The preparation of zinc sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated.
用经高温煅烧后的闪锌矿石与稀硫酸反应制备七硫酸锌
五
硫酸铜。
The preparation of zinc sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated.
用经高温煅烧后的闪锌矿石与稀硫酸反应制备七硫酸锌
五
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的研究中发现合适浓度的福尔
林、硫酸铜
盐霉
比较好的防治办法。
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、稳定剂等组成的溶液中,可以置换镀覆不同锡质量分数的铜- 锡合金镀层,其工艺可替代氰化物预镀铜,消除氰化物污染,实现电镀清洁生产措施之一。
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