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Dissertations / Theses on the topic 'Physicochemical Parameters of Water'

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Published: 5 June 2025

Last updated: 15 July 2025

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1

Le, Trang Thi, Doan Dang Phan, Bao Dang Khoa Huynh, Van Tho Le, and Van Tu Nguyen. "Phytoplankton diversity and its relation to the physicochemical parameters in main water bodies of Vinh Long province, Vietnam." Technische Universität Dresden, 2019. https://tud.qucosa.de/id/qucosa%3A70829.

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Phytoplankton samples were collected in 2016 during the dry and rainy seasons at nine sampling sites in Vinh Long province, Vietnam. Some basic environment parameters such as temperature, pH, dissolved oxygen, nitrate and phosphate were measured and a total of 209 phytoplankton species (six phyla, 96 genera) were identified. The phylum that had the greatest number of species was Bacillariophyta (82 species), followed by Chlorophyta (61 species), Cyanophyta (39 species), Euglenophyta (21 species), Chrysophyta (three species) and Dinophyta (three3 species). The phytoplankton density ranged from

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2

Clyde, Gerard A. "Spatial and temporal patterns exhibited by select physicochemical and biological water quality parameters in Lake Texoma, Oklahoma and Texas." Thesis, University of North Texas, 2004. https://digital.library.unt.edu/ark:/67531/metadc4628/.

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From August 1996 through September 1997 eleven fixed stations were sampled monthly in January, March , April , July, August, September, and November and fortnightly in May and June for the purposes of establishing baseline conditions present in Lake Texoma as related to U.S. Army Corps of Engineers chloride control activities in the upper Wichita River, Texas. Five reservoir zones were identified a priori using historical chloride concentration data and include the Red River Zone (RRZ), Red River Transition Zone (RRTZ), Main Lake Body (MLB), Washita River Transition Zone (WRTZ), and Washita Ri

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3

Barbosa, Igor Silva. "ANÁLISE DOS PARÂMETROS FÍSICO-QUÍMICOS E METAIS PRESENTES NAS NASCENTES DO RIO MEIA PONTE." Pontifícia Universidade Católica de Goiás, 2015. http://localhost:8080/tede/handle/tede/2543.

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Made available in DSpace on 2016-08-10T10:44:44Z (GMT). No. of bitstreams: 1 IGOR SILVA BARBOSA.pdf: 2324780 bytes, checksum: 404e6b1a1c1a079e20a17f4884a14470 (MD5) Previous issue date: 2015-02-25<br>In this dissertation was determined variations in physicochemical parameters and metal pollutants in water collected in the springhead of the Meia Ponte river Goiás, samples were collected from 20 points downstream and upstream and the data were statistically treated. The physicochemical parameters evaluated were pH, conductivity, dissolved oxygen, temperature and luminosity. The pH and luminosi

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4

Santos, Martha Raquel Pereira. "Bacterial community as a complementary tool to the water directive framework in ecological quality assessment of Caima river." Master's thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/21461.

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Mestrado em Microbiologia<br>Freshwater ecosystems have been suffering severe degradation and loss of biodiversity, caused by human disturbances such as agriculture, industry, mining, urban development and climate changes. Therefore, the European Union reached an agreement and implemented the Water Framework Directive (WFD), with the main goal of reach a good ecological status in all water bodies. However, WFD is very complex, methodologies are time-consuming and costly. Thus, the main objective of this study is to develop a rapid and cost-effective approach, by studying the bacterial communit

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SANTOS, Patrícia Pimentel. "Indicadores Bacteriológicos de Poluição e sua Relação com Parâmetros Físico-Químicos em Água de Abastecimento Humano, Antes e Após o Tratamento, em Goiânia." Universidade Federal de Goiás, 2010. http://repositorio.bc.ufg.br/tede/handle/tde/1779.

