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Dissertations / Theses on the topic 'Modificatie'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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1

Purmová, Jindra. "Effect of the modification of the polymer-rich phase composition on the formation of structural defects in radical suspension PVC." [S.l. : [Groningen : s.n.] ; University Library Groningen] [Host], 2007. http://irs.ub.rug.nl/ppn/.

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2

Canela, Xandri Anna. "Chemical and enzymatic valorization of polyols from biomass." Doctoral thesis, Universitat de Lleida, 2016. http://hdl.handle.net/10803/386443.

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En les últimes dècades han augmentat els problemes derivats de la sobreproducció i acumulació de residus de la industria, així com els problemes mediambientals i la disminució de fonts de matèries primeres. En aquest sentit, ha incrementant l’interès en reutilitzar-los, per tal de re-valoritzar-los produint productes d’interès, acostant-nos cada cop més al concepte de residu zero. Un dels majors subproductes de la industria agroalimentària és el conegut amb el terme de biomassa. En aquest treball, ens hem centrat en investigar la re-valorització d’una petita part dels poliols presents en la b

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3

Vilà, Cuscó Neus. "Mecanisme d'Oxidació Electroquímic d'Amines i Diamines Alifàtiques. Modificació de Superfícies per Formació d'Enllaços Covalents Metall - Nitrogen." Doctoral thesis, Universitat Autònoma de Barcelona, 2005. http://hdl.handle.net/10803/3222.

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4

Horna, Tomás David. "Estructura, composición y superficie como vectores directores en el diseño de biomateriales. Aplicación al desarrollo de scaffolds poliméricos y a superficies bioactivas." Doctoral thesis, Universitat Ramon Llull, 2011. http://hdl.handle.net/10803/52679.

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En aquest treball es descriu el disseny, síntesi i caracterització de diferents biomaterials i la seva possible aplicació en biomedicina. S'ha fet especial èmfasi a ressaltar la importància que tenen l'estructura, la composició i l'activitat superficial en les propietats finals del biomaterial. Així, s'ha desenvolupat un biomaterial biodegradable i elastomèric, altament porós, amb una gran interconnectivitat que permet la difusió de nutrients i de cèl•lules, un cop sigui implantat. La viabilitat d'aquest material s'ha demostrat tant en assaigs in vitro com in vivo. La síntesi del mateix s'h

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5

Stufler, Josef. "Modification-Management." Doctoral thesis, Universitätsbibliothek Chemnitz, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200900596.

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Die Produkte von Maschinen- und Anlagenbauunternehmen stellen in der Regel langlebige, kundenspezifische Investitionsgüter dar. Je umfangreicher die Konstruktions- und Montagezeiten des Investitionsgutes, umso frühzeitiger muss der Kunde sich festlegen, welche Leistungsmerkmale gefordert werden und unter welchen Bedingungen die Maschine oder Anlage arbeiten muss. Hierbei kommt es regelmäßig zu Divergenzen zwischen dem Bedarf des Kunden zum Lieferzeitpunkt, der Nachfrage zum Zeitpunkt der Kaufentscheidung und dem Angebot des Anbieters. Um diese Divergenzen ab dem Zeitpunkt des Kaufs zu beheben,

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6

Lena, Stefano <1972&gt. "Nuovi materiali da nucleosidi modificati." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/67/.

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7

Hunter, Paul Carleton University Dissertation Engineering Electrical. "Knowledge base modification." Ottawa, 1991.

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8

Topaloglu, Mehmet Ersan. "Improving Kernel Performance For Network Sniffing." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1097856/index.pdf.

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&amp<br>#728<br>G Sniffing is computer-network equivalent of telephone tapping. A Sniffer is simply any software tool used for sniffing. Needs of modern networks today are much more than a sniffer can meet, because of high network traffic and load. Some efforts are shown to overcome this problem. Although successful approaches exist, problem is not completely solved. Efforts mainly includes producing faster hardware, modifying NICs (Network Interface Card), modifying kernel, or some combinations of them. Most efforts are either costly or no know-how exists. In this thesis, problem is attacked

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9

Fong, Kau-wah Simon. "Playing the game a behavioural approach to homework submission management in a form one class /." Click to view the E-thesis via HKUTO, 1991. http://sunzi.lib.hku.hk/HKUTO/record/B38627280.

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10

Bianchini, Francesco. "Modificare, costruire, rigenerare." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8787/.

