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Dissertations / Theses on the topic 'Adsorbent surfaces'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

BOURDIN, JEAN-PIERRE. "Contribution a l'etude de la structure electronique et des proprietes d'adsorption des surfaces des metaux de transition." Nantes, 1987. http://www.theses.fr/1987NANT2024.

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Etude dans l'approximation des liaisons fortes et de la methode des moments de la structure electronique et des proprietes d'adsorption de plusieurs types de surfaces de metaux de transition. Application a l'etude de la reconstruction de la surface (110) du tungstene. Interpretation du comportement surprenant des dimeres de la troisieme serie des metaux de transition sur la surface w (110) en prenant en compte les effets des correlations electroniques. Influence de la presence de marches sur les proprietes d'adsorption d'une surface d'un metal de transition

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2

van, Rensburg Wilma. "Characterization of natural antimicrobial peptides adsorbed to different matrices." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/97929.

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Thesis (MSc)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: Biofouling is the attachment and biofilm formation that leads to negative repercussions such as persistent post-harvest infections, infections obtained from medical implants and continual surface contamination of food processing plants. Much of the problem lies with the resistance that develops against conventional treatments due to the formation of mature biofilms. Thus the focus has shifted from the removal of biofilms to the prevention of initial attachment of organisms. This entails the use of antimicrobial surfaces tha

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3

Tidwell, Caren Diana. "Endothelial cell interactions with model surfaces : effect of surface chemistry, surface mobility, and the adsorbed protein layer /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/8004.

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4

Zhang, Xieqiu. "Scanning tunneling microscopy study : from clean surface to surfaces adsorbed with atom/cluster or metallic island /." View abstract or full-text, 2007. http://library.ust.hk/cgi/db/thesis.pl?PHYS%202007%20ZHANG.

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5

Mo, Haiding. "Neutron and x-ray scattering study of intermediate-length alkane films adsorbed on solid surfaces /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p3144441.

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6

Eggeling, Joachim. "Inelastic electron scattering from adsorbate covered semiconductor surfaces." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313773.

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7

Binti, Mohd Firdaus Achutan Rabita. "Graphène chimiquement modifié et auto-assemblé comme adsorbant pour des applications en environnement." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0275.

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Le graphène idéal est une couche d'épaisseur atomique composé exclusivement d'atomes de carbone hybridés sp². En outre, le graphène peut également être vu sous d'autres formes dites dérivés du graphène, y compris l'oxyde de graphène (GO) et l'oxyde de graphène réduit (rGO). Notre étude a démontré que le GO peut être utilisé comme matériau de départ et être activé chimiquement et physiquement pour être utilisé comme adsorbant pour la capture du CO₂. De plus, des matériaux à base de graphène tridimensionnels (3D) ont récemment suscité beaucoup d'intérêt en raison de leur capacité à préserver les

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8

Gay, Simon Christopher Anthony. "Theoretical studies of adsorbate covered semiconductor surfaces." Thesis, University of Exeter, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302534.

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9

Markkula, Tommi. "Surface characterisation of gas plasma modified PET and PTFE : effect of surface chemistry on cell attachment." Thesis, University of Liverpool, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275047.

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10

Razafitianamaharavo, Angelina. "Étude structurale du film de cyclohexane physisorbé sur graphite : Étude thermodynamique et structurale du film mixte (krypton-cyclohexane) physisorbe sur graphite." Nancy 1, 1989. http://www.theses.fr/1989NAN10080.

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La caractérisation structurale du cyclohexane adsorbe sur graphite a été effectuée entre 77**(O)K et 260**(O)K par diffraction de neutrons et de rayons X. Elle a permis de proposer un diagramme de phases 2D rendant compte de trois structures solides qui sont par ordre de densité croissante, commensurable, hexagonale incommensurable et rectangulaire centrée

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11

Esam, Odette Amana. "CO2 Capture on Porous Adsorbents Containing Surface Amino Groups." Digital Commons @ East Tennessee State University, 2013. https://dc.etsu.edu/etd/2304.