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Made available in DSpace on 2014-07-29T15:29:21Z (GMT). No. of bitstreams: 1 PATRICIA PIMENTEL parte 1.pdf: 1044776 bytes, checksum: d66cf047cfd79bf2a39c5e33b86add86 (MD5) Previous issue date: 2010-03-16<br>The city of Goiânia is supplied by Meia Ponte River and it´s tributary, the João Leite Stream, which receive significant amount of pollutant along it course, arising from population growth, farming and industrial activities. This study aimed to investigate the bacteriological and physicochemical quality of superficial waters from the river, stream and of drinking water from two water trea

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FORMIGA, Aliane Cristiane de Sousa. "Variação Espaço/Temporal da qualidade de água subterrânea do Município de Juazeiro do Norte- CE." Universidade Federal de Campina Grande, 2015. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/490.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-04-25T15:18:08Z No. of bitstreams: 1 ALIANE CRISTIANE DE SOUSA FORMIGA - DISSERTAÇÃO PROFISSIONAL PPGSA 2015..pdf: 2523638 bytes, checksum: 45d58e0e5579c606f4bc57cbb8cdecc3 (MD5)<br>Made available in DSpace on 2018-04-25T15:18:08Z (GMT). No. of bitstreams: 1 ALIANE CRISTIANE DE SOUSA FORMIGA - DISSERTAÇÃO PROFISSIONAL PPGSA 2015..pdf: 2523638 bytes, checksum: 45d58e0e5579c606f4bc57cbb8cdecc3 (MD5) Previous issue date: 2015<br>Como incremento da atividade antrópica e seus efeitos, a disponibilidade de água potável para consum

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7

Dale, Sara E. "Physicochemical processes at oil/water interfaces." Thesis, University of Warwick, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.487805.

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8

Diab, Walaa. "Étude des propriétés physico-chimiques et colloïdales du bassin de la rivière Litani, Liban." Thesis, Université de Lorraine, 2016. http://www.theses.fr/2016LORR0063/document.

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Cette thèse s’inscrit dans l’une des thématiques du «Laboratoire MCEMA», ayant pour projet l’étude physico-chimique des eaux de rivière et l’évaluation de l’influence des activités humaines sur la qualité de l’eau de la rivière LITANI. Ce travail est divisé en trois grandes parties. La 1ère partie a consisté d’étudier les paramètres physico-chimiques (T°, pH, EC, TSS, TDS, ion, etc.) au niveau de l’eau. La 2ème partie s’est concentrée autour de l’analyse des sédiments. Nous avons étudié les sédiments de la rivière de Litani, leurs natures, leurs granulométries, leurs propriétés physico-chimiqu

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9

Dorji, Kinzang. "Utility of an existing biotic score method in assessing the stream health in Bhutan." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/97993/1/Kinzang_Dorji_Thesis.pdf.

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In many countries water quality is assessed by using indices derived from the presence of macroinvertebrate species. This study aimed to improve the application of one such index (Hindu-Kush Himalaya based index: HKHbios) to rivers and streams in Bhutan. Sampling in a number of different streams showed that there was a strong influence of the monsoon on stream macroinvertebrates, however the month to month and site to site HKHbios scores showed no consistent patterns. Dry season sampling and increased ecological information on a number of macroinvertebrate taxa were identified as areas where w

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10

Malcolmson, Carole A. "The physicochemical properties of nonionic oil-in-water microemulsions." Thesis, King's College London (University of London), 1992. https://kclpure.kcl.ac.uk/portal/en/theses/the-physicochemical-properties-of-nonionic-oilinwater-microemulsions(4315649d-d2d1-497d-9a76-05bc06f7f9a1).html.

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11

Patel, Rajesh Arvindkumar. "Investigation Of Physicochemical And Formulation Parameters For Transdermal Delivery Of Isoproterenol HC1." Scholarly Commons, 1987. https://scholarlycommons.pacific.edu/uop_etds/3380.

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Effects of solubility, partition coefficient, pH and selected adjuvants (propylene glycol and Azone) on the percutaneous penetration of isoproterenol HC1 in vitro have been investigated using human cadaver skin. Preliminary stability studies demonstrated that isoproterenol HC1 was very stable (less than 1% decomposition) for 24 hours at 22(DEGREES) (+OR-) 0.5(DEGREES) in the pH range 1 to 7 in the following solvents: water, normal saline, propylene glycol and a series of propylene glycol-water mixtures (10,20,40 and 60% v/v). The rate of decomposition of the drug in aqueous solutions increased

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12

Scriven, Richard James. "The impact of physicochemical water treatment on downstream clarification processes." Thesis, University of Surrey, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362601.

