High temperature tribological behaviors of superfine kaolin in colza oil were tested with SRV machine, and wear surface was observed by surface profiler.
The influence of alkali pretreatment under ultrasonic on surface cyclic trimer content of superfine polyester fiber using high temperature high pressure dyeing process has been studied.
研究了超声波作用下碱预处理对聚酯超细纤维高温高压染色后表面环状三聚物含量的影响。
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This paper introduces the grinding machine used on the processing of mirror surface of optical parts and the superfine diamond grinding wheel and its dressing technique.