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反应制备七水硫酸锌和五水硫酸铜。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无水硫酸铜催化下,利用微波辐射技术快速合成氯乙酸十六酯法影响反应收率因素。

Freshwater and suitable concentration of formalin, copper sulfate and sodium salinomycin were the better way to prevent and cure Cryptocaryoniosis.

在药物防治刺隐核虫研究中发现淡水和合适浓尔马林、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、稳定剂等组成溶液中,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。

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应制备七水硫酸锌和五水硫酸铜。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无水硫酸铜的催化下,利用微波辐射技术快速成氯乙酸十六酯的方法及应收率的因素。

Freshwater and suitable concentration of formalin, copper sulfate and sodium salinomycin were the better way to prevent and cure Cryptocaryoniosis.

在药物防治刺隐核虫的研究中发现淡水和度的福尔马林、硫酸铜和盐霉素钠是比较好的防治办法。

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。

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酸反应制备七酸锌和酸铜。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无酸铜的催化下,利用微波辐射技术快速合成氯乙酸十六酯的方法及影响反应收率的因素。

Freshwater and suitable concentration of formalin, copper sulfate and sodium salinomycin were the better way to prevent and cure Cryptocaryoniosis.

在药物防治刺隐核虫的研究中发现淡和合适浓度的福尔马林、酸铜和盐霉素钠是比较好的防治办法。

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.

铁件在由酸铜、酸亚锡、络合、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,是实现电镀清洁生产措施之一。

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备七水硫酸锌和五水硫酸铜。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无水硫酸铜的催化下,利用微波辐射技术快速合成氯乙酸十六酯的方法及影响收率的因素。

Freshwater and suitable concentration of formalin, copper sulfate and sodium salinomycin were the better way to prevent and cure Cryptocaryoniosis.

在药物防治刺隐核虫的研究中发现淡水和合适浓度的福尔马林、硫酸铜和盐霉素钠是比较好的防治办法。

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,换镀覆不同锡质量分数的铜- 锡合金镀层,其工艺替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。

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七水硫酸锌和五水硫酸铜。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无水硫酸铜的催化下,利用微波辐射技术快速合成氯乙酸十六酯的方法及影响反收率的因素。

Freshwater and suitable concentration of formalin, copper sulfate and sodium salinomycin were the better way to prevent and cure Cryptocaryoniosis.

在药物防治刺隐核虫的研究发现淡水和合适浓度的福尔马林、硫酸铜和盐霉素钠是比较好的防治办法。

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,置换镀覆不同锡质量分数的铜- 锡合金镀层,其工艺替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。

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水硫酸锌和五水硫酸铜。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无水硫酸铜的催下,利用微波辐射技术快速合成氯乙酸十六酯的方法及影响反应收率的因素。

Freshwater and suitable concentration of formalin, copper sulfate and sodium salinomycin were the better way to prevent and cure Cryptocaryoniosis.

在药防治刺隐核虫的研究中发现淡水和合适浓度的福尔马林、硫酸铜和盐霉素钠是比较好的防治办法。

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,其工艺可替代氰镀铜,消除氰污染,是实现电镀清洁生产措施之一。

The preparation of zinc sulfate heptahydrate and copper sulfate pentahydrate from calcined zincblende was investigated.

高温煅烧后的闪锌矿石与稀硫酸反应制备七水硫酸锌和五水硫酸铜。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无水硫酸铜的催化下,利微波辐射技术快速合成氯乙酸十六酯的方法及影响反应收率的因素。

Freshwater and suitable concentration of formalin, copper sulfate and sodium salinomycin were the better way to prevent and cure Cryptocaryoniosis.

在药物防治刺隐核虫的研究中发现淡水和合适浓度的福尔马林、硫酸铜和盐霉素钠是比较好的防治办法。

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,可以置换覆不同锡质量分数的铜- 锡合,其工艺可替代氰化物预铜,消除氰化物污染,是实现电清洁生产措施之一。

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反应制备七水锌和五水铜。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无水铜的催化下,利用微波辐射技术快速合成氯乙十六酯的方法及影响反应收率的因素。

Freshwater and suitable concentration of formalin, copper sulfate and sodium salinomycin were the better way to prevent and cure Cryptocaryoniosis.

在药物防治刺隐核虫的研究中发现淡水和合适浓度的福尔马林、铜和盐霉素钠是比较好的防治办法。

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.

铁件在由铜、亚锡、络合剂、稳定剂等组成的溶液中,可以置不同锡质量分数的铜- 锡合金层,其工艺可替代氰化物预铜,消除氰化物污染,是实现电清洁生产措施之一。

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水硫酸锌和五水硫酸铜。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无水硫酸铜的催化下,利用微波辐射技术快速合成氯乙酸十六酯的方法及影响反应收率的因素。

Freshwater and suitable concentration of formalin, copper sulfate and sodium salinomycin were the better way to prevent and cure Cryptocaryoniosis.

在药物防治刺隐核虫的研究中发现淡水和合适浓度的福尔马林、硫酸铜和盐霉素钠是比较好的防治办法。

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,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。