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13

Bhatia, Radhika. "Characterisation of the combined effects of physicochemical parameters and toxicants on microbial cells." Thesis, University of Bedfordshire, 2005. http://hdl.handle.net/10547/622046.

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This thesis reports on the combined effects of toxicants and physicochemical factors on micro-organisms. The main objective of the project was to use multi-sensing systems such as mediated and non-mediated sensor systems, growth tests and physicochemical sensors to investigate novel stressor-toxicant-assay combinations. Screen-printed, disposable, developmental-phase, physicochemical sensor constructs (conductivity and dissolved oxygen) were validated under conditions compatible with microbial bioassays, to ascertain their potential role in toxicity testing. The conductivity sensor construct c

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14

Gough, Annette. "A physicochemical study of the role of sugar in baked products." Thesis, University of Nottingham, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294733.

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15

Benson, Richard Lynn. "On-line monitoring of water quality parameters." Thesis, University of Hull, 1991. http://hydra.hull.ac.uk/resources/hull:8391.

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Chapter one summarises the development of UK legislation for the protection of the aquatic environment, and highlights current EC legislative requirements for water quality. The need for on-line water quality monitoring and the alternative instrumental approaches to it are discussed, together with the philosophy of "easy care instrumentation" and water industry requirements for online analysers. A simple spectrophotometric FI system is proposed for the on-line determination of a range of water quality parameters. The following chapter details instrumentation used in the FI system, emphasising

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16

Moczko, Ewa. "New approach in multipurpose optical diagnostics : fluorescence based assay for simultaneous determination of physicochemical parameters." Thesis, Cranfield University, 2009. http://dspace.lib.cranfield.ac.uk/handle/1826/4573.

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The development of sensors assays for comprehensive characterisation of biological samples and effective minimal-invasive diagnostics is highly prioritised. Last decade this research area has been actively developing due to possibility of simultaneous, real- time, in vivo detection and monitoring of diverse physicochemical parameters and analytes. The new approach which has been introduced in this thesis was to develop and examine an optical diagnostic assay consisting of a mixture of environmental-sensitive fluorescent dyes. The operating principle of the system has been inspired by electroni

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17

Ferronato, Chiara <1984&gt. "Water, sediment and soil physicochemical interactions in freshwater, brackish and saline systems." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amsdottorato.unibo.it/6881/1/Ferronato_PHD.pdf.

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The physicochemical interactions between water, sediment and soil deeply influence the formation and development of the ecosystem. In this research, different freshwater, brackish and saline subaqueous environments of Northern Italy were chosen as study area to investigate the physicochemical processes which occur at the interface between water and sediments, as well as the effects of soil submergence on ecosystem development. In the freshwater system of the Reno river basin, the main purpose was to define the heavy metals hazard in water and sediments of natural and artificial water courses

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Ferronato, Chiara <1984&gt. "Water, sediment and soil physicochemical interactions in freshwater, brackish and saline systems." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amsdottorato.unibo.it/6881/.

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The physicochemical interactions between water, sediment and soil deeply influence the formation and development of the ecosystem. In this research, different freshwater, brackish and saline subaqueous environments of Northern Italy were chosen as study area to investigate the physicochemical processes which occur at the interface between water and sediments, as well as the effects of soil submergence on ecosystem development. In the freshwater system of the Reno river basin, the main purpose was to define the heavy metals hazard in water and sediments of natural and artificial water courses

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19

Elmoazzen, Heidi Yakout. "Parameters affecting water permeability across biological cell membranes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0009/MQ60118.pdf.

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20

Moustafa, Ahmed. "Deducing water parameters in rivers via statistical modelling." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/9095.

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Advanced monitoring of water quality in order to perform a real-time hazard analysis prior to Water Treatment Works (WTW) is more of a necessity nowadays, both to give warning of any contamination and also to avoid downtime of the WTW. Downtimes could be a major contributor to risk. Any serious accident will cause a significant loss in customer and investor confidence. This has challenged the industry to become more efficient, integrated and attractive, with benefits for its workforce and society as a whole. The reality is that water companies are not yet prepared to invest heavily in trials,

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21

Shaun, Ferdous Jahan. "Multi-Parameters Miniature Sensor for Water Network Management." Thesis, Paris Est, 2018. http://www.theses.fr/2018PESC1138/document.

