The engineering thermal calculation, the calculations of different operating conditions, of the resistance of water flow and vapor flow, and of the air leak amount were made.
完成了不锈钢螺纹管凝汽器的工程热力计算、变工况核算、冷却水流动阻力、蒸汽流动阻力和漏气量计算。
2
A differential resistance model was established to describe the permeation of watervapor across the hollow fiber composite membrane. The reliability of the model was verified by experiment.
建立了水蒸气在中空纤维复合膜中渗透的微分阻力模型，用实验验证了模型的可靠性。
3
Biax-orientation Nylon6(BOPA) film is a new type of top grade packaging material with outstanding properties including cold-proof, heat-proof, oil resistance and good gas, watervapor barrier etc.