Academic literature on the topic 'Oxides'

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Journal articles on the topic "Oxides"

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Gornostaev, Leonid M. "Synthesis of 5-hydroxy-10-R-benzo[a]phenazine-12-oxides by cyclization of 2-arylamino-1,4-naphthoquinone-1-oximes under the action of nitrating mixture." Butlerov Communications 61, no. 2 (February 29, 2020): 12–23. http://dx.doi.org/10.37952/roi-jbc-01/20-61-2-12.

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The synthesis of рolycyclic quinoid compounds, which exhibit a wide range of biological activity is one of the most promising and actively developing areas of the fine organic synthesis. Heterocyclic compounds including those that can be donors of nitrogen oxide NO occupy a special place among biologically active structures. These substances include a number of N-oxides, e.g., 1,2-diazet-1,2-dioxides, furoxanes and their benzo analogs, and N,N′-pyrazole dioxides. The reason for the high biological activity of N-oxides of nitrogenous heterocycles, which cannot easily generate nitrogen oxide NO may be their oxidative properties. Thus, N-oxides of nitrogenous heterocycles are of interest due to their high biological activity. We have developed an approach to the synthesis of 5-hydroxy-10-R-benzo[a]phenazine-12-oxides that contain the N-oxide fragment, which makes these compounds promising for studying their biological activity. We have demonstrated that the treatment of 2-arylamino-1,4-naphthoquinones with hydroxylamine in ethanol at 50-60 °С leads to selective oximation at position 1 and the formation of 2-arylamino-1,4-naphthoquinone-1-oximes. It has been shown that the interaction of 2-arylamino-1,4-naphthoquinone-1-oximes with the nitrating mixture in acetic acid results in the formation of 5-hydroxy-10-R-benzo[a]phenazine-12-oxides. Our work is a continuation of the study on the interactions of 2-arylamino-1,4-naphthoquinones and 4-arylamino-1,2-naphthoquinones with nitrosylsulfuric acid in acetic acid and the interaction of 2-alkyl(benzyl)amino-1,4-naphthoquinones with nitrosylsulfuric acid or nitrating mixture in acetic acid. The former reactions lead to the formation of 3-R-benzo[b]phenazine-6,11-dione-5-oxides and 9-R-benzo[a]phenazine-5,6-dion-7-oxides, respectively. The latter reaction leads to the formation of 2-alkyl(aryl)naphtho[2,1-d][1,3]oxazole-4,5-dione-4-oximes and 2-alkyl(aryl)-1-hydroxy-1H-naphtho[2,3-d]imidazole-4,9-dione as main products.
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Hanhela, PJ, and DB Paul. "Synthesis and Stability of Aryl Bis(nitrile oxides) With Potential as Curing Agents for Polysulfide Sealants." Australian Journal of Chemistry 42, no. 2 (1989): 287. http://dx.doi.org/10.1071/ch9890287.

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Several aromatic bis( nitrile oxides) have been prepared as potential curing agents for sealants produced from thiol -terminated polysulfide liquid polymers. All were obtained by dehydrohalogenation of α-halo oximes and the requisite aldehydes were synthesized from either the dimethyl derivatives or the chloromethylated hydrocarbons. The direct chloromethylation of naphthalene which offered a convenient route to the naphthalene-1,4- and 1,5-bis(carbonitrile oxides) was re-examined. Also prepared were naphthalene-2,6-bis(carbonitri1e oxide), anthracene-9,10-bis(carbonitri1e oxide) and 4,4′-sulfonylbisbenzonitrile dioxide. The course of the reaction between naphthalene-2,3-dicarbaldehyde and hydroxylamine was established and shown to differ from that involving phthalaldehyde. Stabilities of the nitrile oxides at -15�, 4� and 25� were assessed by spectroscopic means.
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Ennis, BC, PJ Hanhela, and DB Paul. "Organic Curing Agents for Polysulfide Sealants. III. A Mechanistic Interpretation of the Thermal Degradation of Nitrile Oxide-Cured Polysulfide Sealants." Australian Journal of Chemistry 43, no. 1 (1990): 109. http://dx.doi.org/10.1071/ch9900109.

