling systems. In this paper, COMSOL Multiphysics, a computational fluid dynamics tool, is used to simulate the performance of a cooling tower coupled with thermally activated building system for the hot and dry summer climatic conditions of New Delhi. The effects of three operating parameters, namely, temperature and inlet velocity of water and the number of cooling surfaces (area), on the performance of the system have been investigated. The results indicate that increasing the water inlet temperature from wet bulb temperature (WBT) to WBT + 6℃ would increase the operative temperature of the indoor space, a thermal comfort index, by 2℃. The increase in water inlet velocity from 0.2 to 1 m/s would decrease the diurnal average of operative temperature by 1.4℃. If only the roof was cooled, the diurnal average of operative temperature was 36.7℃. The diurnal average of operative temperature was reduced by 5.7℃ if all the building fabrics were cooled. In this case, with pipes connected in series from the floor first to walls and then to roof resulted in 2.9℃ lower operative temperature compared to that in the reverse sequence. Hence, the sequence in which the fabrics are cooled would have an appreciable influence on the performance of thermally activated building system.
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Niitsu, Yorikazu, Kaoru Ishida, Keiko Kimura, Kazumi Okamoto, Koji Murakami, Masanori Terashima, Nobuhiro Sato, et al. "Changes of Immunological Parameters after Esophageal Cancer Operation According to Post-operative Adjuvant Therapy." Japanese Journal of Gastroenterological Surgery 25, no. 8 (1992): 2069–75. http://dx.doi.org/10.5833/jjgs.25.2069.

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S., Anuja B., Elsa Sanatombi Devi, Leena Sequira, Lavanya Rao, and Vijaya Pai H. "EFFECTIVENESS OF INTRA OPERATIVE HAND HOLDING ON ANXIETY AND PHYSIOLOGICAL PARAMETERS AMONG PATIENTS UNDERGOING CATARACT SURGERY." Journal of Health and Allied Sciences NU 04, no. 02 (June 2014): 027–33. http://dx.doi.org/10.1055/s-0040-1703760.

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Abstract: Introduction: Patients who are undergoing cataract surgery under local anaesthesia may be more stressed than those having general anaesthesia as they are awake during the surgical procedure. Therefore, psychological comfort in the preoperative phase and compliance during operation are very important for postoperative prognosis. This study explored the pre operative anxiety level of patients undergoing cataract surgery and the effectiveness of intra operative hand holding on anxiety and its related physiological parameters. Methods: A quasi experimental pre-test post-test control group design was used to collect data from a purposive sample of 54 patients who were underwent cataract surgery at Kasturba Hospital, Manipal. Results: Most of the patients in the experimental group perceived intra operative hand holding as a measure to reduce their anxiety even though there was no significant statistical difference in the immediate post operative anxiety score between the groups. It was also found that hand holding was effective in reducing blood pressure and heart rate except the respiratory rate of patients undergoing cataract surgery. Conclusion: The following conclusions were drawn on the basis of the findings of the present study that is, Intra operative hand holding was effective in reducing the physiological parameters such as heart rate, systolic blood pressure and diastolic blood pressure. Also most of the patients perceived intra operative hand holding as beneficial in relieving anxiety.
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Thavagnanam, Surendran, Saou Y. Cheong, Karuthan Chinna, Anna M. Nathan, and Jessie A. de Bruyne. "Pre-operative parameters do not reliably identify post-operative respiratory risk in children undergoing adenotonsillectomy." Journal of Paediatrics and Child Health 54, no. 5 (November 23, 2017): 530–34. http://dx.doi.org/10.1111/jpc.13789.

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Gritsuk, Igor, Volodymyr Volkov, Eugene Ukrainskyi, Nikita Volodarets, Volodymyr Kuzhel, Tetiana Volkova, and Victoria Ryzhova. "Operative ensuring information system of the standardization of vehicle operation indicators." Journal of Mechanical Engineering and Transport 16, no. 2 (January 17, 2023): 16–22. http://dx.doi.org/10.31649/2413-4503-2022-16-2-16-22.

