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Dissertations / Theses on the topic 'Desorption kinetic'

Author: Grafiati

Published: 9 March 2023

Last updated: 31 July 2025

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1

YuÌˆzak, Yaprak. "Adsorption/desorption kinetic studies of vapours on porous carbon materials." Thesis, University of Newcastle Upon Tyne, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273521.

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2

Jung, Linda Suna. "Quantitative kinetic analyses of adsorption and desorption processes at the liquid-solid interface with surface plasmon resonance /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/11583.

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3

Araujo, Eloá Moura. "Bioconcentration and desorption kinetic of potentially toxic elements in soils cultivated with horticultural crops in organic and conventional systems." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-18052018-114411/.

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Potentially toxic elements (PTEs) can be absorbed and accumulated in vegetables organ and tissues, and this is an important channel through which PTEs can enter into the food chain. Soil management may interfere in the behavior of PTEs in the system. So, the study of the dynamics of elements in the soil is fundamental to a better understanding of factors that influence soil-plant transfer. In the state of Pernambuco, Brazil, the production of vegetables is mainly concentrated in small or medium organic and conventional farms located in the Agreste and Sao Francisco regions. Our aims in this re

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4

Lalley, Jacob. "Phosphate Remediation and Recovery from Lake Water using Modified Iron Oxide-based Adsorbents." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1427812939.

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5

Dittler, Roy Frank. "Reducing Ultra-High-Purity (UHP) Gas Consumption by Characterization of Trace Contaminant Kinetic and Transport Behavior in UHP Fabrication Environments." Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/321322.

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Trends show that the fraction of the world's population with electronic devices using modern integrated circuits is increasing at a rapid rate. To meet consumer demands: less expensive, faster, and smaller electronics; while still making a profit, manufacturers must shrink transistor dimensions while increasing the number of transistors per integrated circuit; a trend predicted by Gorden E. Moore more than 44 years prior. As CMOS transistors scale down in size, new techniques such as atomic-layer deposition (ALD) are used to grow features one atomic layer at a time. ALD and other manufacturing

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6

GHAANI, MOHAMMAD REZA. "Study of new materials and their functionality for hydrogen storage and other energy applications." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/49808.

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The first part of this thesis deals with hydrogen storage materials, in view of their applications as promising energy carriers. One of the main open problems with these materials is: how can their decomposition temperature be lowered, when hydrogen is wanted to be released, so as to improve the energy efficiency of the process. A possible answer is given by joint decomposition of two or more hydrides, if very stable mixed compounds are formed (‘hydride destabilization’). Aiming at this result, the new hydride composite 2LiBH4-Mg2FeH6 was considered, it was synthesized, and its thermodynamic a

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7

Szost, Blanka Angelika. "Hydrogen trapping in bearing steels : mechanisms and alloy design." Thesis, University of Cambridge, 2013. https://www.repository.cam.ac.uk/handle/1810/244934.

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Hydrogen embrittlement is a problem that offers challenges both to technology and to the theory of metallurgy. In the presence of a hydrogen rich environment, applications such as rolling bearings display a significant decrease in alloy strength and accelerated failure due to rolling contact fatigue. In spite of these problems being well recognised, there is little understanding as to which mechanisms are present in hydrogen induced bearing failure. The objective of this thesis are twofold. First, a novel alloy combining the excellent hardness of bearing steels, and resistance to hydrogen embr

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8

Berhane, Tedros Mesfin. "KINETIC AND EQUILIBRIUM SORPTION EXPERIMENTS INVESTIGATING PALYGORSKITE-MONTMORILLONITE AS A POTENTIAL FILTER MEDIUM FOR REMOVAL OF PHARMACEUTICALS AND ENDOCRINE-DISRUPTING COMPOUNDS." Miami University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=miami1429882830.

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9

Hurley, Caitlin Mae. "Kinetic study of hydrogen-material interactions in nickel base alloy 600 and stainless steel 316L through coupled experimental and numerical analysis." Phd thesis, Toulouse, INPT, 2015. http://oatao.univ-toulouse.fr/14454/1/hurley.pdf.

