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- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- The fusion of copper and zinc make the metal brass. 铜和锌的熔化制成黄铜。
- He knew brass is an alloy of copper and zinc. 史蒂夫在课上学会了很多。
- A yellowish alloy of copper and zinc, sometimes including small amounts of other metals, but usually 67 percent copper and 33 percent zinc. 黄铜一种黄色的铜锌合金,有时含少量其他金属,但通常为67%的铜和33%的锌。
- The fusion of copper and zinc makes the metal brass. 铜和锌的熔化制成黄铜。
- removal of copper and zinc 铜和锌的去除
- The results show that this method can attain thorough removal of copper and part removal of tellurium and selenium and the silver is still not leached in leaching process. 结果表明,该方法能达到铜的较完全脱除及碲、硒的部分脱除,银在浸出过程中基本没有损失。
- A yellowishalloy of copper and zinc, sometimes including small amounts of other metals, but usually67 percent copper and33 percent zinc. 黄铜一种黄色的铜锌合金,有时含少量其他金属,但通常为67%25的铜和33%25的锌。
- In the recovery of copper and zinc, etc. from waste hydrochloric acid by zinc powder replacement, zinc chlorinate liquor is obtained. 研究了在废盐酸溶液中用锌粉置换回收铜、铅等金属得到的氯化锌溶液,采用两步调碱和磁场作用制备碱式碳酸锌。
- Lee, D.Y., P.N.Liao, and K.W.Juang . 2001.Fraction and bioavaility of copper and zinc in four Taiwan soils amended with sewage sludges. 庄恺玮、李达源、刘代晴.;2001
- The recovery of copper and zinc in the waste catalyst from the production of methanol by pickling replacement is studied. 研究了采用酸溶置换法回收废甲醇催化剂中铜和锌的工艺,并着重对酸溶、置换、沉锌等环节进行了改进。
- KDF is a new water treatment medium with multiple functions in wastewater treatment, and is made of copper and zinc by a certain proportion. KDF是一种新型的水处理材料,由铜、锌两种金属按一定的比例组合而成,具有多种水处理功能。
- In soils with high heavy metal concentration,most of copper and zinc would distribute in exchangeable form.Most of nickel and lead distribute in reducible or oxidisable form. 镍与铅在土壤中有大部分是存在于可还原态或有机结合态,用王水消化法会高估危害性。
- The ratio of copper and zinc is little.Conclusion It may relate to treating diabetes that much zinc calcium and little ratio of copper and zinc in Toona Sinensis Roem. 结论香椿中较高的锌、钙元素含量和较低的铜/锌比值可能与其治疗糖尿病的机理有关。
- Any of several copper and zinc or tin alloys resembling gold in appearance and used to ornament furniture, moldings, architectural details, and jewelry. 铜锌锡合金外表看来象金的、由铜、锌或锡组成的合金,用于装饰家具、模具、建筑配件和珠宝。
- Copper oxide is made up of copper and oxygen. 氧化铜是由铜和氧组成的。
- Copper and zinc are fused to make brass. 铜与锌熔合后形成黄铜。
- An alloy consisting of copper and nickle. 由铜和镍构成的一种合金。
- Development of Copper and Copper Alloy Corrosion. 铜及缓蚀剂的发展。