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L’eau est une ressource vitale, indispensable à la vie sur terre. A l’instar de nombreuses autres ressources naturelles, l’eau propre à la consommation est soumise à une forte pression à cause de l’impact de l’activité humaine d’une part et de l’augmentation continue de la population mondiale d’autre part. Une pression tellement forte que l’eau propre représente l’un des 17 objectifs de développement durable des Nations Unies. Dans ce contexte, une gestion rationnelle et durable de la ressource s’avère indispensable. Dans ce but, un système intelligent de supervision des réseaux d’eau potable

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22

Mathipa, Morongwa Mary. "Analysis of the bio-physicochemical quality of surface and ground water in the Tubatse Municipality." Thesis, University of Limpopo, 2016. http://hdl.handle.net/10386/1663.

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Thesis (M. Sc. (Microbiology)) -- University of limpopo, 2016<br>Human activities are known to be the major contributors to contamination of natural water sources. This becomes a serious health risk when the communities rely on the same water sources for their household water needs. The current study investigated the bio-physicochemical quality of surface and ground waters found in a mining area in the Tubatse locality, for their suitability for drinking and other household use. The bacteriological analyses of surface waters showed dominance by genera of the phylum Proteobacteria, followed by

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23

Laskina, Olga. "Physicochemical properties of mineral dust and sea spray aerosols." Diss., University of Iowa, 2015. https://ir.uiowa.edu/etd/1674.

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Aerosols are important atmospheric constituents that impact the Earth's radiative balance and climate. The detailed knowledge of the aerosol optical properties is required for a comprehensive analysis of the impacts of aerosols on climate. Mie theory is often used in satellite and ground-based retrieval algorithms to account for atmospheric mineral dust. However, the approximations used in Mie theory are often not appropriate for mineral dust and can lead to errors in the optical properties modeling. Analytic models based on Rayleigh theory that account for particle shapes can offer significan

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Fidantemiz, Yavuz F. "Effect of Water Table Level on Soybean Water Use, Growth and Yield Parameters." Thesis, North Dakota State University, 2018. https://hdl.handle.net/10365/29277.

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Responses of soybean (Glycine max) water uptake and crop growth to four constant water table depths (30, 50, 70, and 90 cm) were studied under a controlled environment using lysimeters. Additionally, control lysimeters with irrigation and no water table were used for comparison. A randomized complete block design (RCBD) was used with six replications in each treatment. The results indicated that the water table depths of 30, 50, 70 and 90 cm contributed to 77, 71, 65 and 62% of soybean water use, respectively. Thus, the water use efficiency, total grain yield (g lysimeter-1) per unit water use

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25

Kramar, S. "Computer-aided drug design of Keap1-Nrf2 inhibitors and the effect of physicochemical parameters on biomolecule interactions." Thesis, University College London (University of London), 2014. http://discovery.ucl.ac.uk/1455631/.

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The rational design of novel chemotherapeutics is based upon knowledge of the intermolecular interactions between ligands and their targets, and the physical, topological and dynamic properties of those ligands within the biological environment. The pyrrolo(2,1-c)(1,4)benzodiazepine-5-ones (PBDs) are a family of sequence-selective, DNA minor groove-binding antitumour agents that inhibit transcriptional events and DNA replication. The effect of pH and salt concentrations on the conjugation rates of two PBDs with short DNA sequences were quantified by HPLC analysis. To further understand how the

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Akamatsu, Miki. "Quantitative Analysis of Hydrophobicity of Oligopeptides Using Physicochemical Amino Acid Side Chain Parameters and Submolecular Structural Descriptors." Kyoto University, 1990. http://hdl.handle.net/2433/78240.

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27

Santos, Marcos Alex dos. "Determination of empirical parameters for root water uptake models." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/11/11152/tde-28032016-133225/.

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Physical root water uptake models can provide more insight into the mechanism, but their physical plant hydraulic parameters are hardly-ever available, making them less attractive in practical applications. Conversely, empirical root water uptake modes are more readily used because of their simplicity and lower data requirements, but their empirical parameters and ability in describing the dynamics of root water uptake need further investigation. Combining physical and empirical models might be an effective way to address these issues. In this thesis, it is tested the feasibility of deriving p

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28

Chanpiwat, Pattanun. "Quantitative Approach to Select Energy Benchmarking Parameters for Drinking Water Utilities." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/64201.

