1、

The anti-tarnishing experiments can be taken to confirm a certain alloy's anti-tarnishing capability.

银合金的特点是容易发生硫化变色,通过 抗 变色试验可以确定合金的 抗 变色性能.

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2、

Bright tin electrodeposits on copper wire are susceptible to tarnishing.

铜线材经光亮镀锡后易产生腐蚀变色.

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3、

The causes of tarnishing gold and silver-plated connectors were studied respectively.

分别探讨了接插件镀金和镀银层变色的原因.

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4、

Do they not realize their foolhardiness and which they are tarnishing the Republic's image?

他们难道不知道自己的行为不但愚蠢,也会损害新加坡的形象?

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5、

Azoles as Composite Corrosion Inhibitor for Anti tarnishing of Silver Antiques I. Process of the Inhibition Film Formation and Assessment of Its Anti tarnishing Abilities

防止银器文物变色的唑系复合缓蚀剂&I.缓蚀剂成膜处理工艺与防变色性能的评定

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