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1
GUECCIA, Rosa. "DEVELOPMENT AND MODELING OF MEMBRANE PROCESSES FOR THE REGENERATION OF ACID PICKLING SOLUTIONS." Doctoral thesis, Università degli Studi di Palermo, 2021. http://hdl.handle.net/10447/478997.
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The doctoral thesis focuses on a novel integrated process for the recovery and valorisation of acid and metal salts present in the waste solutions of the pickling process. The proposed process is based on the integration of two innovative membrane technologies, the Diffusion Dialysis and the Membrane Distillation, coupled with a reactive precipitation section. This hybrid process allows the recovery and the enhancement of waste solutions, as well as optimal operating conditions for the continuous pickling process, thus improving its efficiency.
Hydrochloric acid recovery was assessed through a detailed study on the Diffusion Dialysis process by implementing a wide experimental campaign using artificial solutions produced in laboratory, in order to understand and characterize the system. A mathematical model was developed with time and space distributed-parameters structure for the effective simulation of steady state and transient batch operations, thus providing an operative tool for the design and optimization of DD units.
Selective separation of metal salts was reached by precipitating ferric hydroxide and maintaining ammonium and zinc chlorides in solution, which can be used as fluxing solution in the galvanizing process itself, thus implementing the typical Circular Economy concept.
The feasibility of the proposed process is demonstrated through the use of a purposely developed process simulator able to predict steady state operation of the integrated process and to perform sensitivity analysis for the identification of the best operating conditions of the system.
An experimental campaign was carried out with a demonstrator unit, jointly designed and constructed by Fraunhofer ISE (Freiburg, Germany), eventually installed in the real industrial environment of Tecnozinco s.r.l hot-dip galvanizing plant in Carini, Sicily. The campaign assessed the integration performance of the different units and the process reliability, resulting in a minimization of spent pickling solution disposal and in high quality recovered compounds.
An engineering economic analysis was carried out in order to assess the economic feasibility of the proposed process.
The economic model was implemented in the gPROMS simulation platform and was used to conduct an optimization analysis, defining the optimal operational and design conditions for which the process is more profitable and performing. The process simulator was also used to provide a scale-up of the demonstrator plant. The results have shown that the process has a good potential for industrial implementation, thanks to the economic and environmental benefits.
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ORBADIA, BUKENYA RICHARD. "Improvement of the performance of a Demonstration Thermal Power Plant." Thesis, Högskolan i Gävle, Energisystem, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-24042.
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Power generation with steam as the working fluid has been proven technology in many developed countries around the world. The advantages in using this technology include its ability to use a wide range of fuel and using the cheapest material (water) as a working fluid. This means that if this technology is invested in it can boost the levels of power generation especially in developing countries where only the minority of the population has access to electricity. Currently there is no power plant in Uganda which uses steam technology despite Uganda being endowed with vast sources of fuel ranging from solar, biomass, geothermal and the recently discovered oil in the Albertan region. Blessed by nature, Uganda has a lot of potential to generate power using steam technologies which power when generated can boost the economic development of the country. Due to a low technology level in the country in areas of power generation, there are few commercial steam power plants which are mainly owned by sugar manufacturers and some of them generate power which is supplied to the National grid. There are however accessible demonstration steam power plants in the engineering faculties at both Makerere and Kyambogo Universities. However, the one at Makerere University is malfunctioned and one can only make a study of the performance of these power plants using the plant at Kyambogo University. This study can help the researcher understand the exact challenges of steam power plants, the performance and how to improve efficiency of performance.Utbildningsprogram i samarbete med KTH
3
Mackay, Shane. "Development of Murdoch University pilot plant maintenance & demonstration programs." Thesis, Mackay, Shane (2012) Development of Murdoch University pilot plant maintenance & demonstration programs. Other thesis, Murdoch University, 2012. https://researchrepository.murdoch.edu.au/id/eprint/10199/.
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The structure of the Instrumentation and Control Engineering stream at Murdoch University exposes students to significant practical components as well as extensive development of theoretical knowledge. One of the most industry-like practical components that these students have access to is the Murdoch University Pilot Plant. For this reason, it is important that the Pilot Plant is operating smoothly and kept as up to date as possible. The main purpose of this thesis paper is to ultimately improve the performance of the Pilot Plant and hopefully enable it to become an even more valuable resource.
Throughout the time spent on this thesis paper, various improvements and new aspects have been developed and implemented into the Pilot Plant. One of the first ideas explored through this thesis was a significant recoding of the way instrumentation was activated and controlled, enabling all device control function blocks to be operated when the mode attribute is set to program. It is envisaged that this will allow for significantly less operator confusion as has been experienced since the recent upgrade. Further to this, a significant portion of this thesis examined the development and implementation of both maintenance and demonstration programs. Existing research provided evidence that sequential control modules would be the easiest method for coding the maintenance program. This program was designed to activate both upon user demand and automatically on a preset time to cycle various aspects of the Pilot Plant that are susceptible to seizing during extended periods of dormancy. Minimal running time was an important aspect that needed to be considered and this was achieved, with the program completing in two minutes.
The thesis then goes on to explore the development and implementation of the demonstration program. The demonstration program is quite similar to the maintenance program as it also employs sequential control modules. Its design allows for a systematic approach to turning on pumps and waiting until predefined conditions are met to allow the Pilot Plant to reach a steady state operating condition without any input from an operator. This was successfully achieved with a fully automated program from start to finish which it is envisioned will aid during times when tours of the Pilot Plant are being performed, allowing the tour guide to simply press a button and direct full focus to the explanation about the Pilot Plant. Finally this thesis explores the adaption and creation of new human machine interface pages to be implemented into Station to take full advantage of the newly developed code. Three new pages are created to allow easy integration of the new program settings, while minor modifications are also performed, to make operation of the Pilot Plant significantly simpler.
Through the significant research and development undertaken throughout this thesis, it has become evident that there are many more opportunities and directions that further projects could take to build upon this knowledge base and further improve the Murdoch University Pilot Plant and ultimately the Instrumentation and Control Engineering stream.
4
Association, Pine Water. "Pine Water Association Slow Sand/Nanofiltration Demonstration Plant: Design Report." Water Resources Research Center. The University of Arizona, 1990. http://hdl.handle.net/10150/306671.
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Design Report, Pine Water Association Slow Sand/Nanofiltration Demonstration Plant, Submitted To: Arizona Department of Environmental Quality..., From: Pine Water Association..., June 1990The Water Resources Research Center files also include the Construction Plans and Specifications for the Pine Water Association Slow Sand/Nanofiltration Demonstration Plant (not digitized).
Introduction: The Pine Water Association presently serves approximately 130 people domestic water and irrigation water in separate systems. Their water comes from a spring but flows in a creekbed before being diverted for domestic and irrigation use. As a result during storm runoff and snowmelt the water contains some sediment. Presently there is no filtration on the system. A sedimentation chamber plus chlorination is the only water treatment. The Environmental Protection Agency (EPA) has recently instituted a new requirement that all surface treated water has to be filtered. Lois Krebs of the Pine Water Association visited the 20,000 gallons per day (GPD) Consolidated Water Utilities Pilot Nanofiltration Plan on Sept. 8, 1989. This facility is approximately the same size that is needed by the Pine Water Association. However the nanofiltration capacity will need to be doubled due to a reduction in production during colder weather. Following this visit the Pine Water Association requested the University of Arizona help with the plant and a contract was signed.
5
ALI, JIBRAN. "Virtual Power Plant Concepts for Ancillary Market - Demonstration, Development, and Validation." Doctoral thesis, Università degli studi di Genova, 2020. http://hdl.handle.net/11567/1006270.
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The increased penetration of distributed energy resources and renewables open up issues in power systems
as a whole. Chapter 1 discusses these issues, and highlights the literature solutions. The concept of VPP is
highlighted, different options are explored, and the use of VPP is motivated. The chapter further discusses
different ancillary services, with both technical and market perspectives. It makes a clear demarcation
amongst transmission and distribution level VPPs, and their economic and technical aspects. Different
components within VPP are also highlighted in this chapter.
