The preparation of zinc sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated.
用经高温煅烧后闪锌矿石与稀硫酸
备七水硫酸锌和五水硫酸铜。
The preparation of zinc sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated.
用经高温煅烧后闪锌矿石与稀硫酸
备七水硫酸锌和五水硫酸铜。
Freshwater and suitable concentration of formalin, copper sulfate and sodium salinomycin were the better way to prevent and cure Cryptocaryoniosis.
在药物防治刺激隐核虫研究中发现淡水和合适浓度
福尔
林、硫酸铜和盐霉素钠是比较好
防治办法。
Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.
铁件在由硫酸铜、硫酸亚锡、络合剂、稳定剂等组成中,可以置换镀覆不同锡质量分数
铜- 锡合金镀层,其工艺可替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。
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