本发明是无氨硫代硫酸盐溶液从矿石中浸出银的工艺。
The invention relates to a technology for leaching silver from ores with ammonia free thiosulfate solution.
研究了中性钠盐碱矿渣水泥在酸性溶液、硫酸盐溶液和海水中的抗化学侵蚀性能。
The resistance to chemical attack of NSAAS cement in acid solution, sulfate solution, sea water was studied.
该文实验研究了不同酸度条件下的焦亚硫酸盐溶液的染色效果，并测量了这些溶液的溶液电位随存放时间的变化。
This paper researches experimentally the colour results of metabisulfite with various acid valve, and measuring the relation between solution electric potential and store time.
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