The models of VPP, based on SGAM, are presented in Chapter 2, with detailed test cases. The models
characterize VPP as an aggregator at TSO, VPP as DER-Aggregator/DERMS at DSO-DMS, and VPP as business
case for flexibility to DSO-DMS. It includes the VPP actors, their characteristics, and a compact architecture
based on SGAM. It further splits VPP participants in different software: MATLAB/Simulink, DIgSILENT, and
LabVIEW for defined test cases. These are further elaborated in detail in the next chapters, and all are
discussed w.r.t regulatory, technical, and economic aspects.
Chapter 3 co-simulates VPP-DERMS (Distributed Energy Resource Management System as a Virtual Power
Plant) based customers' DR through LabVIEW. It develops interface to customers' meters for reactive power
visibility, and then develops a HMI and recording tool at VPP controller. The performance of the tool is
analyzed in the chapter, which is in fact the modeling of Modbus based customers' interaction for reactive
power.
Chapter 4 co-simulates effects of DER on a distribution grid in DIgSILENT. A distribution grid is modelled in
DIgSILENT, and then DERs are added to the network. Node voltages and line loading are analyzed in the
absence and presence of unplanned DERs. Then the network is seen from two perspectives – flexibility that
can be provided to TSO with STATCOM at transmission node, and flexibility that can be provided to DSO with
planned DGs at distribution node.
Chapter 5 co-simulates storage model in MATLAB/Simulink. It starts with the techno-economic analysis of
potential storage systems, and then to realize the storage model for simulation. The model of selected
storage system is implemented in MATLAB/Simulink, and then a explicit service test case is developed within
VPP-aggregator to analyze the flexibility margin by storage. Next step is the integration of these co-simulators
within different service platform levels.
The objective of Chapter 6 is to develop an interface amongst co-simulators to simulate the VPP chain. At
first step, the co-simulators are realized within tags: wind farm tags are created in DIgSILENT, customers'
based tags are built in LabVIEW, and storage tags are located inside MATLAB/Simulink. Then communication
amongst the co-interfaces is done by the development of Matrikon OPC server and explorer platform. The
master platform is implemented in LabVIEW-RT tool.
Then test cases are defined for the validation of platform, which is performed in Chapter 7. Chapter 7 is
dedicated to the validation of the formulated VPPs – DERMS, business VPP, and aggregator. DERMS based
model is validated within DIgSILENT, by using a portion of the Italian distribution grid. Aggregator based
model is validated within DIgSILENT, by using the IEEE 9 bus transmission test model. Business VPP model is
validated using IEC 61850 compliant feature of DIgSILENT for the same distribution grid in a translational
manner.
The validated VPP is used as an application for power system reliability, which is presented in Chapter 8. It
describes the conventional schemes for power system protection, and the issues with DER penetration. It
then models a VPP, and verifies its functionality for power system protection.
Chapter 9 concludes the thesis.
6
Kapewangolo, Taatsu Petrina. "Lamiaceae plant extracts and isolated compounds demonstrate activity against HIV/AIDS." Thesis, University of Pretoria, 2013. http://hdl.handle.net/2263/40262.
Full textAbstract:
Background: HIV/AIDS remains a major health concern worldwide and the number of
people infected in Sub-Saharan Africa continues to increase. This despite increased
awareness and availability of HIV drugs in most countries. The success of current HIV-1
drugs is overshadowed by the emergence of drug resistant viral strains and the adverse
side-effects they may cause. It is these limitations and many more that drives the
continuous search for better HIV treatments. Research into drug discovery and
development using natural products is becoming better established. With natural
products, there are endless opportunities for discovering novel compounds which either
ends up as final drugs or as backbones of drug leads.
Methods: In this thesis, sixteen Lamiaceae (mint) plants were investigated for inhibitory
properties against HIV-1 as well as for beneficial immune enhancing effects. This family
of plants is commonly used in traditional medicine preparations for the treatment of
various ailments including those that are virus induced.
Cytotoxicity of the plant material was determined using tetrazolium dyes and the results
subsequently confirmed with flow cytometry and real-time cell analysis. Direct enzyme
assays were used to determine the inhibitory properties of the extracts and isolated
compounds against HIV-1 protease (PR), reverse transcriptase (RT) and integrase (IN).
The effect of the plant materials was also evaluated in an in vitro model of chronic and
latent infection by measuring HIV-1 p24 protein secretion of an infected cell line (U1)
following treatment. Most HIV-infected individuals only seek treatment during the
chronic stages of disease and latent reservoirs of the virus perpetuate treatment. The immune modulating properties were determined by quantitating the effects of plant
extracts/compounds on Th1/2/17 cytokine production in human mononuclear cells using
the cytometric bead array technology. Finally, anti-oxidant and anti-inflammatory
properties were also assessed using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) and
nitric oxide colorimetric assays respectively.
Results and discussion: The 50% cytotoxic concentration (CC50) of the extracts was
between 4.2 and 100 μg/ml. Of the sixteen, extracts from six plants (Ocimum labiatum,
Ocimum serratum, Plectranthus barbatus, Plectranthus neochilus, Salvia apiana and
Stachys byzantina) were active against HIV-1. Four plants (P. neochilus, O. serratum, S. apiana and S. byzantina) demonstrated moderate inhibitory properties against HIV-1
PR, RT and IN (40-49%) and three of these plants (O. serratum, S. apiana and S.
byzantina) significantly (p<0.05) suppressed HIV-1 replication in U1 cells. The most
exciting data was obtained from extracts of P. barbatus and O. labiatum which
demonstrated inhibition classified as good (>50%) against HIV-1 PR (IC50s 62 ±0.2 and
49.8 ±0.4 μg/ml), reduced the production of pro-inflammatory cytokines at non-cytotoxic
concentrations and demonstrated strong antioxidant properties (IC50 values 13 ±0.8 and
15.8 ±0.3 μg/ml). O. labiatum extract also suppressed HIV-1 expression in U1 cells,
significantly (p<0.05). In addition, one of the extracts (P. ciliatus) had anti-cancer
potential with CC50 values <10 μg/ml.
O. labiatum extract was purified to yield a chlorophyll derivative, pheophytin-a
(phy-a); triterpene isomers (3-hydroxy-4,6a,6b,11,12,14b-hexamethyl-
1,2,3,4,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-octadecahydropicene-4,8adicarboxylic
acid), amyrin and a labdane diterpenoid (labda-8(17),12E,14-triene-2R,18-
diol). Phy-a inhibited HIV-1 PR with an IC50 value of 44.4 ±1.5 μg/ml. The triterpenes
activated latent HIV-1 (a serious obstacle in the eradication of the virus) while the
diterpenoid reduced the production of pro-inflammatory cytokines. These activities were
observed at non-toxic concentrations of these compounds. There is an ongoing search
for novel compounds that are able to activate latent HIV-1 to use in conjunction with
HAART. If the triterpenes were to progress to clinical use, their use would be in
activating latent virus for eradication by existing treatments.
Conclusion: The findings presented in this thesis provide some scientific explanation
for the anecdotal success of some Lamiaceae plants used traditionally to manage HIV/AIDS. The findings also conform to recommendations by the scientific community
regarding the validation of the beneficial effects of plant products used traditionally.Thesis (PhD)--University of Pretoria, 2013.
gm2014
Biochemistry
unrestricted
7
Cluff, Ronald E., David K. Parsons, L. Max Thatcher, and Lee J. Clark. "Preview of Alfalfa Variety Demonstration, Safford." College of Agriculture, University of Arizona (Tucson, AZ), 1985. http://hdl.handle.net/10150/200501.
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Tickes, Barry R. "Wheat Variety Demonstration, Yuma Valley Agricultural Center." College of Agriculture, University of Arizona (Tucson, AZ), 1985. http://hdl.handle.net/10150/200476.
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Ornedo, Renato. "Concept and demonstration : a reconfigurable control system for nuclear power plants." Thesis, Massachusetts Institute of Technology, 1986. http://hdl.handle.net/1721.1/15067.
Full textAbstract:
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1986.MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE
Bibliography: v.2, leaves 294-303.
by Renato Salang Ornedo.
Ph.D.
