Quadrupole mass spectrometer can be used in measuring pressure of dividing and analysis composition of material.
四极质谱计在真空技术中可用来测量分压强，从事物质成分的分析。
2
Dividing the rotating packed bed into different parts, this paper presents a set of experimental measurements and modeling of gas pressure drop based on air water system.
利用空气水系统对旋转填充床的气相压降进行分段模型化和实验研究。
3
Based on the principle of high pressure sizing, pre wetting sizing, dividing sizing and advanced sizing, the concrete reforming measures are presented, and Its feasibility is also demonstrated.