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The formation of the method of ensuring the rationing of indicators and management of fuel economy of the vehicle in variable operating conditions by means of operational control on the basis of intelligent transport systems is shown. A systematic approach was used as the methodological basis of the research to solve the tasks set in the work. The general technique of carrying out of scientific research of rationing and fuel economy of the freight vehicle of category N3 in variable conditions of operation by means of operative control on the basis of intelligent transport systems is developed. The target function of the study is a combination of objective and subjective factors of vehicle operation, which ensure minimal fuel consumption. At the same time the minimum task is solved, namely: rationing of operational indicators, fuel economy of the vehicle in the conditions of operation tends to reach the maximum, despite the fact that fuel consumption tends to reach the minimum values. The general approach to the formation of the method of ensuring the fuel economy of the vehicle in variable operating conditions by means of operational control based on intelligent transport systems is formulated. The processes of solving the tasks are based on the implementation of systemic interaction of three interrelated components: process, information and analytical. It is shown that the peculiarity of the method is that it involves the joint use of all available methods and means of obtaining information about the processes of operation of the vehicle, fuel consumption, parameters of technical condition and speed, and so on. Thus, the process of forming a method to ensure the rationing of performance and fuel economy of the vehicle in variable operating conditions by means of operational control on the basis of intelligent transport systems involves clarifying information on fuel consumption, actual technical condition, methods and means of implementation. The article shows that this task on the basis of information about fuel consumption parameters and technical condition can be expressed as a complex function in the implementation of relevant tasks. In the work, a method of determining and calculating the fuel consumption of vehicles in operating conditions was developed specifically for the purpose of researching and justifying the regulation and parameters of fuel economy, the peculiarity of the method is that it involves the joint use of all available methods and means of obtaining information about operational processes vehicles, namely fuel consumption, parameters of the technical condition and speed of the vehicle.
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Markmann, James F., Joseph W. Markmann, Niraj M. Desai, Angeles Baquerizo, Jennifer Singer, Hasan Yersiz, Curtis Holt, Rafik M. Ghobrial, Douglas G. Farmer, and Ronald W. Busuttil. "Operative parameters that predict the outcomes of hepatic transplantation." Journal of the American College of Surgeons 196, no. 4 (April 2003): 566–72. http://dx.doi.org/10.1016/s1072-7515(02)01907-5.

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Dissertations / Theses on the topic "Operative parameters"

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Pagano, Roberto. "Operative parameters of Silicon Photomultipliers." Thesis, Universita' degli Studi di Catania, 2011. http://hdl.handle.net/10761/359.

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Silicon photomultipliers are nowadays considered a promising alternative to conventional vacuum tube photomultipliers. SiPM structure consists in a parallel array of equal single pixels, each one made of a silicon p-n junction avalanche photodetector with an integrated resistor. The SiPM is biased above the breakdown voltage, that is, each pixel is operated in Geiger mode, above the breakdown voltage (BV) of the p-n junction. The physical mechanisms operating in the device need to be fully explored and modelled to fully understand the device operational limits and possibilities. In this work, I studied the dark current behaviour of the pixels forming the Si photomultiplier as a function of the applied overvoltage and operation temperature. The data are well modelled by assuming that dark current is caused by current pulses triggered by events of diffusion of single minority carriers (mostly electrons) injected from the boundaries of the active area depletion layer (dominating at temperatures above 0à à à à °C) and by thermal emission of carriers from Shockley-Read-Hall defects in the depletion layer (dominating at temperatures below 0à à à à °C). The current-voltage characteristics of arrays from 5à 5 pixels up to 64à 64 pixels (pre-commercial devices) were also studied and some fabrication issues solved. Finally, some preliminary results on the effect of irradiation on the devices are also reported. In particular, measurements were performed after irradiating the devices with different species: X-rays, light ions (Boron) and heavy ions (Brome and Gold).
I fotomoltiplicatori al Silicio sono al giorno d'oggi considerati un'alternativa promettente ai fotomoltiplicatori tradizionali. I SiPM sono formati da un reticolo (quadrato nel caso studiato) di celle (pixel) connessi in parallelo attraverso opportune resistenze (dette di quenching). Il SiPM e' polarizzato al di sopra della tensione di rottura (a valanga) di modo che ogni cella lavori in modalita' Geiger. E' necessario studiare dettagliatamente il principio fisico alla base del funzionamento e crease un modello per capire limiti e possibilita' di implementazione. In questo lavoro, ho studiato il comportamento della corrente di buio (dark current) della singola cella e delle matrici in funzione della tensione sopra breakdown e della temperatura di operazione. I dati sono modellati assumendo che la corrente di buio e' data da eventi di diffusione di portatori minoritari (elettroni) iniettati dai bordi dell'area attiva (regione di svuotamento), dominante a temperature superiori a 0à °C, e dall'emissione termica dei portatori da difetti Shockley-Read-Hall presenti nella regione di svuotamento, che domina a temperature sotto i 0à °C. Sono state anche studiate le caratteristiche corrente tensione (I-V) delle matrici da 5à 5 fino a 64à 64 (dispositivi pre-commerciali) e risolti alcuni problemi connessi alla fabbricazione.. Infine, sono riportati anche alcuni risultati preliminari sull'effetto dell'irraggiamento. In particolare, le misure sono state effettuare dopo irraggiamenti con raggi X, ioni leggeri (Boro) e ioni pesanti (Bromo e Oro).
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Rojas, Jose Angel. "Relationship between the sludge settling characteristics and the parameters of the activated sludge system." ScholarWorks@UNO, 2004. http://louisdl.louislibraries.org/u?/NOD,171.

