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Dissertations / Theses on the topic 'Water chemistry'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Chun, John Hwan. "Modeling of BWR water chemistry." Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/13660.

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2

Dudd, Lucinda M. "Organic chemistry in high-temperature water." Thesis, Nottingham Trent University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403413.

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3

Grover, David J. (David Joseph). "Modeling water chemistry and electrochemical corrosion potential in boiling water reactors." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/39772.

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4

Gawenis, James Allen. "Aspects of the environmental chemistry of technetium /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3012968.

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5

Young, Toby Edward. "Water-only chemical analysis methodologies : investigations of water liquid chromatography, subcritical water extracton, and dynamic surface tension detection /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/8528.

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6

Mahmood, Hosam Rifaat. "Groundwater chemistry and water table variations in Bahrain." Thesis, Loughborough University, 1993. https://dspace.lboro.ac.uk/2134/11707.

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An evaluation has been carried out of the groundwater system in Bahrain. It has involved the collection of water samples from all the water bearing formations to study the quality of the groundwater. Each water sample was tested physically, chemically, and bacteriologically. Additionally, the five day biochemical oxygen demand test and hydrogen sulphide were detected. The period of the actual sampling and testing extended from mid-1990 to the beginning of 1992. The results obtained have been compared to the results of an earlier study conducted between 1978 and 1979. The investigation has also

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7

Ghasdian, Negar. "ABC terpolymers : micelles, polymersomes and stabilisation of water in water emulsions." Thesis, University of Hull, 2013. http://hydra.hull.ac.uk/resources/hull:8621.

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Polymersomes are vesicles formed from block copolymers. Their large internal volumes and thick walls make them very attractive for the encapsulation of different species. However, a major issue which prevents the use of polymersomes in most of the applications is that the encapsulation efficiency of payload molecules using current encapsulation methods is too low. This problem is thought to be related to the formation mechanism of polymersomes through self-assembly of the constituent block copolymer molecules. This project is concern with employing a fundamentally different strategy for polyme

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8

Wong, Wing-sze. "Water chemistry in the Kam Tin basin, natural and authropogenic influences." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38605843.

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9

Gutkowski, Sarah. "Water-in-oil and oil-in-water emulsions stabilized by octenylsuccinic anhydride modified starch and adsorption of modified starch at emulsified oil/water interfaces." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/32842.

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Master of Science<br>Department of Grain Science and Industry<br>Yong Cheng Shi<br>Emulsions are utilized to help control phase separation and are found in many products ranging from food to pharmaceuticals. Because of the hydrophobic properties of its functional group, octenylsuccinic anhydride (OSA) modified starch is commonly used in oil in water (o/w) emulsions. The first objective of this study was to investigate if OSA modified starch could be used in water in oil (w/o) emulsions. Experiments were designed to determine the effects of concentrations of OS starch, mineral oil and water on

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10

Karlsson, Lovisa. "Water Courses in Kvarntorp : An Evaluation of Water Chemistry from Monitoring Data 1994-2012." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-36474.

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The Kvarntorp area, some 200 km SW of Stockholm, Sweden, is a former mining site for alum shale. Kvarntorpshögen is a refuse dump from the hydrocarbon extraction during 1940-1965. The area is also dotted by abandoned quarries, which most are water filled today. The area is divided into two watersheds; the central and the eastern. Frommestabäcken is the main watercourse flowing out of the central watershed while Frogestabäcken is the corresponding watercourse in the eastern watershed. These two watercourses have been sampled annually since 1994 by consulting companies for the municipality of Ku

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11

Wells, David Alan. "Radon properties, chemistry and occurrence with emphasis on ground water." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-04272010-020026/.

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12

Foulger, Timothy R. "Water chemistry variations below regulating reservoirs in Great Britain." Thesis, Loughborough University, 1986. https://dspace.lboro.ac.uk/2134/28049.

