柯林斯英汉双解大词典
superphosphate /ˌsuːpəˈfɒsfeɪt/
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1.
N a mixture of the diacid calcium salt of orthophosphoric acid Ca(H2PO4)2 with calcium sulphate and small quantities of other phosphates: used as a fertilizer 过磷酸盐
双语例句
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We make superphosphate by reacting rock phosphate with sulphuric acid.
我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙。
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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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It is practically insoluble in water and only very slowly soluble in diluted acids, so it is largely converted for fertilizing purposes into superphosphate.
磷酸三钙几乎完全不溶于水，在稀酸中溶解也极为缓慢。所以，作为肥料，通常得把磷酸三钙转化为过磷酸钙。
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