Dissertations / Theses on the topic 'Organics matter'
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Sch??fer, Andrea Iris Chemical Engineering & Industrial Chemistry UNSW. "Natural Organics Removal using Membranes." Awarded by:University of New South Wales. Chemical Engineering and Industrial Chemistry, 1999. http://handle.unsw.edu.au/1959.4/20695.
Full textAl, Lawati Wafa Mustafa Mohammed. "The role of organics in the mobilization of arsenic in shallow aquifers." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/the-role-of-organics-in-the-mobilization-of-arsenic-in-shallow-aquifers(80126753-1300-40f9-924b-6a94f6c4d6af).html.
Full textDüker, Anders. "Natural aquatic colloidal matter : characteristics and impact on the mobility of trace metals and organics /." Linköping : Tema, Univ, 1998. http://www.bibl.liu.se/liupubl/disp/disp98/arts180s.htm.
Full textDanilovic, Dusan Stevan. "Investigation of Magnetic Properties in the Case of Three Families of 1-Dimensional Magnets:M(II)A(4,4'-bipyridine);M=Fe,Co,Ni,Cu A=Cl2,(N3)2,(ox)." Diss., Temple University Libraries, 2010. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/89058.
Full textPh.D.
Magnetic properties of three families of metal-organic coordinated networks which have the general form of M(II)A(4,4'-bipyridine), where M=Fe, Ni, Co, and Cu and A=Cl2, (ox) and (N3)2, are studied in this dissertation. Novel Ni(N3)2(4,4'-bipyridine), Co(N3)2(4,4'-bipyridine) and Cu(N3)2(4,4'-bipyridine) have been synthesized. We applied different synthesis procedures and produced Ni, Co, and Cu azide compounds for the first time, thus leaving the hydrothermal route procedure. Powder x-ray diffraction at room temperature was done in order to establish the crystal structure of the members of these three families. It was found that all of them crystallize in orthorhombic structure, where transitional metals have an octahedral coordination. Since all three families have identical crystal structure we got opportunity to examine how ligands facilitate magnetic interaction between metallic centers and also to test existing magnetic theoretical models. Since 4,4'-bipyridine is much longer than other ligands, our systems can be considered as 1-D magnetic systems. Their interchain magnetic interactions are very weak, and they order magnetically at very low temperatures of the order of few K. Measurements of M(H) at temperatures T=1.9K and T=2K and χ(T) in different external magnetic fields in zero field and field cooled modes have been made. In the case of MCl2(4,4'-bipyridine) family of compounds, we observed ferromagnetic interactions between metal ions within the chains and antiferromagnetic interactions between adjacent chains. M(ox)(4,4'-bipyridine) family of metal-organic compounds has antiferromagnetic interactions between the transitional metal ions within the chain, while weak ferromagnetic interaction exists between the chains. All members in the M(N3)2(4,4'-bipyridine) family except in the case of the copper compound were found to have ferromagnetic interactions between metal ions within the chains and then antiferromagnetic interactions between adjacent chains. The copper compound does not show magnetic ordering in the temperature range we considered. All the metal ions in these compounds were detected in high spin states. The magnetic susceptibility data was fit to appropriate 1-D models, which in the case of MCl2(4,4'-bipyridine) and M(N3)2(4,4'-bipyridine) were the Classical Spin Fisher model, and the Bonner Fisher model in the case M(ox)(4,4'-bipyridine). The experimental results and fitting to the appropriate model with the accuracy of 0.995 suggests that shorter Cl-M-Cl distances facilitate ferromagnetic interactions, which are more sensitive to the total spin value then to the sole distance between metal ions. The magnetic behavior of M(N3)2(4,4'-bipyridine) family of coordinated metal-organic compounds is very interesting because family members exhibit both ferromagnetic and antiferromagnetic behavior. The ferromagnetic characteristics decrease with decreasing spin. Fitting the results for all compounds of the M(ox)(4,4'-bipyridine) family have shown that strong anisotropy exists in all of them, being highest in Ni(ox)(4,'4-bipyridine) and lowest in Co(ox)(4,4'-bipyridine). Specific heat measurements were performed in the case of cobalt and copper azide compounds and then compared with previously obtained results for the iron coordinated network of the same family. Although none of these compounds show the characteristic λ shaped transition indicating magnetic ordering, all of them have unusually large values of the constant γ, which indicates significant magnetic contribution to the observed specific heat, since the free electron contribution in these observed families is negligible. We have concluded that total spin of the transitional metal plays a more important role than the distance between ions within the chain in determining magnitude of interaction, and that (N3)2 is a better facilitator of ferromagnetic interaction between ions than Cl2.
Temple University--Theses
Minnis, Rochelle J. "Comparison of the use of single and multiple oxidants on the generation of particulate matter in water distribution systems derived from groundwater sources containing hydrogen sulfide and dissolved organics." [Tampa, Fla] : University of South Florida, 2005. http://purl.fcla.edu/usf/dc/et/SFE0001390.
