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.

研了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。

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

药物防治刺隐核虫的研现淡水和合适浓度的福尔马林、硫酸铜和盐霉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.

铁件由硫酸铜、硫酸亚锡、络合剂、稳定剂等组成的溶液,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反制备七硫酸锌五硫酸铜。

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合适浓度的福尔马林、硫酸铜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反应制备七水锌和五水。

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

研究了在无水的催化下,利用微波辐射技术快速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适浓度的福尔马林、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、亚锡、络、定等组成的溶液中,可以置换镀覆不同锡质量分数的- 锡金镀层,其工艺可替代氰化物预镀,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.

用经高温煅烧后闪锌矿石与稀硫酸反应制备七水硫酸锌和五水硫酸。

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

研究了无水硫酸化下,利用微波辐射技术快速合成氯乙酸十六酯方法及影响反应收率因素。

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

药物防治刺隐核虫研究中发现淡水和合适浓度福尔马林、硫酸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.

铁件硫酸、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- 锡合金镀层,其工艺可替代氰化物预镀,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.

用经高温煅烧后闪锌矿石与稀酸反应制备酸锌和五酸铜。

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

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

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和合适浓度福尔马林、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.

铁件在由酸铜、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。

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反应制备七锌和五铜。

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、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反应制备七锌和五。

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

研究了在无的催化下,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和合适浓度的福尔马林、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、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- 锡合金镀层,其工艺可替代氰化物预镀,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,以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.

用经高后闪锌矿石与稀硫酸反应制备七水硫酸锌和五水硫酸。

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

研究了在无水硫酸催化下,利用微波辐射技术快速合成氯乙酸十六酯方法及影响反应收率因素。

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度福尔马林、硫酸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、硫酸亚、络合剂、稳定剂等组成溶液中,可以置换镀覆不同质量分数- 合金镀层,其工艺可替代氰化物预镀,消除氰化物污染,是实现电镀清洁生产措施之一。