10
Cluff, Ronald, David Parsons, Max Thatcher, and Lee Clark. "Alfalfa Variety Demonstration Safford Agricultural Center, 1985." College of Agriculture, University of Arizona (Tucson, AZ), 1986. http://hdl.handle.net/10150/200541.
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Clark, L. J., E. Schwennesen, and R. E. Cluff. "Pinto Bean Variety Demonstration in Bonita, Graham County, 1989." College of Agriculture, University of Arizona (Tucson, AZ), 1990. http://hdl.handle.net/10150/201370.
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Six pinto bean varieties were tested in the Bonita area of Graham county with excellent results, three of these varieties yielded over 3000 pounds per acre. These yields coupled with bean values above 30 cents per pound have created considerable interest in growing dry beans in Cochise and parts of Graham county.
12
Hercules, Selwyn Mark. "Full scale demonstration of filamentous bulking control at a biological nutrient removal activated sludge plant." Master's thesis, University of Cape Town, 2002. http://hdl.handle.net/11427/5040.
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Clark, L. J., E. W. Carpenter, and R. E. Cluff. "Alfalfa Variety Demonstration at the Safford Agricultural Center, 1991." College of Agriculture, University of Arizona (Tucson, AZ), 1992. http://hdl.handle.net/10150/201363.
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Yields are given for 20 varieties of alfalfa grown at the Safford Agricultural Center. Yields were down slightly from 1990. Mecca retained its number one position with a yield of 9.22 tons per acre and yielded nearly 4.4 tons per acre more than Cuf 101, over the four years of the trial.
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Clark, L. J., E. W. Carpenter, and R. E. Cluff. "Alfalfa Variety Demonstration at the Safford Agricultural Center, 1990." College of Agriculture, University of Arizona (Tucson, AZ), 1991. http://hdl.handle.net/10150/201372.
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Yields are given for 22 varieties of alfalfa grown at the Safford Agricultural Center. Yields were 2 to 3 tons lighter than those in 1989. Mecca retained its number one position with a yield of 8.86 tons per acre and a total of five varieties had yields above 8 tons per acre. It is of interest to note that three of the top five varieties were developed by the Plant Genetics group in California.
15
Yuen, Siu-hei Lawrence, and 袁兆禧. "Sustainability refines architecture: a demonstration project in Wanchai." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31986250.
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Tickes, Barry, and Mike Ottman. "Wheat Variety Demonstration in Roll, 1987." College of Agriculture, University of Arizona (Tucson, AZ), 1987. http://hdl.handle.net/10150/203808.
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Clark, L. J., V. Marcarian, and R. E. Cluff. "Pinto Bean Variety Demonstration in Bonita, Graham County, 1990." College of Agriculture, University of Arizona (Tucson, AZ), 1991. http://hdl.handle.net/10150/201362.
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Nine pinto bean varieties were tested in the Bonita area of Graham county as a follow up to the tests the previous two years. The top yield in 1990 was nearly 1700 pounds per acre compared with 3200 to 3000 for 1989 and 1988, respectively. Late planting early frost and bean rust all figured into the reduced yields. Additionally, a replicated, small plot test was planted to eleven different species of beans as diverse as garbanzo, lima and kidneys. Yield results and comments on these beans adaptability to the area are included in this report.
18
Clark, L. J., and R. E. Cluff. "Feed Wheat Variety Demonstration in Graham County, 1989." College of Agriculture, University of Arizona (Tucson, AZ), 1989. http://hdl.handle.net/10150/201013.
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Two wheat varieties were grown in Graham county as a follow -up to a previous field demonstration. AC79-97, a red wheat developed by the University of Arizona for the Safford area, yielded 6719 pounds per acre, compared with 6359 pounds per acre for Super-X. The protein differential made the crop values even more important than the yield comparison. AC79-97 produced $454 per acre, compared to $423 for Super-X. Using two year's data, AC79-97 produced 85 more pounds of protein per acre than Super-X, with a protein supplement replacement value of $28 per acre.
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Clark, L. J., R. E. Cluff, and E. W. Carpenter. "Alfalfa Variety Demonstration at the Safford Agricultural Center, 1988." College of Agriculture, University of Arizona (Tucson, AZ), 1989. http://hdl.handle.net/10150/201012.
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A new alfalfa variety trial was planted in the fall of 1987to replace the previous four-year trial. The top varieties from the previous trial were placed in the new trial, along with new, promising varieties. A single year's data is insufficient to judge the performance of a variety during its useful years of production. The data simply indicate performance in their first year. Pioneer 5929, the variety that had the best overall yield in the previous trial (1), performed well in this trial as well. However, Mecca, a new variety from Plant Genetics, Inc., had the highest yield.
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Clark, L. J., E. W. Carpenter, and R. E. Cluff. "Alfalfa Variety Demonstration at the Safford Agricultural Center, 1989." College of Agriculture, University of Arizona (Tucson, AZ), 1990. http://hdl.handle.net/10150/201019.
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Yields by cutting are given for 22 varieties of alfalfa grown at the Safford Agricultural Center. Yields were good in 1989 with 9 of the varieties yielding over 10 tons per acre in 7 cuttings and the top variety yielding 12 tons per acre. Graphs are shown comparing yields by cutting between sister varieties of differing fall dormancy classes.
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Clark, L. J., and R. E. Cluff. "Alfalfa Variety Demonstration at the Safford Agricultural Center, 1984-87." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/200812.
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Twenty non - and very non - dominant alfalfa varieties were compared over three seasons. The top - yielding variety, Pioneer 5929, has maintained this position for the last three years. The yields decreased considerably from the previous year, however. Part of the loss can be attributed to the sacrifice of the first cutting because of damage by the Egyptian alfalfa weevil. Pioneer 5929 was the top -yielding variety during the entire trial, producing more than 30 tons per acre. Four other varieties produced more than 28 tons per acre: Ardiente by Agripro; Pierce by Northrup King, Palmer Special by the Palmer brothers of Graham county; and Safford 80 LH.
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Clark, Lee, and Ronald Cluff. "Alfalfa Variety Demonstration at the Safford Agricultural Center, 1984-1986." College of Agriculture, University of Arizona (Tucson, AZ), 1987. http://hdl.handle.net/10150/203796.
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Twenty non- dormant and very non -dormant alfalfa varieties were compared over three seasons. A very non -dormant variety Pioneer 5929 yielded the most during the 1986 season, with a yield approaching 12 tons per acre in six cuttings.
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Tickes, Barry, and Mike Ottman. "Wheat and Barley Variety Demonstration - 1986 - TLM Farms - Yuma, AZ." College of Agriculture, University of Arizona (Tucson, AZ), 1986. http://hdl.handle.net/10150/200548.
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On farm variety demonstrations are conducted by the Cooperative Extension Service to demonstrate the commercial potential of new and established varieties of wheat and barley when grown under various environmental and management conditions. As part of an ongoing variety demonstration program conducted in Yuma County, Arizona for the past 20 years, this study was conducted at TLM Farms on the south Yuma Mesa on extremely coarse-textured sandy soils under sprinkler irrigation. Five hard red spring wheat, six durum and four barley varieties were evaluated under TLM Farms management using 13 ft x 275 ft randomized plots with four replications. Statistically significant yield differences were measured that suggest, when compared to previous and other studies, that variety performance on coarse textured, sprinkler-irrigated soils is different than on finer textured flood-irrigated soils.
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Chang, Yin-Jung. "Optical Interconnects for In-Plane High-Speed Signal Distribution at 10 Gb/s: Analysis and Demonstration." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-11182006-155605/.
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Thesis (Ph. D.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2007.Gee-Kung Chang, Committee Chair ; Thomas K. Gaylord, Committee Co-Chair ; Glenn S. Smith, Committee Member ; John A. Buck, Committee Member ; Ali Adibi, Committee Member ; C. P. Wong, Committee Member.
25
Kuriakose, Tintu. "Demonstration of the spatial self-trapping of a plasmonic wave." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCD029/document.