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The downstream influence of storage reservoirs upon river water chemistry is an area largely devoid of literature. Yet approximately fifty per cent of such reservoirs in Great Britain significantly regulate flow, both by flood control, and increasingly through irregular but discrete large-volume releases. Natural patterns of stream water chemistry are shown to be disturbed by the effects of Man, through changing land-use and effluent discharge. Moreover, the establishment of a reservoir in the head waters of a major river, can change the water quality regime for a considerable distance below t

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13

Shavorskiy, Audrey. "chemistry of amino acids at the water-metal interfaces." Thesis, University of Reading, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529971.

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14

Cornelissen, Alex. "The chemistry and technology of water cleaning by flocculation." Thesis, Queen's University Belfast, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387927.

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15

Ajayi, Toluwaleke. "Modeling Discharge and Water Chemistry Using Artificial Neural Network." Ohio University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1620167556121952.

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16

Kurnia, Drs. "The analytical chemistry of cyanide in acetonitrile-water mixtures." Thesis, Drs Kurnia, (1995) The analytical chemistry of cyanide in acetonitrile-water mixtures. PhD thesis, Murdoch University, 1995. https://researchrepository.murdoch.edu.au/id/eprint/51574/.

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A method for the simultaneous determination of total gold and available cyanide in gold cyanidation solutions has been investigated. Total gold and available cyanide in cyanidation solutions are determined by ion exchange chromatography-HPLC under slightly acidic conditions. Cyanide is determined by measuring the peak height associated with the formation of the nickel-cyanide complex which is formed by adding an excess of nickel(II) to the gold cyanidation solution. The nickel(D)-cyanide complex is not strong enough to dissociate the very strong dicyanoaurate(I). Anion exchange is used for the

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17

Gustafson, Joseph Rhodes. "Quantifying Spatial Variability of Snow Water Equivalent, Snow Chemistry, and Snow Water Isotopes: Application to Snowpack Water Balance." Thesis, The University of Arizona, 2008. http://hdl.handle.net/10150/193330.

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This study quantifies spatial and temporal patterns in snow water equivalent (SWE), chemistry, and water isotopes associated with snowpack shading due to aspect and vegetation in the Valles Caldera National Preserve, New Mexico. Depth, density, stratigraphy, temperature, and snow chemistry, isotope, and biogeochemical nutrient samples were collected and analyzed from five snowpit locations on approximate monthly intervals between January-April 2007. SWE showed little variability between sites in January (~10mm) but differences expanded to 84mm (30%) by max accumulation in open sites and 153m

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18

Huntress, David William. "Chemical Dynamics During High Discharge Events at Three Forested Catchments in Eastern Maine, USA." Fogler Library, University of Maine, 2008. http://www.library.umaine.edu/theses/pdf/HuntressDW2008.pdf.

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19

Wang, Ying. "Theoretical Studies on Artificial Water Splitting-Water Oxidation and Proton Transfer." Licentiate thesis, KTH, Teoretisk kemi och biologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-102566.

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The present thesis is concerned with the theoretical studies on artificial water splitting process. As the quick development of research on utilizing of solar energy, which is a green, clean, and renewable energy source, many research groups focus their attention on artificial photo-synthesis systems inspired by the photosystem I and II. The overall reaction in these artificial systems is water splitting to oxygen and hydrogen. Artificial water splitting can generally be divided into two half reactions, catalytic water oxidation and catalytic proton reduction. There is an increasing interest a

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20

Sayed, Shakeela. "Remediation of water using modified chitosan." Master's thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/6361.

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Includes bibliographical references.<br>Water treatment has been an area of increasing concern over the last decade. This interest is due to exponential increase in demand of already limited water sources. Therefore the treatment of wastewater for re-use is a topic of great interest. The treatment applied depends on the source and quality of the water. Common water treatment options include filtration, flocculation, coagulation, lime softening, reverse osmosis and clarification to name a few. In addition, water should also be treated for the presence of harmful micro-organisms which is normall

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21

Walker, I. M. "The formation and evaluation of water-in-oil-in-water multiple emulsion systems." Thesis, University of Nottingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371137.

