The results indicate that high temperature effect of arc column strongly prevents cold gas current from getting in, so as to restrain CVD process.
结果表明：电弧弧柱的高温效应剧烈排斥冷气流的混入，使CVD过程受到抑制。
The volatile organic compounds (VOCs) produced in the laser-sculpture process of bicolor board were studied using cold trap condensation-gas chromatography-mass spectrometry.
研究了冷阱浓缩气相色谱-质谱法检测双色板在激光工艺雕刻过程产生的挥发性有机污染物的组成。
Comparing with gaseous air separation plant. Full liquid air separation plant and gas liquefaction plant need more cold for the whole process.
液体空分设备和液化设备相比较气体空分设备，需要更多的冷量。
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