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Dissertations / Theses on the topic 'Pure and mixed solvent systems'

Author: Grafiati

Published: 18 May 2024

Last updated: 31 July 2025

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1

Dakua, Vikas Kumar. "Physico-chemical studies on interactions between ion-solvent, ion-ion and solvent-solvent in aqueous and non-aqueous pure and mixed solvent systems." Thesis, University of North Bengal, 2008. http://hdl.handle.net/123456789/707.

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2

Barman, Biraj Kumar. "Investigation of diverse interactions and inclusion complexation in different environment by physicochemical methodology." Thesis, University of North Bengal, 2018. http://ir.nbu.ac.in/handle/123456789/2622.

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3

Brahman, Dhiraj. "PHYSICO-CHEMICAL STUDIES OF SOME SCHIFF BASE COMPLEXES OF TRANSITION METALS IN PURE AND MIXED SOLVENT MEDIA." Thesis, University of North Bengal, 2013. http://hdl.handle.net/123456789/973.

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4

Hamilton, Patrick Neal. "The behavior and separation of polystyrene in mixed solvent systems." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1256.

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5

Mullins, Paul Eric. "Application of COSMO-SAC to Solid Solubility in Pure and Mixed Solvent Mixtures for Organic Pharmacological Compounds." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/31086.

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<p>In this work, we present two open literature databases, the VT-2005 Sigma Profile Database and the VT-2006 Solute Sigma Profile Database, that contain sigma profiles for 1,645 unique compounds. A sigma profile is a molecular-specific distribution of the surface-charge density, which enables the application of solvation-thermodynamic models to predict vapor-liquid and solid-liquid equilibria, and other properties. The VT-2005 Sigma Profile Database generally focuses on solvents and small molecules, while the VT-2006 Solute Sigma Profile Database primarily consists of larger, pharmaceutical

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6

Chavez, Krystle J. "Crystallization of pseudopolymorphic forms of sodium naproxen in mixed solvent systems." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/29759.

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Thesis (Ph.D)--Chemical Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Rousseau, Ronald; Committee Member: Meredith, Carson; Committee Member: Prausnitz, Mark; Committee Member: Teja, Amyn; Committee Member: Wilkinson, Angus. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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7

Nzengung, Valentine Asongu. "Organoclays as sorbents for organic contaminants in aqueous and mixed-solvent systems." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/26460.

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8

Penner, S., and H. Lorenz. "From Pure Oxides to Mixed Oxides: Model Systems for Structural and Catalytic Studies." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35049.

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As pure oxides and mixed oxide systems play an ever-increasing role in a variety of research fields ranging from catalysis over electrochemical applications to microelectronics, the present contribution aims at introducing a straightforward concept for the easy and reproducible preparation of well-defined and well-structured thin film model systems both for pure and mixed oxide systems. Exploiting the special structural and surface properties of vacuum-cleaved NaCl (001) growth templates, the concept is exempli-fied for the formation of nano-spheres (Ga2O3), nano-pyramids (In2O3), plates and n

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9

Cikalo, Maria Gillian. "Separation and quantification of weakly-absorbing and low-concentration analytes by capillary electrophoresis." Thesis, University of York, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321675.

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10

Das, Bijan. "Physico - chemical investigations on the ion-solvent interactions of some Tetraalkylammonium and common ions in non-aqueous and mixed binary aqueous solvent systems." Thesis, University of North Bengal, 1992. http://hdl.handle.net/123456789/719.

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11

Solorio, Sanchez Francisco Javier. "Soil fertility and nutrient cycling in pure and mixed fodder bank systems using leguminous and non-leguminous shrubs." Thesis, University of Edinburgh, 2005. http://hdl.handle.net/1842/14446.

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12

Sánchez, F. J. S. "Soil fertility and nutrient cycling in the pure and mixed fodder bank systems using leguminous and non-leguminous shrubs." Thesis, University of Edinburgh, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.662220.

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The overall objective of this thesis work, in the Yucatán peninsula (México), was to establish a system with mixed woody species (leguminous/non-leguminous) to investigate the extent to which they increase nitrogen uptake and growth. The study tested the hypothesis that such mixtures may stimulate of N<sub>2</sub> fixation from the atmosphere and the transfer of N from leguminous to non-leguminous plants. Three woody species were selected: <i>Leucaena leucocephala </i>(legume), <i>Moringa oleifera </i>(non-legume) and <i>Guazuma ulmifolia</i> (non-legume). More than 80% of planted seedlings su

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13

蔡曜隆. "Vapor-liquid equilibria(VLE) of binary mixed solvent systems." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/28254880837770085070.

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碩士<br>明新科技大學<br>化學工程研究所<br>96<br>PGME (propylene glycol monomethyl ether) is widely used as photoresist edge bead remover (EBR) in the liquid crystal display (LCD) manufacturing process. It is important to provide accurate vapor-liquid equilibrium data of binary water + PGME and methanol + PGME systems for the design of separation units. In the experimental part, a static-type VLE meauurement apparatus was utilized at atmosphere pressure. For the water + PGME system, an azeotrope is formed at 83 mol% of water. The vapor-liquid equilibrium data were correlated by the NRTL and the UNIQUAC activi

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14

Li, Chi-Kwong, and 李繼廣. "Heat capacity of mixed solvent desiccant:SALT/GLYCOL/H2O systems." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/wq9yy6.

