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Firstly stannate conversion treatment , and then electroless nickel plating was carried out on the conversion film.
研究了转化膜及化学镀镍涂层的成分、结构和耐腐蚀性能.
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A new method for the determination of sodium stannate in alkaline tin plating baths was advanced.
提出了一种新的测量碱性镀锡液中锡酸钠含量的方法.
锡酸盐???
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