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- Based on kinetic principle and the Iaw of inputand output, we have studied the contarnination factors of agri-cultural Iands around a Iead and zinc metallurgical plant. 运用动力学原理和投入产出法则研究了浙江省某铅锌冶炼厂周围农业土壤中镉的污染因素。
- 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。
- An alloy composed of lead, tin, and zinc. 铅锡锌化合物由铅、锡和锌组成的一种合金
- The fusion of copper and zinc makes the metal brass. 铜和锌的熔化制成黄铜。
- Iead and zinc 黄沙坪
- 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。
- Copper and zinc are fused to make brass. 铜与锌熔合后形成黄铜。
- Lead, iron, copper, tin, and zinc are base metals. 铅、铁、铜、锡和锌都是基本金属。
- 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。
- Chelated minerals; magnesium, calcium, iron and zinc. 螫合化矿物质、镁、钙、铁和锌。
- Intake of calcium, iron, and zinc also tends to be low. 但钙、铁和锌的摄入量往往很低。
- Ragworm jaws are made of a mixture of protein and zinc ions. 沙蚕的颌齿是由蛋白质跟锌离子结合而成。
- 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。
- Study on Bioenrichment to Selenium and Zinc of the larva of Tenebrio molitor L. 黄粉虫幼虫对硒的耐受性及富集能力。
- Hidden underground is a wealth of gold, silver, copper, lead and zinc. 地下埋藏着大量的金、银、铜、铅和锌。
- Y-bearing with zinc coated bearing rings and zinc coated locking collar. Y-轴承,带镀锌轴承圈和镀锌锁定环。
- Improvement of production of barium hydroxide and zinc chloride etc. 氢氧化钡、氯化锌等产品的生产工艺改进。
- Lead and zinc tailing discards caused the severe harm to the environment. 由于铅锌尾矿长期露天放置会对环境产生危害。
