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Kinetic studies of oxidation of ethylene over a TiO2 photocatalyst
Abstract The photo-assisted catalytic degradation of ethylene was studied in the tubular photoreactor packed with TiO2 pellets prepared by sol–gel method. The dependence of the reaction rate on theExpand
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The structure of monomeric and dimeric uranyl adsorption complexes on gibbsite: A combined DFT and EXAFS study
Abstract We investigated the structure of uranyl sorption complexes on gibbsite (pH 5.6–9.7) by two independent methods, density functional theory (DFT) calculations and extended X-ray absorptionExpand
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Electrostatic interaction models for ion binding to humic substances
Abstract Preferably, the description of ion binding to humic substances (HSs) is done with thermodynamic constants that do not depend on the environmental conditions. To solve this problem, modelsExpand
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A model for dissolution of CaO-SiO2-H2O gel at Ca/Si > 1
Abstract Calcium silicate hydrate (CaO-SiO2-H2O) gel is the principal hydration product of Portland cement. Experimental data show that the dissolution of CaO-SiO2-H2O (C-S-H) gel is stronglyExpand
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Hydrogen absorption-desorption properties of UCo
UCo absorbs hydrogen to form UCoH2.7 powder below 423 K at 105 Pa. Although it dehydrogenates reversibly below 423 K, two-phase mixtures of UH3 and UCo2 appear above 473 K, which can be explained onExpand
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Role of Autonomic Nervous System in the Pathogenesis of Prinzmetal's Variant Form of Angina
In ten patients with Prinzmetal's variant form of angina the effects of various drugs were assessed: subcutaneous injection of methacholine (10 mg), atropine (0.7 mg), and epinephrine (0.7 mg);Expand
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High-sensitivity analysis of cyanide by capillary electrophoresis with fluorescence detection.
A capillary electrophoretic method for a high-sensitivity analysis of cyanide has been developed. Cyanide was derivatized with 2,3-naphthalenedialdehyde and taurine to give a fluorescent product ofExpand
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Application of the NICA-Donnan model for proton, copper and uranyl binding to humic acid
Summary Humic acids are natural organic materials that play an important role in the migration of heavy metal and actinide ions in aquatic and soil systems. In the present study, the binding ofExpand
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Evaluation of the complexation behavior between humic acid and UO22+ with fluorescence spectroscopy and its mixture analysis
Summary The fluorescence of humic acid (HA) is quenched due to its complexation with UO22+ ions, leading to the evolutionary quenched intensity profile (quenching profile) as a function of UO22+Expand
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Impact of Colloid Generation on Actinide Migration in High-Level Radioactive Waste Disposal: Overview and Laboratory Analysis
Geochemical interactions of actinide colloids are of vital importance to understanding the migration of actinides in natural aquifer systems. Much effort has gone into quantifying the migration ofExpand
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