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22

Rowell, Simon C. "Mechanism and promotion of Sandmeyer chemistry." Thesis, University of York, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387548.

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23

McCormick, John. "Chemistry of titanium dioxide nanoparticles." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 10.93 Mb., 224 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3220706.

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24

Tuladhar, Aashish. "Structure and Dynamics of Water Next to Mineral Surfaces." Diss., Temple University Libraries, 2016. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/420679.

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Chemistry<br>Ph.D.<br>Vibrational sum frequency generation (vSFG) spectroscopy is a second order non-linear technique that can efficiently and selectively investigate an interface between two media. vSFG spectroscopy has been frequently used to interrogate the mineral/water interface by probing the interfacial O−H stretch, which is an excellent reporter of its hydrogen bonding environment. My work, described in this dissertation, is focused on using steady-state and time-resolved vSFG spectroscopy to understand how (a) the type of mineral, (b) the crystalline faces of the mineral, (c) the surf

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25

Wang, Ruifu. "The Solution Behavior of Abundant Metals based Water Oxidation Catalysts." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1460301627.

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26

Brown, Stacy D. "The Formula For Water." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/etsu-works/5257.

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27

Morten, Christopher J. (Christopher John). "Endo-selective epoxide-opening cascades in water." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/65271.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2011.<br>Vita. Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Chapter I. Introduction to the Ladder Polyethers. We introduce the bioactivity of the ladder polyether natural products and provide an overview of the puzzle that is their biogenesis. Cascades of endo-selective epoxide opening inspired by the biosynthetic proposal and promoted by simple neutral water can provide efficient access to these compounds. Chapter II. Water-Promoted Epoxide Opening Accommodates Methyl Substitution.

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28

Mokoena, Allistair Frans. "Water dynamics about selected monosaccharides in solution." Master's thesis, University of Cape Town, 2014. http://hdl.handle.net/11427/13382.

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Includes bibliographical references.<br>The solubility of molecules in water is governed, amongst other things, by the inherent properties of the solute molecules and water molecules. Water molecules are able to simultaneously form hydrogen bonds as donors and acceptors and thus have unique properties as solvent molecules. These properties influence how water interacts with solute molecules. The mechanism of hydrogen bond exchange plays a role in the hydration of solute molecules. A key to understanding some of the biological processes lies in understanding how solutes interact with water. In

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29

Roger, Barba Isolda. "Investigations into electrochemical water splitting." Thesis, University of Glasgow, 2017. http://theses.gla.ac.uk/8228/.

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The work detailed in this thesis is organized in the following manner: In Chapter 1 we discuss electrochemical and photoelectrochemical catalysts in the context of their application for solar-to-hydrogen devices. During this introduction we will give an overview of the current state of the field, discussing the different kinds of materials that are being investigated before giving a brief description of some actual solar-to-hydrogen devices and finishing with a discussion of the current and future challenges in the field. Chapter 2 is a description of the different techniques used throughout t

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30

Kuo, Yenting. "Photocatalytic water splitting." Diss., Kansas State University, 2011. http://hdl.handle.net/2097/12141.

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Doctor of Philosophy<br>Department of Chemistry<br>Kenneth J. Klabunde<br>New photocatalystic materials Ti-In oxy(nitride) and nanosized Ru-loaded strontium titanate doped with Rh (Ru/SrTiO3:Rh) have been synthesized. The textural and surface characteristic properties were studied by nitrogen BET analysis, diffuse reflectance UV-vis spectroscopy, X-ray photoelectron spectroscopy, transmission electron microscopy, scanning electron microscopy and powder XRD. The photocatalytic properties were enhanced by the binary metal oxides of titanium dioxide and indium oxide. The XRD patterns confirmed th

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31

Zhang, Yan. "Relative Effects of Water Chemistry on Aspects of Iron Corrosion." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/35501.