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In France all of the nuclear power plant facilities in service today are pressurized water reactors (PWR). Some parts of the PWR in contact with the primary circuit medium, such as the steam generator tubes (fabricated in nickel base alloy A600) and some reactor core internal components (fabricated in stainless steel 316L), can fall victim to environmental degradation phenomena such as stress corrosion cracking (SCC). In the late 1950's, H. Coriou observed experimentally and predicted this type of cracking in alloys traditionally renowned for their SCC resistance (A600). Just some 20 to 30 yea

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10

Thinon, Olivier. "CO conversion over dual-site catalysts by the Water-Gas Shift Reaction for fuel cell applications : comparative mechanistic and kinetic study of gold and platinum supported catalysts." Thesis, Lyon 1, 2009. http://www.theses.fr/2009LYO10187.

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Les piles à combustible, alimentée par de l’hydrogène, représentent une solution prometteuse pour limiter la pollution. L’une des alternatives économiques envisagées à court et moyen terme est de produire l’hydrogène à partir d’un carburant tel que le méthane ou le bio-éthanol. Cette transformation a pour objectif d’obtenir un mélange de gaz riche en hydrogène avec une très faible teneur en CO, ce dernier étant un poison pour les piles de type PEM. La réaction de Water-Gas Shift (WGS) est une étape clé du procédé ; elle convertit CO en CO2 par réaction avec l’eau et fournit une quantité d’hydr

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11

Tayal, R. K. "Hydrophilic acrylics: polymerisation kinetics, adsorption/ desorption isotherms." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2013. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2178.

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12

Acharya, Ananta R. "Indium Nitride Surface Structure, Desorption Kinetics and Thermal Stability." Digital Archive @ GSU, 2013. http://digitalarchive.gsu.edu/phy_astr_diss/62.

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Unique physical properties such as small effective mass, high electron drift velocities, high electron mobility and small band gap energy make InN a candidate for applications in high-speed microelectronic and optoelectronic devices. The aim of this research is to understand the surface properties, desorption kinetics and thermal stability of InN epilayers that affect the growth processes and determine film quality as well as device performance and life time. We have investigated the structural properties, the surface desorption kinetics, and the thermal stability using Auger electron spectros

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13

Haas, Ole-Erich, Jean-Marc Simon, and Signe Kjelstrup. "Adsorption-desorption kinetics of H 2 molecules on graphite." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-189614.

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14

Olgun, Asim. "The kinetics and dynamics of the liquid surface from molecular beam scattering." Thesis, University of Sussex, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388968.

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15

Kunberger, Tanya Marie. "Temperature Effect on Desorption Kinetics of Benzene on Various Soils." NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20011107-090112.

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<p> Since the advent of diesel fuel use, insufficient storage and inadequate transport and disposal practices have resulted in widespread contamination of the subsurface environment. Beginning in the 1970?s, the United States EPA has established a number of regulations controlling current and future storage, transport, and disposal efforts and address the need to remediate existing contaminated sites. However, regulations provide only the desired goal, not a roadmap of how to accomplish remediation. It falls then, to individuals in research and industry, to devise techniques effective in reduc

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16

Garman, Stephanie Michelle. "Desorption Kinetics of Lead from Goethite: Effect of Mixing and Sorption Period." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/41240.

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In natural systems, the solution concentration and hence, potential bioavailability of trace metals is primarily controlled by adsorption-desorption reactions at the mineral-water interface. While many studies have been conducted to understand the adsorption of trace metals to soil minerals, less is known about long-term adsorption/desorption processes. In this study, we examined the influence of mixing and sorption period on the desorption of lead from goethite. Lead sorption was rapid and essentially complete in 1 h, with no change in the quantity of lead adsorbed over the 6 month sorptio

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17

Richard, Dominique. "Kinetics of manganese adsorption, desorption and oxidation in coastal marine sediments." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=104559.

