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The effect of steam, NaCl, or KCl on potassium pentaborate was investigated at high temperature.
研究了高温下水蒸汽及氯化钠或氯化钾对五硼酸钾的影响。
The effect of bacterial manure (especially instead of 20% kcl) is the best, next is bacterial reagent.
生产上最佳配比组合是以菌肥代替20%的氧化钾,在烟草生产上效果最佳。
The mechanism of chromating film change color on KCl zinc plating are discussed from the theory and practice.
本文从理论和生产实践的角度对氯化钾镀锌钝化膜变色的机理,进行了探讨,并提出了一些具体的控制措施。
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