precious metal造句
1. Not all plating was of precious metal.
2. Being made of metal, often precious metal, coins have tended to survive much better than less durable objects.
3. The chemical analysis of precious metal artefacts can be difficult because their value and decorative finish usually prevent sampling.
4. They include objects of precious metal. like the jewelry and famous gold mask, and food and clothing.
5. The value of this precious metal could be modified by alloying with baser materials.
6. In order to eliminate price exposure on other precious metal stocks we hedge the price wherever possible by forward sales.
7. Gold is a precious metal.
8. Household articles, such as hollowware, covered with a precious metal, such as silver or gold.
9. The dull precious metal seemed to flash with a reflection of her bright and ardent spirit.
10. Smaller precious metal miners are also well placed, Liddle said, pointing to their low valuations relative to large-cap peers.
11. The cast precious metal alloy or master alloy has been found to have a reduced number of hard spots and reduced silicon contamination when compared to conventional casting methods.
12. The few lead content is beneficial in the precious metal cyaniding, but the high lead content in the gold concentrate roasting-cyaniding is harmful.
13. Articles of jewellery and parts thereof , of precious metal or of metal clad with precious metal.
14. These coins were round lumps of precious metal with their weight stamped on them.
15. The dull precious metal seemed to FLASH with a refection of her bright and ardent spirit.
16. Other articles of precious metal or of metal clad with precious metal.
17. Watches whose cases are made wholly or mainly of precious metal.
18. Some analysts argue that it should, since demand for the precious metal exceeds supplies.
19. The economic recession around the world was not generally helpful to precious metal prices.
20. This work is consolidating Johnson Matthey's position as a world leader in precious metal refining.
21. Objective To study the microsegregation phenomenon in as-cast micro structure of a precious metal ceramic alloy so as to provide theoretic basis for study on this kind of alloy.
22. An experiment on hydrothermal growth are in process in a sealed tube with a precious metal liner.
23. As other forms of stored value — paper banknotes, government bonds, inked entries in bank ledgers — came into widespread use, they were understood to represent actual amounts of precious metal.
24. In Hong Kong trade, Zijin Mining Group Co., China's biggest gold miner, fell 8.9 percent amid a price drop in the precious metal as investors sold gold to raise cash.
25. The reason: the dollar stormed to an all-time high against the Turkish lira , driving Turkish prices for the precious metal to their own record and providing an incentive to sell.
26. Gold bars are suitable for long - term investment, however , thanks to the uniqueness of the precious metal.
27. Fossicking for gold involves sifting through amounts of dirt for a few grammes of precious metal.
28. Objective To investigate the elastic limit and relevant enclasp force of the non - precious metal casting clasp.
29. The complexing mechanism of unsymmetric bis-arylazo derivative of chromotropic acid and precious metal elements was studied using composition ratio of the color complex and constitution of reagents.
30. The bright nanometer Ag powder is one important type of the precious metal powder materials.
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