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Cette thèse est une contribution au domaine de recherche de la plasmonique nonlinéaire, domaine émergent de l'optique. L'objectif principal est de démontrer expérimentalement l'autofocalisation d'une onde plasmonique.L'étude débute avec la fabrication et la caractérisation de guides plans en verre de chalcogénure de composition Ge-Sb-Se. Une technique basée sur la formation de solitons spatiaux est développée afin d’estimer leurs non-linéarités Kerr. Les propriétés optiques linéaires et non linéaires de ces guides sont étudiées aux longueurs d’onde de 1200 nm et 1550 nm.Des structures plasmoniques sont ensuite conçues pour propager des ondes hybrides plasmon-solitons avec des pertes de propagation modérées. Elles sont constituées des guides précédents recouverts de nanocouches de silice et d'or.Les caractérisations optiques par couplage plasmon-soliton révèlent une forte autofocalisation subie par l’onde qui se propage à l'intérieur de la structure plasmonique. Comme prévu par la théorie, le comportement est présent uniquement pour une lumière polarisée TM. Des résultats expérimentaux détaillés de cette autofocalisation exaltée par effet plasmonique sont présentés pour différentes configurations. Des simulations confirment les résultats expérimentaux obtenus.Cette démonstration fondamentale vient confirmer le concept d’autofocalisation assistée par plasmon tout en révélant un effet nonlinéaire très efficace. Cela ouvre de nouvelles perspectives pour le développement de dispositifs photoniques non linéaires intégrés ainsi que de nouveaux phénomènes physiquesThis dissertation contributes to the research area of nonlinear plasmonics an emerging field of optics. The main goal is to demonstrate experimentally the spatial self-trapping of a plasmonic wave.The study begins with the fabrication and the characterization of slab Ge-Sb-Se chalcogenide waveguides. A technique based on the formation of spatial solitons is developed to estimate their Kerr nonlinearities. Linear and nonlinear optical properties of the waveguides are studied at the wavelengths of 1200 nm and 1550 nm.Plasmonic structures are then designed to propagate hybrid plasmon-soliton waves with moderate propagation losses. They are constituted of the previous waveguides covered with nanolayers of silica and gold.Optical characterizations reveal a giant self-focusing undergone by the wave that propagates inside the plasmonic structure. The behavior is present only for TM polarized light as expected from theory. Detailed experimental results of this plasmon enhanced nonlinear self-trapping corresponding to different configurations are presented. Simulations confirm the obtained experimental results.This fundamental demonstration confirms the concept of plasmon-assisted self-focusing while revealing a very efficient nonlinear effect. This opens new perspectives for the development of integrated nonlinear photonic devices as well as new physical phenomena
26
dePalma, Nicholas Brian. "Task transparency in learning by demonstration : gaze, pointing, and dialog." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34702.
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This body of work explores an emerging aspect of human-robot interaction, transparency. Socially guided machine learning has proven that highly immersive robotic behaviors have yielded better results than lesser interactive behaviors for performance and shorter training time. While other work explores this transparency in learning by demonstration using non-verbal cues to point out the importance or preference users may have towards behaviors, my work follows this argument and attempts to extend it by offering cues to the internal task representation.
What I show is that task-transparency, or the ability to connect and discuss the task in a fluent way implores the user to shape and correct the learned goal in ways that may be impossible by other present day learning by demonstration methods. Additionally, some participants are shown to prefer task-transparent robots which appear to have the ability of "introspection" in which it can modify the learned goal by other methods than just demonstration.
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Raymer, Josiah Shane. "Gulf coast barrier island restoration public demonstration and education, production practices for the beach plant Iva imbricata, and restoration with composite plantings /." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0013413.
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Clark, L. J., and R. E. Cluff. "Feed Wheat Variety and Rate of Planting Demonstration in Graham County, 1988." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/200839.
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Three varieties of feed wheat were compared in an on farm demonstration in the Safford valley. AC79 -97, developed by the University of Arizona for the Safford area,produced the largest amount of high protein feed Comparing 200 and 300 pound per acre seeding rates, both AC79 -97 and Super -X yielded slightly more grain at the 200 pound rate than at the 300 pound rate. Yolo, a feed wheat variety that has done well in the Sacramento valley in California, yielded slightly lower than the Super-X.
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Husman, S. H., and M. J. Ottman. "Field-scale Demonstration of Prevention of HVAC Dockage in Kronos Durum by Late Season Nitrogen Application." College of Agriculture, University of Arizona (Tucson, AZ), 1998. http://hdl.handle.net/10150/208273.
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Grain quality is important to growers and buyers of durum. Growers are usually docked if their HVAC drops below 90% or their grain protein is below 13 %. The purpose of this study was to demonstrate the ability of nitrogen fertilizer application near flowering to increase HVAC and grain protein. Six commercial sites were chosen for this study and Kronos was the variety. The application of about 50 pounds of nitrogen per acre increased HVAC by from 81 to 93% and increased grain protein from 11.2 to 12.3% on average, similar to results obtained in the past.
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Smith, Tania. "The Newmed business simulation : the development of the business plan as a tool to demonstrate the importance of business principle application." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/52000.
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Thesis (MBA)--Stellenbosch University, 2000.Some digitised pages may appear cut off due to the condition of the original hard copy.
ENGLISH ABSTRACT: The NewCo Medical company (NewCo ) is a simulated manufacturing and marketing company. It manufactures plastic utility goods in the health and baby-care industries, and proceeds to market these goods globally. NewCo intends to raise money in order to fund its operations and marketing drive, since it is poised for huge and imminent growth. The business simulation intends to demonstrate the value and effectiveness of the business plan, and to encourage the reader to investigate the issues that pertain to the successful operation of a business, beyond its description in the business pIan. The reader is invited to analyse the business pIan and its proposed strategies, bearing in mind that the pIan has been developed and presented with a potential investor in mind. This exercise should create an awareness of the importance of a due diligence to be performed before any investment decision can be made.
AFRIKAANSE OPSOMMING: geen
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Elges, Pamela Mari. "Teacher candidates' misconceptions of effective teaching as they demonstrate abilities to plan, teach, and assess for student learning : a multiple cross-case analysis /." abstract and full text PDF (UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3280749.
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Thesis (Ph. D.)--University of Nevada, Reno, 2007."August, 2007." Includes bibliographical references (leaves 164-177). Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2008]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.
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Gipson, Linda Stephens. "The Impact of Managed Care on the Utilization and Distribution of Inpatient Surgical Procedures with Demonstrated Volume and Outcome Endogeneity." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3118.
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Abstract
Purpose
This study is designed to determine whether managed care has had an influence on the number and distribution of procedures with demonstrated volume and outcome endogeneity in Florida healthcare markets; in addition, methods are developed to determine which measures of managed care activity best predict the impact of managed care on surgical procedure utiliation.
Rationale
A shift in surgical procedure volume on the basis of preferred provider arrangements has the potential to redistribute surgical procedures within hospital markets. The surgical procedures for which such a distribution could have the greatest impact on population health are those for which the volume of cases performed has a strong inverse influence on the outcomes observed. A shift in high risk surgical procedures to low volume hospitals could potentially reduce the number of cases performed at high volume centers and increase cases at low volume centers, adversely impacting quality in both.
Methods
A retrospective population based cohort design is used to capitalize on the variability among Florida metropolitan statistical areas between 1995 and 1999, a period which captured the full business life cycle of managed care plans in Florida. Multiple regression models are used to measure the impact of changes in managed care activity as measured by penetration, index of competition and consolidation on the change in the number and distribution of seven procedures for which volume is associated with patient outcome, controlling for socio-demographic and market factors known to influence surgical procedure utilization. Difference scores derived for each of the model variables were used to measure change from the baseline in 1995 to 1999. Post hoc analysis of the count data models was performed using the cases from all study years in a log linear generalized estimating equation to provide validation of the difference score approach.
Key Findings
Study procedure volume increased over the period, and remained a consistent proportion of the total inpatient surgical procedure volume. Procedure rate remained stable over the study period with substantial small area variation. Change in managed care concentration was consistently and negatively associated with procedure volume at both the MSA (&betaâ&beta = -19.67; p = 0.0489) and hospital level (&betaâ&beta = -4.088; p = 0.0027).Change in the total population and the number of specialty surgeons had a substantial, consistent and positive relationship to change in procedure volume at both the market and hospital level. The change in the index of competition was positively associated with change in hospital market share (&betaâ&beta = 0.1005; p = 0.05); whereas, neither change in managed care penetration nor change in managed care index of competition was predictive of change in procedure volume at the market level. The managed care variables were not correlated when difference scores were tested providing evidence that the managed care variables measure different constructs and behave differently.