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Questa tesi di laurea curriculare si propone come una lettura critica del percorso formativo universitario, attraverso l’analisi di tre diverse esperienze progettuali che affrontano il tema dell’architettura come processo di modificazione e conseguente rigenerazione della realtà urbana esistente. Nella prima parte viene descritto come il “costruire nel costruito” attribuisca notevole importanza ai valori del luogo e della storia, ignorati dal movimento moderno. Vengono trattati i caratteri principali dell’orientamento e la sua affermazione dalla metà degli anni Ottanta ad oggi, mediante l’ana

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11

Withers, Freddie. "Chemical modification of graphene." Thesis, University of Exeter, 2012. http://hdl.handle.net/10036/4081.

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In this thesis investigations into chemically modified graphene structures are presented. Chemical functionalization of graphene is the chemical attachment of molecules or atoms to the graphene surface via covalent or Van der Waals bonds, this process offers a unique way to tailor the properties of graphene to make it useful for a wide range of device applications. One type of chemical functionalization presented in this thesis is fluorination of graphene which is the covalent attachment of fluorine to the carbon atoms of graphene and the resultant material is fluorographene which is a wide ba

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12

Thomas, Matthew Rhys. "Polyvinyl alcohol surface modification." Thesis, University of Oxford, 2011. http://ora.ox.ac.uk/objects/uuid:279fe53b-7d61-43de-a91a-be658dd01eda.

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Poly(vinyl alcohol) (PVA) is a polymer used in numerous applications, principally those in which its high water solubility is a desirable asset. However there are also areas where PVA is limited by its inherent solubility (for example some specific environments in the biomedical field). This work has sought to overcome such limits by manipulating the surface of PVA in order to propose various means by which the surface solvent resistance might be increased while maintaining the bulk properties of the polymer. Both chemical and physical modifications have been tried and in each case progress ha

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13

Kirk, Raymond Clarence. "Fear : measurement and modification." Thesis, University of Canterbury. Psychology, 1985. http://hdl.handle.net/10092/5821.

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The avoidance and response prevention (RP) literatures are reviewed. This review highlighted a number of persistent issues, revealed a need for the development of sensitive fear assessment measures and showed a number of parameters that enhance response prevention's efficacy in reducing conditioned fear. This thesis examined (i) a number of RP parameters across escape-from-fear and passive avoidance baselines, using in the latter situation, multivariate fear assessment measures; and (ii) the psychopharmacological actions of the benzodiazepine, diazepam, and beta-adrenergic blockers, propranolo

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14

Herselman, Trevor Dwayne. "A further modification, elaboration." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86685.

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Thesis (MComm)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: South African organisations within both the private and public sectors of the economy are investing heavily into their talented employees, in an attempt to derive a sustainable competitive advantage. This competitive advantage is threatened when employees engage in turnover behaviours. This study is directed at understanding those factors that contribute to employees’ intention to quit following employees’ perceptions of training and development initiatives. Empirical support has been found that certain line management

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15

Kilic, Suha. "Modification of Huffman Coding." Thesis, Monterey, California. Naval Postgraduate School, 1985. http://hdl.handle.net/10945/21449.

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16

Griffiths, Jonathan. "Structural modification of DNA." Thesis, University of Nottingham, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315114.

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17

Kane, Charles B. "Plasma modification of linen." Thesis, University of Ulster, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274070.

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18

Dykes, Graham Mark. "Supramolecular dendritic property modification." Thesis, University of York, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.411458.

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19

Holding, Finn Peter. "Chemical modification of streptavidin." Thesis, Open University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384989.

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20

Sheikh, Shehla Altaf. "Modification of mesoporous silicas." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327599.

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21

Pei, Xiaoyin. "Acid modification of psyllium." College Park, Md.: University of Maryland, 2008. http://hdl.handle.net/1903/8963.

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Thesis (M.S.) -- University of Maryland, College Park, 2008.<br>Thesis research directed by: Dept. of Nutrition and Food Science. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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22

Cox, Owen. "Chemical modification of polysulfone." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.665375.

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The research presented herein is concerned with the chemical modification of polysulfone towards the synthesis of a hollow fibre boronic acid fixed carrier membrane system for saccharide separation. Chapter 1 firstly introduces the area of boronic acids as chemosensors, in particular for detecting saccharides. Secondly, membrane separation techniques are discussed focussing on hollow fibre membranes and their synthesis. Chapter 2 discusses the potential of boronic acid fixed carrier hollow fibre membranes for saccharide separation. Three general routes are highlighted to achieve the desired bo

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23

Huh, Dongsung 1981. "Ca2+ dependant synaptic modification." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32741.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics; and, (S.B.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 2004.<br>Includes bibliographical references (p. 21-22).<br>It has been assumed that Ca2+ influx of different duration and amplitude would generate different level of potentiation. The conventional protocols of generating LTP have been 1. tetanic stimulation of presynaptic cell, 2. theta burst stimulation of presynaptic cell, and 3. correlated stimulation of pre- and post-synaptic cells. However, the effects of different Ca2+ influx

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24

Jin, Li. "Chemical modification of polymers." Thesis, Aston University, 1988. http://publications.aston.ac.uk/9706/.

