求翻译：化学镀作为一种成本低、工艺简单、镀层厚度均匀以及可大面积镀覆等特点的表面处理技术，得到了广泛的应用。由于Ni-P镀层的硬度不够高，耐磨性较差，其性能不能满足科技飞速发展的要求，应用范围受到一定的限制。近年来，对化学复合镀Ni-P-SiC的研究得到了国内外学者的重视。是什么意思？

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Chemical nickel as a low-cost, process simple, plating thickness uniformity, as well as a large nickel-by can be characterized by such surface processing technology, and has been a wide range of applications. Since Ni - P plating of the hardness is not high enough, wear resistance is poor, their per

The chemical plating took one kind of cost low, the craft simple, coating thickness even as well as may the big area plate duplicate and so on the characteristic surface treatment technologies, obtained the widespread application.Because Ni-P coating degree of hardness insufficiently is high, the re

Process of electroless plating as a low cost, simple, uniform coating thickness, as well as features such as large-area coating surface treatment technology, has been widely applied. Because of the hardness of NI-p plating is not high enough, poor abrasion resistance, its performance does not meet t

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