为从高硅含锗物料中提取锗，进行了直接蒸馏、加碱浸出、加碱焙烧和HF浸出试验。

Direct distillation, alkaline leaching, alkaline calcinations and HF leaching test were conducted to extract germanium from high silicon material containing germanium.

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以80%乙醇浸出物得率、盐酸水苏碱含量为指标考察益母草与川芎水煎提取液的醇沉条件。

And the condition of alcohol sedimentation were optimized with the extraction rate of 80% alcohol and contents of starchy trine hydrochloride.

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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 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.

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