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Dissertations / Theses on the topic 'Hydrocarbons'

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1

Kandlbinder, Thomas. "Experimental investigation of forced convective boiling of hydrocarbons and hydrocarbon mixtures." Thesis, Imperial College London, 1998. http://hdl.handle.net/10044/1/7918.

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2

Lommatzsch, Martin. "Hydrocarbons as food contaminants:." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-233297.

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The contamination of foods with hydrocarbon mixtures migrating from food contact materials (FCM) was first observed for jute and sisal bags treated with batching oil in the 1990s. Since the millennium, the focus has shifted to printing inks and recycled cardboard packaging as most recognized sources for hydrocarbon contamination from FCM. Mineral oil containing printing inks can either release hydrocarbons directly from the printing of folding boxes into food or indirectly entering the recycling chain of cardboard material by printed products, such as newspapers. The contamination of dry foo
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3

Heck, Simone M. "Spontaneous ignition of hydrocarbons." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ27297.pdf.

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4

Blake, Nicola J. "Hydrocarbons in the troposphere." Thesis, University of East Anglia, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235923.

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5

Mistry, Anish. "Non-Kekulé polyaromatic hydrocarbons." Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/88089/.

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Non-Kekulé PAHs have been studied for a variety of applications due to the interesting chemistry they possess for such simple organic molecules. PAHs can have both closed and open-shell arrangements which have been of interest recently due to the potential magnetic and electronic properties they can acquire. Due to this, there has recently been a strong interest in graphene which can be viewed as a sheet of PAHs fused together. This thesis describes the formation of particular PAHs including open-shell compounds and how PAHs can be fully characterised using one technique. Chapter 2 describes t
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6

Tian, Zhenjiao. "Oxidation and Reduction Process for Polycyclic Aromatic Hydrocarbons and Nitrated Polycyclic Aromatic Hydrocarbons." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1228333650.

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7

Velugula, Hemakumar. "Impact of a prescribed forest burn on ambient hydrocarbon levels in Louisiana." Ohio : Ohio University, 2003. http://www.ohiolink.edu/etd/view.cgi?ohiou1175713579.

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8

Stroud, Jacqueline L. "Bioavailability of hydrocarbons in soils." Thesis, Lancaster University, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.441365.

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9

Crowley, Colin. "Fullerenes from polycyclic aromatic hydrocarbons." Thesis, University of Sussex, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360582.

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10

Lisle-Taylor, S. C. "Cavitation performance of pumped hydrocarbons." Thesis, Cranfield University, 1997. http://dspace.lib.cranfield.ac.uk/handle/1826/9676.

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11

Koltuksuz, Gülsan Ülkü Semra. "Removal of hydrocarbons from wastewaters/." [s.l.]: [s.n.], 2002. http://library.iyte.edu.tr/tezler/master/kimyamuh/T000046.pdf.

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12

Bastow, Trevor. "Sedimentary Processes Involving Aromatic Hydrocarbons." Thesis, Curtin University, 1998. http://hdl.handle.net/20.500.11937/833.

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Sedimentary organic matter contains many compounds that have no obvious biogenic precursors, so their formation and occurrence are of geochemical interest. The first part of this thesis (chapters 2-5) discusses the results obtained from studying hydrocarbon racemates. Some of the compounds identified are also suggested as intermediates in the formation of alkylnaphthalenes identified in chapters 6-7. The second part of this thesis (chapters 6-11) covers the identification of a range of alkylnaphthalenes and alkylphenanthrenes in sedimentary organic matter. Possible pathways for the formation o
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13

Bastow, Trevor. "Sedimentary Processes Involving Aromatic Hydrocarbons." Curtin University of Technology, School of Applied Chemistry, 1998. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=9379.

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Sedimentary organic matter contains many compounds that have no obvious biogenic precursors, so their formation and occurrence are of geochemical interest. The first part of this thesis (chapters 2-5) discusses the results obtained from studying hydrocarbon racemates. Some of the compounds identified are also suggested as intermediates in the formation of alkylnaphthalenes identified in chapters 6-7. The second part of this thesis (chapters 6-11) covers the identification of a range of alkylnaphthalenes and alkylphenanthrenes in sedimentary organic matter. Possible pathways for the formation o
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14

Safa, Behnam. "Role of the aromatic hydrocarbon receptor in the suppression of cytochrome P450 2C11 by polycyclic aromatic hydrocarbons." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0022/MQ33953.pdf.

