1.
" Assaying In chemical analysis, the process of determining proportions of metal, particularly precious metal, in ores and metallurgical products."
试金法: 测定矿石和冶金产品中的金属含量,特别是贵金属含量的方法。
2.
Choi steel manufacturing sales metal materials( excluding precious metals) marketing.
彩钢板制造销售，金属材料（含贵金属）售。
3.
watch bracelet of pearls (natural or cultured)[containing precious metal only as a minor constituent (e.g., gold fasteners)]
珍珠（天然珍珠或人工养殖珍珠）表镯[含有微量贵金属（例如金扣）]
4.
Because of the high cost of the precious metal ingredients, researchers are searching for ways to lower the platinum content.
由于贵金属成份的成本不斐，研究人员正绞尽脑汁降低铂的含量。
5.
Test methods of precious metal pastes used for thick film microelectronics--Determination of solids content
GB/T17473.1-1998厚膜微电子技术用贵金属浆料测试方法固体含量测定
6.
Study on the Correlativity of Heavy Metals Concentration in Cattle and Rearing Environment in Guizhou;
贵州黄牛体内重金属含量与放牧环境关系的研究
7.
Contents of Heavy Metals in Some Vegetables and Their Potential Risks to Human Health in Guiyang and Wanshan Areas
贵阳和万山地区部分蔬菜中的重金属含量及其健康风险
8.
Heavy metal concentrations and pollution assessment of limestone forests in Huaxi district,Guiyang City
贵阳花溪区石灰土林地土壤重金属含量特征及其污染评价
9.
lubricating oil metal test
润滑油金属含量试验
10.
method for determination of metals in flue gas
废气中金属含量分析法
11.
metal ratio analyzer
金属相对含量分析器
12.
the precious metals, ie gold,silver and platinum
贵金属（金、银、白金）
13.
jewellery (excl. watches), unfinished or incomplete, containing precious metal or metal clad with precious metal to an extent exceeding minor constituents
半成品的或未完工的珠宝首饰（不包括表,所含贵金属或包有贵金属的金属不再属于次要成份）
14.
jewellery arts (excl. watch cases) containing precious metal or metal clad with precious metal to an extent exceeding minor constituents
珠宝首饰配件（不包括表盒）所含贵金属或包有贵金属的金属不再属于次要成份
15.
④Ample N P K, ⑤ High heavy mental;
④含有丰富的氮磷钾； ⑤重金属含量较高；
16.
and the marking of precious metals.
度量衡方面的准则及贵重金属的标志。
17.
Application of Determination of Trace Precious Metals by ICP-MS
ICP-MS法在测定痕量贵金属中的应用
18.
Treating Waste Liquid with Precious Metal Ions with Magnetic Field-Magnetotactic Bacteria;
磁场—趋磁细菌处理含贵金属离子废液的研究