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Sealants obtained by cure of polysulfide liquid polymers with aryl bis ( nitrile oxides) possess the thiohydroximic acid ester structural feature. Unexpectedly these materials were found to exhibit poor thermal stability: when heated at 60° they soften within days and liquefy in 3 weeks. Products obtained with excess nitrile oxide degraded faster than those produced with equimolar amounts of reagents. Interpretations considered included (A) dissociation of the thiohydroximic acid group, (B) reaction between nitrile oxide and a reactive centre in the polysulfide structure, and (c) addition of nitrile oxide to the side chain. It was shown that neither of the first two possibilities was applicable. Moreover, spectroscopic studies demonstrated that, after an initial rapid addition between nitrile oxide and thiol , a second slower reaction occurred which consumed additional nitrile oxide. Although aldehyde oximes and a- chloro oximes do not participate in such processes unless catalysts are present, thiohydroximic acid derivatives were shown to react with nitrile oxides at ambient temperature to form 1,2,4-oxadiazole 4-oxides and alkyl thiol . For the case of a polysulfide sealant the equivalent rupture of a C-S bond to form the thiol involves cleavage of the polymer backbone. Continuation of the process would lead to degradation of the sealant. These observations were supported by thermal analysis studies on the polysulfide sealants and model polymers.
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She, Weiqing, Zhenzhen Xu, Lianjie Zhai, Junlin Zhang, Jie Huang, Weiqiang Pang, and Bozhou Wang. "Synthetic Methods Towards Energetic Heterocyclic N-Oxides via Several Cyclization Reactions." Crystals 12, no. 10 (September 25, 2022): 1354. http://dx.doi.org/10.3390/cryst12101354.

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Due to the introduction of oxygen atoms, N-oxide energetic compounds have a unique oxygen balance, excellent detonation properties, and a high energy density, attracting the extensive attention of researchers all over the world. N-oxides are classified into two categories based on the structural characteristics of their skeletons: azine N-oxides and azole N-oxides, whose N→O coordination bonds are formed during cyclization. There are six kinds of azine N-oxides, namely 1,2,3,4-tetrazine-1,3-dioxide, 1,2,3,5-tetrazine-2-oxide, 1,2,3-triazine-3-oxide, 1,2,3-triazine-2-oxide, pyridazine-1,2-dioxide, and pyrazine-1-oxide. Azole N-oxides include 1,2,5-oxadiazole-2-oxide, pyrazole-1-oxide, and triazole-1-oxide. Synthetic strategies towards these two categories of N-oxides are fully reviewed. Corresponding reaction mechanisms towards the aromatic N-oxide frameworks and examples that use the frameworks to create high-energy substances are discussed. Moreover, the energetic properties of N-oxide energetic compounds are compared and summarized.
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Novosyolov, A., I. Olianina, I. Novoselova, Y. Vasina, Y. Ershova, T. Loik, and Yu Kudelina. "RESEARCH OF THE POSSIBILITY OF REDUCING THE CIRCULATION OF SULFUR OXIDE IN THE PRODUCTION OF WHITE CEMENT." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 6, no. 7 (July 10, 2021): 89–98. http://dx.doi.org/10.34031/2071-7318-2021-6-7-89-98.

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The article discusses the possibility of reducing the circulation of sulfur oxide in the production of white cement by introducing alkaline potassium oxides K2O and sodium Na2O. A decrease in the circulation of sulfur oxide SO3 is achieved by increasing its yield in the clinker by transferring SO3 from a more sublimated compound of calcium sulfate CaSO4 to less sublimated potassium sulfates K2SO4 and sodium Na2SO4. Potassium and sodium oxides are introduced in the composition of carbonates and feldspar. The amount of introduced alkali oxides is controlled by the molar ratio A/S between sulfur oxide SO3 and alkaline oxides K2O and Na2O. It is shown that with the same molar ratio between sulfur oxide and alkaline oxides, the amount of SO3 removed with clinker depends on the ratio between potassium and sodium oxides. The higher the sodium oxide content, the more sulfur oxide comes out with the clinker and less remains to circulate in the kiln. The sublimation of sulfur oxide decreases from 70.5% - without the introduction of alkaline oxides, to 38,5 % at the maximum A/S ratio with the addition of potassium and sodium oxides in a ratio of 80:20 %. When potassium and sodium oxides are added in a ratio of 20:80%, the sublimation of sulfur oxide is reduced to 7,7 % at the same A/S ratio.
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Navrotsky, Alexandra, and Anastasia Koryttseva. "Acid–Base Properties of Oxides Derived from Oxide Melt Solution Calorimetry." Molecules 28, no. 12 (June 7, 2023): 4623. http://dx.doi.org/10.3390/molecules28124623.

