If the wellhead pressure exceeds that of the pipeline, then the gas can be passed through a choke or throttled in a constant-enthalpy Joule-Thomson expansion to provide cooling.
如果井口压力超过管道所需的压力,则可使气体通过节流件,以等焓焦耳-汤姆逊膨胀获取冷量。
2
Objective: To summarize the clinical application experience of a new simple type Continuous and ConstantPressure Skin Expansion Perfusion Apparatus(CCPSEPA).
目的:总结一种简单易行的“交互反馈式全封闭型持续恒压皮肤扩张灌注器”的临床应用经验。
3
To verify the effects of continuous constantpressure skin expansion.