precious metal 基本释义 贵金属,贵重金属 网络释义 21世纪大英汉词典 英英释义 贵金属 Precious Metal(贵金属), 1999,20(4): 42. 基于183个网页-相关.
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贵重金属 ( Precious metals ):gold,silver and platinum 宝石(Precious Stones):diamonds,rubies and emeralds
基于1345个网页-相关网页
... Progressive metal前卫金属;前卫;另附前卫金属;激进金属 Precious metal贵金属;贵重金属;贵金属检测;珍贵金属 Gothic metal哥特金属;歌特金属;歌德金属;哥德金属 ...
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precious metal chemical complex 贵金属化合物
precious metal products for plating 贵金属电镀原料
rare precious metal 稀有贵金属
precious metal catalyst 贵金属催化剂
Busts of precious metal 贵重金属半身雕像
Badges of precious metal 贵重金属微章 ; 贵重金属徽章
Alloys of precious metal 贵重金属合金
Statues of precious metal 贵重金属塑像
One key challenge in the commercial development of homogeneous catalysis has always been the separation of precious metal catalyst from the product.
贵金属催化剂的分离与回收一直是均相络合催化工业化的一个关键问题。
参考来源 - 聚醚型亚磷酸酯及其在高碳烯烃氢甲酰化反应中的应用Third, IR method was used to measure the concentration of the solution, and a new calculation method for the treatment of IR-Data was developed. Catalytic complete oxidation technology and precious metal catalysts were used in this research.
对比考察了催化剂制备的浸渍—还原法和等体积浸渍法,前者因产生一定量的贵金属损失而不适于实际应用,实验采用后者制备催化剂。
参考来源 - 油烟的催化净化研究·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N-VAR A precious metal is a valuable metal such as gold or silver. 贵金属
The aircraft was carrying 265 million pounds worth of gold and diamonds, when the door flew open, sending the precious metal back to earth.
这架飞机载有价值2.65亿英镑的黄金和钻石,当舱门突然打开时,贵重金属被送回地面。
The price of the precious metal is only just below record highs.
黄金的价格仅仅只是低于历史最高位。
No other country has that much precious metal in their foreign exchange reserves.
没有其他国家像葡萄牙那样在外汇储备中拥有如此多的黄金。
Gold ornaments are a traditional wedding present to brides and a gift of the precious metal during Hindu religious festivals augurs good fortune.
VOA: standard.2009.09.19
In the big cities, the traditional affinity to the precious metal is waning, as trends change.
VOA: standard.2009.09.19
India has snapped up nearly half the precious metal the IMF is selling to shore up its finances and increase lending to developing countries.
VOA: standard.2009.11.06
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