英语词典
Potassium dihydrogen phosphate was prepared by the reaction of ordinary superphosphate with potassium sulfate, and effecting factors were investigated.
研究了以普钙和硫酸钾为原料制备磷酸二氢钾的工艺条件。
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a large scale enterprise producing sodium bicarbonate, ordinary superphosphate , sulfuric acid, humic acid, synthetic ammonia, etc.
生产碳酸氢铵,过磷酸钙,复合肥,硫酸,腐植酸,合成氨的大型企业。
a quick determination on measuring the holophosphate content in ordinary superphosphate phosphate fertilizer
普通过磷酸钙磷肥中全磷的快速测定
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