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15

Makhubele, Marvel M. H. "The role of salt tectonics in the hydrocarbon potential of the post-salt deposits (Albian to Recent), offshore Gabon." Thesis, University of Western Cape, 2014. http://hdl.handle.net/11394/3497.

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Magister Scientiae - MSc<br>Following successful discovery and production of hydrocarbons, Gabon is one of the key hydrocarbon target countries in Africa. Located in the Lower Congo Basin, the study area is based in Etame Marin Permit (EMP), which is licensed to VAALCO Energy Inc., and has been producing hydrocarbons since 2002. The currently explored and producing reservoirs are in the pre-salt sandstones of the Aptian Gamba Formation, charged with hydrocarbons sourced from the syn-rift lacustrine shale of the pre-Aptian Melania Formation. With the aim of finding potential petroleum plays in
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16

Olariu, Romeo Iulian. "Atmospheric oxidation of selected aromatic hydrocarbons." [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=964170299.

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17

Safinowski, Michael. "Anaerobic biodegradation of polycyclic aromatic hydrocarbons." kostenfrei, 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=97648627X.

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18

Robertson, Charles Ray. "Chemistry towards curved polycyclic aromatic hydrocarbons." abstract and full text PDF (free order & download UNR users only), 2006. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1438911.

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19

Wanene, Wilson Kamau. "Toward curved polycyclic aromatic hydrocarbons (PAHs)." abstract and full text PDF (free order & download UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1445914.

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20

Erwe, Karolin. "Selective Diesel Oxidation Catalysts for Hydrocarbons." Thesis, KTH, Skolan för kemivetenskap (CHE), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-145857.

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21

Spink, Robert C. H. "Functionalisation of hydrocarbons using fluorinated alkenes." Thesis, Durham University, 1996. http://etheses.dur.ac.uk/5336/.

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Functionalisation of hydrocarbons is a field of continuing activity and a variety of approaches to this field, have been taken. This thesis is concerned with the functionalisation of the carbon-hydrogen bond, in hydrocarbons, using fluorinated alkenes via a free radical chain mechanism. Addition of the nucleophilic alkyl radical to the electrophilic fluorinated alkene, specifically hexafluoropropene, occurs readily to give incorporation of the polyfluoroalkyl group into a number of hydrocarbons, including aliphatic, mono-, bi- and polycyclic systems. Further chemistry of these polyfluoroalkyla
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22

Gleisner, Florian Hans. "Bacterial degradation of polycyclic aromatic hydrocarbons." Thesis, University of York, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247752.

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23

Leggetter, Steven Alexander. "The computer simulation of absorbed hydrocarbons." Thesis, University of Southampton, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280866.

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24

Peters, Andrew John. "Polycyclic aromatic hydrocarbons in seasonal snowcover." Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315520.

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25

Sritongkam, Pornpimol. "Electrochemical measurement of polycyclic aromatic hydrocarbons." Thesis, Cranfield University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274039.

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26

Bird, Robert. "Reactions of hydrocarbons on oxide catalysts." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/11979.

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27

Nowicka, Ewa. "Selective oxidation of polynuclear aromatic hydrocarbons." Thesis, Cardiff University, 2012. http://orca.cf.ac.uk/40092/.

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This thesis targets the selective oxidation of polynuclear aromatic compounds, which is considered as a preliminary step of upgrading of heavy oils, resids and bitumens to higher value materials in the liquid phase using different catalytic systems. Oxidation studies concentrated on simple model polyaromatic compounds and their alkylated derivatives. Ruthenium ion catalyzed oxidation chemistry has the potential to selectively oxidize PAHs and this system was studied in great detail with particular attention made to the reaction solvent system. Through careful studies it was found that the use
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28

Henderson, Janice E. "Catalytic reactions of hydrocarbons over zeolites." Thesis, University of Edinburgh, 1986. http://hdl.handle.net/1842/17006.

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29

Rismanchian, Azadeh. "Electrochemical and Photocatalytic Oxidation of Hydrocarbons." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1415799133.

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30

Wang, Cong. "Synthesis of Polyaromatic Hydrocarbons via Mechanochemistry." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1563525733261563.