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The paper analyzes the relationships among acid–base interactions in various oxide systems and their thermodynamics. Extensive data on enthalpies of solution of binary oxides in oxide melts of several compositions, obtained by high-temperature oxide melt solution calorimetry at 700 and 800 °C, are systematized and analyzed. Oxides with low electronegativity, namely the alkali and alkaline earth oxides, which are strong oxide ion donors, show enthalpies of solution that have negative values greater than −100 kJ per mole of oxide ion. Their enthalpies of solution become more negative with decreasing electronegativity in the order Li, Na, K and Mg, Ca, Sr, Ba in both of the commonly used molten oxide calorimetric solvents: sodium molybdate and lead borate. Oxides with high electronegativity, including P2O5, SiO2, GeO2, and other acidic oxides, dissolve more exothermically in the less acidic solvent (lead borate). The remaining oxides, with intermediate electronegativity (amphoteric oxides) have enthalpies of solution of between +50 and −100 kJ/mol, with many close to zero. More limited data for the enthalpies of solution of oxides in multicomponent aluminosilicate melts at higher temperature are also discussed. Overall, the ionic model combined with the Lux–Flood description of acid–base reactions provide a consistent and useful interpretation of the data and their application for understanding the thermodynamic stability of ternary oxide systems in solid and liquid states.
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Nizhnik, Yakov P., Erin Hansen, Cayden Howard, Matthias Zeller, and Sergiy V. Rosokha. "Complexes of Zinc-Coordinated Heteroaromatic N-Oxides with Pyrene: Lewis Acid Effects on the Multicenter Donor–Acceptor Bonding." Molecules 29, no. 14 (July 13, 2024): 3305. http://dx.doi.org/10.3390/molecules29143305.

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4-Nitroquinoline-N-oxide (NQO) and 4-nitropyridine-N-oxide (NPO) are important precursors for the synthesis of substituted heterocycles while NQO is a popular model mutagen and carcinogen broadly used in cancer research; intermolecular interactions are critical for their reactions or functioning in vivo. Herein, the effects of the coordination of N-oxide’s oxygen atom to Lewis acids on multicenter donor–acceptor bonding were explored via a combination of experimental and computational studies of the complexes of NQO and NPO with a typical π-electron donor, pyrene. Coordination with ZnCl2 increased the positive electrostatic potentials on the surfaces of these π-acceptors and lowered the energy of their LUMO. Analogous effects were observed upon the protonation of the N-oxides’ oxygen or bonding with boron trifluoride. The interaction of ZnCl2, NPO, or NQO and pyrene resulted in the formation of dark co-crystals comprising π-stacked Zn-coordinated N-oxides and pyrene similar to that found with protonated or (reported earlier) BF3-bonded N-oxides. Computational studies indicated that the coordination of N-oxides to zinc(II), BF3, or protonation led to the strengthening of the multicenter bonding of the nitro-heterocycle with pyrene, and this effect was related both to the increased electrostatic attraction and molecular–orbital interactions in their complexes.
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Johnson, Haden A., Darby Donaho, Aya Ali, Amisha Parekh, Randall S. Williamson, Mary E. Marquart, Joel D. Bumgardner, Amol V. Janorkar, and Michael D. Roach. "Photocatalytic Activity and Antibacterial Properties of Mixed-Phase Oxides on Titanium Implant Alloy Substrates." Coatings 14, no. 5 (May 9, 2024): 595. http://dx.doi.org/10.3390/coatings14050595.

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Titanium alloys are commonly used for implants, but the naturally forming oxides are bioinert and not ideal for bacterial resistance or osseointegration. Anodization processes are a modification technique that can crystallize the oxides, alter oxide surface topography, and introduce beneficial chemistries. Crystalline titanium oxides are known to exhibit photocatalytic activity (PCA) under UVA light. Anodization was used to create mixed-phase oxides on six titanium alloys including commercially pure titanium (CPTi), Ti-6Al-4V (TAV), Ti-6Al-7Nb (TAN), two forms of Ti-15Mo (TiMo-β and TiMo-αβ), and Ti-35Nb-7Zr-5Ta (TNZT). Combined EDS and XPS analyses showed uptake of the electrolyte and substrate alloying elements into the oxides. The relative oxide PCA was measured using methylene blue degradation assays. CPTi and TAN oxides exhibited increased PCA compared to other alloys. Combined XRD and EBSD oxide phase analyses revealed an unfavorable arrangement of anatase and rutile phases near the outermost surfaces, which may have reduced PCA for other oxides. The relative Staphylococcus aureus attachment to each oxide was also assessed. The CPTi and TiMo-αβ oxides showed significantly reduced S. aureus attachment after 1 h of UVA compared to un-anodized CPTi. Cell culture results verified that the UVA irradiation did not negatively influence the MC3T3-E1 attachment or proliferation on the mixed-phase oxides.
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Takagaki. "Rational Design of Metal Oxide Solid Acids for Sugar Conversion." Catalysts 9, no. 11 (October 29, 2019): 907. http://dx.doi.org/10.3390/catal9110907.

