Showing 2,481 - 2,500 results of 6,485 for search '"oxide"', query time: 0.05s Refine Results
  1. 2481
  2. 2482
  3. 2483

    Epoxidation of cyclopentene by a low cost and environmentally friendly bicarbonate/peroxide/manganese system by Beatriz Hincapie, Sandra M Llano, Hector F Garces, Diego Espinal, Steven L Suib, Luis J Garces

    Published 2018-02-01
    “…Effects of parameters such as type and amount of solvent, ratio of hydrogen peroxide and manganese sulfate to cyclopentene, presence of additives, and reaction time and temperature on the selectivity to cyclopentene oxide were evaluated. Gas chromatography was used to quantify residual cyclopentene and produced cyclopentene oxide using the internal standard method. …”
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    Article
  4. 2484

    Determination of Optimum Quantity of Cassava Peel Ash (CPA) as Partial Replacement of Cement for Maximum Concrete Strength and its Cost Analysis. by Nasasira, Johnson

    Published 2024
    “…The cassava peels were sundried and burnt into ash in the furnace at 700-800oc and their chemical and physical properties were studied using the X-ray Fluorescence method which was found to contain elements such as calcium dioxide 85.677%, iron (iii) oxide 5.662%, silicon dioxide 3.517%, potassium oxide 1.731%, aluminum oxide 1.515% manganese(ii) oxide 0.803%, phosphorous pent oxide 0.456%, titanium oxide 0.310%, chromium (ii) oxide 0.143%, and magnesium oxide 0.109%. blended pastes containing OPC and 45 cubes were caster with cassava peel ash (CPA) at different percentage replacement, 0%, 5%, 10%, 15%, and 20% were investigated for consistency, initial and final setting time for the blended paste CPA- OPC pastes and dry density of cubes and compressive strength of grade 25 (C25) Concrete. …”
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    Thesis
  5. 2485

    Funicular Myelosis in a Butcher: It Was the Cream Cans by Fabian Wolpert, Krisztina Baráth, Janis Brakowski, Roland Renzel, Michael Linnebank, Andreas R. Gantenbein

    Published 2015-01-01
    “…Funicular myelosis is a known consequence of exposure to nitrous oxide. Nevertheless, there are only a few clinical trials assessing its long-term effects and there is no literature about the role of nutritional vitamin B12 supplementation in the context of nitrous oxide abuse. …”
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    Article
  6. 2486

    Corrosion of Low-Alloy Steel in Ethanolamine Steam Generator Chemistry—The Effect of Temperature and Flow Rate by Iva Betova, Martin Bojinov, Vasil Karastoyanov

    Published 2025-01-01
    “…Quantum chemical calculations indicate the adsorption orientation of ethanolamine on the oxide surface. Interpretation of impedance spectra with a kinetic approach based on the mixed-conduction model enabled estimating the rate constants of oxidation at the alloy–oxide interface, as well as charge transfer and ionic transport resistances of the corrosion process. …”
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    Article
  7. 2487

    Synthesis, Characterization, and Applications of ZnO, Ag2O, and ZnO/Ag2O Nanocomposites: A Review by Abel Saka, Leta Tesfaye, Krishnaraj Ramaswamy

    Published 2024-01-01
    “…Specifically, it focuses on the synthesis, characterization, and applications of single metal oxide nanoparticles (NPs), such as zinc oxide (ZnO) and silver oxide (Ag2O), as well as binary or composite metal oxides like ZnO/Ag2O nanocomposites. …”
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    Article
  8. 2488

    Growth and Etch Rate Study of Low Temperature Anodic Silicon Dioxide Thin Films by Akarapu Ashok, Prem Pal

    Published 2014-01-01
    “…Several techniques with different processing environments have been investigated to deposit silicon dioxide films at temperatures down to room temperature. Anodic oxidation of silicon is one of the low temperature processes to grow oxide films even below room temperature. …”
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    Article
  9. 2489

    PROBLEMS OF METALLOGRAPHIC DEFINITION OF OXYGEN QUANTITY IN THE DEFORMED COPPER by A. G. Anisovich

    Published 2014-01-01
    “…Value of 1,53 g/cm3 is determined for cuprous oxide density.…”
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    Article
  10. 2490

    Assessing the Suitability of Snail-Shell Powder as a Partial Replacement of Cement in Concrete Production. by Mukundane, Ivan

    Published 2024
    “…Their pozzolanic composition was done and found to contain elements such as Calcium-Oxide 85.413%m/m, Iron (iii) oxide 0.406%m/m, Silicon dioxide 8.561%m/m, Potassium oxide 0.212%m/m, Aluminum oxide as 4.250%m/m, Manganese(ii) oxide 0.308%m/m, Phosphorous pent oxide 0.002%m/m, Titanium oxide 0.015%m/m. …”
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    Thesis
  11. 2491