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The net present replacement value of all publicly and privately owned potable water pipes in the U.S. is on the order of $2.4 trillion dollars, and costs associated with deteriorating iron pipes is billions of dollars per year. Problems arising from iron corrosion include reduced lifetime of the material, scale buildup and energy loss, nonuniform corrosion and leaks, catastrophic failure, "red water," disinfectant loss and bacterial re-growth. Iron corrosion is a very complicated process and is affected by many factors. This research focused on the effect of disinfectant type, sulfate/chloride

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32

Doremus, Llyn, and David Kreamer. "Groundwater Movement and Water Chemistry at Bryce Canyon National Park." Arizona-Nevada Academy of Science, 2000. http://hdl.handle.net/10150/296565.

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33

Withers, Anthony Charles. "Water in the mantle." Thesis, University of Bristol, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390105.

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34

Barker, Jason Alan. "Investigations of Liposome/Water Partitioning Using Electrokinetic Chromatography." NCSU, 2005. http://www.lib.ncsu.edu/theses/available/etd-01072005-041518/.

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In this two-part investigation, Linear Solvation Energy Relationship (LSER) models were applied to liposome/water partitioning data determined by liposome electrokinetic chromatography (LEKC). In the first part of the study, LEKC retention factors were determined for a set of 71 solutes including 50 neutral aromatic solutes and 21 neutral drugs using the liposome phases mM DPPG20DPPC80, 15 mM DPPG20DPPC80/3 mM cholesterol, and 15 mM DPPG20DPPC80/6 mM cholesterol. These retention factors were used to determine linear solvation energy relationships (LSER) models for each of the three lipid phase

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35

Eaves, Joel David 1976. "Vibrational dynamics in water from the molecule's perspective." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/30206.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2005.<br>Vita.<br>Includes bibliographical references.<br>Liquid water is a fascinating substance, ubiquitous in chemistry, physics, and biology. Its remarkable physical and chemical properties stem from the intricate network of hydrogen bonds that connect molecular participants. The structures and energetics of the network can explain the physical properties of the substance on macroscopic length scales, but the events that initiate many chemical reactions in water occur on the time scales of [similar to] 0.1 - 1 pico

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36

Shrestha, Sweta. "Photochemical Water Oxidation by Zeolite-supported Manganese Oxides." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1408983765.

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37

Baines, Fiona Louise. "Water-soluble hydrophilic-hydrophobic block copolymers." Thesis, University of Sussex, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283139.

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38

Li, Muxiu. "Synthesis of functional water-soluble polymers." Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/60357/.

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The objective of this work was to synthesise water-soluble polymers bearing desirable functionality, particularly to improve water-solubility of phthalocyanines by incorporation of hydrophilic polymers for personal oral care applications. Prior to preparation of water-soluble polymers containing phthalocyanine, the second chapter described the synthesis of ferrocenyl initiator for polymerisation of tert-butyl acrylate by SET-LRP, followed by acidolysis of tert-butyl group yielding poly(acrylic acid) containing ferrocenyl end group. The resulting polymer could be used as the scale inhibitor for

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39

Saha, Shikha. "Stationary phases for superheated water chromatography." Thesis, Loughborough University, 2002. https://dspace.lboro.ac.uk/2134/35589.

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This project focused on the comparison of conventional liquid chromatography and superheated water chromatography. It examined the differences in efficiency and retention of a range of different stationary phases. Alkyl aryl ketones and eight aromatic compounds were separated on PBD-zirconia, Xterra™ RP 18, Luna™ C18(2) and Oasis HLB™ columns using conventional LC and superheated water chromatography system. The retention indices were determined in the different eluents. On changing the organic component of the eluent from methanol to acetonitrile to superheated water considerable improvements

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40

Bymers, Leah. "The effects of changes in flow on the ecological condition of two Arizona streams analysis of trends in water chemistry and structure of biological assemblages /." Thesis, The University of Arizona, 2005. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_etd_hy0076_sip1_w.pdf&type=application/pdf.

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41

Beck, Corey Andreu. "Theoretical Studies of Solid and Liquid Water Systems." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337969878.

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42

Benning, B. K. "Novel high water content hydrogels." Thesis, Aston University, 2000. http://publications.aston.ac.uk/9809/.