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Energy efficiency is currently a hot topic on all regional, national, and global stages. Accurate measurements on how energy is being used over a period of time can improve performance of the drinking water utility substantially and reduce energy consumption. Nevertheless, the drinking water industry does not have a specific benchmarking practice to evaluate its energy performance of the system. Therefore, there are no standards to compare energy use between water utilities that have a variety of system characteristics. The goal of this research is to develop quantitative approach to selec

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29

Walendzik, Bartosz. "Assessment of compost maturity based on physicochemical parameters, with particular reference to humus substances : PhD thesis summary : [synopsis]." Rozprawa doktorska, [s.n.], 2011. http://dlibra.tu.koszalin.pl/Content/1088.

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Paul, Chowdhury Madhurima. "Physicochemical studies on double-chain amphiphiles and their aggregation behavior in different media." Thesis, University of North Bengal, 2018. http://ir.nbu.ac.in/handle/123456789/2692.

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31

Null, James Mark. "Perturbative inversion of geoacoustic parameters in a shallow water environment." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1995. http://handle.dtic.mil/100.2/ADA294674.

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Thesis (M.S. in Meteorology and Physical Oceanography) Naval Postgraduate School, March 1995.<br>"March 1995." Thesis advisor(s): Robert H. Bourke, James H. Wilson. Bibliography: p. 81-83. Also available online.

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PACHECO, HUGO GUILLERMO JIMENEZ. "SUPERCOOLING OF THE WATER IN CYLINDRICAL CAPSULES: PARAMETERS OF INFLUENCE." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2008. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=12462@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Um dispositivo experimental foi desenvolvido para o estudo do superresfriamento da água em cápsulas cilíndricas visando sua utilização em processos de termoacumulação. A bancada experimental é constituída basicamente por: seção de teste, sistema de resfriamento, sistema de visualização, sistema de aquisição e armazenamento de dados. A temperatura do fluido externo, ou fluido de transferência (FT), uma solução aquosa de álcool a 50% por volume, foimantida consta

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Jalali-Farahani, Hamid Reza 1960. "Crop water stress parameters for turfgrass and their environmental dependability." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/191950.

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The concept of crop water stress index (CWSI) was explored using empirical and theoretical models to evaluate bermudagrass water status. The empirical methods were simplifications of the crop energy balance equation. Measured field data were employed to develop the empirical CWSI parameters. Field data were collected from turf plots under three levels of irrigation for the 1986 growing season in Tucson, Arizona. The simplest empirical model of Idso gave the highest variance in estimates of CWSI for all treatments with the estimates being highly influenced by net radiation. An improved empirica

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Tippetts, Megan. "Effect of Processing and Formulation Conditions on Physicochemical Characteristics of Food Emulsions." DigitalCommons@USU, 2008. https://digitalcommons.usu.edu/etd/147.

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The objective of this research was to systematically study the effect of processing conditions on crystallization behavior and destabilization mechanisms of oil-in-water (o/w) emulsions. The effects of oil content (20 and 40 wt %); crystallization temperature (Tc = 10, 5, 0, -5, -10 °C); homogenization conditions, such as high shear (HS), very low pressure homogenization (VLPH), and high pressure homogenization (HPH); and cooling rate (0.2 and 30 °C/min) on both thermal behavior and destabilization mechanisms were analyzed. Docosahexaenoic acid (DHA) was added to VLPH emulsions and its effect

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Серженьга, О. В. "Науково-методичні засади оцінки характеру насичення пластів і положення газонафтового контакту з використанням геоелектричної моделі присвердловинної зони (на прикладі нафтогазоконденсатних родовищ Західно-Сибірської нафогазоносної провінції)". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2007. http://elar.nung.edu.ua/handle/123456789/4219.

