نتایج جستجو برای: basicity

تعداد نتایج: 1286  

Journal: :Metals 2021

In the present work, effect of basicity at lower range from 0.98 to 2.13 on dephosphorization hot metal 1623 K was studied through high-temperature laboratorial experiments. With increase 2.13, P and C contents in rapidly decrease first, then gradually increase, respectively. From scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS) diffraction (XRD) results, with basicit...

Journal: :Izvestiya Visshikh Uchebnykh Zavedenii. Chernaya Metallurgiya = Izvestiya. Ferrous Metallurgy 2012

Journal: :Reaction Kinetics and Catalysis Letters 1997

Journal: :Metallurgical and Materials Transactions B-process Metallurgy and Materials Processing Science 2022

Abstract The present study investigated the interfacial interaction between FeMn alloy and slags of different compositions basicity from 0.4 to 1.2 in a sessile drop furnace. Interfacial tension was measured, results were analyzed assess sensitivity applied methodology. measurement based on combining experiments, multiphase flow simulations OpenFOAM, equilibrium calculations FactSage, calculati...

2013
James L Gole William Laminack

Nanostructure-decorated n-type semiconductor interfaces are studied in order to develop chemical sensing with nanostructured materials. We couple the tenets of acid/base chemistry with the majority charge carriers of an extrinsic semiconductor. Nanostructured islands are deposited in a process that does not require self-assembly in order to direct a dominant electron-transduction process that f...

2014
Takanori Matsubara Isao Wataoka Hiroshi Urakawa Hidekazu Yasunaga

Catechinone hair dyestuff was produced chemically from (+)-catechin by the oxidation with O2 in basic water/alcohol mixed solution. The effects of reaction conditions such as basicity, sorts of added base, temperature, alcohol molar fraction of solvent and sorts of added alcohols on the catechinone formation were studied in order to increase the efficiency of the dyestuff production. The amount...

Journal: :Inorganic chemistry 2003
Dan M J Doble Marco Melchior Brendon O'Sullivan Carsten Siering Jide Xu Valérie C Pierre Kenneth N Raymond

The thermodynamic stabilities of the Gd(III) complexes of five hexadentate ligands, which incorporate the 2,3-dihydroxyterephthalamide and 2,3-hydroxypyridonate chelating moieties, have been determined by potentiometric and spectrophotometric titration. The ligands were chosen to span a range of basicities while maintaining a similar tripodal structural motif, facilitating a study of the effect...

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