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The addition of N-isopropyl acrylamide to an acrylamide-based composition that had previously been designed to become a contact lens, produced materials that showed smart effects in that the water content showed dependence on the temperature of the hydrating solution. Such thermo-responsive materials have potential uses in drug delivery, ultrafiltration and cell culture surfaces. Proteoglycans in nature have an important role to play in structural support where a highly hydrophilic structure maintains lubricious surfaces. Certain functional groups that impart this hydrophilicity are present in

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43

Fecko, Christopher J. 1975. "Spectroscopic investigations of hydrogen bond dynamics in liquid water." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/16652.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2004.<br>MIT Institute Archives copy: pages 215 to 304 bound in reverse order.<br>Includes bibliographical references.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Many of the remarkable physical and chemical properties of liquid water are due to the strong influence hydrogen bonds have on its microscopic dynamics. However, because of the fast timescales involved, there are relatively few experimental techniques

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44

Seymour, Lisa. "A computer model of water-in-oil emulsion coagulation." Doctoral thesis, University of Cape Town, 1996. http://hdl.handle.net/11427/17966.

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Include bibliographical references.<br>In this thesis, a stochastic computer model of water-in-oil emulsion coagulation, a two stage process of aggregation and coalescence, is presented. The theoretical basis of the model, including equations for the van der Waals, electrostatic and steric energy barriers between dissimilar droplets, is described. Many of these equations have been derived by the author. A chemical speciation study of the aqueous phase typically found in emulsion explosives is presented. A potentiometric investigation of the protonation equilibria of propionate, succinate and m

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45

Cohen, Michael H. "Collisional activation dynamics of ion systems associated with water /." The Ohio State University, 1999. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488187763848448.

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46

Gaither, Scott P. "Biological Water: A Brief Review of Hydration Dynamics using Complex Systems." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1532015941319059.

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47

Boulesbaa, Abdelaziz. "Ultrafast Vibrational Dynamics at the Solid/Water Interface." Diss., Temple University Libraries, 2014. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/238898.

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Chemistry<br>Ph.D.<br>No doubt, water is the most important liquid on the planet. In addition to the obligatory need for water in life, water is widely used in diverse applications. In most applications if not all, water is interfaced with different materials, at different phases depending on the application. This unique value of water originates from its chemical structure, which is based on hydrogen bonding. Although these chemical bonding in bulk liquid and vapor water have extensively been investigated, in interfacial water are not yet fully understood. This thesis presents an investigatio

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48

Mager, Edward Michael. "Interactions Between Water Chemistry and Waterborne Lead Exposure to Freshwater Organisms." Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_dissertations/666.

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This dissertation characterizes the influences of water chemistry on the acute toxicity of lead (Pb) to two of the long-standing sentinel test organisms commonly employed by the United States Environmental Protection Agency (USEPA), the fathead minnow (Pimephales promelas) and daphnid (Ceriodaphnia dubia), for parameterization of an acute Pb Biotic Ligand Model (BLM). In addition, a toxicogenomic approach was employed to identify genes that might serve as molecular markers of Pb exposure and long-term effects, as well as provide new insights as to the underlying toxic mechanisms of chronic Pb

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49

Wong, Wing-sze, and 黃穎詩. "Water chemistry in the Kam Tin basin, natural and authropogenic influences." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38605843.

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50

Raper, David William. "Acid deposition and water chemistry in the Derbyshire High Peak District." Thesis, Manchester Metropolitan University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328398.

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This thesis presents data from an integrated study of precip~tation, ground and surface water chemistry from 460 km of the Peak District, between May 1987 and April 1988. All samples have been analysed for a suite of nine major ions. Data have been used to: (1) describe temporal and spatial variability of acid precipitation and deposition; (2); examine the controls on precipitation chemistry; (3) describe the chemistry of sampled waters and elucidate catchment processes; and (4) examine the impact of bulk deposition on ground and surface water chemistry. The dense network of collectors has cle

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