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У дисертації висвітлюються актуальні питання визначення положення газонафтового і водонафтового контактів на “водоплавних” нафтогазоконденсатних покладах за результатами геофізичних досліджень у відкритому стовбурі свердловини. Такі поклади є об'єктами з дуже складними електричними властивостями присвердловинної зони і потребують підвищення інформативності комплексу методів ГДС. Теоретично обґрунтовано і доведено фактичними дослідженнями в свердловинах переваги методу ВІКІЗ для визначення параметрів геоелектричної моделі порід-колекторів, які виповнюють теригенні відклади юрського комплексу ЗС

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Ansah, Yaw Boamah. "Characterization of pond effluents and biological and physicochemical assessment of receiving waters in Ghana." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/31948.

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This study was carried out to characterize ponds and aquaculture systems, and also to determine both the potential and actual impacts of pond aquaculture effluents on receiving stream quality in the Ashanti and Brong Ahafo regions of Ghana. Water, fish and macroinvertebrate samples were collected from upstream, downstream and nearby reference streams of, and questionnaires administered to, 32 farms. Total settleable solids were higher in ponds than reference streams (p = 0.0166); suspended solids was higher in ponds than reference streams (p = 0.0159) and upstream (p = 0.0361); and total phosp

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Pennanen, T. (Teemu). "Computational studies of NMR and magneto-optical rotation parameters in water." Doctoral thesis, University of Oulu, 2012. http://urn.fi/urn:isbn:9789514297311.

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Abstract In this thesis nuclear magnetic resonance (NMR) and magneto-optical rotation (MOR) parameters are investigated for water, paying special attention to the effect of solvation from gaseous to liquid phase. Nuclear magnetic shielding and quadrupole coupling tensors of NMR spectroscopy are studied for gaseous and liquid water. Liquid state is modelled by a 32-molecule Car-Parrinello molecular dynamics simulation, followed by property calculations for the central molecules in clusters cut out from the simulation trajectory. Gaseous state is similarly represented by a one-molecule simulatio

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Palsson, Bjarni. "A study on the parameters controlling (matrix) injectivity of produced water." Thesis, Heriot-Watt University, 2004. http://hdl.handle.net/10399/2021.

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There is a lack of general design methods for water injection schemes. This is reflected in the fact that there exists no handbook for water injection and no commercial reservoir simulators include modules for injectivity damage; even though waterflood simulation is one of their main tasks. This thesis aims at critically evaluating the current approach and suggesting better practises. The objective is to analyse the parameters affecting the performance of matrix water injection wells and critically evaluate their importance in the light of available field history. This includes a review of the

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Durazo, Jacqueline Nicole. "Defining common parameters of evaluations for water filtration technologies in India." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/92673.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (page 45).<br>Nearly 1 billion people in the world today do not have access to safe drinking water. With almost 3.5 million of those people dying each year, this is no longer an issue we can pretend is of little importance. Of the deaths that occur each year, 84% are those of children and 98% occur in developing countries. Many companies have created water filtration technologies targeted for the population most affecte

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Mokhothu, Motlatsi Nicholas. "The assessment of scale of spatial and temporal water erosion parameters." Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/187485.

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This study assessed the effects of scale on distributed water erosion parameters such as effective hydraulic conductivity, interrill and erodibility parameters. To accomplish this, the watershed was split into one, two, three, six, eight and ten hillslope configuration using geostatistical analysis on data collected on a 20 m grid at Kendall 112 in Walnut Gulch Experimental Watershed located near Tombstone, Arizona. Ordinary and universal block kriging were used to split the watershed into cascading planes composed of hillslopes and overland flow elements. The manipulation of data by increasin

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You, Qing [Verfasser], and Bernhard A. [Gutachter] Sabel. "The role of physicochemical parameters on polybutylcyanoacrylate nanoparticles' delivery to the central nervous system / Qing You ; Gutachter: Bernhard A. Sabel." Magdeburg : Universitätsbibliothek Otto-von-Guericke-Universität, 2020. http://d-nb.info/1220036072/34.

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You, Qing Verfasser], and Bernhard A. [Gutachter] [Sabel. "The role of physicochemical parameters on polybutylcyanoacrylate nanoparticles' delivery to the central nervous system / Qing You ; Gutachter: Bernhard A. Sabel." Magdeburg : Universitätsbibliothek Otto-von-Guericke-Universität, 2020. http://d-nb.info/1220036072/34.