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Aqueous-phase acid-catalyzed reactions are essential for the conversion of cellulose-based biomass into chemicals. Brønsted acid and Lewis acid play important roles for these reactions, including hydrolysis of saccharides, isomerization and epimerization of aldoses, conversion of d-glucose into 5-hydroxymethylfurfural, cyclodehydration of sugar alcohols and conversion of trioses into lactic acid. A variety of metal oxide solid acids has been developed and applied for the conversion of sugars so far. The catalytic activity is mainly dependent on the structures and types of solid acids. Amorphous metal oxides possess coordinatively unsaturated metal sites that function as Lewis acid sites while some crystal metal oxides have strong Brønsted acid sites. This review introduces several types of metal oxide solid acids, such as layered metal oxides, metal oxide nanosheet aggregates, mesoporous metal oxides, amorphous metal oxides and supported metal oxides for sugar conversions.
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Himbert, Gerhard, Dieter Faul, and Michael Barz. "Cycloadditionen, XIX. Umsetzungen von Butadiinyl- und Hexatriinyl-amin-Derivaten mit Nitriloxiden /Cycloadditions, XIX. Reactions of Butadiynyl- and Hexatriynyl-amine Derivatives with Nitrile Oxides." Zeitschrift für Naturforschung B 46, no. 7 (July 1, 1991): 955–68. http://dx.doi.org/10.1515/znb-1991-0715.

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Butadiyn- and hexatriynamines 1 a - g, bearing silyl-, trichlorvinyl- and amino groups, resp. in the ω-position of their acetylenic system add nitrile oxides 3 at their first C/C-triple bond to give the 5-aminoisoxazoles 4, whereas the analogous oligoynamines 1 i-l, bearing a hydrogen in the ω-position, add the nitrile oxides 3 at their terminal C/C-triple bond to give the (5-isoxazolyl)ethynyl- or -1,3-butadiynyl-amines 7. The latter ones react with a second molecule of nitrile oxide 3 to give the bis(isoxazoles) 8. In two cases, keton oximes 6e,j are formed as the products of a 1,3-addition.
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Dissertations / Theses on the topic "Oxides"

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Gillispie, Meagen Anne. "Metal oxide-based transparent conducting oxides." [Ames, Iowa : Iowa State University], 2006.

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Field, Marianne Alice Louise. "Transition metal oxides and oxide-halides." Thesis, University of Southampton, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401833.

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Romano, Esteban Javier. "A surface science approach to understanding emission control catalyst deactivation due to sulfation of ceria-zirconia mixed-metal oxides." Master's thesis, Mississippi State : Mississippi State University, 2004. http://library.msstate.edu/etd/show.asp?etd=etd-03252004-162922.

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McCluskey, Adam. "Carbonyl oxides." Thesis, University of Strathclyde, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303277.

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Lopes, Luis Fernando da Silva. "Síntese e caracterização do WO3-Ag preparado via rota hidrotérmica /." Bauru, 2017. http://hdl.handle.net/11449/152178.