Implications
As markets for managed care became more concentrated, the number of surgical procedures with volume and outcome endogeneity declined; the specific reasons for the observed decline require additional study. Competitive managed care markets have a favorable impact on hospital market share for these high risk, high margin procedures. Studies of managed care require consideration of the stage of managed care development in order to understand its influence and the use of difference scores as a method to measure change over time has substantial potential for the study of health care markets.
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Ordem, Jacinto. "Prova e demonstração em Geometria Plana: concepções de estudantes da licenciatura em ensino de Matemática em Moçambique." Pontifícia Universidade Católica de São Paulo, 2015. https://tede2.pucsp.br/handle/handle/11035.
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This research aims to analyze the conceptions of proof and demonstration in plane geometry among undergraduate students in mathematics teaching at Pedagogical University of Mozambique. It is a qualitative research whose data collecting procedure was based on a questionnaire and interviews. The questionnaire consisted of a sequence of tasks requiring the production of proofs and demonstrations, and the evaluation of methods of proofs by the subjects, at first. In a second step, the same subjects are interviewed about their own productions their responses. To carry out this part of study, each subject talks with the researcher about what he/she did, seeing to understand in depth the sense of his/her productions. This data collecting, articulating the questionnaire and the interviews, that we call triangulation of method, a terminology borrowed from Araújo and Borba (2006). Attended the research 19 prospective teachers in their 4th year of training in Mathematics Teaching, for final series of basic education Secondary education from Nampula and Beira Campus. Yet, took part of methodological procedures the didactical analyzes (a priori and a posteriori analyzes) of tasks designed for the questionnaire. As a theoretical framework of the study, we used the ideas of Paradigms and Geometrical Workspace proposed by Houdement and Kuzniak; the Type of Proofs, proposed by Balacheff, and Proof Schemes advanced by Harel and Sowder. The analysis of results showed that: (i) the subjects did not show consistent strategies of production of demonstrations, nor justifications with plausible mathematical foundation their strategies seem to be more influenced by didactical textbooks adopted in elementary school geometry. (ii) the subjects deal with proofs and demonstrations another topic of mathematics learning and not as means of communication and mathematical validation. (iii) the subjects do not use consistent criteria for evaluate proofs and demonstrations. (iv) our subjects have conception that proof and demonstration are simple rituals dissociated from one of its main roles, that of validating true properties and conjectures, or rejecting false conjectures. The study also showed that among subjects, reins the conception that there are empirical methods that validate geometrical properties, even if they are not demonstrations, and empirical methods that do not validate geometrical properties, depending on the type instrument used. In our perspective, we can say that this research is a valuable contribution to Mathematics Education, in general, and, particularly to the Mozambican context, if we consider that research of this kind is scarce in Mozambique. Therefore, we believe that the results of the study may contribute to rethink about the way geometry is seen at Pedagogical University of Mozambique
Esta pesquisa tem como objetivo analisar as concepções de prova e demonstração em geometria plana de estudantes de Licenciatura em matemática da Universidade Pedagógica de Moçambique. É uma pesquisa de natureza qualitativa, cujo procedimento de coleta de dados se baseou em questionário e em entrevistas. O questionário é composto por uma sequência de tarefas exigindo a produção de provas e demonstrações e a avaliação de métodos de prova pelos sujeitos da pesquisa, em um primeiro momento. Em um segundo momento, os mesmos sujeitos são entrevistados sobre suas próprias produções suas respostas. Para levar a cabo esta parte da pesquisa, cada sujeito conversa com o pesquisador sobre aquilo que fez, procurando-se perceber a fundo o sentido de suas produções. É essa coleta de dados articulando o questionário e as entrevistas que damos o nome de triangulação de método, terminologia emprestada de Araújo e Borba (2006). Participaram da pesquisa 19 futuros professores do 4° ano da Licenciatura em Ensino da Matemática, para séries finais do ensino básico Ensino secundário das delegações de Nampula e Beira. Ainda fez parte dos procedimentos metodológicos análises didáticas (a priori e a posteriori) das tarefas concebidas para o questionário. Como referencial teórico, utilizamos as ideias de Paradigmas e Espaço de Trabalho Geométricos propostas por Houdement e Kuzniak; os Tipos de Prova propostos por Balacheff e os Esquemas de Prova avançados por Harel e Sowder. A análise dos resultados mostrou que: (i) os sujeitos não mostraram estratégias consistentes de produção de demonstrações, nem justificativas com embasamento matemático plausível suas estratégias parecem mais influenciados pela abordagem da geometria nos livros didáticos adotados no ensino fundamental. (ii) os sujeitos lidam com provas e demonstrações como mais um tópico de aprendizagem em matemática e não como meio de comunicação e de validação em matemática. (iii) os nossos sujeitos não utilizam critérios consistentes para avaliar provas e demonstrações. (iv) os sujeitos da pesquisa têm uma concepção de que provas e demonstrações são simples rituais dissociadas de uma de suas funções principais, a de validar propriedades e conjecturas verídicas, ou de refutar conjecturas falsas. O estudo revela ainda que, entre os sujeitos da pesquisa, reina a concepção de que existem métodos empíricos que validam propriedades geométricas, mesmo que não sejam demonstrações, e métodos empíricos que não validam propriedades geométricas, consoante o tipo de instrumento utilizado. Em nossa perspectiva, podemos dizer a pesquisa é um contributo valioso para a Educação Matemática, em geral, e, particularmente para o contexto moçambicano, se atendermos que pesquisas deste gênero pouco se tem falado de sua realização para o público alvo a que ela esteve voltada. Portanto, acreditamos que os resultados podem levar a se repensar sobre o quadro institucional a que a disciplina de Geometria plana é encarada na Universidade Pedagógica de Moçambique
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Hartmann, Tobias [Verfasser], Thomas [Akademischer Betreuer] Hamacher, Hartmut [Akademischer Betreuer] Zohm, and Sibylle [Akademischer Betreuer] Günter. "Development of a Modular Systems Code to Analyse the Implications of Physics Assumptions on the Design of a Demonstration Fusion Power Plant / Tobias Hartmann. Gutachter: Hartmut Zohm ; Thomas Hamacher ; Sibylle Günter. Betreuer: Thomas Hamacher." München : Universitätsbibliothek der TU München, 2013. http://d-nb.info/1037820592/34.
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BUSNEL, DANIEL. "Etude partielle de comportements d'eleves en situation de construction geometrique et de demonstration mathematique dans le cadre de la geometrie euclidienne plane au college (vers un reperage des facteurs d'echec)." Paris 7, 1989. http://www.theses.fr/1989PA077235.
