Different color so as to the quality of the nickel layer.
从而出现不同色泽的镍层质量.
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Nickel layer of color difference has been the problem completely.
镍层的色泽差异问题也得到彻底的解决.
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The preferred orientation of settled nickel layer didn't change with the concentration of thiourea.
另外,沉积层的择优取向不随硫脲浓度的变化而改变.
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