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The potential impact of carbon dioxide as a major source of global warming has led to extensive research in order to mitigate the greenhouse effect. In this work, four adsorbents were synthesized and studied. The adsorbents were obtained by grafting and sol-gel of amino-containing molecules such as bis[3-(trimethoxysilyl)propyl]amine as monoamine and [3-(2-aminoethylamino)propyl]- trimethoxysilane as diamine on the surface of silica gel. CO2 passed through adsorbents at room temperature for its capture, then desorbed at moderate heating, and stored in the form of insoluble BaCO3. The adsorbent

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12

Lamble, G. M. "Surface extended X-ray absorption fine structure studies of chlorine and caesium adsorbed on silver single crystal surfaces." Thesis, University of Liverpool, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380102.

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13

Aparicio, Anglès Xavier. "Computational modelling of polyoxometalates adsorbed on metallic surfaces." Doctoral thesis, Universitat Rovira i Virgili, 2013. http://hdl.handle.net/10803/127146.

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Aquesta tesi està dedicada a la modelització de l’adsorció de polioxometal•lats (POMs) en superfícies metàl•liques. A partir de dades estructures publicades, es plantegen diversos models que, mitjançant metodologies tant quàntiques com clàssiques, pretenen simular l’adsorció de [α-SiW12O40]4- sobre superfícies de plata. Primer s’aconsegueix reproduir el mode d’adsorció i paràmetres estructurals, així com informació espectroscòpica del sistema. Per tal de poder descriure correctament l’estructura electrònica cal introduirmolècules de solvent explícites (aigua) i els contraions (K+ i Cs+) al mod

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14

Wei, Daniel S. "Modeling of complex molecules adsorbed on copper surfaces." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53084.

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There has been growing demands towards the efficient production of enantiopure compounds through either asymmetric synthesis or separation from racemic mixtures. Recent studies have examined numerous different methods that may address this challenge. One of these methods involved the interaction of chiral molecules on achiral metal surfaces such as copper to create chiral templates while another method utilizes the interaction of chiral molecules on intrinsically chiral surfaces. Earlier studies using nonhybrid Density Functional Theory (DFT) functional has provided some insights into the geom

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15

Lennon, David. "Spectroscopic studies of adsorbed species on metal surfaces." Thesis, University of East Anglia, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329316.

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16

Bateman, J. E. "Infrared spectroscopy of adsorbed species on metal surfaces." Thesis, University of East Anglia, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278121.

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17

Saoud, Younes Hashem. "Vibrational spectroscopic studies of adsorbed species on metal surfaces." Thesis, University of East Anglia, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.290362.

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18

Blencoe, Kathryn Ann. "The friction of sliding surfaces carrying adsorbed lubricant layers." Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624395.

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19

Liu, Xiaoyan. "Surface Force and Friction : effects of adsorbed layers and surface topography." Doctoral thesis, KTH, Yt- och korrosionsvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-157321.

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Interfacial features of polymers are a complex, fascinating topic, and industrially very important. There is clearly a need to understand interactions between polymer layers as they can be used for controlling surface properties, colloidal stability and lubrication. The aim of my Ph.D study was to investigate fundamental phenomena of polymers at interfaces, covering adsorption, interactions between polymer layers and surfactants, surface forces and friction between adsorbed layers. A branched brush layer with high water content was formed on silica surfaces by a diblock copolymer, (METAC)m-b-(

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20

Bennett, Roger Alexander. "Stimulated dynamics and reaction of small adsorbed molecules." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388721.

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21

Hinds, Chantal Simonette. "ESR studies of radical adsorbed on aluminosilicate catalysis." Thesis, Queen Mary, University of London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243865.

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22

Gao, Yumin. "Influences des dépôts métalliques sur l'effet SERS." Paris 6, 1986. http://www.theses.fr/1986PA066061.