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31

Matthewman, Richard. "Hydrocarbons as recorders of cosmic environments." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/9290.

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Hydrocarbons are ubiquitous in the Cosmos. Carbon stars jettison large amounts of hydrocarbons into interstellar space and these are incorporated into forming planetary systems alongside newly synthesized hydrocarbon material. The structure of a hydrocarbon reveals its origin with non-biological, biological, low temperature, high temperature, reduced, oxidised and aqueously altered hydrocarbons all having structural features that imply their provenance. These features are explored throughout this work, with a focus on the insoluble macromolecular organic carbon of meteorites and comparative te
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32

Khan, Rafi Ullah. "Vacuum gas carburizing - fate of hydrocarbons." [S.l. : s.n.], 2008. http://digbib.ubka.uni-karlsruhe.de/volltexte/1000009264.

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33

Kapinus, Vadym A. Beauchamp Jesse L. "Photophysical properties of protonated aromatic hydrocarbons /." Diss., Pasadena, Calif. : California Institute of Technology, 2005. http://resolver.caltech.edu/CaltechETD:etd-01252005-123917.

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34

Tokunaga, Ken. "Studies on vibronic coupling in hydrocarbons." 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/136243.

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35

Mashino, Michio. "Photoinduced Chemical Reaction of Halogenated Hydrocarbons." 京都大学 (Kyoto University), 2004. http://hdl.handle.net/2433/147629.

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36

Bose, Suranjana. "Manganese corrole catalyzed oxygenation of hydrocarbons." Thesis, University of North Bengal, 2013. http://hdl.handle.net/123456789/958.

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37

Mejeha, Obioma Kelechi. "Biodegradation of petroleum hydrocarbons in soils co-contaminated with petroleum hydrocarbons and heavy metals derived from petroleum." Thesis, University of Newcastle upon Tyne, 2016. http://hdl.handle.net/10443/3391.

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The biodegradation of sites co-contaminated by organic pollutants and Heavy Metals is often a challenge due to the inhibition of microbial activities. Microbes play important role in the mineralization of petroleum hydrocarbons to CO2 by utilizing petroleum hydrocarbons as a carbon/ energy source. Heavy metals are often constituents of petroleum. Petroleum spills may result to the release associated metals (e.g. Ni, Cd, Pb, As) into the environment. Subsequent spills may cause an increase in metal concentrations in soils that may build to concentrations above intervention values. This may resu
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38

Labib, Sarah. "Utility of Toxicogenomics Tools for the Toxicological Assessment of Polycyclic Aromatic Hydrocarbons and Complex Polycyclic Aromatic Hydrocarbon Mixtures." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35342.

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Human exposures to polycyclic aromatic hydrocarbons (PAHs) occur as components of complex mixtures. Evaluations of health risks posed by complex mixtures containing PAHs rely on the toxicological knowledge of prioritized PAH mixture components, assuming that these PAHs share a common mode of action and that the sum of the contributions of these PAHs equals the toxic potency of the mixture (i.e., additivity). Traditional toxicity testing methods emphasizing apical endpoints have had limited success at evaluating the validity of these assumptions. Toxicogenomic tools that are able to rapidly gen
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39

Tsai, Wai Yan. "Non-methane hydrocarbon characteristics of motor vehicular emissions in the Pearl River Delta region." online access from Digital Dissertation Consortium, 2006. http://libweb.cityu.edu.hk/cgi-bin/er/db/ddcdiss.pl?3282320.

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40

Ouellette, Mélanie. "Gas-phase Ion Chemistry of Hydroxy and Amino-substituted Interstellar Polycyclic Aromatic Hydrocarbons and Protonated Polycyclic Aromatic Hydrocarbons." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31349.

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The gas-phase ion chemistry of hydroxyl- and amino-substituted polycyclic aromatic hydrocarbons (PAHs) and their protonated counterparts were studied using mass spectrometry. Ions were generated using an electron ionization (EI) source and the unimolecular chemistry of metastable ions was studied by performing mass-analysed ion kinetic energy spectrometry (MIKES) experiments with a magnetic sector tandem mass spectrometer. Collision-induced dissociation (CID) experiments were used in conjunction with MIKES experiments to determine ion structure. The ten molecules studied were: 1-naphthol, 2-na
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41

Lopez, Soto Liza. "Studies of the Mars van Krevelen mechanism in hydrocarbon selective oxidation." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 384 p, 2007. http://proquest.umi.com/pqdweb?did=1362532021&sid=37&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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42

Öström, Henrik. "Chemical Bonding of Hydrocarbons to Metal Surfaces." Doctoral thesis, Stockholm University, Department of Physics, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-171.