Full textBisinoti, Marcia Cristina. "Biogeoquimica aquatica do mercurio organico na Bacia do Rio Negro, Amazonia." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249639.
Full textTese (doutorado) - Universidade Estadual de Campinas, Instituto de Quimica
Made available in DSpace on 2018-08-04T20:31:57Z (GMT). No. of bitstreams: 1 Bisinoti_MarciaCristina_D.pdf: 1949476 bytes, checksum: a702f967a817c83e250f6e74b334ddd3 (MD5) Previous issue date: 2005
Doutorado
Quimica Analitica
Doutor em Ciências
Sharp, Emma. "Natural organic matter coagulation." Thesis, Cranfield University, 2005. http://dspace.lib.cranfield.ac.uk/handle/1826/2224.
Full textLaniewski, Krzysztof. "Halogenated organic matter in precipitation /." Linköping : Tema, Univ, 1998. http://www.bibl.liu.se/liupubl/disp/disp98/arts176s.htm.
Full textNilsson, K. Sofia. "Modelling soil organic matter turnover /." Uppsala : Dept. of Ecology and Environmental Research, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/s326.pdf.
Full textYusran, Fadly Hairannoor. "Soil organic matter decomposition : effects of organic matter addition on phosphorus dynamics in lateritic soils." University of Western Australia. School of Earth and Geographical Sciences, 2005. http://theses.library.uwa.edu.au/adt-WU2005.0120.
Full textNuwer, Jonathan Mark. "Organic matter preservation along a dynamic continental margin : form and fates of sedimentary organic matter /." Thesis, Connect to this title online; UW restricted, 2008. http://hdl.handle.net/1773/10999.
Full textEstapa, Margaret L. "Photochemical Reactions of Particulate Organic Matter." Fogler Library, University of Maine, 2011. http://www.library.umaine.edu/theses/pdf/EstapaM2011.pdf.
Full textKoprivnjak, Jean-François. "Natural Organic Matter: Isolation and Bioavailability." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14564.
Full textKoprivnjak, Jean-Franȯis. "Natural organic matter isolation and bioavailability /." Available online, Georgia Institute of Technology, 2007, 2007. http://etd.gatech.edu/theses/available/etd-04082007-154052/.
Full textPerdue, E. Michael, Committee Chair ; Ingall, Ellery, Committee Member ; Stack, Andrew, Committee Member ; Nenes, Athanasios, Committee Member ; Pfromm, Peter, Committee Member.
Bashir, Firdous Zahra. "Molecular characterization of sedimentary organic matter." Thesis, University of Newcastle Upon Tyne, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246697.
Full textScott, Sharon Elizabeth. "Computational Approaches to Studying Organic Cation Sorption to Organic Matter." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1594139918499603.
Full textFaituri, Mikaeel Y. "Soil organic matter in Mediterranean and Scandinavian forest ecosystems : dynamics of organic matter, nutrients, and monomeric phenolic compounds /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2002. http://epsilon.slu.se/avh/2002/91-576-6320-3.pdf.
Full textGordon, Kelly Jo. "Chromophoric dissolved organic matter in coastal rainwater /." Electronic version (PDF), 2007. http://dl.uncw.edu/etd/2007-1/gordonk/kellygordon.pdf.
Full textPers, B. Charlotta. "Modelling organic matter dynamics in aquatic systems /." Linköping : Univ, 2000. http://www.bibl.liu.se/liupubl/disp/disp2000/arts214s.htm.
Full textGiannelli, Virginia. "Dissolved organic matter in the Southern Ocean." Thesis, Bangor University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247270.
Full textReid, Seth Neil. "Chromophoric dissolved organic matter in coastal rainwater /." Electronic version (PDF), 2003. http://dl.uncw.edu/etd/2003/reids/sethreid.html.
Full textAziez, Mebarka. "The organic geochemistry of sedimentary organic matter from the Algerian Sahara." Thesis, University of Newcastle Upon Tyne, 1992. http://hdl.handle.net/10443/454.
Full textLoh, Pei Sun. "An assessment of the contribution of terrestrial organic matter to total organic matter in sediments in Scottish sea lochs." Thesis, Open University, 2005. https://pure.uhi.ac.uk/portal/en/studentthesis/an-assessment-of-the-contribution-of-terrestrial-organic-matter-to-total-organic-matter-in-sediments-in-scottish-sea-lochs(8882e1fb-99cb-410a-a94d-eecacc9b5897).html.
Full textLønborg, Christian. "Bioavailability of dissolved organic matter in coastal waters." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=59094.
Full textKlemedsson, Shicarra. "Flocculation of natural organic matter in Swedish lakes." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-85118.