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Based on the knowledge of PVC degradation and stabilisation, chemical modifications were imposed on degraded PVC and raw PVC with the aim of obtaining non-migrating additives. The modifications were carried out mainly in the presence of dibutyl maleate (DBM), and the resulting polymer contained dibutyl maleic residues. Such modifications result in a polymer which contain substantive additives which resist migration under aggressive environments. Previous studies have shown that stable nitroxyl radicals function as stabilisers in polymer during processing (e.g. PP, PVC) by deactivating a large

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25

Trojanowska, Anna. "Photosensitive polymers and their application." Doctoral thesis, Universitat Rovira i Virgili, 2020. http://hdl.handle.net/10803/669804.

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Aquesta tesi es centra en la síntesi de nous polímers fotosensibles i la seva aplicació successiva en la preparació de microcàpsules foto-actives incorporació d'adductes fotosensibles tipus Stenhouse (DASA) dins de matrius polimèriques. Principalment es van seguir dos enfocaments diferents. El primer enfocament implica la incorporació de DASA dins la cadena lateral de polímers comercials, específicament cinc copolímers d'estirè i anhídrid maleic (SMA) amb diferents pesos moleculars i relacions molars. Després aquests polímers modificats es van aplicar per obtenir microcàpsules que contenien di

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26

Srubiski, Aviva. "Modification of red cell antigenic characteristics via covalent modification with branched poly (ethylene glycol)." Thesis, University of British Columbia, 2006. http://hdl.handle.net/2429/32404.

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Background: Red Blood Cell (RBC) transfusions are associated with the risk of rejection and sensitization for the recipient. Covalent modification of human RBC using poly (ethylene glycol)) (PEG) is currently being investigated as a method to modify the antigenic characteristics of RBC in order to develop an antigenically silent RBC transfusion product. The focus of this study is to determine whether a branched PEG, 4PEGss [MW 10,000] can concurrently camouflage and stabilize the RBC membrane, giving the red cell higher osmotic resistance. Study Design and Methods: Human blood was collec

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27

Peltier, Raoul. "Biomimetic modification of crystal growth." Thesis, University of Auckland, 2011. http://hdl.handle.net/2292/7150.

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28

Erkilic, Umut. "Biotechnological Modification Of Steroidal Structures." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609258/index.pdf.

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Steroids are important biological regulators existing in hormones which are used to control metabolism of the body. There are widespread applications in the pharmaceutical industry. Drugs of steroid nature - anti-inflammatory and antiallergic corticosteroids, diuretics, anabolics, androgens, gestagens, contraceptives, antitumor medications, etc. - are now widely used in human and veterinary medicine. Nowadays, biotechnological modifications of steroids are preferred over chemical modifications as a green chemistry since they are more likely to be natural. In this work four different Fusarium s

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29

Cicek, Gulcin. "Synthesis Characterization And Modification Of." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614196/index.pdf.

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The constitutive studies of this thesis were achieved and presented in three parts. In the first part, the effects of solid state synthesis process parameters and the impurity content of primary calcium precursor on the cement-type hydration efficiency for the conversion of &alpha<br>-tricalcium phosphate (Ca3(PO4)2 or &alpha<br>-TCP) into hydroxyapatite (Ca10-xHPO4(PO4)6-x(OH)2-x x = 0&ndash<br>1, or HAp) have been investigated (at 37&deg<br>C). &alpha<br>-TCP was synthesized by thermal processing of stoichiometric amounts of calcium carbonate (CaCO3) and monetite (CaHPO4) at 1150&ndash<br>13

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30

Dalilsafaei, Seif. "Stiffness modification of tensegrity structures." Licentiate thesis, KTH, Strukturmekanik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-34039.

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Although the concept of tensegrity structures was invented in the beginning of the twentieth century, the applications of these structures are limited, partially due to their low stiffness. The stiffness of tensegrities comes from topology, configuration, pre-stress and initial axial element stiffnesses. The first part of the present work is concerned with finding the magnitude of pre-stress. Its role in stiffness of tensegrity structures is to postpone the slackening of cables. A high pre-stress could result in instability of the structure due to buckling and yielding of compressive and tens

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31

Murphy, Michael Stephen. "Structural modification of zeolite beta." Thesis, University of New Brunswick, 1996. http://hdl.handle.net/1882/511.