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La recherche se presente en deux parties. Dans la premiere partie nous avons elabore un modele des situations de demonstration mathematique qui nous a permis d'envisager a priori differentes procedures suivies par des eleves de college. Trois experiences nous ont alors montre l'importance des parametres linguistiques et eclaire sur les difficultes rencontrees par les eleves. Le role des figures lors de la recherche d'une demonstration nous est aussi apparu clairement. Dans la seconde partie, nous avons etudie la structure des enonces d'exercices de geometrie proposes dans les manuels scolaires en soulignant le statut qu'ils accordent a la construction de figure. Nous avons ensuite analyse les fonctions de la figure liee a un exercice de geometrie (fonction de communication, de representation,. . . Etc. ). Nous avons alors elabore un modele explicatif de l'activite construire une figure et en avons deduit un ensemble de causes d'echec possibles. Grace a ce modele nous avons pu reperer lors d'experiences les facteurs d'echec des eleves en situation de construction. Nos travaux nous ont permis de mettre en evidence l'importance d'un champ de connaissances extra-mathematiques (connaissances langagieres, de techniques de constructions,. . . Etc. ) dans l'apprentissage de la construction et de la demonstration
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Almeida, Julio Cesar Porfirio de. "Argumentação e prova na matemática escolar do ensino básico: a soma das medidas dos ângulos internos de um triângulo." Pontifícia Universidade Católica de São Paulo, 2007. https://tede2.pucsp.br/handle/handle/11502.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
This study is about the demonstration of amount of measure the internal angles of triangles made by 8th grade from Fundamental School and the First year of High School, from of resolution of two specified questions. This work intends to contribute with the Argumentation and Proof in School Mathematics project (AprovaME), that has as one of objectives the mapping of conceptions about teenager s argumentation and proofs in public and private schools of São Paulo (state) For this was made a questionnaire in two books, five questions of Algebra and with five questions of Geometry. They were given to 1998 pupils aged between 14 and 16 years. The two analyzed questions are in the Geometry notebook. After checking the given information, took out 50 pupils as sample, that answers were classified in four progressive levels according their form of argument used in evolution of the Pragmatic proof (first principles methods of verification) to the Intellectual proof (elaborations of reasoning from logical-deduction nature and the production of explanation characterized as mathematics demonstration). In the following phase these pupils were put in groups according with the types of answers presented, to do the individual interviews aiming explanations about their choose. Finish the work a conclusive survey based in the results of the analysis, where are suggested forms of approach of subject Proofs and Demonstrations in the classroom, contemplating the execution of dynamic activities that give privilege the construction of mathematically consistent argument based in the expression of generalized reasoning
Este estudo trata da demonstração da soma da medida dos ângulos internos de um triângulo por alunos da oitava série do Ensino Fundamental e da primeira série do Ensino Médio, a partir da resolução de duas questões específicas. Procura contribuir com o Projeto Argumentação e Prova na Matemática Escolar (AprovaME), que tem como um de seus objetivos o mapeamento das concepções sobre argumentação e prova de alunos adolescentes em escolas públicas e particulares do Estado de São Paulo. Para esse levantamento foi elaborado um questionário contendo, em dois cadernos, cinco questões de Álgebra e cinco de Geometria, aplicados a 1998 alunos na faixa etária entre 14 e 16 anos. As duas questões analisadas estão inseridas no caderno de Geometria. Após a tabulação das informações coletadas, extraiu-se dessa população uma amostra de 50 alunos, cujas respostas foram classificadas em quatro níveis progressivos quanto às formas de validação dos argumentos empregados numa evolução da categoria Prova Pragmática (métodos rudimentares de verificação) à Prova Intelectual (elaboração de raciocínios de natureza lógico-dedutiva e produção de explicações caracterizadas como demonstrações matemáticas). Na etapa seguinte, esses alunos foram agrupados de acordo com os tipos de resposta apresentados para a realização de entrevistas individuais visando à obtenção de esclarecimentos adicionais sobre suas escolhas. Encerra o trabalho um panorama conclusivo baseado no resultado da análise em que são sugeridas formas de abordagem do tema Provas e Demonstrações em sala de aula, contemplando a realização de atividades dinâmicas que privilegiem a construção de argumentos matematicamente consistentes, fundamentados na expressão de raciocínios generalizadores
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Bäckström, Kristoffer. "The Role of Public Policies for Energy Technology Development : Their Innovation Effects and Interaction." Licentiate thesis, Luleå tekniska universitet, Samhällsvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26731.
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The overall purpose of this thesis is to analyze the role of public policies for technological development (i.e., innovation) in the renewable energy sector. The thesis consists of an introductory part and three self-contained papers. Paper I investigates the innovation effects of renewable energy support policies and their interaction in the empirical context of solar photovoltaic (PV) technology. This is achieved by using data on solar PV patent counts and policies targeting solar PV development across 13 countries over the time period 1978-2008. These policies include public R&D support to solar PV as well as two different types of production support schemes: feed-in tariffs (FIT) and renewable energy certificates (REC). The data are applied to a negative binomial model and the results indicate that: (a) both FIT and REC schemes stimulate solar PV patenting activity although the impact of the former is of a larger magnitude; (b) public R&D has been more influential than the production support schemes in inducing solar PV innovation; and (c) policy interaction exists in that the innovation effect of public R&D support is greater at the margin if it is accompanied by the use of FIT schemes for solar PV. Paper II analyzes the role of pilot and demonstration plants (PDPs) in technological development. As surprisingly little explicit attention has been devoted to this issue in prior research, the existing literature is synthesized and categorized, and an agenda is proposed for future work. Scholarly work on PDPs can be found across several research fields and the discussion in the paper is organized around three research streams: engineering and natural science research, technology and innovation management, and innovation systems. Based on searches in key bibliographic databases more than 200 publications were identified and reviewed. According to the literature synthesis, the plants bridge basic knowledge generation and technological breakthroughs on the one hand (promoted by public R&D support), and exploitation of new technology for commercial use on the other (promoted by production support schemes). Still, more research on the subject is needed. For instance, the role of PDPs for inducing innovation needs to be assessed in a rigorous empirical setting as this issue has only been researched in conceptual studies or retrospective case studies based entirely on qualitative or descriptive approaches. Paper III provides an econometric analysis of the innovation impacts of publicly funded PDP activities in the case of advanced biofuel technology. This is achieved by using data on biofuel patent counts and PDPs across eight European countries over the time period 1980-2011. It is acknowledged that PDPs have two main objectives: testing and optimization of technology (experimental PDPs), and diffusion and commercialization of technology (exemplary PDPs). The data are applied to a negative binomial model and indicate that: (a) PDP activities are overall positively correlated with biofuel patents; (b) experimental PDPs are more innovation-promoting than exemplary PDPs; and (c) experimental PDP activities encourage innovation also indirectly through knowledge spillovers. The overall conclusion is that environmental policy encourages renewable energy innovation. Public R&D support as well as production support schemes are important for inducing innovation, and there are interactions between these policy types which must be acknowledged when designing public support. As public R&D support is more innovation-promoting when accompanied by the use of certain production support schemes, these policies should be employed simultaneously. Moreover, publicly funded PDP activities foster innovation and thus, their role must also be acknowledged when designing public policy.
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Pech, Jiří. "Realizace podnikatelského záměru ve stavebnictví." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226833.
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The main motivation for the business is making profits. For the creation of profit is the need to have a business plan. In order to have a successful business plan, we have to prepare it correctly, and then drive. The entire work is focused on the production, placing on the market and the management of the business plan. At the beginning of the introduction into the environment, and then everything is shown in a particular case. The aim is to show how to do this when you create a business plan, what pitfalls can occur and, above all, from the complex situation do the advantage.
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Hammarström, Anton. "Utvärdering av potential för värmeåtervinning från laborationsutrustning : Möjligheten att använda en kylvattenbassäng som termiskt säsongslager." Thesis, Mittuniversitetet, Avdelningen för kemiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-34309.