Full textPatriarca, Claudia. "Characterization of dissolved organic matter : An analytical challenge." Licentiate thesis, Uppsala universitet, Analytisk kemi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-341690.
Full textGonsior, Michael, and n/a. "Dissolved organic matter in New Zealand natural waters." University of Otago. Department of Chemistry, 2008. http://adt.otago.ac.nz./public/adt-NZDU20080501.114023.
Full textFonseka, K. C. M. (Kosmafonsekage Chintha Mirani) 1960. "Characterization of dissolved organic matter in industrial wastewaters." Monash University, Dept. of Chemistry, 2000. http://arrow.monash.edu.au/hdl/1959.1/8932.
Full textCammack, W. K. Levi. "Dissolved organic matter fluorescence : relationships with heterotrophic metabolism." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=29417.
Full textPerez-Castillo, Fernando. "Sedimentation of organic matter on the Hebridean slope." Thesis, Bangor University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287026.
Full textMcKay, Garrett J. "Reactivity of the hydroxyl radical with organic matter." Thesis, California State University, Long Beach, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1527332.
Full textThe goal of this study was to investigate some of the fundamental chemistry of the reactions between the hydroxyl radical and apply this knowledge to the treatment of chemical contaminants in real world waters. To accomplish this goal, the techniques of electron pulse radiolysis were used to quantify second-order rate constants for the reaction between the HO· radical and well characterized OM samples. Studies of HO· radical reactivity with model polyethylene glycol polymers were performed to help understand OM-HO· reactivity. Experiments using steady state radiolysis were performed in order to assess the effect of long-term, seasonal variability in OM composition on the degradation of probe compounds used as model chemical contaminants. In addition, the photochemical production of HO· from OM sensitization was also investigated.
Hutchison, John. "Structural studies of sulphur-rich sedimentary organic matter." Thesis, University of Bristol, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303759.
Full textMcDonald, Adrian. "Fluorescence of dissolved organic matter in natural waters." Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243162.
Full textFox, Bethany Gemma. "Bacterial processing of fluorescent organic matter in freshwater." Thesis, University of the West of England, Bristol, 2018. http://eprints.uwe.ac.uk/35535/.
Full textDoohan, Thomas James. "Drivers of Soil Organic Matter Stabilization across Ohio." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1597941993038872.
Full textPalmer, S. R. "The analysis of organic matter in oil-shales." Thesis, Aston University, 1987. http://publications.aston.ac.uk/9724/.
Full textLindgren, Paula. "The preservation of organic matter in impact craters." Thesis, University of Aberdeen, 2007. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU238018.
Full textChristensen, Bent T. "Organic matter in soil : structure, function and turnover /." Tjele : Danish institute of agricultural sciences. Research centre Foulum, 2000. http://catalogue.bnf.fr/ark:/12148/cb388316309.
Full textOgden, J. M. "Some effects of afforestation on soil organic matter." Thesis, University of Stirling, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375418.
Full textFrankki, Sofia. "Association of organic compounds to dissolved and particulate natural organic matter in soils /." Umeå : Dept. of Forest Ecology, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200652.pdf.
Full textWilliams, Stephen. "Soil transformations of added organic matter in organic farming systems and conventional agriculture." Thesis, University of Aberdeen, 1996. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU083669.
Full textvan, Schaik Joris W. J. "Binding of metals to macromolecular organic acids in natural waters : does organic matter? /." Uppsala : Department of Soil and Environment, Swedish University of Agricultural Sciences, 2008. http://epsilon.slu.se/200872.pdf.
Full textDing, Chunli. "Organic cation-modified iron oxide-coated sand for adsorption of natural organic matter /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202009%20DING.
Full textGuppy, Christopher Neil. "Phosphorus and organic matter interactions in highly weathered soils /." St. Lucia, Qld, 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17420.pdf.
Full textTortajada, Navarro Andreu. "Nickel-Catalyzed Reductive Carboxylation and Amidation of Organic Matter." Doctoral thesis, Universitat Rovira i Virgili, 2020. http://hdl.handle.net/10803/670204.
Full textHerrmann, Anke. "Predicting nitrogen mineralization from soil organic matter - a chimera? /." Uppsala : Dept. of Soil Sciences, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a429.pdf.
Full textOdem, Wilbert Irwin Jr. "Natural Organic Matter Interactions with CU(II) in groundwater." Diss., The University of Arizona, 1991. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1991_471_sip1_w.pdf&type=application/pdf.
Full textDennett, Keith Elliot. "Coagulation of natural dissolved organic matter using ferric chloride." Thesis, Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/21438.
Full textMatlack, Keith Scanlan. "Modeling the interaction of dissolved organic matter with cations." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/26215.
Full textThoss, Vera. "Chemical characterisation of dissolved organic matter in natural matices." Thesis, Bangor University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310867.
Full text