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32

Persson, Per. "Strategies for cellulose fiber modification." Doctoral thesis, KTH, Fibre and Polymer Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3730.

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<p>This thesis describes strategies for and examples ofcellulose fiber modification.The ability of an engineered biocatalyst, acellulose-binding module fused to the<i>Candida antarctica</i>lipase B, to catalyze ring-openingpolymerization of e-caprolactone in close proximity tocellulose fiber surfaces was explored. The water content in thesystem was found to regulate the polymer molecular weight,whereas the temperature primarily influenced the reaction rate.The hydrophobicity of the cellulose sample increased as aresult of the presence of surface-deposited polyester.</p><p>A two-step enzymatic

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33

Murphy, Michael Stephen. "Structural modification of zeolite beta." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq23826.pdf.

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34

Kutacova, Pavla. "Enzymatic modification of kenaf pulp." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ33973.pdf.

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35

Resch, Barbara. "On Prosodic Modification of Speech." Licentiate thesis, Stockholm : Sound and Image Processing Laboratory, School of Electrical Engineering, Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-621.

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36

Josefsson, Peter. "Biochemical modification of wood components." Licentiate thesis, Stockholm : Fibre and Polymer Technology, KTH, the Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4171.

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37

Tracy, Daniel P. "Vacuum ultraviolet modification of polymers /." Online version of thesis, 1989. http://hdl.handle.net/1850/10954.

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38

Silverman, H. S. "Post-translational modification of mucins." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365785.

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39

Eyley, Samuel. "Surface modification of cellulose nanocrystals." Thesis, University of Nottingham, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.594860.

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Cellulose nanocrystal surface modification is an expanding area in cellulose research and this thesis aims to add knowledge to this growing field. Two esterification techniques new to cellulose nanocrystal research were applied successfully to the formation of esters of (methylthio)acetic add, two pyridinum substituted benzoic acids and rnethacrylic acid. The efficacy of the two methods was compared with each other and with those used in the literature. Two click chemistry reactions were also applied to cellulose nanocrystals. Azidation of chlorinated cellulose nanocrystals allowed application

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40

Ying, Kong-chau William, and 邢江洲. "Lease modification and urban planning." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1993. http://hub.hku.hk/bib/B31258487.

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41

Polwart, Neil. "Modification of diamond (100) surfaces." Thesis, Heriot-Watt University, 2003. http://hdl.handle.net/10399/298.

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42

Lowe, V. J. "The modification of electrode surfaces." Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379931.

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43

Tearle, Kathryn Mary. "Modification of aluminophosphate molecular sieves." Thesis, University of Southampton, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295923.

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44

Ying, Kong-chau William. "Lease modification and urban planning /." Hong Kong : University of Hong Kong, 1993. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19740414.

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45

Freij-Larsson, Christina. "Surface modification of biomedical polyurethanes." Lund : Dept. of Chemical Engineering II, Lund University, 1996. http://catalog.hathitrust.org/api/volumes/oclc/38985470.html.

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46

Ceronio, Foord 1948. "Presentation precinct : modification of conciousness." Pretoria : [s.n.], 2008. http://upetd.up.ac.za/thesis/available/etd-10032008-145827.

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47

Zhang, Xueyun. "Wettability tuning by surface modification /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?CBME%202009%20ZHANG.

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48

Reemers, Sandra. "Dendritic structures for surface modification /." Aachen : Mainz, 2008. http://d-nb.info/994085559/04.

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49

Lamb, Sherry S. Wright Gerard D. "Glycopeptide antibiotics: Sulfation and modification." *McMaster only, 2007.

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50

Stanton, Tom. "'One', noun structure, and modification." Thesis, Queen Mary, University of London, 2017. http://qmro.qmul.ac.uk/xmlui/handle/123456789/31867.

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The present thesis aims to use novel observations as to the behaviour of anaphoric 'one' when under modification in order to explore more acutely the structure of the nominal phrase. There has been decades of disagreement as to the syntactic nature of anaphoric 'one'. This work highlights novel observations about anaphoric 'one' and offers structural analyses for them. Anaphoric 'one' behaves in a markedly distinct way when modified by a prenominal modifier versus when it is modified by a postnominal modifier. Specifically the indefinite article, numerals, and certain quantifiers are able to b

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