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HETA utbildningar i Härnösand har ett ångkraftverk för undervisningssyfte som kyls ner med vatten från en underjordisk bassäng på cirka 329 m³. Syftet med detta examensarbete har varit att undersöka hur bassängen med spillvärmen från kraftverket kan användas som ett säsongslager i kombination med en befintlig 7,8 kW värmepump för att värma upp maskinhallen i deras laboratoriebyggnad. Ett kalkylark skapades i Microsoft Excel för att kunna genomföra beräkningarna. Då mätdata saknades skapades ett simulerat scenario baserat på temperaturstatistik och körschema för kraftverket från år 2017. Transmissionsförluster beräknades för bassängen och maskinhallen. För bassängen användes mestadels observationsdata och kännedom hos personalen, medan maskinhallens isolering i huvudsak fick uppskattas efter byggår. Resultatet blev att värmepumpen med aktuellt körschema kunde täcka cirka 45 % av maskinhallens årliga uppvärmningsbehov. Av de 276 GJ som tillfördes genom kylning av ångkraftverket under ett år beräknades endast 2,7 % kunna utnyttjas till uppvärmning av maskinhallen, på grund av för lite isolering i bassängen. De största begränsningarna för högre täckning och större nyttjande av spillvärmen bedömdes vara placeringen i tid av kraftverkets körningar, och värmepumpens effekt. Om körningarna skulle förläggas i huvudsak till november–april och värmepumpen ersättas med en på 10 kW, skulle 74 % av värmebehovet kunna täckas och över 18 % av spillvärmen utnyttjas. Andra saker som förbättrad isolering i bassängen och större vattenvolym bedömdes också kunna förbättra bassängens kapacitet som energilager.HETA Education in Härnösand has a steam power plant for educational purposes which is cooled with water from a 329 m³ underground basin. The purpose of this thesis has been to examine how the basin with the waste heat can be used as seasonal thermal energy storage with an existing 7.8 kW heat pump in order to heat the machine room of their lab building. A spreadsheet was created in Microsoft Excel in order to carry out the calculations. As no measurement data was available, a simulated scenario was created based on temperature statistics and the operating schedule for the power plant from the year 2017. Transmission losses were calculated for the basin and the machine room. For the basin, mostly observational data and knowledge among the staff were used, while the insulation for the machine room mainly had to be estimated based on the construction year. The result was that the heat pump, with the current operating schedule, could cover around 45% of the yearly heating demand of the machine room. Of the 276 GJ that were added through cooling of the power plant during a year, according to calculations, only 2,7% could be used for heating the machine hall, due to lacking insulation in the basin. The greatest limitations for achieving a higher heating coverage and a greater usage of the waste heat were assessed to be the placement in time of the power plant runs, and the effect of the heat pump. If the runs would be placed mainly in November–April, and the heat pump replaced with a 10 kW one, around 74% of the heating demand could be covered and 18 % of the waste heat used. Other things, such as increased insulation in the basin and larger water volume were also assessed to be able to increase the capacity of the basin as heat storage.
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Pandey, Amit kumar. "Towards Socially Intelligent Robots in Human Centered Environment." Thesis, Toulouse, INSA, 2012. http://www.theses.fr/2012ISAT0032/document.
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Bientôt, les robots ne travailleront plus de manière isolée mais avec nous. Ils entrent peu à peu dans notre vie de tous les jours pour coopérer, assister, aider, servir, apprendre, enseigner ou même jouer avec l'homme. Dans ce contexte, nous considérons que ce ne doit pas être à l'homme de s'adapter au robot. Au contraire, le robot doit être capable d'intégrer, dans ses stratégies de planification et de décision, différents facteurs d'effort et de confort et de prendre en compte les préférences et désirs de l'homme ainsi que les normes sociales de son environnement. Tout en respectant les principes de sécurité réglementaire, le robot doit se comporter, naviguer, manipuler, communiquer et apprendre d'une manière qui soit pertinente, acceptée et compréhensible par l'homme. Cette thèse explore et définit les ingrédients clés nécessaires au robot pour développer une telle intelligence socio-cognitive. Elle définit également un cadre pour l'interaction homme-robot permettant de s'attaquer à ces challenges dans le but de rendre le robot socialement intelligentRobots will no longer be working isolated from us. They are entering into our day-to-day life to cooperate, assist, help, serve, learn, teach and play with us. In this context, it is important that because of the presence of robots, the human should not be on compromising side. To achieve this, beyond the basic safety requirements, robots should take into account various factors ranging from human’s effort, comfort, preferences, desire, to social norms, in their various planning and decision making strategies. They should behave, navigate, manipulate, interact and learn in a way, which is expected, accepted, and understandable by us, the human. This thesis begins by exploring and identifying the basic yet key ingredients of such socio-cognitive intelligence. Then we develop generic frameworks and concepts from HRI perspective to address these additional challenges, and to elevate the robots capabilities towards being socially intelligent
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Rubens, Todd F. "Pilot plant demonstration of the A²O process." 1994. http://catalog.hathitrust.org/api/volumes/oclc/30950710.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1994.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 141-142).
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Cosby, Cheri Charlene. "Actions of plant estrogens on breast cancer cells as demonstrated by flow cytometry." Thesis, 2006. http://hdl.handle.net/1828/1877.
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The activity of plant estrogens, genistein (GEN) and enterolactone (ENL), on mammalian cells is not well understood. Previously, they have been shown to exhibit a biphasic effect, being stimulatory at low doses and inhibitory at high doses. Therefore, consumption of plant estrogens by women with breast cancer has become controversial. Simplified flow cytometry applications to quantify the degree of proliferation and apoptosis were used to measure differentiation and growth inhibitory properties of GEN and/or ENL on two estrogen receptor-positive, MCF-7 and T47D, and two estrogen receptor-negative, MDA-MB-231 and MDA-MB-468, breast cancer cell lines in the presence and absence of I7β-estradiol (E2). Activity in the presence of 4-hydroxytamoxifen (OHT) was also evaluated. A live cell assay using propidium iodide (PI) and fluorescein diacetate was used for evaluation of live, apoptotic and necrotic populations. The biological activity of ENL and GEN in tissue culture was confirmed by MTT assay. An Annexin V/PI live cell assay confirmed the presence and degree of apoptosis. No effect was seen at lower doses, ie. less than 10µM and 5011M in estrogen receptor-positive, ER (+), cells and decreased viability was seen at ENL 10 µM in one estrogen receptor-negative, ER (-), cell line. A significant reduction in viability was seen with treatments of 100 µM of ENL and GEN in both ER (+) cell lines. The effect of combining E2 with treatments of GEN 50 and 100 µM was a reduction in viability in one ER (+) cell line. The effect of combining treatments of low doses of ENL and GEN (10 MM) resulted in a reduction in viability in one ER (+) and one ER (-) cell line. Treatment of ER (+) breast cancer cell lines with low dose GEN (10 µM) and high dose ENL and GEN (50 MM) combined with low dose OHT (10 µM ) reduced viability in excess OHT 10 µM alone. High dose OHT (50 µM ) significantly reduced viability in all cell lines. However, when high dose OHT was combined with low dose ENL and GEN, there was an effect of rescuing ER (-) cells from OHT-induced apoptosis and necrosis. Although the use of high dose OHT is not typically used to treat ER (-) breast cancer, these results suggest the action of plant estrogens is more varied than previously thought. This work supports the notion that there may be dissimilarity in the actions between ENL and GEN which may warrant separate recommendations regarding dietary consumption, especially in women with breast cancer.
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Peddi, Phani 1987. "Pilot-Scale Demonstration of hZVI Process for Treating Flue Gas Desulfurization Wastewater at Plant Wansley, Carrollton, GA." Thesis, 2011. http://hdl.handle.net/1969.1/148465.
Full textAbstract:
The hybrid Zero Valent Iron (hZVI) process is a novel chemical treatment platform that has shown great potential in our previous bench-scale tests for removing selenium, mercury and other pollutants from Flue Gas Desulfurization (FGD) wastewater. This integrated treatment system employs new iron chemistry to create highly reactive mixture of Fe^0, iron oxides (FeOx) and various forms of Fe (II) for the chemical transformation and mineralization of various heavy metals in water. To further evaluate and develop the hZVI technology, a pilot-scale demonstration had been conducted to continuously treat 1-2 gpm of the FGD wastewater for five months at Plant Wansley, a coal-fired power plant of Georgia Power. This demonstrated that the scaled-up system was capable of reducing the total selenium (of which most was selenate) in the FGD wastewater from over 2500 ppb to below 10 ppb and total mercury from over 100 ppb to below 0.01 ppb. This hZVI system reduced other toxic metals like Arsenic (III and V), Chromium (VI), Cadmium (II), Lead (II) and Copper (II) from ppm level to ppb level in a very short reaction time. The chemical consumption was estimated to be approximately 0.2-0.4 kg of ZVI per 1 m^3 of FGD water treated, which suggested the process economics could be very competitive. The success of the pilot test shows that the system is scalable for commercial application. The operational experience and knowledge gained from this field test could provide guidance to further improvement of technology for full scale applications. The hZVI technology can be commercialized to provide a cost-effective and reliable solution to the FGD wastewater and other metal-contaminated waste streams in various industries. This technology has the potential to help industries meet the most stringent environmental regulations for heavy metals and nutrients in wastewater treatment.
