17. In this paper, the study on making cupric sulfate with high arsenic bearing copper concentrate and the recovery of gold and silver are introduced.
介绍了以高砷铜精矿为原料,进行制取硫酸铜并回收其中金银的研究。
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18. This technology USES a new catalyst to make copper oxidized by air in a dilute sulfuric acid solution and thus to prepare industrial cupric sulfate.
该工艺是使用一种新型铜蚀助剂,使紫铜在稀硫酸溶液中迅速被空气氧化而制备工业硫酸铜。
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19. As the copper cools, it shrinks. The black cupric oxide also shrinks. But they shrink at different rates, which makes the black cupric oxide flake off.
由于铜冷却,它缩小。黑色铜氧化物也缩小。但是,他们在不同的收缩率,从而使黑色铜氧化物片赶走。
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20. The absorption curves of the brightener UBAC 1a of bright acid copper plating and cupric sulfate of the bath were mensurated by experiments respectively.
通过实验分别测定了酸性镀铜光亮剂ubac1a和镀液中硫酸铜的吸收曲线。
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21. Electroless nickel copper phosphorus ternary alloy deposits were prepared by addition of cupric sulfate in electroless nickel phosphorus alloy plating bath.
在化学镀镍-磷合金液中加入硫酸铜制得镍-铜-磷三元合金。
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22. Benzaldehyde ethylene glycol acetal was directly synthesized from benzaldehyde and ethylene glycol under microwave irradiation with cupric sulfate as catalyst.
用无水硫酸铜作催化剂,在微波辐射下催化合成苯甲醛乙二醇缩醛。
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23. Cupric gluconate was synthesized by solid state reaction at room temperature. It is a new cupric food strengthening product and has been recommended by FAO/WHO.
在室温条件下,固相反应合成了FAO/WHO建议使用的铜元素食品强化剂新品种——葡萄糖酸铜。
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24. The results showed that many orchard soils had been polluted by cupric pesticides, in some cases, the contents of copper were even higher than that of official standard.
结果表明,一些果园地区由于长期使用波尔多液,土壤铜含量严重超标。
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25. Electroless copper depositing processess are controlled by the kinetics of formaldehyde oxidation reaction, which donate electron for the cathodic reduction of cupric ions.
化学镀铜反应受甲醛氧化过程动力学控制,甲醛氧化为铜离子还原提供电子。
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26. Electroless copper depositing processess are controlled by the kinetics of formaldehyde oxidation reaction, which donate electron for the cathodic reduction of cupric ions.