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Medvedeva, О., and Y. Kryvoshei. "Assessment of some parameters of biological quality of the water in the city of KropIvnytskyi." Thesis, ТДМУ Укрмедкнига, 2017. http://dspace.kntu.kr.ua/jspui/handle/123456789/7242.

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Bannon, Henry James. "Effects of Water Quality Parameters on Prolonged Swimming Ability of Freshwater Fishes." The University of Waikato, 2006. http://hdl.handle.net/10289/2618.

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The critical swimming speed (Ucrit) of rainbow trout parr (Oncorhynchus mykiss) and three life stages of Galaxias maculatus, larval (whitebait), postlarval inanga and adult inanga, were tested at temperatures from 5oC to 25oC. All fish were swum at their acclimation temperature under normoxic conditions to determine the optimal aerobic exercise temperature. To determine whether acclimation affected swimming ability, trout parr acclimated to either 10oC or 20oC were swum at 20oC and 10oC, respectively. The potential effect of mild hypoxia (75% saturation) on trout parr and whitebait was also ex

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Nemeth, Douglas J. "Relationship of Aeromonas hydrophila to fish community health and water quality parameters." Virtual Press, 1985. http://liblink.bsu.edu/uhtbin/catkey/421946.

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Temperature, conductivity, and Aeromonas hydrophila density were determined bimonthly at six sites in the White River drainage system, Delaware County, Indiana, from April, 1984 through December, 1984. Fish were collected from four of the six sites. Fish were identified to species, examined for gross pathology, and their blood collected. Titers against A. hydrophila antigen 157 were determined for all carp (Cyprinus carpio) captured. Certain carp serum samples were also tested against three additional A. hydrophila antigens.Aerononas hydrophila densities appeared to be related to temperature a

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Muruven, Dean Nalandhren. "An evaluation of the cumulative surface water pollution within the consolidated main reef area, Roodepoort, South Africa." Diss., 2011. http://hdl.handle.net/10500/6299.

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Surface water pollution is prevalent in numerous areas of central Roodepoort mainly due to gold mining activities. The surface water quality for the Bosmontspruit, Russell’s Stream and the New Canada Dam was assessed from October 2010 to March 2011. Physical, chemical and biological characteristics of the water were determined for 8 monitoring points and the results obtained were compared with the In-stream water quality guidelines for the Klip River catchment and the South African Water Quality Guidelines. A trend noticed throughout the sampling period was the non-compliance in the lev

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Kim, Jinkeun Lawler Desmond F. "Physicochemical aspects of particle breakthrough in granular media filtration." 2004. http://wwwlib.umi.com/cr/utexas/fullcit?p3143881.

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Lee, Chung Chang, and 李中強. "Physicochemical and Rheological Properties of Water-Soluble Chitosan." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/18330566789412703713.

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Kim, Jinkeun 1968. "Physicochemical aspects of particle breakthrough in granular media filtration." 2004. http://hdl.handle.net/2152/12781.

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Μανωλάκη, Παρασκευή. "Αξιολόγηση της οικολογικής ποιότητας των ποταμών Αχέροντα και Λούρου της Δ. Ελλάδας και της λεκάνης απορροής τους με χρήση υδροβίων μακρόφυτων ως βιολογικών δεικτών". Thesis, 2012. http://hdl.handle.net/10889/5971.

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Το αντικείμενο της παρούσας διδακτορικής διατριβής είναι η οικολογική αξιολόγηση δύο ποτάμιων οικοσυστημάτων του Αχέροντα και του Λούρου, με βάση τις κοινότητες υδρόβιων μακροφύτων, την ποιότητα του νερού και τα υδρογεωμορφολογικά χαρακτηριστικά, καθώς και η ανάπτυξη και η οριστικοποίηση μεθοδολογίας για τη συλλογή, την επεξεργασία, την ανάλυση και την αξιολόγηση των δεδομένων πεδίου προσαρμοσμένης και εφαρμόσιμης στις ελληνικές συνθήκες. Οι επιμέρους στόχοι της διδακτορικής διατριβής διακρίνονται σε 4 επί μέρους κεφάλαια. Το πρώτο κεφάλαιο (Κεφάλαιο Α) αφορά τη διερεύνηση των αβιοτικών παραμέ

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