贵金属

• Precious metal distilled equipment
  贵金属提取设备
• Web - based virtual laboratory in engineering materials and formed machining
  微乳液在贵金属纳米材料制备中的应用
• Provision of permissible errors for measurement of precious metals adornment mass
  贵金属饰品质量测量允差的规定
• Pearls , precious stones and metals , imitation jewellery , and coins
  珍珠、宝石、贵金属及其制品；仿首饰；铸币
• Investing in precious metals is going main stream as an asset class
  投资贵金属市场已经成为资产投资的主要潮流。
• Geometric size measuring methods of precious metals and their alloy materials
  贵金属及其合金材料几何尺寸测量方法
• Equation of state for gold
  贵金属金的状态方程
• Commodity : au metal ( gold bullion ) bar form 12 . 5kg gld std
  商品：黄金贵金属(金砖)条状12 。 5公斤伦敦合格交收标准。
• Gold is a precious metal
  金子是一种贵金属。
• Hydrogen and co have both been used for estimation of noble metal surface areas
  ?和co都已用来测定贵金属的表面积。