其次是黑色镀层，探讨了目前较受欢迎的电镀黑色锡镍合金及离子镀碳化钛。

Then, black Sn-Ni alloy plating and ti carbide ion plating, quite well received currently, are discussed.

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提出了电感耦合等离子体发射光谱仪（ICP-AES）测定锡钛合金中钛含量的分析方法。

Determination of titanium content in tin and titanium alloy was studied using the whole spectrum direct-reading high-resolution inductively coupled plasma atomic emission spectrometer(ICP-AES).

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