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Keywords precious metals;analysis;DBC chlorophos phonazo;cerium; 贵金属合金;分析;DBC-偶氮氯膦;光度法;铈;
Keywords Precious metals;Luminol;Luminescence analysis;Advancement; 贵金属;鲁米诺;发光分析;进展;
Keywords precious metals;suppoted thin film catalyser;computer simulation; 贵金属;载体薄膜催化剂;计算机模拟;
Keywords precious metals;secondary resource;recovery;innoxious treatment; 贵金属;二次资源;回收利用;无害化处置;
Keywords Precious metal ceramic crown;Ni-Cr metal ceramic crown;Ceramic brige; 贵金属烤瓷冠;镍铬合金烤瓷冠;烤瓷桥;
Keywords Precious metals;Stannous iodide;Enrichment;Separation;Polyurethane foam.; 贵金属;碘化亚锡;富集;分离;泡沫塑料;
Keywords Precious metal Pyrometallurgy electron-waste Hydrometallurgy Bacteria absorption; 贵金属;电子废料;火法冶金;湿法冶金;细菌吸附;
My father deals in precious metals. 我父亲在经营贵金属的生意。
Keywords precious metal deposit;nonferrous metal deposit;ore-forming process;distribut ive regulation in time;distributive regulation in space; 贵金属矿床;有色金属矿床;成矿作用;时间分布规律;空间分布规律;
Silver: quiet. Value fluctuate lower in line with other precious metals on both bullion and futures market. 银：清淡。由于受最近交易低潮的影响，银和其他贵重金属一样，期货和现货市场的数量下降。
Keywords Precious metal deposit Hercynian igneous rocks Baishan Re（Mo） deposit Liushashan Au（Mo） deposit Inner Mongolia-Gansu-Xinjiang juncture （Beishan） area; 贵重金属矿床;海西期火成岩;白山铼（钼）矿床;流沙山金（钼）矿床;蒙-甘-新相邻（北山）地区;
Kunming Precious Metal Catalyst Co., Ltd. 昆明贵研催化剂有限责任公司。
DUNHILL Precious Metal Pipe Adornment Care Cloth. 烟斗布也是它的精美烟具之一。
A costly ornament of precious metal or gems. 金银首饰珍贵的金属或宝石制成的昂贵装饰品
A rectangular block of a precious metal. 贵重金属的长方块
Ornaments, such as bracelets, necklaces, or rings, made of precious metals set with gems or imitation gems. 珠宝由嵌有宝石或仿制宝石的珍贵金属制成的装饰品，如手镯、项链或戒指
Whatever sent the precious metals out of a country impoverished it. 而将贵金属从一个国家运出则会使其变穷。
Kitco - Gold Precious Metals - Buy Gold Sell Gold, Silver, ... 黄金价格;黄金价格图;黄金走势图;黄金伦敦定价;黄金...
We are required to learn to hammer out beautiful dishes in precious metals. 要求我们学会用贵重金属敲成漂亮的盘子。
Whatever sending the precious metals out of a country will impoverish it. 将贵金属从一个国家运出都会使其变穷。