نتایج جستجو برای: alkaline solution

تعداد نتایج: 503811  

Journal: :Journal of The Surface Finishing Society of Japan 2003

Journal: :Cellulose 2021

Lignocellulose biomass effectively produces chemicals and fuels, which are of importance for the establishment a sustainable society. The conversion cellulose, main component biomass, into significant precursors that can be further converted to different or fuels under gentle conditions is promising route. Organic acids such as acetic, glycolic formic acid examples. A novel method produce impor...

Journal: :Electrochimica Acta 2021

Membrane-based polybenzimidazole (mPBI) emerges as an exciting electrolyte membrane for alkaline fuel cells and water electrolyzers due to its useful ion conductivity range after being doped with aqueous KOH. However, the polymer degradation at highly concentrations limits practical use. Herein, density functional theory (DFT) calculations are used study mechanism of mPBI molecule in solution. ...

Journal: :Tetsu To Hagane-journal of The Iron and Steel Institute of Japan 2022

Zn–Ni alloys were electrodeposited on a Cu electrode at 10–5000 A·m−2 and 5 × 104 C·m−2 in an unagitated zincate solution 293, 313, 333 K. The effect of temperature the electrodeposition behavior from alkaline solutions was investigated. transition current density which deposition shifted normal to anomalous codeposition almost similar 293 313 K but increased due enhanced hydrogen evolution Ni ...

2011
Mahdi Kazempour Eric Sundstrom Vladimir Alvarado

Injection of alkaline solutions in reservoir leads to mineral dissolution and precipitation, possibly resulting in changes in permeability and porosity, and consequently altering solution pH. Accurate prediction of pH, alkali consumption and aqueous chemistry changes are required to design suitable chemical blends in alkaline-polymer (AP) or alkaline-surfactant-polymer (ASP) flooding. Excessive...

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