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Orientador: Fenelon Martinho Lima Pontes
Banca: Adenilson José Chiquito
Banca: Alejandra Hortencia Miranda González
Resumo: As estruturas hierárquicas do WO3-Ag tridimensional (3D) auto-montadas foram sintetizadas através da rota hidrotérmica utilizando como soluções precursoras o ácido túngstico (H2WO4) e peróxido de hidrogênio (H2O2), adicionando diferentes quantidades de Ag. As amostras foram analisadas por difração de raios X (DRX), Microscopia Eletrônica de Varredura de Campo (MEV-FEG), análise termogravimétrica (TGA), espectroscopia micro Raman, espectroscopia no infravermelho por transformada de Fourier (FTIR), espectroscopia no ultravioleta visível UV-VIS e espectroscopia de fotoelétrons excitados por raios X (XPS). Os estudos de DRX e micro Raman mostraram que à medida que a quantidade de Ag variou de 0 a 10% em peso na solução de crescimento hidrotérmico, a fase do cristal mudou gradualmente de WO3•0,33H2O ortorrômbica para WO3 hexagonal. Os estudos de FTIR e TGA revelaram diferentes níveis de hidratação, apoiando os resultados de DRX e micro Raman. Ao controlar a quantidade de Ag na solução precursora, foram obtidos blocos de construção semelhantes a plaquetas e blocos de construção hexagonais, destacando o papel da prata no crescimento hidrotérmico dos microcristais 3D WO3•0.33H2O e WO3. Além disso, as imagens de MEV-FEG de alta magnificação mostraram que as nanopartículas de Ag estão ancoradas na superfície das estruturas hierárquicas WO3-Ag 3D. Medidas no UV-vis demonstraram que as estruturas hierárquicas 3D absorveram gradualmente mais luz quando a quantidade de Ag foi aumentada. Al... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: The self-assembled three-dimensional (3D) WO3-Ag hierarchical structures were synthesized through the hydrothermal route using tungstic acid (H2WO4) and hydrogen peroxide (H2O2) as precursor solutions, adding different amounts of Ag. The samples were analyzed by diffraction X-ray diffraction (XRD), field scanning electron microscopy (FESEM), thermogravimetric analysis (TGA), micro Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR), visible ultraviolet UVVIS spectroscopy and spectroscopy Photoelectrons (XPS). XRD and micro Raman studies showed that as the amount of Ag ranged from 0 to 10% by weight in the hydrothermal growth solution, the crystal phase gradually changed from orthorhombic WO3•0.33H2O to hexagonal WO3. The FTIR and TGA studies revealed different levels of hydration, supporting the XRD and micro Raman results. By controlling the amount of Ag in the precursor solution, platelet-like building blocks and hexagonal building blocks were obtained, highlighting the role of Ag in the hydrothermal growth of the 3D microcrystals WO3•0.33H2O and WO3. In addition, high magnification FESEM images showed that Ag nanoparticles are anchored on the surface of the WO3-Ag 3D hierarchical structures. UV-vis measurements demonstrated that the 3D hierarchical structures gradually absorbed more light when the amount of Ag was increased. In addition, the energy of the band gap was decreased when the amount of Ag increased from 0% by weight (Eg = 2.65 eV) to 10% by weight... (Complete abstract click electronic access below)
Mestre454
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FLORIO, DANIEL Z. de. "Analise de eletrolitos de ZrO sub(2):Y sub(2) O sub(3) + B sub(2) O sub(3) e de eletrodos de La sub(0,8) Sr sub(0,2) Co sub (0,8) Fe sub (0,2) O sub (3-delta) por espectroscopia de impedancia." reponame:Repositório Institucional do IPEN, 2003. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11130.

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Tese (Doutoramento)
IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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Taujale, Saru. "INTERACTIONS BETWEEN METAL OXIDES AND/OR NATURAL ORGANIC MATTER AND THEIR INFLUENCE ON THE OXIDATIVE REACTIVITY OF MANGANESE DIOXIDE." Diss., Temple University Libraries, 2015. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/347169.

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Civil Engineering
Ph.D.
Mn oxides have high redox potentials and are known to be very reactive, rendering many contaminants susceptible to degradation via oxidation. Although Mn oxides typically occur as mixtures with other metal oxides (e.g., Fe, Al, and Si oxides) and natural organic matter (NOM) in soils and aquatic environments, most studies to date have studied the reactivity of Mn oxides as a single oxide system. This study, for the first time, examined the effect of representative metal oxides (Al2O3, SiO2, TiO2, and Fe oxides) and NOM or NOM-model compounds (Aldrich humic acid (AHA), Leonardite humic acid (LHA), pyromellitic acid (PA) and alginate) on the oxidative reactivity of MnO2, as quantified by the oxidation kinetics of triclosan (a widely used phenolic antibacterial agent) as a probe compound. The study also examined the effect of soluble metal ions released from the oxide surfaces on MnO2 reactivity. In binary oxide mixtures, Al2O3 decreased the reactivity of MnO2 as a result of both heteroaggregation and complexation of soluble Al ions with MnO2. At pH 5, the surface charge of MnO2 is negative while that of Al2O3 is positive resulting in intensive heteroaggregation between the two oxides. Up to 3.15 mM of soluble Al ions were detected in the supernatant of 10 g/L of Al2O3 at pH 5.0 whereas the soluble Al concentration was 0.76 mM in the mixed Al2O3 + MnO2 system at the same pH. The lower amount of soluble Al in the latter system is the result of Al ion adsorption by MnO2. The experiments with the addition of 0.001 to 0.1 mM Al3+ to MnO2 suspension indicated the triclosan oxidation rate constant decreased from 0.24 to 0.03 h-1 due to surface complexation. Fe oxides which are also negatively charged at pH 5 inhibited the reactivity of MnO2 through heteroaggregation. The concentration of soluble Fe(III) ions ( 4 mg-TOC/L or [alginate/PA] > 10 mg/L, a lower extent of heteroaggregation was also observed due to the negatively charged surfaces for all oxides. Similar effects on aggregation and MnO2 reactivity as discussed above were observed for ternary MnO2‒Al2O3‒NOM systems. HAs, particularly at high concentrations (2.0 to 12.5 mg-C/L), alleviated the effect of soluble Al ions on MnO2 reactivity as a result of the formation of soluble Al-HA complexes. Alginate and PA, however, did not form soluble complexes with Al ions so they did not affect the effect of Al ions on MnO2 reactivity. Despite the above observations, the amount of Al ions dissolved in MnO2+Al2O3+NOM mixtures was too low, as a result of NOMs adsorption on the surface to passivate oxide dissolution, to have a major impact on MnO2 reactivity. In conclusion, this study provided, for the first time, a systematical understanding of the redox activity of MnO2 in complex model systems. With this new knowledge, the gap between single oxide systems and complex environmental systems is much narrower so that it is possible to have a more accurate prediction of the fate of contaminants in the environment.
Temple University--Theses
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Heap, Richard John. "Synthesis and characterisation of K2NiF4-related oxides and oxide fluorides." Thesis, University of Surrey, 2006. http://epubs.surrey.ac.uk/843525/.

