selective deposition

Commercial scale test of selective precipitation method for Mo removal from tungstate solution;

选择性沉淀法从钨酸盐溶液中除钼的工业试验

Recovery methods of Palladium from waste catalysts with selective precipitation was discussed in this papers The optimum preparation process was obtained Recovery product quality of Palladium powder correspond the state standard The result shows that the process is a best technique, simple and economical for recovery of Palladium from waste catalyst

提出了选择性沉淀法从废钯炭催化剂中回收金属钯的方法 ,给出了最佳制备工艺参数 ,回收制备的金属钯粉达到国家标准要求 ,工艺简单 ,金属回收率高 ,成本低 ,经济效益显

According to the difference between tungsten compound and compounds of molybdenum, arsenic, antimony and tin, a novel process for selective precipitation of Mo, As, Sb and Sn from tungstate solution has been developed by means of the precipitating agent M 115 a , with the (NH 4) 2WO 4 solution containing WO 3, Mo, As, Sn and Sb of ρ WO 3 , ρ Mo , ρ As , ρ Sn and ρ Sb were 210, 0.

应用合成的改进型试剂M115 a,研究了从钨酸盐溶液中选择性沉淀除钼、砷、锡、锑等杂质的新工艺。

Prove some Fatoutype results for the set of integrable selectors.

给出了可积选择集列的几个Ｆａｔｏｕ型引理，证明了可积选择算子与Ａｕｍａｎｎ积分算子在几种收敛意义下保持连续性。