    Advances in reactive air wetting and brazing of engineering ceramics by Mingfen Zhang, Shunjian Xu, Fabrizio Valenza, Xiangzhao Zhang, Guiwu Liu, Guanjun Qiao

    Published 2025-01-01
    “…Finally, some helpful conclusions are drawn after summarizing the RAB of oxide ceramics. The prospects for RAB of SiC and high-entropy oxide ceramics are proposed after summarizing the RAB of oxide and nonoxide ceramics, and several aspects are proposed for promoting the development and application of RAB technology.…”
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  12. 2492

    Corrosion Behavior of Alloy C-276 in Supercritical Water by Hong Shi, Zhigang Gao, Zhongbiao Fan, Yuanyuan Ding, Yanxin Qiao, Zhiyuan Zhu

    Published 2018-01-01
    “…Tiny microcracks can also be found in the oxide scale if exposed for longer time. Meanwhile, higher temperature promotes oxide rate and results in thermal stress in the oxide film.…”
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  13. 2493
  14. 2494

    Examining the optimum concentrations of CuO, ZnO, TiO2, and GO in porous asphalt for urban surface runoff using response surface Methodology by Ramtin Sobhkhiz Foumani, Esmaeil Fatehifar, Taher Rajaee

    Published 2025-01-01
    “…Graphene oxide and titanium oxide asphalts reduced the levels of specific pollutants: phosphate, lead, zinc, nitrate, and TSS.…”
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    Article
  15. 2495

    Electrochemical Tests to Evaluate the Stability of the Anodic Films on Dental Implants by C. E. B. Marino, L. H. Mascaro

    Published 2011-01-01
    “…When the biomaterials were submitted to open-circuit conditions, in artificial saliva, the worst corrosion resistance was observed in dental implant (Ti-grade 2), according to the open-circuit potential values and reconstruction rate analysis of these oxide films. The XPS spectra revealed TiO2 oxide as the main phase in the barrier oxide film coating the dental implant.…”
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    Article
  16. 2496

    Coal to graphene-based materials: Evaluating coal as a potential feedstock to pave way for large scale production of graphene and related materials, a review by Boitshepho Ivy Marakalala, Victor K. Manisa, Tumeletso Lekgoba, Freeman Ntuli, Vepika Kandjou

    Published 2025-04-01
    “…The paper explores the prospective of coal as a raw material for graphene and graphene oxide production, by evaluating the quality of the graphene and graphene oxide produced in terms of the aspect ratio, singularity of the sheets and the general physicochemical characteristics. …”
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  17. 2497

    Features of Plasma Electrolytic Formation of Manganese- and Cobalt-Containing Composites on Aluminum Alloys by Ann V. Karakurkchi, Nykolay D. Sakhnenko, Maryna V. Ved’, Ihor S. Luhovskyi, Hryhoriy A. Drobakha, Maryna V. Mayba

    Published 2019-01-01
    “…Plasma electrolytic oxidizing (PEO) in these electrolytes in the range of current densities 5–20 A/dm2 allows to obtain mixed oxide coatings which contained both aluminum oxide matrix and doping metal oxides Al2O3·MnOx and Al2O3·CoOy. …”
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    Article
  18. 2498

    Effects of Hydrothermal Treatment and Template Removal on the Adsorption and Structural Properties of SBA-16 Mesoporous Silica by Pasquale F. Fulvio, Bogna E. Grabicka, Rafal M. Grudzien, Mietek Jaroniec

    Published 2007-07-01
    “…These samples were synthesized using the poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) triblock copolymer Pluronic F127 as the structure-directing agent and tetraethyl orthosilicate as the silica source in the presence of hydrochloric acid (low concentration) and sodium chloride under various hydrothermal treatment conditions. …”
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  19. 2499

    Thermodynamic Feasibility of Hydrogen-Rich Gas Production Supported by Iron Based Chemical Looping Process by Grzegorz Słowiński, Adam Smoliński

    Published 2016-01-01
    “…In the paper the thermodynamic analysis of the enhancement of hydrogen production in iron based chemical looping process is presented. In this method, iron oxide is first reduced to iron with a reducing agent, such as carbon oxide, hydrogen, or mixture of both gases (synthesis gas), and then, in the inverse reaction with steam, it is regenerated to iron oxide, and pure stream of hydrogen is produced.…”
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    Article
  20. 2500

    Separation of Electrolytic Reduction Product from Stainless Steel Wire Mesh Cathode Basket via Salt Draining and Reuse of the Cathode Basket by Eun-Young Choi, Jeong Lee, Dong Hyun Heo, Jin-Mok Hur

    Published 2017-01-01
    “…First, the OR run of a simulated oxide fuel (0.6 kg/batch) was conducted in a molten Li2O–LiCl salt electrolyte at 650°C. …”
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