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In the work presented here, a synthetic and structural study of K2NiF4-related oxides and oxide fluorides is reported. Several ranges of oxides and oxide fluorides have been synthesised and structurally characterised by Rietveld refinement of X-ray and Neutron diffraction data. Many of these materials are novel, and show some interesting structural, chemical and physical properties. These materials were all prepared via the standard solid state technique. Because most of the oxide fluorides presented here are not stable at high temperatures, their synthesis involved a two stage process; production of an oxide precursor, followed by low temperature fluorination of this precursor. Throughout this study, the polymer-based fluorinating agent, PVDF, was shown to be effective for the production of a number of novel oxide fluorides. In addition, during the course of the work presented here, the new fluorinating agent, (PTFE) was discovered, and also shown to be effective for this purpose.
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ARAKAKI, ALEXANDER R. "Obtencao de ceramicas de ceria - samaria - gadolinia para aplicacao como eletrolito em celulas a combustivel de oxido solido (SOFC)." reponame:Repositório Institucional do IPEN, 2010. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9506.

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Dissertacao (Mestrado)
IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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Romano, Esteban Javier. "In-situ surface science studies of the interaction between sulfur dioxide and two-dimensional palladium loaded-cerium/zirconium mixed metal oxide model catalysts." Diss., Mississippi State : Mississippi State University, 2005. http://library.msstate.edu/etd/show.asp?etd=etd-04062005-093500.

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Books on the topic "Oxides"

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Shiozaki, Y., E. Nakamura, and T. Mitsui, eds. Oxides. Berlin/Heidelberg: Springer-Verlag, 2002. http://dx.doi.org/10.1007/b53034.

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Shiozaki, Y., E. Nakamura, and T. Mitsui, eds. Oxides. Berlin/Heidelberg: Springer-Verlag, 2002. http://dx.doi.org/10.1007/b82976.

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Bruce, Duncan W., Dermot O'Hare, and Richard I. Walton, eds. Functional Oxides. Chichester, UK: John Wiley & Sons, Ltd, 2010. http://dx.doi.org/10.1002/9780470686072.

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Dionne, Gerald F. Magnetic Oxides. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-1-4419-0054-8.

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Raveau, Bernard, and Md Motin Seikh. Cobalt Oxides. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527645527.

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G, Tejuca L., and Fierro, J. L. G., 1948-, eds. Perovskite oxides. New York: Marcel Dekker, 1992.

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1945-, Graham Judith Ann, International Program on Chemical Safety., WHO Task Group on Environmental Health Criteria for Nitrogen Oxides., United Nations Environment Programme, International Labour Organisation, and World Health Organization, eds. Nitrogen oxides. 2nd ed. Geneva: World Health Organization, 1997.

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Fukina, Diana G., Artem S. Belousov, and Evgeny V. Suleimanov, eds. Pyrochlore Oxides. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-46764-6.

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Kapustin, Vladimir, Aleksandr Sigov, Illarion Li, and Vladimir Mel'nikov. Point defects in oxides and emission properties. ru: INFRA-M Academic Publishing LLC., 2022. http://dx.doi.org/10.12737/1846464.

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The monograph discusses the influence of point defects in oxides, which are the main emission component of cathodes of electrovacuum microwave devices, on their emission properties. The theory of electron emission of oxides, analytical methods for studying cathodes, methods for studying their emission properties are described. The issues of the theory and physicochemistry of nickel-oxide, metal-porous, metal-alloy and yttrium oxide cathodes, including cathodes for cold-start magnetrons, are considered in detail. It is intended for scientific and engineering workers specializing in the field of electronic materials science and electronic devices. It can also serve as a textbook useful for teachers, graduate students, undergraduates, undergraduates of the corresponding physical-technical and natural-scientific specialties.
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1954-, Tokura Y., ed. Colossal magnetoresistive oxides. Amsterdam, The Netherlands: Gordon and Breach Science Publishers, 2000.