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<p>Using x-ray absorption spectroscopy (XAS), x-ray emission spectroscopy (XES) and x-ray photoelectron spectroscopy (XPS) in combination with density functional theory (DFT) the changes in electronic and geometric structure of hydrocarbons upon adsorption are determined. The chemical bonding is analyzed and the results provide new insights in the mechanisms responsible for dehydrogenation in heterogeneous catalysis.</p><p>In the case of alkanes, <i>n</i>-octane and methane are studied. XAS and XES show significant changes in the electronic structure upon adsorption. XES shows new adsorption i
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43

Gunbas, Duygu Deniz. "Functionalization Of Saturated Hydrocarbons: High Temperature Bromination." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12607307/index.pdf.

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ABSTRACT FUNCTIONALIZATION OF SATURATED HYDROCARBONS: HIGH TEMPERATURE BROMINATION G&uuml<br>nbaS, Duygu Deniz M.S., Department of Chemistry Supervisor: Prof. Dr. Metin Balci June 2006, 174 pages Although saturated hydrocarbons are readily available and extremely cheap starting materials, they can not be used in synthetic chemistry without prior activation. Efficient functionalization of alkanes leading to the production of useful organic chemicals in an industrial scale is of considerable interest for the chemical and pharmaceutical industries and remains a long-term challenge for
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44

Phillips, Pamela June. "Microbial degradation of hydrocarbons in aqueous systems." Thesis, University of Surrey, 2003. http://epubs.surrey.ac.uk/842666/.

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There is a vast worldwide consumption of petroleum hydrocarbons and accidental release in to the environment is common. For example petroleum forecourt retail outlets have 'interceptors' to prevent release of hydrocarbons into the environment. The aim of this study was to investigate options for in-situ bioremediation of the hydrocarbon substrates within these 'interceptors' in a laboratory model. The initial studies on bioremediation were undertaken with diesel as the substrate. It was shown that the addition of nitrogen and phosphorus to the system increased hydrocarbon mineralisation by a f
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45

Liu, Bonan. "Methanol conversion to hydrocarbons via acidic catalysts." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:2314ba14-8367-4334-8f53-2ec1c05f0e16.

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Methanol has long been advanced as a high-energy-density, widely-obtained (from non-oil sources such as coal, and biomass) material with potential as a replacement for the limitedly-distributed, finite-in-current-storage oil resources. Given the fact that effective methanol conversion has been observed over the acidic, zeolite based catalytic materials, e.g. H-ZSM-5, since the 1970s, it is almost certain that extra catalytic properties, such as an enhanced C-H bond activation, govern by the introduced non-zeolitic promoters, e.g. metal oxide species, could further modify the reaction pathways,
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46

Zhang, Fengjun. "Hydrogenation of unsaturated hydrocarbons on metal surfaces." Thesis, Queen's University Belfast, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.728838.

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In this thesis, we have focused on achieving insights into the heterogeneous hydrogenation of benzoic acid and acetylene. DFT calculations have enabled us to understand the reaction mechanism towards different products. Chapter 3 and Chapter 4 present detailed analyses of benzoic acid and formic acid hydrogenation over various metal surfaces; based on the computational results, we have achieved to understand the bi-phase Pt/SnO2-x catalysts that make up the deficiencies of singe metal catalysts regarding the selectivity of hydrogenation of benzoic acid towards phenyl methanol. Computationally,
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47

Hagey, H. Louis. "Kinetic modelling of synthesis gas into hydrocarbons." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ58214.pdf.

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48

Pizzul, Leticia. "Degradation of polycyclic aromatic hydrocarbons by actinomycetes /." Uppsala : Department of Microbiology, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200650.pdf.

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49

Eriksson, Mikael. "Biodegradation of hydrocarbons in soil and water /." Stockholm : Tekniska högsk, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3072.

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50

Öström, Henrik. "Chemical bonding of hydrocarbons to metal surfaces /." Stockholm : Fysikum, Univ, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-171.

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