氮的性质使许多应用受益，如热处理气氛、覆盖气氛、推进剂、气体力学、净化和加压以及分解运载气体。
Nitrogen's properties benefit applications such as heat treating atmospheres, blanketing atmospheres, propellants, pneumatics, purging and pressurizing, and analytical carrier gases.
二维和三维流体力学计算机程序，已用于研究气体云的早期坍缩。
Two-and three-dimensional hydrodynamic computer codes have been applied to the study of the early phases of the collapse of a gas cloud.
对于气体搅拌的萃取过程，静态混合器的型式和规格对传质性能和流体力学性能的影响很大。
So the type and specifications for motionless mixer have a great influence on the mass transfer and fluid mechanics properties.
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