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Thesis (M.S.)--University of New Orleans, 2004.
Title from electronic submission form. "A thesis ... in partial fulfillment of the requirements for the degree of Master of Science in the Department of Environmental Engineering."--Thesis t.p. Vita. Includes bibliographical references.
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Boughtflower, Robert J. "Operating parameters for capillary electrochromatography (CEC)." Thesis, University of Edinburgh, 2000. http://hdl.handle.net/1842/12403.

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Miniaturisation of chromatographic systems is becoming increasingly desirable. Future developments will demand the analysis of smaller samples, at faster rates, with increasingly complex separations required. These demands are already starting to exceed the capabilities of conventional HPLC systems. Systems will require more column efficiency, operation at higher flow rates and detection of the undiluted eluent in the most sensitive detectors available. CEC offers the opportunity to achieve these goals. The main obstacles to using CEC reliably are the relatively unstable nature of purely electrically driven flows in packed beds, the lack of good quality CEC columns and the lack of dedicated instruments to perform CEC analysis. Also, CEC shares some of the same problems with HPLC of miniaturising the separation system without incurring dispersion related losses. The work detailed in this thesis contributes considerable advancements in most of these areas. Novel methods to produce high quality columns are described. The work demonstrates effective methods for coupling CEC to MS that make allowance for control of dispersion. The thermal limits of operation are discussed and demonstrated. Pressure-assisted CEC, demonstrating the practicality of performing CEC based analysis that is as reliable as current HPLC systems is shown. Proper optimisation of these type of uses will ultimately deliver CEC in a reliable format which will encourage a whole new audience of users to reap the benefits available.
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Yilgor, Pinar. "Bioprocess Operation Parameters For Benzaldehyde Lyase Production." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/3/12605242/index.pdf.

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In this study, the effects of bioprocess operation parameters on benzaldehyde lyase production were systematically investigated. For this purpose, the research program was carried out in mainly four parts. In the first part of the study, Escherichia coli K12 (ATCC 10798), having the highest benzaldehyde lyase production capacity, was selected as the host microorganism. Next, using the selected microorganism, the production medium was designed in terms of its carbon and nitrogen sources. Among the investigated media, the highest cell concentration and benzaldehyde lyase activity were obtained as 1.8 kg m-3 and 745 U cm-3, respectively, in the medium containing 8.0 kg m-3 glucose, 5.0 kg m-3 (NH4)2HPO4 and the salt solution. Thereafter, by using the designed medium, the effects of bioreactor operation parameters, i.e., oxygen transfer and pH, were investigated in pilot scale bioreactor. Oxygen transfer effects on benzaldehyde lyase production were investigated at QO/VR=0.5 vvm
N=250, 375, 500, 625, 750 min-1 and at QO/VR=0.7 vvm, N=750 min-1 conditions. The highest cell concentration and benzaldehyde lyase activity were obtained at 0.5 vvm, 500 min-1 condition as 2.3 kg m-3 and 860 U cm-3, respectively. Finally, the effect of pH was investigated for benzaldehyde lyase production process at Qo/VR=0.5 vvm, N=500 min-1 condition, at pHC=5.0, 6.4, 6.7, 7.0, 7.2 and 7.8 values. Among the investigated pH values, the highest cell concentration and enzyme activity were obtained at pHC=7.0 condition as 2.1 kg m-3
775 U cm-3. However, the values obtained at this condition, were lower than the values obtained at pHUC=7.2 uncontrolled pH operation. Hence, medium oxygen transfer condition and uncontrolled pH operation are found to be favorable for benzaldehyde lyase production.
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Edwards, Garren Chad. "Investigation of operating parameters in a vertical stirred mill." Master's thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/20442.

