The newly designed rotating system of anode increased the efficiency of plating and the quality of plating layer was guaranteed as well.

新设计的阳极旋转系统提高了镀覆效率，保证了镀层质量。

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The deposits obtained by the process has satisfactory appearance, corrosion resistance and hardness, and the plating bath has advantages of high covering power and current efficiency.

该工艺得到的镀层外观漂亮，防腐性和硬度较好，镀液覆盖能力强，电流效率高。

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The effect of bismuth sulfate content in plating bath and current density on current efficiency, bismuth content and morphology of obtained tin-bismuth alloy was studied.

研究了镀液中硫酸铋含量和电流密度对镀层铋含量、电流效率及镀层表面形貌的影响。

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