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Dissertations / Theses on the topic '4-dioxides'

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1

梁曼儀 and Man-yee Leung. "Synthetic investigations into [delta]4-1, 2-thiazoline 1, 1-dioxides." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1985. http://hub.hku.hk/bib/B31207340.

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2

Leung, Man-yee. "Synthetic investigations into [delta]4-1, 2-thiazoline 1, 1-dioxides /." [Hong Kong : University of Hong Kong], 1985. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12348739.

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3

Girdzevičius, Dalius. "Nestechiometrinio titano oksido, gauto vandens garų plazmoje, elektrinių savybių tyrimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2012. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2012~D_20120202_143509-58011.

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Titano dioksidas, pasižymintis unikaliomis fizikinėmis bei cheminėmis savybėmis, yra gerai žinoma, plačiai naudojama bei tyrinėjama medžiaga. Tiriant TiO2 elektrines savybes, galima gauti informacijos, kokios naujos medžiagos fazės formuojasi plonasluoksnėse dangose. Elektrinė titano dioksido varža priklauso nuo bandinio stechiometriškumo, nusakančio vyraujančius defektus bei laidumo tipą. Siekiant gauti norimų savybių plonasluoksnes dangas, būtina atsižvelgti į bandinių paruošimo ir gamybos procesus. Bandinių nusodinimui naudojama vakuuminė užnešimo technika leidžia kontroliuoti procesus, lem
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4

Bensliman, Chakib. "Von Alpha,Beta-ungesättigten Ketonen und ihren Oximen zu Pyrazol-4-on-1,2-dioxiden, potentiellen NO-Pharmaka /." [S.l. : s.n.], 1998. http://www.gbv.de/dms/bs/toc/253245788.pdf.

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5

Oro, Inês Correia Horta Lazo. "Avaliação do crescimento de leveduras de alteração em vinhos utilizando a metodologia de superficies de resposta." Master's thesis, ISA, 2014. http://hdl.handle.net/10400.5/7068.

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Mestrado em Viticultura e Enologia - Instituto Superior de Agronomia / Universidade do Porto. Faculdade de Ciências<br>This study aimed to understand the effects of different factors on the growth of spoilage yeasts in red wine and consequent production of metabolites using response surface methodology. The combination of the effects of glucose, ethanol and free sulfur dioxide on the growth of various species of yeast change (Zygosaccharomyces bailii, Schizosaccharomyces pombe, Dekkera / Brettanomyces bruxellensis, Saccharomycodes ludwigii , Saccharomyces cerevisiae) was studied using the meth
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6

Bhattacharjee, Linkon. "DEGRADATION OF 1,4-DIOXANE USING METALLIC NANOPARTICLES UNDER VISIBLE LIGHT." OpenSIUC, 2020. https://opensiuc.lib.siu.edu/theses/2655.

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1,4-dioxane is an emerging contaminant and fully miscible organic compound which has been found extensively in wastewater effluent. Conventional water treatment technologies like carbon adsorption, and air stripping are inefficient in removing this extremely mobile and persistent contaminant from water. In this study, different types of metallic nanoparticles, e.g., nanoscale zero-valent iron (nZVI), γFe2O3, and Fe(III)-doped TiO2 were used to investigate the removal of 1,4-dioxane under visible light. These nanoparticles were characterized with scanning electron microscope (SEM), transmission
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7

Gaudin, Michael. "Ablation laser impulsionnelle : source de nanoparticules en vol et de films minces : Développement de matériaux nanostructurés à base d'argent, de vanadium et de dioxyde de vanadium." Thesis, Limoges, 2017. http://www.theses.fr/2017LIMO0025/document.

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Ces travaux de thèse portent sur le développement d’un dispositif de synthèse de nanoparticules (NPs) par une voie physique basée sur la pulvérisation laser d’une cible suivie d’une trempe du panache plasma ainsi formé. L’association de cette source à une enceinte d’ablation laser conventionnelle a permis de synthétiser des NPs d’argent et de vanadium empilées sur des substrats ou noyées dans des matrices synthétisées par ablation laser. Des analyses par microscopie électronique en transmission (MET) et microscope à force atomique (AFM) ont révélé des NPs cristallisées en vol, de forme sphériq
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8

Newlands, Stephen Frederick. "Synthesis and flash vacuum pyrolysis of cisoid- and transoid- 4-thiatricyclo[5.2.0.0²,⁶]non-8-ene 4,4-dioxide and derived systems." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/15501.

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9

Keller, Jana [Verfasser]. "Biokinetics and inhalation toxicity of cerium dioxide and barium sulfate nanoparticles after 1, 4, 13 and 52 weeks of exposure / Jana Keller." Gießen : Universitätsbibliothek, 2015. http://d-nb.info/1078849315/34.

