The effect of substrate surface pre-polishing on nucleation of diamond and structure of diamond thin films by HFCVD has been studied.
本文研究了在热丝CVD方法生长金刚石薄膜中，基片表面的研磨处理对金刚石成核密度以及生长膜结构的影响。
One Layer of bias sisal sewed with two layers of cotton cloth, provides it good cutting and polishing properties, mainly used for pre-polishing of metal ware.
用两层棉布加上一层麻布车缝而成，同时具备切削及一定程度的抛光能力，主要用在预备抛光的金属制品上。
Deep drawn parts offer the ability to pre-plate the internal working faces with gold, while also work-polishing and hardening the wall to optimize product lifetime.
深冲部件提供了对内部工作面镀金的能力，还可以在工作时抛光和硬化壳壁以延长产品寿命。
A lye concentration control system is designed to keep the concentration for pre-process technique of polishing in printing and dyeing industry.
为实现对印染前处理丝光工艺中的碱液浓度控制，设计开发了碱液浓度实时控制系统。
A lye concentration control system is designed to keep the concentration for pre-process technique of polishing in printing and dyeing industry.
为实现对印染前处理丝光工艺中的碱液浓度控制，设计开发了碱液浓度实时控制系统。
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