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Due to the depletion of coarser grained ores, more mineralogically complex ores are being treated. These complex ores usually have finer grained valuable minerals. Liberation of these finer grained valuable minerals lies in grinding finer. Grinding to these fine sizes is energy intensive and using standard ball mills are energy inefficient at these sizes (P80 < 75μm). Therefore, stirred mills are becoming increasingly prevalent in the mineral processing industry. In order to optimize these mills, the effects and mechanisms of the significant variables need to be understood. This project investigated operating parameters against performance in a laboratory scale vertical stirred mill (Deswik mill), in an ultrafine grinding (UFG) application of MG2 reef in the bushveld igneous complex. The operating variables that were investigated are stirrer speed, solids concentration, media size and media filling. The Kwade stress energy model was tested on the grinding results. The grinding performance was quantified in two ways, i.e. grinding efficiency and grinding rate. The grinding performance for this study was also investigated through a statistical analysis. The experiments was designed using a face centred central composite design (FCCD) and the results was statistically analysed using a design of experiments (DOE) software.
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Nikiema, Sompassaté Josiane. "Attenuation of greenhouse gas emissions by means of methane biofiltration optimization of the operating parameters." Thèse, Université de Sherbrooke, 2008. http://savoirs.usherbrooke.ca/handle/11143/1911.

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The main goal of this work has been that of optimizing the operating conditions of a biofilter, intended for the control of methane, an important greenhouse gas widely emitted by older or smaller landfill installations.The specific objectives were: (1) to select a suitable packing material (of organic or inorganic type); (2) to optimize the concentrations of input nutrients, mainly consisting of nitrogen, phosphorus, potassium and copper, which are intended to be introduced via the nutrient solution; (3) to determine the optimized values of the most important design parameters, such as the methane inlet load (which depends on the air flow rate and the inlet methane concentration); and (4) to model the biofilter performance. Firstly, the comparison of the two packing materials, one of organic type, and the other of inorganic type, has revealed that the latter was the more appropriate material for the methane biofiltration. Then, through the use of the selected packing material, the influence of each individual nutrient on the efficiency of the process has been investigated.The results obtained have shown that both nitrogen and phosphorus concentrations have to be controlled, while potassium and copper were revealed as being nutrients of only minor importance. Secondly, the optimization of the inlet gas flow rate and of the inlet methane concentration (and consequently, of the methane inlet load also), has been performed. According to the results of the studies, these parameters require good control during methane biofiltration because a limitation in biofilter performance could otherwise be induced. In addition, it was noted that the increase in the inlet gas flow rate led generally to a greater decrease of the methane conversion than the one induced by the inlet methane concentration. Finally, a new method, based on the use of solid extracts sampled from the methane biofilter, has been applied to the determination of methane biofilter kinetic parameters. Following this study, a steady state model of the methane biofiltration, taking into consideration the important operational parameters, as identified previously, has been developed. One particular feature of this model is that it takes into consideration the influence of the biofilter average temperature.The prediction results, obtained with the use of the model, have been successfully compared with the experimental results.
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Nekovář, Martin. "Výpočet a měření parametrů asynchronních motorů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219752.