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10

Dunetz, Joshua Ross. "Synthesis of indolines and indoles via intramolecular [4 + 2] cycloaddition of ynamides and conjugated enynes ; Synthesis of nitrogen heterocycles in supercritical carbon dioxide." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33650.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2005.<br>Vita.<br>Includes bibliographical references.<br>A general amination strategy for the N-alkynylation of carbamates, sulfonamides, and chiral oxazolidinones and imidazolidinones is described. A variety of substituted ynamides are available by deprotonation of amide derivatives with KHMDS followed by reaction with CuI and an alkynyl halide. Ynamides react with conjugated enynes in intramolecular [4 + 2] cycloaddition to afford substituted indolines that undergo oxidation with o-chloranil to furnish the correspon
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11

Ngqongwa, Lundi Vincent. "Electrochemical characterization of nanostructured SnO2 and TiO2 for potential application as dielectric materials in sulfonated-polyaniline based supercapacitors." Thesis, University of the Western Cape, 2010. http://hdl.handle.net/11394/2575.

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Magister Scientiae - MSc<br>In this research project, nanostructured composites based on Tin dioxide (SnO2) and Titanium dioxide (TiO2) with poly-4-styrene sulfonic acid (PSSA) doped polyaniline (PANI) conducting polymer has been investigated based on their structural, electrical and electrochemical properties. The synthesis of conducting polymers and their metal oxide or composites have been carried out chemically or electrochemically according to methods modified from the literature. Layer-by-layer construction of nano-Metal Oxide/PSSA doped polyaniline composites were successfully construct
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12

Risbridger, Thomas Arthur George. "Aqueous dye sensitized solar cells." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607628.

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Dye sensitized solar cells (DSSCs) have typically been produced using organic liquids such as acetonitrile as the electrolyte solvent. In real world situations water can permeate into the cell through sealing materials and is also likely to be introduced during the fabrication process. This is a problem as the introduction of water into cells optimized to use an organic solvent tends to be detrimental to cell performance. In this work DSSCs which are optimized to use water as the main electrolyte solvent are produced and characterized. Optimization of aqueous DSSCs resulted in cells with effic
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13

Pawar, Krantikumar Subhash. "Ab Initio Modeling of an Electron Transport Layer Interface in Hybrid Perovskite Solar Cells." Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1610125331928229.

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14

Wang, Jonah T. W., and 王宗偉. "Copolymerization of carbon dioxide and 4-vinyl cyclohexane oxide with OrganoYittrium coordination catalyst." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/84120373548102951531.

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碩士<br>國立清華大學<br>化學工程學系<br>88<br>Abstract The objective of this research is to study the feasibility of synthesizing polycarbonate by reacting 4-vinyl cyclohexene oxide (VCHO) with carbon dioxide.The yields and properties of copolymers were investigated. From the characteristic peak of C=O stretching at 1700 ~1800cm-1in the IR spectra, the polymer produced was confirmed as the copolymer of polycarbonate and polyether.The H1NMR spectrum shows that the main structure of cyclohxene and vinyl group of VCHO still existed in the copolymer. Results show that the
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15

He, Qing-Po, and 何清波. "Synthesis and antihypertensive activity evaluation of 2-{2-[4-(4-fluorobenzoyl)-1-piperidyl]-ethyl}-1,2,4-benzothiadiazine-3(4H)-one-1,1-dioxide." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/74215914621474585401.

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16

Costa, Erica Doutel. "Separation of gaseous mixtures (Nitrogen-MJethane-Carbon dioxide) by adsorption usig titanosilicate ETS-4." Master's thesis, 2010. http://hdl.handle.net/10216/61577.

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17

Costa, Erica Doutel. "Separation of gaseous mixtures (Nitrogen-MJethane-Carbon dioxide) by adsorption usig titanosilicate ETS-4." Dissertação, 2010. http://hdl.handle.net/10216/61577.

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18

LEE, JIH-CHENG, and 李日正. "The Study on Dyeability of 3-amino-4-methoxyacetanilide Disperse Dyes in Supercritical Carbon Dioxide." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/cy2xn6.

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碩士<br>亞東技術學院<br>材料與纖維系應用科技碩士班<br>105<br>Environmental protection is important in this generation, a dyeing method without water is good for environment, which called supercritical carbon dioxide would be used. In order to improve Solubility and up-take rate in supercritical carbon dioxide dyeing, Thirteen disperse dyes would be synthesized and dyeing by supercritical carbon dioxide in this study, discussed the effects of up-take rate in polyester woven, dyeing fastness and color strain by different alkyl length. It was confirmed from 1H-NMR and Mass that thirteen dye and three dye intermediate
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19

Bensliman, Chakib. "Von [alpha],ß-ungesättigten Ketonen und ihren Oximen zu Pyrazol-4-on-1,2-dioxiden, potentiellen NO-Pharmaka /." 1998. http://www.gbv.de/dms/bs/toc/253245788.pdf.