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In organic-rich sediments with a thin oxidised surface layer, sediment resuspension by physical or biological processes may contribute to the manganese flux by exposing Mn(II)-laden anoxic sediment to the water column. The adsorbed Mn(II) can then be desorbed to the water column or sequestered by the solid phase upon oxidation to insoluble Mn(IV) oxides. Ultimately, the flux of Mn(II) to the water column depends on the relative rates of Mn(II) desorption and Mn(II) oxidation at the surface of sediment particles. First-order rate constants for adsorption, desorption and oxidation of Mn(II) in n

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18

Ruthven, Douglas M. "Adsorption and desorption kinetics for diffusion controlled systems with a strongly concentration dependent diffusivity: Adsorption and desorption kinetics for diffusion controlledsystems with a strongly concentration dependent diffusivity." Diffusion fundamentals 6 (2007) 51, S. 1-11, 2007. https://ul.qucosa.de/id/qucosa%3A14230.

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The formal solution to the diffusion equation for transient adsorption in a semiinfinite medium with a strongly concentration dependent diffusivity, originally derived by Fujita ( 3 ), has been extended to desorption. Profiles for adsorption and desorption are compared and simplified asymptotic expressions which are useful when the diffusivity ratio is large are derived. The effect of a strongly concentration dependent diffusivity on adsorption and desorption kinetics is briefly considered.

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19

Krause, Sophia [Verfasser]. "Desorption kinetics from albumin and the influence on hepatic metabolism / Sophia Krause." Halle, 2018. http://d-nb.info/1179184424/34.

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20

Wright, Steven. "The kinetics of adsorption, reaction and desorption on single crystal silicon surfaces." Thesis, University of Southampton, 1996. https://eprints.soton.ac.uk/406817/.

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21

Schlichting, Hartmut Verfasser], Dietrich [Akademischer Betreuer] [Menzel, George [Akademischer Betreuer] Comsa, and Gerhard [Akademischer Betreuer] Abstreiter. "Methoden und Mechanismen der thermischen Desorption : Adsorptions-, Desorptions-Kinetik, Epitaxie und Ordnung von Edelgasschichten auf Ru(001) / Hartmut Schlichting. Gutachter: George Comsa ; Dietrich Menzel ; Gerhard Abstreiter. Betreuer: Dietrich Menzel." München : Universitätsbibliothek der TU München, 2015. http://d-nb.info/106497662X/34.

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22

Mengesha, Abi Taddesse. "Characterizing phosphate desorption kinetics from soil: an approach to predicting plant available phosphorous." Pretoria : [s.n.], 2008. http://upetd.up.ac.za/thesis/available/etd-01212009-094137.

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23

Neitsch, Susan Lynn. "Adsorption and desorption of atrazine on a melamine-based soil amendment." Thesis, Texas A&M University, 2004. http://hdl.handle.net/1969.1/567.

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Adsorption kinetics and adsorption-desorption of atrazine on organoclay composites prepared with the surfactant 6-piperazin-1-yl-N,N'-bis-(1,1,3,3-tetramethyl-butyl)-(1,3,5)triazine-2,4-diamine and Houston Black clay were studied using the indirect batch equilibration procedure. The organoclay composites sorbed significantly more atrazine than the Houston Black clay. Adsorption equilibrium was reached after 72 h for the organoclay composites. Atrazine adsorption isotherms were described by linear partitioning. The Koc values ranged from 605 to 5271 L kg-1 for the organoclay composites comp

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24

Mikutta, Christian. "Controls of the phosphate sorption and desorption kinetics of organic matter goethite associations." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=979599083.

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25

Shi, Zhenqing. "Kinetics of trace metals sorption on and desorption from soils developing predictive models /." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 3.09 Mb., 309 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:3205426.

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26

Haas, Ole-Erich, Jean-Marc Simon, and Signe Kjelstrup. "Adsorption-desorption kinetics of H 2 molecules on graphite: a molecular dynamics study." Diffusion fundamentals 11 (2009) 29, S. 1-2, 2009. https://ul.qucosa.de/id/qucosa%3A13978.

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27

Mengesha, Abi Taddesse. "Characterizing phosphate desorption kinetics from soil : an approach to predicting plant available phosphorus." Thesis, University of Pretoria, 2008. http://hdl.handle.net/2263/24346.