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Book chapters on the topic "Oxides"

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Sarbas, Bärbel, and Wolfgang Töpper. "Oxides." In Mn Manganese, 144–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-662-08907-1_5.

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Ebert, L. B. "Oxides." In Inorganic Reactions and Methods, 244–45. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145326.ch138.

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Hébert, Sylvie, and Antoine Maignan. "Thermoelectric Oxides." In Functional Oxides, 203–55. Chichester, UK: John Wiley & Sons, Ltd, 2010. http://dx.doi.org/10.1002/9780470686072.ch4.

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Böttger, Ulrich. "Dielectric Properties of Polar Oxides." In Polar Oxides, 11–38. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604650.ch1.

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Rosenman, G., A. Agronin, D. Dahan, M. Shvebelman, E. Weinbrandt, M. Molotskii, and Y. Rosenwaks. "Ferroelectric Domain Breakdown: Application to Nanodomain Technology." In Polar Oxides, 189–220. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604650.ch10.

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Whatmore, Roger W. "Pyroelectric Ceramics and Thin Films: Characterization, Properties and Selection." In Polar Oxides, 221–40. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604650.ch11.

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Eng, L. M. "Nano-Inspection of Dielectric and Polarization Properties at Inner and Outer Interfaces in PZT Thin Films." In Polar Oxides, 241–50. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604650.ch12.

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Damjanovic, D. "Piezoelectric Relaxation and Nonlinearity Investigated by Optical Interferometry and Dynamic Press Technique." In Polar Oxides, 251–61. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604650.ch13.

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Beige, H., M. Diestelhorst, and Rainer Habel. "Chaotic Behavior near the Ferroelectric Phase Transition." In Polar Oxides, 263–74. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604650.ch14.

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Kleemann, Wolfgang, George A. Samara, and Jan Dec. "Relaxor Ferroelectrics - from Random Field Models to Glassy Relaxation and Domain States." In Polar Oxides, 275–301. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527604650.ch15.

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Conference papers on the topic "Oxides"

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Vollertsen, R. P., and D. J. Dumin. "Oxides - Ultra Thin Oxides." In 1998 IEEE International Integrated Reliability Workshop Final Report. IEEE, 1998. http://dx.doi.org/10.1109/irws.1998.745376.

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Resnick, Alex, Katherine Mitchell, Jungkyu Park, Hannah Maier, Eduardo B. Farfán, Tien Yee, and Christian Velasquez. "Thermal Transport in Defective Actinide Oxides." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87605.

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The present study employs a molecular dynamics simulation to explore thermal transport in various oxide nuclear fuels with defects such as uranium oxide and plutonium oxide. In particular, the effect of vacancy and substitutional defects on the thermal transport in actinide oxides are investigated. It is found that the thermal conductivities of these oxide nuclear fuels are significantly reduced by the presence of vacancy defects. In spite of their small size, oxygen vacancy is shown to alter the thermal conductivity of oxide fuels greatly; 0.1% oxygen vacancy reduces the thermal conductivity of plutonium dioxide by more than 10% when the number of unit cell in length is 100. It was shown that the missing of larger atoms alters the thermal conductivity of actinide oxides more significantly. For the case of uranium dioxide, 0.1% uranium vacancies decrease the thermal conductivity by 24.6% while the same concentration of oxygen vacancies decreases the thermal conductivity of uranium dioxide by 19.4%. However, the uranium substitutional defects are shown to have a minimal effect on the thermal conductivity of plutonium dioxide because of the small change in the atomic mass.
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Matveeva, Valentina, Aleksandrina Sulman, Olga Grebennikova, Boris Tikhonov, and Alexander Sidorov. "IMMOBILIZATION OF GLUCOSE OXIDASE ON MAGNETIC MESOPOROUS OXIDES." In 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021. STEF92 Technology, 2021. http://dx.doi.org/10.5593/sgem2021/6.1/s25.21.

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Cooper. "Oxides on SiC." In Proceedings IEEE/Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits. IEEE, 1997. http://dx.doi.org/10.1109/cornel.1997.649363.

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Levin, Gilbert V. "Oxides of Mars." In International Symposium on Optical Science and Technology, edited by Richard B. Hoover, Gilbert V. Levin, Roland R. Paepe, and Alexei Y. Rozanov. SPIE, 2002. http://dx.doi.org/10.1117/12.454752.

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"Preface: International Conference on Functional Oxides and Nanomaterials." In FUNCTIONAL OXIDES AND NANOMATERIALS: Proceedings of the International Conference on Functional Oxides and Nanomaterials. Author(s), 2017. http://dx.doi.org/10.1063/1.4982076.

