The effects of leaching temperature, initial KOH concentration, leaching time and mass ratio of alkali to ore on the leaching rate of Nb and Ta were investigated.
探讨了反应温度、初始KOH浓度、浸出时间和碱矿比等因素对铌和钽的浸出率的影响。
The influences of time, current intensity, initial solute concentration on two-phase concentration ratio, recovery ratio, total mass flux, and electric current efficiency was discussed.
较系统地研究了时间、电流密度、料液初始浓度等因素对葡聚糖-聚乙二醇-水体系中的苯丙氨酸上下相浓度比、萃取率、总传质量以及电流效率的影响。
The results show that, there was no influence of initial concentration on mass transfer coefficient;
结果表明，起始浓度与传质系数无关；
The results show that, there was no influence of initial concentration on mass transfer coefficient;
结果表明，起始浓度与传质系数无关；
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