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The theme of this master´s thesis is calculation and measurement of the parameters of induction motor. The thesis is divided into several parts. The first and the second part describes the general construction and operating principle of asynchronous motors. The construction includes a description of each part of induction motor, which consists of stator and rotor. The thesis deals with three-phase symmetrical and asymmetric single-phase motors. Principle of operation with using the rotating magnetic field, which is circular at three-phase motors, single phase motors have field elliptical shape. The next part contains the motor replacement scheme. The fourth part contains the calculation of motor´s parameters through the formulas. In this part the procedures for obtaining parameters of the replacement scheme of induction motor are defined. The process of calculating the parameters of the motor replacement scheme of threephase asynchronous motor is created according to given documentation is the next part for the certain type. The next content of the thesis describe finite element method, simulation and measurement of asynchronous motors to get of parameters from no-load and short-circuit test. The comparison of the results from measurement, analytical calculation and from simulation is given in the last chapter.
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Rojas, Hector E. "The effect of ball mill operating parameters on mineral liberation." Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/50084.

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In previous studies, the analysis of ball mill operating parameters and their effects on breakage phenomena has been limited to homogeneous materials. Though these studies have proven to be an asset in predictions of product size distributions and mill scale-up, they have not addressed the primary role of grinding, i.e. liberation. The present investigation analyzes the effect of ball mill operating parameters on the breakage rates of both liberated and composite material. The operating parameters studied include mill rotational speed, ball size, mill charge, and wet versus dry grinding. Breakage rates have been determined experimentally utilizing a SEM-IPS image analyzer. The mineral sample used was acquired from ASARCO's Young Mine which is located in Jefferson City Tennessee. It was a binary ore consisting of sphalerite and dolomite. Batch grinding experiments were conducted to provide breakage rates for the various composition classes. Breakage rates were then normalized with respect to energy to see if the changes in breakage rates associated with mill operating parameters were due to changes in breakage kinetics, or simply a function of energy input. The energy normalized data indicates that the free dolomite breakage rates tend to normalize with respect to energy in the case of varying interstitial fillings. Furthermore, changes in mill rotational speed tend to provide energy normalizable breakage rates for both free dolomite and sphalerite. In all other cases, analysis of the breakage rates and energy-specific breakage rates indicate that a change in breakage kinetics may be occurring. In general, particles containing a high proportion of sphalerite are more apt to break under impact conditions. On the other hand, particles containing a large proportion of dolomite were found to prefer attrition breakage conditions.
Master of Science
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Chan, Chee-Wan. "Effects of powered harrow operating parameters on soil physical properties." Connect to resource, 1992. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1200585211.

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McCarty, Michael James. "Determining the Optimum Operating Parameters of a Unipolar PWM Inverter." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/287.

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This study presents a determination of the optimum operating parameters of a unipolar PWM inverter through theoretical and experimental analysis. The inverter is investigated in its simplest form without input DC-DC conversion or output filtering. The intent of this study is to understand the core of the inverter thoroughly before adding peripheral elements such as output filtering. Variations on the input voltage level and switching frequency were investigated to determine their impacts on the operation of the inverter and harmonics produced. Theoretical modeling and calculations confirmed by experimental measurements and analysis allow determination of the inverter operating conditions which allow highest converter efficiency with lowest distortion. Results suggest highest efficiency and lowest harmonic distortion is achieved at the lowest input voltage (just above the peak of the desired fundamental component) and lowest switching frequency independent of output power.
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Books on the topic "Operative parameters"

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J, Staley Laurel, and Hazardous Waste Engineering Research Laboratory, eds. Incinerator operating parameters which correlate with performance. Cincinnati, OH: U.S. Environmental Protection Agency, Hazardous Waste Engineering Research Laboratory, 1987.

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Silver, Marvin. Parameters for the operation of bacterial thiosalt oxidation ponds. S.l: s.n, 1985.

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India. Central Pollution Control Board., ed. Report on design and operating parameters of electrostatic precipitators. Delhi: Central Pollution Control Board, 1992.

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Klenin, N. I. Agricultural machines: Theory of operation, computation of controlling parameters, and the conditions of operation. New Delhi: Amerind, 1985.

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Klenin, N. I. Agricultural machines: Theory of operation, computation of controlling parameters, and the conditions of operation. Rotterdam: A.A. Balkema, 1985.

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Schiffers, Andreas. Influence of operating parameters on centrifugal concentrators on flaky gold recovery. Aachen: Universitätsbibliothek der RWTH Aachen, 2016.

