double decomposition method 循环复分解法 ; 复分解转化法 ; 复分解法 double decomposition and circulation 复分解循环法 ; 复分解循环法 .
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Preparation of potassium dihydrogen phosphate (KDP) by liquid-liquid inhomogeneous double decomposition method was studied in this paper.
本文研究了液液非均相复分解法制备磷酸二氢钾的过程。
Compared with that of traditional technology of double decomposition method, the productivity of this technology was raised and the consumption of energy and water reduced greatly.
与传统的复分解法工艺相比，该工艺生产效率明显提高，能耗、水耗显著下降。
This article USES the direct double decomposition method to synthesis zinc gluconate, through adding ethyl alcohol to reduce its watery solution solubility and to obtain its crystal.
采用直接复分解法合成葡萄糖酸锌，通过滴加乙醇降低它在水溶液中的溶解度从而得到它的晶体。
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