1.
To cover the surface of(an inexpensive metal)with a layer of precious metal, such as gold.
镀用贵重金属层例如金等覆盖（非贵金属的）表面
2.
base metals drifted lower in reaction to stronger sterling.
非贵金属价格因英镑上涨而下跌。
3.
intaglio of semiprecious stones mounted other than in precious metal
凹雕,半宝石制,镶嵌在非贵金属上
4.
Effect of Recasting on the Mechanical Properties of the Non-precious Ceramic Alloy;
反复熔铸对非贵金属烤瓷合金机械性能的影响
5.
Application and research progress of gold-plating on improving non-precious metal corrosion resistance
镀金提高非贵金属抗腐蚀性的研究进展与应用
6.
The Elastic Limit and the Relevant Enclasp Force of Non-Precious Metal Wrought Wire Clasp
非贵金属缎造卡环弹性极限及其相应卡抱力
7.
Photopromoted Methoxycarbonylation with Non-precious Metal as Catalyst;
光促进下非贵金属催化的氢甲酯化反应研究
8.
Study on Non-noble Metal Catalyst for Light Paraffine Isomerization at Low Temperature;
轻质烷烃低温异构化非贵金属催化剂研究
9.
Preparation of Non-noble Metal Oxides Electrode and Research on Its Properties
非贵金属氧化物电极的制备及其性能的研究
10.
Molecular Devices for Photoinduced Hydrogen Production Based on Non-noble Metal Catalysts
基于非贵金属催化剂的光致产氢分子器件研究
11.
Preparation of Non-noble Catalysts and Its Application as a Three-way Catalyst
非贵金属催化剂的制备及三效催化性能的研究
12.
Catalytic Transfer Hydrogenation of 1-Octene with Non-precious Metal under Irradiation
光照下非贵金属催化的1-辛烯转移加氢反应
13.
Kinetic study on deoxidation of coal-bed gas by sulfur-tolerant a non-noble metal catalyst
煤层气非贵金属耐硫催化剂脱氧的动力学研究
14.
Clinical effect evaluation of two kinds of unprecious metal ceramic crown
两种非贵金属烤瓷冠的临床应用效果评价
15.
The Development of Presulfurization Technology for Non-Noble Hydrogenation Catalyst
非贵金属加氢催化剂的预硫化技术进展
16.
Toxicity of Non-precious Dental Materials on the L-929 Cell
口腔修复非贵金属材料对L-929细胞毒性的研究
17.
Combined porcelain fused to Co-Cr metal crowns fixed splinting in patients with periodontitis
非贵金属合金材料钴铬合金烤瓷联冠式固定夹板用于牙周炎修复
18.
the precious metals, ie gold,silver and platinum
贵金属（金、银、白金）