The second was a 20-cent coin made of silver alloy.
第二种硬币是两角的合金银币。
These are graphite, high silicon cast iron, lead silver alloy, platinum, and even scrap steel rails.
所用材料有石墨、高硅铸铁、铅银合金、铂、甚至废钢轨等。
Silver alloy reflective films for optical information recording media, silver alloy sputtering targets therefor, and optical information recording media.
光学信息记录介质用银合金反射膜，为此的银合金溅射靶，以及光学信息记录介质。
The leached out residue is reduced by sodium carbonate, then the gdd-silver alloy is decomposed by nitric acid, and finally zinc powder is used to replace silver.
浸出渣用碳酸钠还原，再用硝酸分解金银合金，然后用锌粉置换银。
JP-2000 192279, Cyanide-free electroplating bath for silver and silver alloy coating, using fatty sulphurous compounds that are stable for a relatively long time.
本文介绍了国内无氰镀银研究情况，部分翻译了日本专利特开2000-192279，介绍银及其合金的无氰电镀液组分及工艺，镀液比较稳定。
The hydrogen permeability of the composite membrane is very high and the cost of the composite membrane is low because the palladium silver alloy film is very thin.
该复合膜的钯银合金顶层很薄，因此复合膜的氢气渗透率大，成本低。
When silver alloy is used as conducting ring material, its service life is influenced by its slightly low hardness and bad abrasion resistance behavior, meanwhile it is prohibitive.
银合金作为导电环材料，因其硬度偏低、耐磨性差，影响使用寿命，同时，还存在价格昂贵的问题。
When silver alloy is used as conducting ring material, its service life is influenced by its slightly low hardness and bad abrasion resistance behavior, meanwhile it is prohibitive.
银合金作为导电环材料，因其硬度偏低、耐磨性差，影响使用寿命，同时，还存在价格昂贵的问题。
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