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Puli, Venkata Sreenivas, Shiva Adireddy, Ravinder Elupula, Sudheer Molugu, Josh Shipman, and Douglas B. Chrisey. "Synthesis and structural properties of Ba(1-x)LaxTiO3 perovskite nanoparticles fabricated by solvothermal synthesis route." In FUNCTIONAL OXIDES AND NANOMATERIALS: Proceedings of the International Conference on Functional Oxides and Nanomaterials. Author(s), 2017. http://dx.doi.org/10.1063/1.4982077.

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Pavelyev, Vladimir S. "Micro- and nanotechnologies for photonics applications." In FUNCTIONAL OXIDES AND NANOMATERIALS: Proceedings of the International Conference on Functional Oxides and Nanomaterials. Author(s), 2017. http://dx.doi.org/10.1063/1.4982078.

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Upadhyay, R. B., K. Jalaja, and U. S. Joshi. "Structural and electrical properties of Ba0.6 Sr0.4 TiO3 thin film on LNO/Pt bottom electrode." In FUNCTIONAL OXIDES AND NANOMATERIALS: Proceedings of the International Conference on Functional Oxides and Nanomaterials. Author(s), 2017. http://dx.doi.org/10.1063/1.4982079.

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Chaudhari, Vijendra A., and Govind K. Bichile. "Identification of morphotropic phase boundary (MPB) region in (Pb1-x Lax) (Zr0.65 Ti0.35)1-0.25XO3 (PLZT) ceramics." In FUNCTIONAL OXIDES AND NANOMATERIALS: Proceedings of the International Conference on Functional Oxides and Nanomaterials. Author(s), 2017. http://dx.doi.org/10.1063/1.4982080.

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Reports on the topic "Oxides"

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Lei, Ming, and Hassel Ledbetter. Oxides and oxide superconductors :. Gaithersburg, MD: National Institute of Standards and Technology, 1991. http://dx.doi.org/10.6028/nist.ir.3980.

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Smith, Robert W., Wai-Ning Mei, Renat Sabirianov, and Lu Wang. Novel Photocatalytic Metal Oxides. Office of Scientific and Technical Information (OSTI), August 2012. http://dx.doi.org/10.2172/1234247.

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Ahmad, J., B. Majumdar, A. R. Rosenfield, S. L. Swartz, J. Cawley, E. Park, D. Hauser, and A. T. Hopper. Analytical and experimental evaluation of joining ceramic oxides to ceramic oxides and ceramic oxides to metal for advanced heat engine applications. Office of Scientific and Technical Information (OSTI), April 1992. http://dx.doi.org/10.2172/7070145.

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Jonsson, Hannes, L. Rene Corrales, Peggy Gabriel, James F. Haw, Graeme A. Henkelman, Matthew Neurock, John B. Nicholas, et al. Metal Oxides in the Environment. Office of Scientific and Technical Information (OSTI), August 2002. http://dx.doi.org/10.2172/15010318.

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Anderson, H. U., and D. M. Sparlin. Characterization of electrically conducting oxides. Office of Scientific and Technical Information (OSTI), January 1989. http://dx.doi.org/10.2172/6826035.

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Chiang, Yet-Ming. Grain boundaries in complex oxides. Office of Scientific and Technical Information (OSTI), May 1993. http://dx.doi.org/10.2172/6856279.

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Anderson, Philip W. Theory of Superconductivity in Oxides. Fort Belvoir, VA: Defense Technical Information Center, November 1991. http://dx.doi.org/10.21236/ada244726.

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Elliot R. Bernsteinq. Interactions of Neutral Vanadium Oxide & Titanium Oxide Clusters with Sufur Dioxides, Nitrogen Oxides and Water. Office of Scientific and Technical Information (OSTI), August 2006. http://dx.doi.org/10.2172/890716.

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Fedoseev, A. M., N. N. Krot, N. A. Budantseva, A. A. Bessonov, M. V. Nikonov, M. S. Grigoriev, A. Y. Garnov, V. P. Perminov, and L. N. Astafurova. Interaction of Pu(IV,VI) hydroxides/oxides with metal hydroxides/oxides in alkaline media. Office of Scientific and Technical Information (OSTI), August 1998. http://dx.doi.org/10.2172/665966.

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Ahmad, J., B. Majumdar, A. R. Rosenfield, S. L. Swartz, J. Cawley, E. Park, D. Hauser, and A. T. Hopper. Analytical and experimental evaluation of joining ceramic oxides to ceramic oxides and ceramic oxides to metal for advanced heat engine applications. Final report. Office of Scientific and Technical Information (OSTI), April 1992. http://dx.doi.org/10.2172/10175400.

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