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碩士<br>中原大學<br>化學工程研究所<br>92<br>Abstract The aqueous-organic with salt systems have been recently considered as potential absorbents for liquid desiccants to absorb moisture from air. For rational design of the dehumidifier process, heat capacities of liquid desiccants are required to estimate the correct heating load of dehumidifier equipments. Heat capacities of salt/glycol/H2O systems have been measured in this study over the temperature range 30 to 80 °C with a differential scanning calorimeter. The salts studied are lithium chloride (LiCl) and lithium bromide (LiBr); the glycols considere

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15

Hsu, Shu-Ming, and 許書銘. "A Study on the Solubilities of Electrolyte Mixed Solvent Systems." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/43594507151211380247.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>88<br>The objective of this study is to investigate the solubility of salt in mixed solvent systems. In the experimental part, a gravimetric analysis apparatus was employed to measure the solubility at 298.15K for nine ternary systems of ethanol-water-NaCl, n-propanol-water-NaCl, i-propanol -water-NaCl,n-butanol-water-NaCl, methanol-water-NaBr, ethanol -water -NaBr, n-propanol-water-NaBr, i-propanol-water-NaBr, and n-butanol -water-NaBr. In the theoretical part, the Chen’s models(1982, 1986) were used to calculate the mean activity coefficients of elec

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16

Appaw, Collins. "Rheology and microstructure of cellulose acetate in mixed solvent systems." 2004. http://www.lib.ncsu.edu/theses/available/etd-01102005-140944/unrestricted/etd.pdf.

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17

Haider, Miran. "Geometric Phases In Quantum Systems Of Pure And Mixed State." Thesis, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-48008.

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Note that equations and expressions has been omitted here and is instead presented in the work. This thesis focuses on the geometric phase in pure and mixed quantum states. For the case of a pure quantum state, Berry's adiabatic approach (4.1.10) and Aharonov & Anandan's non-adiabatic generalization of Berry's approach (4.2.8) are included in this work. Mixed quantum state involves Uhlmanns approach (5.1.42), which is used extensively in Section 7 and Sjöqvist's et al. approach (5.2.22), used extensively in Section 6. Sjöqvist's approach states that the Uhlmann phase is an observable and

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18

Wu, Ming-Song, and 吳明崧. "A Study on Liquid-Liquid Equilibria of Electrolyte Mixed Solvent Systems." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/45057761185665660469.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>87<br>The objective of this study is to investigate salt effects on liquid-liquid equilibria (LLE) in mixed solvent systems, including experimental measurements and theoretical predictions. For a temperature range of 15-35oC with an increment of 10oC, the experiments of LLE for binary systems of n-butanol(NBA)- water, iso-butanol(IBA)- water and sec-butanol(SBA)- water and that for ternary system of n-butanol(NBA)- water- NaCl were made and checked with literature data. At a single temperature of 25oC, the LLE data for ternary systems of n-butanol(NBA)- water- KCl, i

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19

Lin, Lee Tsung, and 李宗霖. "A Study of Salt Effects on Liquid-Liquid Equilibria for Ternary Mixed Solvent Systems." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/36440300825007317876.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>90<br>The objective of this study is to investigate salt effects on liquid-liquid equilibria (LLE) of ternary mixed solvent systems. In the experimental part, the LLE measurements of n-butyl acetate－n-butanol－water systems saturated with sodium chloride (potassium chloride or potassium sulfate) were made at 298.15K. It was observed that the salt effect enlarges the area of the two-phase region in the LLE phase diagram. To simulate the salt effects on LLE of ternary mixed solvent systems, a TTK-Wilson activity coefficient model was used to represent the non

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20

Hing-Hung, Lin, and 林信宏. "Experimental Investigation on the Shearing Rheology of Dilute Polystyrene in Single and Mixed Solvent Systems." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/87992379043945331634.

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碩士<br>國立中正大學<br>化學工程研究所<br>92<br>We performed systematical experimental investigations on the shearing rheology of dilute polystyrene in single, highly viscous (DOP) as well as in mixed, highly viscoelastic (DOP plus short-chain polystyrene) solvent systems. Following the usual shear thinning, a pronounced shear thickening followed by a second shear thinning was observed at even higher shear rates for both solvent systems. Significantly, this phenomenon is in excellent accord with the predictions based on dumbbell/bead-spring models that simultaneously consider the effects of hydrodynamic inte

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21

Tsai, Yueh-fu, and 蔡岳甫. "A Modified Setschenow Equation and its application for Liquid-Liquid Equilibria of Mixed Solvent-Electrolyte Systems." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/68217829903096885894.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>88<br>The objective of this study is to modified Setschenow equation to describe the salt effects on liquid-liquid equilibria (LLE) of mixed solvent systems. In experimental part, the experiments of LLE for binary systems of n-butanol- water, iso-butanol- water and sec-butanol- water and that for ternary system of n-butanol- water- NaCl were made and checked with literature data (De Santis, 1976). The LLE data for ternary systems of n-butanol- water- KCl, iso-butanol- water- KCl and sec-butanol- water- KCl were measured at a single temperature of 298.15K.

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22

Chen, Shang-Yi, and 陳尚誼. "Vapor Pressure, Density, and Viscosity Measurements of Mixed-Solvent Desiccant Systems containing Glycol (DEG/TEG/T4EG/PG/DPG/TPG) + Salt (MgCl2) + Water." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/42807792852604569371.

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碩士<br>中原大學<br>化學工程研究所<br>98<br>In this work, new experimental data for vapor pressure, density, and viscosity of the mixed-solvent desiccant systems containing 40.0 wt% glycol (1) + salt (2) + water (3) were reported for temperatures up to 343.15 K (normal atmospheric condition). The considered glycols were diethylene glycol, triethylene glycol, propylene glycol, tetraethylene gloycol, dipropylene glycol and tripropylene glycol; and the salt is magnesium chloride (wt% = 4.0, 9.0, and 16.0). The vapor pressure, density, and viscosity were presented as functions of temperature and compositions.

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