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Many agricultural fields that have received long-term applications of P often contain levels of P exceeding those required for optimal crop production. Knowledge of the effect of the P remaining in the soil (residual effect) is of great importance for fertilization management. In order to characterize P forms in soils, a wide variety of methods have been proposed. The use of dialysis membrane tubes filled with hydrous ferric oxide (DMT-HFO) has recently been reported as an effective way to characterize P desorption over a long-term in laboratoty studies. However, there is little information on

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28

Seeley, Marisa A. "Interactions of Additives on Surfaces via Temperature Programmed Desorption." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron151394915585005.

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29

Ruthven, Douglas M. "Adsorption and desorption kinetics for diffusion controlled systems with a strongly concentration dependent diffusivity." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-193874.

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The formal solution to the diffusion equation for transient adsorption in a semiinfinite medium with a strongly concentration dependent diffusivity, originally derived by Fujita ( 3 ), has been extended to desorption. Profiles for adsorption and desorption are compared and simplified asymptotic expressions which are useful when the diffusivity ratio is large are derived. The effect of a strongly concentration dependent diffusivity on adsorption and desorption kinetics is briefly considered.

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30

Glover, II Leslie James. "The Influence of Residence Time and Organic Acids on the Desorption of Goethite." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/33478.

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Trace metal concentrations in soil solution, and hence trace metal bioavailability and toxicity, are primarily controlled by sorption/desorption reactions at the mineral-water interface. While numerous studies have been conducted to understand the initial adsorption of these metals to soil minerals, less in known about long-term adsorption/ desorption processes. The objective of this study was to examine the influence of residence time and organic acids on the desorption of Pb2+and Cd2+ from goethite. Adsorption experiments were conducted at pH 6.0. Lead adsorption was nearly completed aft

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31

Alsemaiel, Riyadh Fahad Abdulrahman. "Solubility and kinetics of nitrogen absorption and desorption in pure liquid and nickel base alloys." Thesis, University of Strathclyde, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393149.

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32

Alsabawi, Khadija, and Evan Gray. "The Effect of Metal Oxides Additives on the Absorption/Desorption of MgH2 for Hydrogen Storage Applications." Thesis, Griffith University, 2019. http://hdl.handle.net/10072/386537.

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Magnesium is considered as one of the more promising candidates for hydrogen storage, primarily because of its abundance and the high hydrogen capacity of MgH2, magnesium dihydride (7.6 wt%). Unfortunately, practical applications of MgH2 are limited by poor hydrogen sorption kinetics and high thermodynamic stability, resulting in slow charging and the need for high temperatures to release the hydrogen. Methods to improve the sorption kinetics of MgH2, through ball-milling, alloying and introducing small amounts of additives are currently under investigation. The aim of this work was to investi

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33

Juillet, Clara. "Mécanismes et cinétiques de perméation de l’hydrogène dans les alliages de zirconium oxydés Kinetics of hydrogen desorption from Zircaloy-4: Experimental and modelling Effect of a pre-oxidation on the hydrogen desorption from Zircaloy-4 Effect of the precipitates on the hydrogen desorption kinetics from zirconium-niobium alloys Kinetics of deuterium permeation through Zircaloy-4 in the 623 – 773 K temperature range." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPAST060.

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Au cœur des réacteurs à eau pressurisée, les pastilles de combustible sont isolées du circuit primaire par des gaines en alliages de zirconium. En conditions nominales de fonctionnement, l’interaction entre ces gaines et le milieu primaire entraîne la formation d’un oxyde et l’absorption d’hydrogène par l’alliage. La désorption de l’hydrogène lors du transport de combustible usé et le relâchement du tritium issu de la réaction de fission au sein des pastilles de combustible en réacteur sont des problématiques importantes pour la sûreté. Il est impératif d’estimer la quantité de tritium suscept

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34

Miao, Zhixin. "Development and Applications of Liquid Sample Desorption Electrospray Ionization Mass Spectrometry (DESI-MS)." Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1347559532.

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35

Sabbahi, Bakhouya Nezha. "Processus de transfert de matière dans un polymère élastomérique (EVA) de forme sphérique : modélisation et expérimentation : influence de plusieurs paramètres sur les cinétiques de transfert et les profils de concentration." Saint-Etienne, 1996. http://www.theses.fr/1996STET4010.

