• 考察了碱金属碳酸盐助剂溶剂对反应活性影响

    Moreover, the effects of alkali metal carbonate promoters and the solvents were investigated at the same time.

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  • 碱金属碳酸盐熔融硅酸盐样品方法,有关坩埚保护操作技术熔剂性质、熔融条件问题探讨

    The discussion of problem such as crucible protecting, operating technique, fluxing property and fluxing condition etc. in the method of fluxing silicate sample with alkali carbonate.

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  • 试验证明碱金属碳酸盐碱金属氢氧化物碳酸钠四氧化三铁复合剂,都表现出接近催化活性

    The test demonstrates that alkali carbonates, alkali hydroxides and a combination of sodium carbonate with ferriferrous oxide all exhibit approximate catalytic activity.

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  • 试验证明碱金属碳酸盐碱金属氢氧化物碳酸钠四氧化三铁复合剂,都表现出接近催化活性

    The test demonstrates that alkali carbonates, alkali hydroxides and a combination of sodium carbonate with ferriferrous oxide all exhibit approximate catalytic activity.

    youdao

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