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20

Huang, Chiung-Hua, and 黃瓊嬅. "Studies on Molecular and Cellular Mechanisms of Benzo[1.3.2]dithiazolium Ylide 1,1-Dioxide and Quinolin-4-one Derivatives." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/71675463904357369026.

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博士<br>臺灣大學<br>藥學研究所<br>98<br>While chronic inflammation is widely believed to be a predisposing factor for cancer, the exact mechanisms linking these conditions have remained elusive. CX9051, a benzo[1.3.2]dithiazolium ylide 1,1-dioxide derivative identified as a COX-2 and 5-LOX dual inhibitor in our laboratory, exhibited anti-inflammatory activity and anti-proliferation effects. Our results demonstrated that CX9051 suppressed the LPS-induced PGE2 production and TNF-α generation and attenuated the protein expression of COX-2, iNOS, Akt, and NF-κB as well as NF-κB translocation. Furthermore, CX
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21

Wu, Cheng-Che, and 吳承哲. "Measurement of Thermodynamics and Kinetics of Carbon Dioxide Hydrate in the Presence of 1-Methyl-2-pyrrolidone and 4-Methylmorpholine." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/93069949755091123442.

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22

Chen-Shi, Lee, and 李晨曦. "Synthesis and eletrochemical properties of new eletron transport materials based on the heterocyclic core of 4-(dicyanomethylene)-2,6-diphenyl-4H-thiopyran-1,1-dioxide." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/74477185128211950882.

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碩士<br>國立臺灣科技大學<br>化學工程系<br>92<br>A series of new electron materials based on the heterocyclic core of 4-(dicyanomethylene)-2,6-diphenyl-4H-thiopyran-1,1-dioxides (7) (DCTD-4F, DCTD-3F, DCTD-4B, DCTD-FL and DCTD-OC8), were prepared by condensation of malonitrile with the corresponding 2,6-di-phenyl substituted 4H-1,1-dioxothiopyran-4-one (6). Condensation of 4-bromobenzaldehyde (1) and acetone in ethanol using NaOH as catalyst gave (E,E)-1,5-di(4-bromophenyl)-1,4-pentadien-3-one (2). Introduction of sulfur to(E,E)-1,5-di(4-bromophenyl)-1,4-pentadien-3-one (2) by sodium hyd
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23

Ngqongwa, Lundi Vincent. "Electrochemical characterization of nanostructured SnO2 and TiO2 forpotential application as dielectric materials in sulfonated-polyaniline based supercapacitors." Thesis, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_3398_1306923514.

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<p>In this research project, nanostructured composites based on Tin dioxide (SnO2) and Titanium dioxide (TiO2) with poly-4-styrene sulfonic acid (PSSA) doped polyaniline (PANI) conducting polymer has been investigated based on their structural, electrical and electrochemical properties. The synthesis of conducting polymers and their metal oxide or composites have been carried out chemically or electrochemically according to methods modified from the literature. Layer-by-layer construction of nano-Metal Oxide/PSSA doped polyaniline composites were successfully constructed by electroanalytical m
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24

SHEN, PEI-WUN, and 沈姵妏. "Nitride graphite / manganese dioxide screen-printed carbon electrode nitrite detection and the detection of 4-hydroxynitrobenzene in river water by nickel disulfide/graphene oxide glassy carbon electrode." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/8e94qg.

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碩士<br>國立臺北科技大學<br>化學工程與生物科技系化學工程碩士班<br>107<br>Part I:In this study, a simple and environmentally friendly hydrothermal method was used to prepare a porous graphite carbonitride/manganese dioxide nanocomposite (GCN/MnO2), which was modified on a screen printed carbon electrode(SPCE), and for the first time applied to the electrochemical detection of nitrite, the rapid and sensitive detection efficiency of the nanocomposite electrode is helpful for the development of nitrite electrochemical detection. In this experiment, various physical and chemical techniques were used to detect properties: X-
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25

Łęcki, Tomasz. "Dwu- i trójskładnikowe układy hybrydowe do zastosowań fotokatalitycznych." Doctoral thesis, 2021. https://depotuw.ceon.pl/handle/item/4017.

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Wszechobecne zanieczyszczenie środowiska związkami organicznymi stosowanymi w przemyśle i zawartymi w środkach higieny osobistej, czy farmaceutykach jest jednym z problemów współczesnego świata. Jednym ze sposobów prowadzących do rozwiązania tego problemu jest rozkład tych zanieczyszczeń z zastosowaniem przyjaznych środowisku źródeł energii, na przykład z wykorzystaniem energii światła słonecznego. Odbywa się to dzięki procesowi fotokatalitycznemu, przebiegającemu na powierzchni materiałów półprzewodnikowych. Podczas oświetlania półprzewodnika światłem odpowiedniej energii, wytwarzane są w nim
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