precious metals

美 [ˈpreʃəs ˈmɛtəlz]英 [ˈpreʃəs ˈmɛtlz]
  • n.贵重金属
  • precious metal的复数
precious metalsprecious metals

precious metals

频次

  • 1
    N-VAR 贵金属
    A precious metal is a valuable metal such as gold or silver.

  1. Not all missions would return precious metals and minerals to Earth .

    并非所有的任务都会带贵重金属和矿产回地球。

  2. During the summer , prices for goods such as precious metals and oil set records .

    夏季,贵重金属和石油等商品的价格创下最高纪录。

  3. A Swiss study reported that while the weight of electronic goods represented by precious metals was relatively small in comparison to total waste , the concentrationof gold and other precious metals was higher in So-called e-waste than in naturally occurring minerals .

    瑞士的一项研究报告显示,虽然贵金属类电子商品的重量比全部废品的要小,可与自然状态相比较,那些所谓的电子废品中所含黄金等贵金属的纯度更高。

  4. Application of Solid Extraction in the Analysis of Precious Metals

    固态萃取法在贵金属分析中的应用

  5. The Application of Precious Metals in New Technology

    贵金属在新技术中的应用

  6. The Development and Application of Precious Metals Resources

    贵金属资源的应用及开发

  7. Stability of Standard Solution in Analysis of Precious Metals

    贵金属分析中标准溶液的稳定性

  8. Relationship Between Physical Properties of Precious Metals and Atomic Structure

    贵金属物理性质与原子结构的关系

  9. The Treatment of Waste Water from the Deep Processing Procedure of Precious Metals

    贵金属深加工的废水处理方案

  10. The Application of Spectrophotometry of Copper in the Analysis of Precious Metals

    铜的分光光度法在贵金属分析中的应用

  11. The electron waste is an important secondary resource of precious metals .

    电子废料是一种重要的贵金属二次资源。

  12. Summary of Resources Production and Market of Precious Metals

    贵金属资源生产与市场纵览

  13. Research Progress of Ordered Porous Composite Materials Doped by Precious Metals

    贵金属掺杂有序多孔复合材料的研究进展

  14. Method of measurement of resistivity of precious metals and their alloys

    GB/T1424-1996贵金属及其合金材料电阻系数测试方法

  15. Rapidly Solidified Powder Making Technique in the Field of Precious Metals

    快速凝固制造贵金属微细粉末

  16. Progress in determination of precious metals by alkaline dye in China

    碱性染料测定贵金属在中国的新进展

  17. Development in multi - element determination of precious metals

    贵金属多元素分析进展

  18. Therefore , this paper focuses on the dielectric parameters of precious metals .

    因此,有必要对贵金属材料的介电参数进行重点研究。

  19. The Accurate Determination of Density for Precious Metals and Their Alloys

    贵金属材料密度的精确测定

  20. A New Process of Separation and Refining of Precious Metals by Solvent Extraction

    连续萃取分离精炼贵金属之新工艺实践

  21. Recovery of Precious Metals from spent Catalyst generated in Petrochemical Industry

    从石油化学工业产生的废催化剂中回收贵金属

  22. Resources and supply & demand situations of precious metals

    贵金属资源及供需形势

  23. Prospects of spray forming applied to precious metals are analysed .

    对喷射沉积技术在贵金属领域的应用前景进行了分析和展望。

  24. Mineral Resources Sustainable Development Strategy of Nonferrous and Precious Metals in Heilongjiang Province

    黑龙江有色&贵金属矿产资源可持续发展战略研究

  25. Development of the Investigation and Application of Microwave Technology in Rare and Precious Metals Metallurgy

    微波技术在稀贵金属冶金中的研究应用进展

  26. Advancement of Precious Metals Powder for Micro - electronic Industry

    微电子工业用的贵金属粉末之进展

  27. And take our women and our precious metals .

    还要带走我们的女人还有我们宝贵的金属。

  28. Are the gains in these three precious metals sustainable ?

    这三种贵金属的涨势能否持续?

  29. Study on the Separation of Precious Metals by CL & 5401 Resin

    萃淋树脂CL-5401分离贵金属的研究

  30. Precious metals are very important in national economy due to their special physical and chemical performance .

    贵金属由于具有许多独特的物理、化学性能,在国民经济中有着十分重要的作用。