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M, Herb Gregory, Virginia Polytechnic Institute and State University. Dept. of Computer Science., and Goddard Space Flight Center, eds. A real-time robot arm collision detection system. [Blacksburg, Va.]: Dept. of Computer Science, Virginia Polytechnic Institute and State University, 1990.

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Shaffer, Clifford A. A real-time robot arm collision detection system. [Blacksburg, Va.]: Dept. of Computer Science, Virginia Polytechnic Institute and State University, 1990.

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Shaffer, Clifford A. A real-time robot arm collision detection system. [Blacksburg, Va.]: Dept. of Computer Science, Virginia Polytechnic Institute and State University, 1990.

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Thompson, Neil Duncan. Effect of engine operating variables and piston and ring parameters on crevice hydrocarbon emissions. Ottawa: National Library of Canada, 1993.

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Book chapters on the topic "Operative parameters"

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Lyczkowski, Robert W., Walter F. Podolski, Jacques X. Bouillard, and Stephen M. Folga. "Operating Parameters." In Thermo-Hydrodynamic Design of Fluidized Bed Combustors, 17–45. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-3591-4_4.

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Price, Robert L. "Setting the Operating Parameters." In Basic Confocal Microscopy, 181–241. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-78175-4_9.

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Alam, Tamanna, Poh Seng Lee, and Li-Wen Jin. "Design and Operating Parameters." In Flow Boiling in Microgap Channels, 5–11. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7190-5_2.

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Leong, Thomas Seak Hou, Sivakumar Manickam, Gregory J. O. Martin, Wu Li, and Muthupandian Ashokkumar. "Selection of Operating Parameters." In SpringerBriefs in Molecular Science, 13–21. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73491-0_2.

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Barrett, Steven F., and Daniel J. Pack. "Operating Parameters and Interfacing." In Microcontrollers Fundamentals for Engineers and Scientists, 95–109. Cham: Springer International Publishing, 2006. http://dx.doi.org/10.1007/978-3-031-79737-8_7.

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Barrett, Steven F., and Daniel J. Pack. "MSP430 Operating Parameters and Interfacing." In Microcontroller Programming and Interfacing Texas Instruments MSP430 Part I, 103–37. Cham: Springer International Publishing, 2011. http://dx.doi.org/10.1007/978-3-031-79828-3_4.

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Barrett, Steven, and Jason Kridner. "BeagleBone Operating Parameters and Interfacing." In Synthesis Lectures on Digital Circuits & Systems, 67–126. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-031-79858-0_3.

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Dang, Dung, Daniel J. Pack, and Steven F. Barrett. "MSP432 Operating Parameters and Interfacing." In Embedded Systems Design with the Texas Instruments MSP432 32-bit Processor, 93–189. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-031-79889-4_3.

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Barrett, Steven, and Jason Kridner. "BeagleBone Operating Parameters and Interfacing." In Bad to the Bone, 79–154. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-031-79879-5_4.

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Barrett, Steven F., and Daniel J. Pack. "MSP430 Operating Parameters and Interfacing." In Microcontroller Programming and Interfacing with Texas Instruments MSP430FR2433 and MSP430FR5994, 139–229. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-031-79899-3_4.

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Conference papers on the topic "Operative parameters"

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Pohrebennyk, Volodymyr, Olga Korostynska, Alex Mason, and Mariush Cygnar. "Operative Control Parameters of Water Environment." In 2016 9th International Conference on Developments in eSystems Engineering (DeSE). IEEE, 2016. http://dx.doi.org/10.1109/dese.2016.52.

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Pol'skii, Yuri E., German I. Il'in, Oleg G. Morozov, Gennady A. Morozov, and Dmitry L. Ovtchinnikov. "Modulation techniques for operative aerosol monitoring to FSO links parameters improving." In Optical Technologies for Telecommunications 2009, edited by Vladimir A. Andreev, Vladimir A. Burdin, Oleg G. Morozov, and Albert H. Sultanov. SPIE, 2009. http://dx.doi.org/10.1117/12.854859.

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Rocha, Maximiliano Conde Alexandre, Luis Alfredo Esteves Meneses, and Mateus Giesbrecht. "Synchronous machine parameters identification from data acquired during operative range test." In 2020 IEEE 29th International Symposium on Industrial Electronics (ISIE). IEEE, 2020. http://dx.doi.org/10.1109/isie45063.2020.9152393.