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Le premier objectif dans cette thèse est d'étudier le phénomène de diffusion radiale dans un polymère élastomérique (EVA) de forme sphérique en tenant compte du changement de dimension : gonflement durant l'étape d'absorption et rétrécissement durant l'étape de désorption, modélisation et expérimentation. Le second objectif concerne l'étude des différents paramètres qui influent sur les cinétiques de transfert et les profils de concentration dans différents cas. Plusieurs variables sans dimensions sont considérées : l'expansion volumique, l'expansion linéaire, la diffusivité, le coefficient de

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36

Cheng, Si. "Mass Spectrometric Study of Trace Chemical Analysis, Methanol Electro-Oxidation, and Enzymatic Reaction Kinetics." Ohio University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1478281433519969.

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37

Karimi-Jashni, Ayoub. "Effect of pH on adsorption and desorption equilibria and kinetics of 2-nitrophenol and phenol onto two activated carbons." Thesis, University of Ottawa (Canada), 1994. http://hdl.handle.net/10393/6867.

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The objective of this thesis was to investigate the impact of pH on the adsorption equilibria, adsorption kinetics, desorption equilibria and desorption kinetics. A study was conducted by using 2-nitrophenol (2NP) and phenol as organic pollutants and F-400 and WV-B carbons as adsorbents. The batch adsorption isotherms study showed that at pHs less than pK$\rm\sb{a}$ (undissociated form of compounds), 2NP and phenol adsorption was markedly higher than at pHs greater than pK$\rm\sb{a}$ (dissociated form of compounds). Both carbons were similarly impacted by pH in the adsorption process and they

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38

Liu, Yong. "Desorption kinetics of surface species on Si(100)2X1 and Si(111)7X7 surfaces : theoretical and digital TPD studies." Thesis, University of Southampton, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239634.

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39

Benarouche, Anais. "Etude des interactions lipase-lipides au niveau d'interfaces modèles." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4791.

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Les enzymes lipolytiques sont solubles en phase aqueuse mais hydrolysent des substrats insolubles. Leurs activités lipolytiques dépendent donc fortement de l’organisation des substrats lipidiques présents sous forme de structures interfaciales telles que des émulsions, des micelles, des liposomes, ou des bicouches lipidiques. Les propriétés cinétiques et la spécificité de substrat de ces enzymes résultent de l’étape initiale d’adsorption à l’interface lipide-eau et des interactions entre le substrat et le site actif. Dans le cadre de ce travail de thèse, la technique des films monomoléculaires

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40

Brynjarsson, Hjörtur. "Review and Design Adaptations of a SrCl2-NH3 bench-scale Thermochemical Heat Storage system." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-302505.

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Thermochemical heat storage (TCS) is a thermal energy storage (TES) technology used to store thermal energy for later use. TCS can provide heating or cooling services from intermittently available thermal energy, often low grade waste heat. The system studied here stores and releases the energy in the form of chemical energy by utilizing reversible chemical reactions. TCS has potential to reduce greenhouse gas emissions, increase infrastructure system efficiency, lower society-wide energy system costs and by that contribute to sustainable development. This thesis is part of a joint TCS researc

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41

Krysiak, Stefanie Verfasser], Thorsten [Akademischer Betreuer] [Hugel, and Matthias [Akademischer Betreuer] Rief. "Kinetics of polymer desorption from solid substrates and supported lipid bilayers / Stefanie Krysiak. Betreuer: Thorsten Hugel. Gutachter: Thorsten Hugel ; Matthias Rief." München : Universitätsbibliothek der TU München, 2015. http://d-nb.info/1096459183/34.

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42

Turner, Ned Barrett. "The effect of desorption kinetics on the colloid-facilitated transport of cesium-137 and strontium-90 in a saturated quartz porous medium." Diss., Connect to online resource, 2005. http://wwwlib.umi.com/cr/colorado/fullcit?p1430182.

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43

Tait, Steven L. "Desorption kinetics of small n-alkanes from MgO(100), Pt(111), and C(0001)/Pt(111) and studies of Pd nanoparticles : growth and sintering on Al₂O₃(0001) and methane dissociation on MgO(100) /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/9630.