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Etude par diffusion Raman exaltée de surface (SERS) de l'influence de différents dépôts d'atomes (Pd, Al, Au, Cu et Si) de l'adsorption d'éthylène, d'oxygène et de pyridine sur des couches continues ou discontinues d'argent ou sur des couches minces d'Ag déposées sur des surfaces non actives vis-à-vis de la diffusion Raman. Analyse et compréhension de l'effet SERS et en particulier de la contribution à très courte portée. Application possible de la spectroscopie Raman à l'étude des surfaces.

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23

Charlson, Alexandra. "Removal of pharmaceuticalcontainingwastewater by bioandhydrochar adsorbents : Adsorption capacity and surface functionalities." Thesis, Umeå universitet, Kemiska institutionen, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-136762.

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24

Nave, Sven. "Dynamique quantique des collisions atome-adsorbat ; molécule-surface." Lille 1, 2004. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2004/50376-2004-101-102.pdf.

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Cette thèse porte sur la dynamique quantique des collisions de molécules ou d'atomes légers avec des surfaces métalliques. Elle comprend deux parties distinctes. Dans la première partie, deux théories quantiques sont appliquées à la diffusion d'un atome par un défaut de surface ponctuel. La plus complète, une méthode de paquet d'ondes, permet la première comparaison théorie-expérience réaliste de la diffusion de He par CO/Cu(1OO) et CO/Pt(lll). La seconde approche de type phase gazeuse, repose sur l'approximation d'une surface miroir, avec un formalisme d'états couplés. L'utilisation combinée

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25

Nave, Sven Lemoine Didier. "Dynamique quantique des collisions atome-adsorbat ; molécule-surface." Villeneuve d'Ascq : Université des sciences et technologies de Lille, 2005. https://iris.univ-lille1.fr/dspace/handle/1908/782.

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Reproduction de : Thèse de doctorat : Lasers, molécules et rayonnement atmosphérique : Lille 1 : 2004.<br>Résumé en français et en anglais. Publications en anglais intégrées au texte. Titre provenant de la page de titre du document numérisé. Bibliogr. p. 267-276.

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26

ILEKTI, PHILIPPE. "Protection des surfaces de silice avec un polymere adsorbe." Paris 6, 2000. http://www.theses.fr/2000PA066222.

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On cherche a proteger des particules de silice dispersees dans l'eau, afin d'eviter leur agregation au cours du sechage de la dispersion aqueuse. Dans ce but, on adsorbe des polymeres hydrosolubles sur les particules. Ensuite, on teste la resistance de cette protection au fur et a mesure qu'on concentre la dispersion. Par centrifugation on concentre les dispersions. La force appliquee est equilibree par la pression osmotique qui retient l'eau dans la dispersion. On trouve qu'il existe, pour chaque dispersion, un seuil en pression au dela duquel la force appliquee provoque l'agregation des part

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27

Yang, Shizhong Phillips James M. "Ab initio and semiempirical studies of molecules adsorbed on surfaces." Diss., UMK access, 2006.

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Thesis (Ph. D.)--Dept. of Physics and School of Computing and Engineering. University of Missouri--Kansas City, 2006.<br>"A dissertation in physics and electrical engineering." Advisor: James M. Phillips. Typescript. Vita. Title from "catalog record" of the print edition Description based on contents viewed Jan. 29, 2007. Includes bibliographical references (leaves 134-146). Online version of the print edition.

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28

Xenioti, Dimitra. "Effect of electronic correlation on molecules adsorbed on metallic surfaces." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAE019/document.

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La combinaison de la spintronique et de I' électronique organique est censée conduire à une nouvelle gamme d'applications en la domaine de spintronique organique. Ce travail se concentre sur la physique des molécules organiques adsorbées sur des surfaces métalliques, en mettant I' accent sur les changements de leurs structures électroniques en raison de I' effet important du substrat métallique. Nous avons étudié le complexe Ni2 adsorbé sur le Cu qui montre un effet Kondo à basses températures. Nous avons ensuite étudié des chaînes d'oligoacènes (anneaux de benzène fusionnè) qui présentent une

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29

Raval, R. "Vibrational spectroscopic studies of adsorbed species on single crystal surfaces." Thesis, University of East Anglia, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374292.

