phase density spectrum [自] 相位密度谱
phase-density 相含率
solid-phase density 固相密度
dense phase density 密相密度
liquid phase density 液相密度
liquid-phase density 液相密度
phase density spectra 相位密度谱
phase noise power spectrum density 相位躁声功率频密度
Accurate determination of the gas phase density is very important for the reliability of adsorption measurements in both volumetric and gravimetric methods.
无论采用容积法还是重量法测量吸附平衡，准确计算气相氢密度对于实验结果的可靠性是至关重要的。
This paper describes the experimental study of two phase density wave oscillation in natural circulation loop. The oscillation curves under different conditions are obtained.
在自然循环水回路上进行了两相流密度波不稳定性的实验研究，得到了不同工况下的实时脉动曲线。
The relationships among perforation diameter, density, phase and casing strength are clarified.
明确了射孔直径、密度及相位等与套管强度的关系。
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