1·Noble metals gold, silver;
贵金属元素金、银；
2·Meanwhile, noble metals contents in catalysts was low.
同时，催化剂的贵金属含量较低。
3·The method is to recycle and purify the secondary resources of noble metals.
这是一种贵金属二次资源的利用回收和提纯方法。
4·All of these, like gold, are noble metals, meaning that they are resistant to corrosion.
所有的这些元素，像黄金，都是贵金属，这意味着它们能抗腐蚀。
5·Waste PCB has considerable economic value for its high content of noble metals and rare metals.
废旧电路板中含有大量的贵金属，具有很高的资源利用价值。
6·Then the efficiency of noble metals-doped photocatalyst was compared with that of the bare one.
考察了不同的乙烯初始浓度、不同温度、不同光源和负载贵金属对光降解效率的影响。
7·The combination of refractory and noble metals in a single layer makes etching a formidable task.
难熔金属和贵金属组合的这一层薄膜使刻蚀成为一个艰巨任务。
8·Iridium probably does not occur uncombined in nature but it is found in natural alloys with other noble metals.
自然界中可能不存在纯铱，通常和其它贵金属共生于天然合金中。
9·The Qingchengzi area in Liaoning Province is the most important metallogenic region of non-ferrous and noble metals in China.
辽东青城子地区是我国重要的有色和贵金属成矿区。
10·The effects of the doped noble metals or carbonate and the calcination temperature on the sensitivity of sensors were studied.
考察了掺杂贵金属或碳酸盐及焙烧温度对敏感元件气体灵敏度的影响。