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30

Efstathiou, Vasilios Savva. "Infrared spectroscopic studies of organic molecules adsorbed on copper surfaces." Thesis, University of Warwick, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.412899.

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31

Welch, Philip Colin Charles. "Infrared characterisation of adsorbed species on platinum and silver surfaces." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262625.

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32

Haq, Shamsal. "Reflection absorption infrared spectroscopy of molecules adsorbed on metal surfaces." Thesis, University of Cambridge, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309271.

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33

An, Shuwang. "Neutron scattering from adsorbed species." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297936.

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34

Wijekoon, Wijekoon Mudiyanselage Kapila Piyasena. "Waveguide Surface Coherent anti-Stokes Raman Scattering Spectroscopy and optical second harmonic generation spectroscopy of molecules adsorbed on metal oxide surfaces." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184444.

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This dissertation reports the application of nonlinear optical effects for the investigation of vibrational and electronic spectroscopy of molecules adsorbed on thin film metal oxide surfaces and metal oxide surfaces. The main emphasis of the experiments cited here is to introduce the recently developed multi-photon technique, Waveguide Surface Coherent anti-Stokes Raman Scattering Spectroscopy (WSCARS), to the scientific community. Planar optical waveguides have been utilized to generate large optical field enhancements on metal oxide surfaces. Guided waves have been employed to obtain the su

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35

Zerrouk, Taha-El-Amine. "Phase transitions of xenon adsorbed on graphite." Thesis, University of Sussex, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333446.

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36

Barnard, John Cameron. "Low energy electron scattering by ordered adsorbed molecules." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321430.

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37

Yanagita, Hiroshi. "Adsorbed states of H on Ni(111) and Rh(111) surfaces." 京都大学 (Kyoto University), 2000. http://hdl.handle.net/2433/181137.

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38

Bastow, Sarah Louise. "A structural study of mercury adsorbed on single crystal metal surfaces." Thesis, University of Nottingham, 1997. http://eprints.nottingham.ac.uk/13251/.

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The Normal Incidence X-Ray Standing Wavefield technique has been used to study the adsorption of mercury on two single crystal metal surfaces, Ni(111) and Cu(100). The three Hg/Ni(111) structures studied were (√3x√3)R30°-0.33ML, p(2x2)-0.SML and "c(2√3x2√3)R30°"-0.64ML. A well-ordered, commensurate mercury adlayer is postulated, which has a low frequency (or soft) phonon mode parallel to the surface. Such a surface is well ordered and will give good LEED patterns, but the large distribution of distances relative to the (111) set of planes leads to a low coherent fraction, in agreement with the

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39

Yabushita, Akihiro. "Ultraviolet Photodissociation Dynamics of Small Molecules Adsorbed on Water Ice Surfaces." 京都大学 (Kyoto University), 2002. http://hdl.handle.net/2433/77755.

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40

LIN, HE. "Ab initio study of organic molecules adsorbed on technologically relevant Surfaces." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2016. http://hdl.handle.net/10281/127444.

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In this thesis we investigated materials of relevance to photovoltaics and organic electronics, and the studied systems involving surfaces with technological applications, such as graphene and TiO2 . We make use of the density functional theory (DFT) to calculate the structural and electronic properties of the system, and the Ab initio molecular dynamics to check the temperature dependent effects. Finally, we simulate the core excited spectroscopic measurements by the transition potential approach and use the Time-Dependent DFT to calculate the optical absorption coefficient. We first fo

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41

WOJTASZCZYK, PASCAL. "Proprietes statistiques d'ensembles de particules adsorbees sur une surface solide." Université Louis Pasteur (Strasbourg) (1971-2008), 1995. http://www.theses.fr/1995STR13066.

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Le depot irreversible de particules colloidales sur des surfaces solides a ete etudie experimentalement. Cinq systemes de particules de differentes tailles ont ete analyses en vue de comprendre l'evolution du processus de depot en fonction du parametre r* qui traduit l'importance relative de la pesanteur et du mouvement brownien au cours de la diffusion des particules dans le liquide baignant la surface adsorbante. Des simulations sur ordinateur avaient montre que le processus de depot devait passer d'un comportement de type adsorption sequentielle aleatoire (rsa) a un comportement de type bal

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42

Gomez, Liliana Maria. "Etude d'une couche de plomb adsorbee a la surface (100) d'un cristal de cuivre phenomene de fusion." Cergy-Pontoise, 1996. http://biblioweb.u-cergy.fr/theses/96CERG0014.pdf.