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44

Kemper, Jasmin [Verfasser], Günter [Gutachter] Ewert, and Marcus [Gutachter] Grünewald. "Kinetik und Stoffübertragung bei der reaktiven CO_2-Absorption/Desorption in speziellen Amin-Blends / Jasmin Kemper ; Gutachter: Günter Ewert, Marcus Grünewald ; Fakultät für Maschinenbau." Bochum : Ruhr-Universität Bochum, 2013. http://d-nb.info/1227707452/34.

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45

Benarouche, Anais. "Etude des interactions lipase-lipides au niveau d'interfaces modèles." Electronic Thesis or Diss., Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4791.

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Les enzymes lipolytiques sont solubles en phase aqueuse mais hydrolysent des substrats insolubles. Leurs activités lipolytiques dépendent donc fortement de l’organisation des substrats lipidiques présents sous forme de structures interfaciales telles que des émulsions, des micelles, des liposomes, ou des bicouches lipidiques. Les propriétés cinétiques et la spécificité de substrat de ces enzymes résultent de l’étape initiale d’adsorption à l’interface lipide-eau et des interactions entre le substrat et le site actif. Dans le cadre de ce travail de thèse, la technique des films monomoléculaires

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46

Golibrzuch, Kai. "Quantum-state specific scattering of molecules from surfaces." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2014. http://hdl.handle.net/11858/00-1735-0000-0023-9904-3.

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47

Stoiber, Karolina Angela [Verfasser], Johannes V. [Akademischer Betreuer] Barth, Johannes V. [Gutachter] Barth, and Ulrich [Gutachter] Heiz. "Investigating molecules at surfaces - from preparative mass spectrometry of large biomolecules to complex desorption kinetics / Karolina Angela Stoiber ; Gutachter: Johannes V. Barth, Ulrich Heiz ; Betreuer: Johannes V. Barth." München : Universitätsbibliothek der TU München, 2021. http://d-nb.info/1235139638/34.

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48

Radhakrishnan, Rakesh. "Structure and Ozone Decomposition Reactivity of Supported Manganese Oxide Catalysts." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/26033.

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Manganese oxide catalysts supported on Al2O3, ZrO2, TiO2 and SiO2 supports were used to study the effect of support on ozone decomposition kinetics. X-ray diffraction (XRD), in-situ laser Raman spectroscopy, temperature programmed oxygen desorption, surface area measurements, extended and near edge x-ray absorption fine structure (EXAFS and NEXAFS) showed that the manganese oxide was highly dispersed on the surface of the supports. EXAFS spectra suggest that the manganese active centers on all of the surfaces were surrounded by five oxygen atoms. These metal centers were of a mononuclear ty

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Westerberg, Staffan Per Gustav. "Catalyzed hydrogenation of nitrogen and ethylene on metal (Fe, Pt) single crystal surfaces and effects of coadsorption A sum frequency generation vibrational spectroscopy study." Berkeley, Calif. : Oak Ridge, Tenn. : Lawrence Berkeley National Laboratory ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2004. http://www.osti.gov/servlets/purl/838077-k0aNNS/native/.

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Thesis (Ph.D.); Submitted to the University of California, Berkeley, Berkeley, California (US); 15 Dec 2004.<br>Published through the Information Bridge: DOE Scientific and Technical Information. "LBNL--56814" Westerberg, Staffan Per Gustav. USDOE Director. Office of Science. Office of Basic Energy Sciences (US) 12/15/2004. Report is also available in paper and microfiche from NTIS.

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50

Li, Qiang. "Surface Chemistry of Hexacyclic Aromatic Hydrocarbons on (2x1) and Modified Surfaces of Si(100)." Thesis, University of Waterloo, 2004. http://hdl.handle.net/10012/1263.

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Room-temperature chemisorption of hexacyclic aromatic hydrocarbons on the 2x1, sputtered, oxidized and H-terminated Si(100) surfaces, as well as those upon post treatments of hydrogenation, oxidization and electron irradiation have been investigated by using thermal desorption spectrometry (TDS), Auger electron spectroscopy (AES) and low energy electron diffraction (LEED). This work focuses on the effects of the functional groups (phenyl, methyl, vinyl, heteroatom, and H atom) in the chemisorbed aromatic hydrocarbons (benzene, toluene, xylene isomers, styrene and pyridine) on organic functi

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