Experiments were carried out to investigate the sonic velocity of air-powder two-phase flow in a horizontal constant cross section duct.
实验研究了在水平等截面管道中空气-树脂粉两相流的音速。
As a result, with phase unwrapping technique based on Fourier transform, any cross section projection could conveniently be worked out from the Moiré deflectogram of rocket exhausted plumes.
结果发现，根据火箭喷焰的莫尔条纹，采用傅里叶变换相位展开技术，可以方便地提取任意截面的投影信息。
The electro-reverse extraction of the oil phase of different extraction section was carried out by a packed bed electrodialysis, so that various metal ions are ret.
电反萃技术是把离子交换、萃取、膜分离过程结合在一起的一种新的分离方法。
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