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J'etudie dans cette these les surstructures des atoms de plomb adsorbes sur une surface (100) d'un substrat de cuivre par la methode de monte carlo, a des taux de couverture differents. Le potentiel utilise est un potentiel a n corps dit potentiel de gupta. La surstructure est obtenue pour la monocouche a basse temperature. Lorsque la temperature augmente, cette surstructure subit une transition du premier ordre vers la phase liquide. Ces resultats sont en excellent accord avec l'experience. A faibles concentrations, je trouve les surstructures pour les taux de couverture 0,50 et 0,375. Pour c

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43

Staicu, Casagrande Elena Magdalena. "Transfert de charge sur les surfaces d'argent recouvertes de chlore." Paris 11, 2002. http://www.theses.fr/2002PA112065.

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Cette thèse présente l'étude expérimentale des processus de transfert de charge entre des particules atomiques et les surfaces d'argent Ag(III), Ag(110) et Ag(l00) exposées au chlore. La motivation de ce travail est donné par l'influence de l'adsorption dans la promotion ou dans l'empoisonnement de réactions en surfaces. Nous avons étudié l'effet de la couverture de chlore sur les taux de capture et de perte d'électrons dans l'interaction des atomes (ions négatifs) de fluor, hydrogène et oxygène avec une surface d'argent. Le taux de formation de F diminue fortement à des basses couvertures cor

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44

Chen, Yingying, and Yingying Chen. "Removing Phosphonate Antiscalants from Membrane Concentrate Solutions using Ferric Hydroxide Adsorbents." Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/624128.

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Phosphonate antiscalants are commonly used in nanofiltration and reverse osmosis water treatment to prevent membrane fouling by mineral scale. In many circumstances it is desirable to remove these phosphonate compounds before concentrate disposal or further treatment. This research investigated the removal of phosphonate compounds from simulated membrane concentrate solutions using ferric hydroxide adsorbents. Two phosphonate antiscalants were investigated, Permatreat 191® (PT191) and nitrilotrimethylphosphonic acid (NTMP). Batch adsorption isotherms and column breakthrough and regeneration ex

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45

Franz, Volker. "Measurement of surface forces of adsorbed layers on smooth substrates." [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=964168316.

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46

Bossé, Francis. "Surface properties of some diblock copolymers adsorbed onto solid substrates." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=41354.

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Surface and interaction characteristics of poly(styrene-b-4vinylpyridine) (S-4VP) and poly(styrene-b-methacrylic acid) (S-MAA) diblock copolymers were investigated by the method of inverse gas chromatography (IGC). Not surprisingly, the MAA segments were found to be acidic, while the polystyrene (PS) and the 4VP blocks were found to be basic, the 4VP moiety being the stronger base. For the S-4VP diblocks, when adsorbed onto particulates with acidic surfaces, the 4VP block is preferentially oriented to the substrate, leaving an air interphase which is enriched in PS. For the S-MAA diblock, at h

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47

Mulcahy, Christopher Philip Arthur. "Electronic and vibrational excitations in adsorbed metalorganic molecules." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287394.

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48

Schmidt-Weber, Philipp [Verfasser]. "Functionalisation of Surfaces : Isomerisation and Chirality of Adsorbed Molecules / Philipp Schmidt-Weber." Berlin : Freie Universität Berlin, 2008. http://d-nb.info/1022698753/34.

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49

Lowe, Martin Jason. "Chemical and electronic properties of sulphur adsorbed on III-V semiconductor surfaces." Thesis, University of Warwick, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397589.

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50

Jung, Haijo. "Adsorbed radioactivity and radiographic imaging of surfaces of stainless steel and titanium /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9841156.

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