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Wu, Hui-Hsin, and 吳慧馨. "The Interdisciplinary Collaboration in Community entrepreneur: A Case Study of Demonstration Spots of Rural Rejuvenation Plan in Taitung." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/thb4c4.
Full textAbstract:
碩士國立東華大學
族群關係與文化學系
103
This research explores and discusses Taiwan government’s policy on the entrepreneur development of Taitung throughout the years, from the case of Demonstration Spots of Rural Rejuvenation Plan. Through the interdisciplinary collaboration programs of the five demonstration communities, the research attempts to examine and analyze how the Rural Rejuvenation Plan works by cross-industrial and cross-regional collaborations in achieving the following four goals in the rural areas: boosting the quantity and quality of population, creating job opportunities, increasing the average income, and improving the quality of rural life. With an approach emphasizing the importance of local culture, the study will focus on the features of cultural and economic activities to explain the operation of community entrepreneurs of eastern Taiwan. The crux to a successful development of a community’s economy lies in establishing an industry with cultural distinctiveness, which must be rooted in the environmental, historical, and cultural features of the area. To achieve the sustainability of community entrepreneurs, people of the community should collaborate through networking, fully participating, and integrating cross-regional resources so as to realize better cooperation between public and private sectors, making community industry always sustainable, eco-friendly and people-oriented.
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"Artistry in daily life of local community: a demonstration in Mong Kok." 2000. http://library.cuhk.edu.hk/record=b5895943.
Full textAbstract:
Chu Ching Sze Cynthia."Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 1999-2000, design report."
On double leaves.
Includes bibliographical references (p. 133-134).
Table of contents in English and Chinese.
Content 目錄 --- p.1-2
Scenario 局面 --- p.3-8
Introduction 引言 --- p.9-12
Arts and Society 藝術與社會 --- p.13-22
Chapter - --- Art and Museum
Chapter - --- Art and the Public
Chapter - --- Art and the Disables
Chapter - --- Art and Space
Hong Kong Arts background 香港藝術背景 --- p.23-31
Problems/Deficiencies 問題 /不盡處 --- p.32-36
Chapter - --- Messiness in Hong Kong
Chapter - --- Invalid education and limited interaction with the Public on Art
Chapter - --- Inadequate support for local young artists
Chapter - --- Inappropriate spatial quality of the traditional exhibition spaces
Future Opportunities 未來的機會 --- p.37
Hypothesis 假設 --- p.38
Issues 爭論 --- p.39
Scope of Work 工作範圍 --- p.40
Design Programme 設計程序 --- p.41-59
Chapter i. --- Target Group Selection
Chapter - --- children
Chapter - --- youth and young adult
Chapter - --- working group
Chapter - --- elderly (retired people)
Comparison
Conclusion
Chapter ii. --- Site Selection
Chapter - --- Tsim Sha Tsui
Chapter - --- Mong Kok
Chapter - --- Causeway Bay
Comparison
Conclusion
Chapter iii. --- Proposed schedule of accommodation/activities
Site and Context 地點與背景 --- p.60-67
Mong Kok District (Macro)
Chapter i. --- Brief Introduction
Chapter ii. --- District Background
Chapter iii. --- Image Analysis
Chapter iv. --- Zoning and Building Analysis
Chapter v. --- Traffic and Transport
Sai Young Choi Street South
Chapter i. --- Image and street Analysis
Chapter ii. --- Pedestrian Circulation
Chapter iv. --- Vehicular Circulation
Chapter v . --- Potential Locations for the development
Case Study 案件硏究 --- p.68-73
Chapter - --- "Solomon R. Guggenheim Museum, New York"
Chapter - --- "the Guggenheim Museum, Bilbao"
Chapter - --- Music Videos in Architecture
Chapter - --- Mobile exhibition Pavilion
Interview 訪問 --- p.74-78
Chapter - --- with artists
Chapter - --- with the Sai Yeung Choi Street Pedestrians
Content 目錄 --- p.80-81
Conclusion from Part 1 第一部總結 --- p.82
Design Outline 設計槪述 --- p.83
Project Brief 項目略述 --- p.84-88
Chapter - --- Site and Constraints
Chapter - --- Space Programmes
Chapter - --- Design Guidelines
Design Development設計變化及發展 --- p.89-94
Chapter - --- Original Concept Layout
Chapter - --- Design Diagrams
Chapter - --- spatial relationship
Chapter - --- circulation
Chapter - --- envelope neighbourhood studies
Chapter - --- Design Sketches
Final Design Explaination 最終設計ˇئđ釋 --- p.95-119
Chapter - --- Architectural Design
Chapter - --- Plans
Chapter - --- Elevation and Section
Chapter - --- Perspectives
Chapter - --- Illustration of internal spaces
Images of the Community- Artists Artspace 市區藝術空間 --- p.120
Special Studies 特別研究 --- p.121-131
Bibliography and Reference 參考書及 --- p.132-134
Acknolegement 鳴謝 --- p.135
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Tansey, Kathryn J. "Care manager's utilization of project time in a physician sponsor plan Medicaid demonstration project report of a research experience submitted in partial fulfillment ... for the degree of Master of Science in Nursing ... /." 1995. http://catalog.hathitrust.org/api/volumes/oclc/68798772.html.
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Bango, Oyindiye Mosi. "Exploring senior phase Natural Science teachers’ classroom practices : a focus on planet earth and beyond strand." Diss., 2017. http://hdl.handle.net/10500/26862.
Full textAbstract:
This research builds on and contributes to work in Natural Science teacher education and practice. The study places particular attention on the teacher’s role in the science classroom through gaining more understanding on their classroom practices. A qualitative approach was employed. Data was collected from three grade 7 Natural Science teachers using observation and interview schedules. Analysis of the data then followed using the Classroom Practice Diagnostic Framework. The findings thereafter included inadequate teachers’ teacher knowledge. The teachers’ instructional strategies where not varied enough and centred on teacher lecture and the demonstration method. Finally, authoritative discourse was very prominent as well as system accountability. Recommendations were then given ranging from use of teaching methods that encourage an active and critical approach to learning, to improving classroom discourse by avoiding authoritative discourse. The implications of the research include better understanding of how teachers link their science knowledge to how they teach it, and better science application by the teachers and learners in South Africa.Science and Technology Education
M. Ed. (With specialisation in Natural Science Education)
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Leonard, Patricia A. "The work of care managers in a Medicaid demonstration project for the Modified Physician Sponsor Plan in Washtenaw Country, Michigan a descriptive analysis : submitted in partial fulfillment ... for the degree of Master of Science in Nursing (Parent-Child Nursing) ... /." 1995. http://catalog.hathitrust.org/api/volumes/oclc/68798773.html.
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Zhu, Shaozhen (Sharon), Tahereh S. Ghazaany, Raed A. Abd-Alhameed, Steven M. R. Jones, James M. Noras, T. Suggett, Buren T. Van, and S. Marker. "Improved bandwidth low-profile miniaturized multi-arm logarithmic spiral antenna." 2014. http://hdl.handle.net/10454/10834.
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Franco, Cátia Madalena da Silva. "Relatório de estágio em edição no serviço editorial do município da Póvoa do Varzim." Master's thesis, 2018. http://hdl.handle.net/10773/24139.
Full textAbstract:
presente relatório pretende apresentar o trabalho realizado no estágio curricular em edição, realizado no Serviço Editorial do Município da Póvoa de Varzim e inserido no plano de estudos do mestrado em Estudos Editoriais, com data de início em novembro de 2017 e data de conclusão em abril de 2018.
O trabalho aqui relatado tem como intuito demonstrar o papel desempenhado enquanto assistente editorial e tecer considerações e reflexões críticas. Para o efeito, apresento os vários projetos editoriais nos quais estive envolvida e analiso diferentes aspetos no desenvolvimento desses projetos.
Dentro da gestão editorial vários temas poderiam ser alvo de análise, no entanto, o principal eixo deste trabalho prende-se com a questão do planeamento e da gestão do tempo. Considerado um fator crítico da gestão editorial, procuramos, ao longo da redação deste relatório, demonstrar quais as razões, os responsáveis e as principais ilações a retirar desta reflexãoMestrado em Estudos Editoriais