The result shows that the nano-crystalline diamond film has a higher transmission and a smoother surface at deposition temperature of 640℃and gas pressure of 2.5kPa.

结果表明，在沉积温度为640℃、沉积气压为2．5kPa条件下，可实现高透过率的、光滑的纳米金刚石薄膜。

It needs to add a suit of gas-assisted fixture, and the key issue is the gas pressure control system.

塑料成型过程中采用气辅技术只需增加一套气辅设备 ,其技术核心是气体压力控制系统。

This paper is by measuring the method indirectly, Transmit all signal through the optic fiber and monitor gas pressure and temperature, By utilizing relations gas pressure and temperature carry on mathematics method but produce density of gas finally.

本文采用间接测量方法，通过光纤传输光信号对气体压力和温度实施在线监测，然后利用气体压力与温度的关系进行数学方法处理而最终得出的气体密度。