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- Most coins are made of an alloy of copper and nickel. 大多数硬币是由铜和镍的合金制成的。
- Brazing of copper and nickel under vacuum or reducing protective atmosphere. 铜和镍的真空或还原保护气氛钎焊。
- The fracture zone carries copper and nickel near the layered intrusion but only copper at some distance from it. 裂隙带在接近层状侵入体处含有铜镍,而在距侵入体较远处,只含有铜。
- Stocks are low by historical standards, but have not run out in the way that copper and nickel stocks have done. 存货低于历史标准,但是还没有像铜和镍的存货一样消耗殆尽。
- Conductive Poly(ethylene terephthalate) (PET) fabrics were prepared by electroless copper and nickel plating. 摘要采用化学镀的方法制备镀铜和镍导电涤纶织物。
- The effects of the transition metals copper and nickel on oxygen precipitation in Czochralski silicon under a rapid thermal process are investigated. 摘要研究了快速热处理工艺下直拉单晶硅中过渡族金属铜、镍对内吸杂工艺中氧沉淀形成规律的影响。
- The supported copper and nickel catalysts are applied to preparation of purified octanol 2 by using hydrogenation reduction. 以负载型铜、镍催化剂为加氢催化剂,液相加氢还原粗仲辛醇中的2辛酮制备高纯度仲辛醇。
- Holmgren G G S,Meyer M W,Cahney R L,et al.Cadmium,lead,zinc,copper and nickel in agricultural soils of the united states of america[J].Environ.Quality,1993(22):335. 徐加宽;杨连新;王志强;等.;土壤铜含量对水稻生长发育和产量形成的影响[J]
- The active form of second term magma is intruding from many centers with developed liquation and differentiation for deep magma together with favourable metallogenic condition for copper and nickel. 第二期岩浆活动为多中心式侵入,具有良好的深部岩浆熔离分异作用和铜镍成矿的地质条件。
- The paper studied the technology of recycling the copper and nickel from the electroplating sludge,determinated the best technology condition of extracting the separated copper and nickel. 本文研究了从铜镍电镀污泥中回收铜和镍的工艺,确定了萃取分离铜和镍的最佳工艺条件。
- Copper and gold are both metals. 铜和金都是金属。
- Gold, silver, nickel, zinc, copper and iron. 金、银、镍、锌、铜及铁。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- a silver-white alloy containing copper and zinc and nickel. 一种银白色合金,含铜、锌、镍。
- The fusion of copper and zinc makes the metal brass. 铜和锌的熔化制成黄铜。
- a silver-white alloy containing copper and zinc and nickel 一种银白色合金,含铜、锌、镍
- AAS DETERMINATION OF TRACE LEAD, CADMIUM, COPPER AND NICKEL BY ENRI 新型鳌合纤维素富集原子吸收测定痕量的铅、镉、铜和镍
- Keywords Jinchuan;copper and nickel ore;mineral process;mineralogy; 金川;铜镍矿石;选矿;工艺矿物学;