某种天气持续一段时间 spell
压力支持通气 PSV ; pressure support ventilation ; SPONT ; SIMV PSV
持续气道正压通气 CPAP ; continuous positive airway pressure ; nasal continuous positive airway pressure ; Continuous Postive Airway Pressure
持续气流 continuous flow ; SIMV
持续生气 keep angry
香气持久 long-lasting aroma
失气时阀位保持 FL
经鼻持续气道正压通气 NCPAP ; nasal continuous positive airway pressure ; Chinese Journal of Medicine ; continuous positive irwy pressure
Mewawalla认为由于上述这些原因，审计员和投资者已经对煤层气的前景持非常谨慎的态度。
Mr Mewawalla argues that auditors and investors have been cautious about coal-bed methane's prospects for all these reasons.
为此推导了油、气泡分别呈圆球状和椭球状泡状流动时油、气电导率与持水率的关系式，发现混合流体电导率值相差很小。
The relationships between conductivity and water holdup of oil and water bubbles are analyzed respectively under the conditions of ball and ellipsoidal shapes when the mixed fluid is in froth flow.
实例表明，应用持气率资料有利于提高产气剖面解释的准确性。
Examples indicate that application of gas holdup data is beneficial for improving the precision of gas producing profile interpretation.
应用推荐