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Siano, Salvatore, F. Fabiani, D. Caruso, Roberto Pini, and Renzo Salimbeni. "Laser cleaning of stones: assessment of operative parameters, damage thresholds, and associated optical diagnostics." In ALT'99 International Conference: Advanced Laser Technologies, edited by Vladimir I. Pustovoy and Vitali I. Konov. SPIE, 2000. http://dx.doi.org/10.1117/12.378171.

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Blaunstein, Nathan. "Prediction of operative parameters of land-to-land and land-to-atmosphere wireless communication links." In 2017 International Conference on Information and Telecommunication Technologies and Radio Electronics (UkrMiCo). IEEE, 2017. http://dx.doi.org/10.1109/ukrmico.2017.8095363.

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Himebauch, A., W. Wong, Y. Wang, R. A. Berg, S. M. Kawut, S. B. Goldfarb, L. Mercer-Rosa, and N. Yehya. "The Association of Pre-Operative Echocardiographic Parameters with Grade 3 Primary Graft Dysfunction Following Pediatric Lung Transplantation." In American Thoracic Society 2020 International Conference, May 15-20, 2020 - Philadelphia, PA. American Thoracic Society, 2020. http://dx.doi.org/10.1164/ajrccm-conference.2020.201.1_meetingabstracts.a5120.

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Rausa, R., C. Carati, M. Vanelli, and G. Ponti. "Synthesis of Diesel-Like Soots. Influence of the Operative Parameters on the Chemico-Physical and Morphological Characteristics." In International Fall Fuels and Lubricants Meeting and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/982664.

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Küper, MA, B. Röhm, U. Stöckle, FM Stuby, A. Höch, A. Trulson, SC Herath, III Becken, and AG der DGU. "Pararectus-approach vs. Stoppa-approach for the treatment of acetabular fractures - a comparison of clinical and operative outcome parameters." In Deutscher Kongress für Orthopädie und Unfallchirurgie. Georg Thieme Verlag KG, 2020. http://dx.doi.org/10.1055/s-0040-1717228.

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Bellantone, Vincenzo, Rossella Surace, and Irene Fassi. "Effects of Injection Moulding Parameters on Dimensional Accuracy of POM/MWCNT Micro Parts." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35083.

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Nowadays, the study of polymer nanocomposites is an active area of materials development because nanofillers and in particular Multi-Wall Carbon Nanotubes (MWCNTs) can significantly improve or adjust the properties of the materials into which they were incorporated such as optical, electrical, mechanical and thermal properties. MWCNTs have been adopted in quite a number of applications, but advancements in their properties are needed for spreading their potential. Moreover their behaviour and filling properties in micro injection moulding process have still to be studied. Therefore, in this work, experimental and statistical studies were performed to analyze the parameters effect on replicating capability of micro parts manufactured in POM/MWCNT by micro injection moulding process. Two compounds with different filler fraction (3 and 6 wt%) were tested and processed with different conditions and their operating range have been pointed out and compared with that of pristine POM (PolyOxyMethilene). The results show that the filler content has the effect to change slightly the operative range of the micro injection process parameters and to increase the replicating capability. The most effective parameters on replicating capability of micro ribs, evaluated by a dimensional index, are the mould temperature for the POM/MWCNT 3% and injection velocity for the 6% filler fraction.
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Ayala, Diego, Wilson Padilla, and Luis Carrera. "Reliability of Electric Submersible Pumps ESP & Determination of Weibull Parameters for Failure Characterization, Ecuador Case Study." In SPE Gulf Coast Section Electric Submersible Pumps Symposium. SPE, 2021. http://dx.doi.org/10.2118/204503-ms.

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Abstract The current research focuses on data modeling of ESP (Electric Submersible Pumps) reliability by obtaining, through mathematical calculations, the parameters that define the Weibull shape (β), scale (ɳ) and location (ϒ) parameters. The scale parameter ɳ is the characteristic life at which 63.2% of the population has failed. These parameters can be helpful in characterizing failure behavior and the ESP system run life. This research stemed from the need to better understand failure behavior to improve maintenance program design and enhance equipment reliability.160 wells from four fields (7-21, 56, 57) of the Ecuadorian Oriente basin were analyzed. Well selection considered only the mechanic failures and excluded other type of failures leaving aside the ESP failures caused by operative issues (reservoir, completions, workover, redesign, zone change). Three mathematical tools were applied to determine the Weibull parameters more accurately. Another type of analysis could have limited this research since the normal distribution shows limitations with asymmetric data, and the exponential distribution assumes a fixed failure rate, but the ESP failure behavior is asymmetric and the failure rate is variable through time due to factors such as wear and also infant failures (e.g. installation errors). For these reasons, Weibull distribution is the best option because it fits asymmetric data better and it has a variable failure rate. Determining the value of the Weibull parameters can assist in answering questions such as: what percentage of failures is expected to occur in time? How many failures can be expected before the warranty period? When should regular maintenance be scheduled? Ultimately, Weibull parameters are the basis of any future reliability analysis. The Weibull parameters obtained in this study can be applied for future ESP reliability analyzes that are being operated in any field in the Oriente Basin of Ecuador. From the research, two relevant findings were foundThere are a significant number of failures in the initial stage of operation of the pumps,, which could be associated with the installation of the equipment, and the failure risk is drastically reduced in the equipment that reaches life time similar to the characteristic life (ɳ)and pumps that operate without failure to a time similar to characteristic life (ɳ) continue to follow this trend throughout their operating life. Initial stage failures are presumed to be associated with unanticipated conditions: solid binding, design errors, defective equipment, or assembly of equipment with reused and new parts. The performance of the ESP affects the productivity of the wells and therefore will influence decision-making to develop a field. The reliability of the ESP systems can favor the productivity of a field when the equipment works within its efficiency range without showing recurrent failures. This significantly improves field production costs and profitability.
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Reports on the topic "Operative parameters"

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Brown, Donald W., and James N. Albright. LTFT Operating Parameters. Office of Scientific and Technical Information (OSTI), April 1989. http://dx.doi.org/10.2172/1244362.

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Ade, Brian J., William B. J. Marshall, Germina Ilas, Benjamin R. Betzler, and Stephen M. Bowman. The Impact of Operating Parameters and Correlated Parameters for Extended BWR Burnup Credit. Office of Scientific and Technical Information (OSTI), June 2017. http://dx.doi.org/10.2172/1366400.

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Bannochie, C. J., and D. P. Lambert. Technical bases for precipitate hydrolysis process operating parameters. Office of Scientific and Technical Information (OSTI), November 1992. http://dx.doi.org/10.2172/6985753.

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Bannochie, C. J. Technical bases for precipitate hydrolysis process operating parameters. Office of Scientific and Technical Information (OSTI), October 1992. http://dx.doi.org/10.2172/6985940.

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Bannochie, C. J. Technical bases for precipitate hydrolysis process operating parameters. Office of Scientific and Technical Information (OSTI), October 1992. http://dx.doi.org/10.2172/10121738.

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Silver, M. Parameters for the operation of bacterial thiosalt oxidation ponds. Natural Resources Canada/CMSS/Information Management, 1985. http://dx.doi.org/10.4095/327776.

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Bannochie, C. J., and D. P. Lambert. Technical bases for precipitate hydrolysis process operating parameters. Revision 1. Office of Scientific and Technical Information (OSTI), November 1992. http://dx.doi.org/10.2172/10138752.

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Richman, E. E., A. L. Dittmer, and J. M. Keller. Field analysis of occupancy sensor operation: Parameters affecting lighting energy savings. Office of Scientific and Technical Information (OSTI), September 1994. http://dx.doi.org/10.2172/10185252.

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Hamrick, Todd. Optimization of Operating Parameters for Minimum Mechanical Specific Energy in Drilling. Office of Scientific and Technical Information (OSTI), January 2011. http://dx.doi.org/10.2172/1060223.

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Wilson, Jr., Joe D. Determination of the Optimal Operating Parameters for Jefferson Laboratory's Cryogenic Cold Compressor Systems. Office of Scientific and Technical Information (OSTI), January 2003. http://dx.doi.org/10.2172/811272.

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