phv的音标

Methods 12 severe asthma patients were treated with PHV combined with low PEEP ventilation. Ventilation mode was set as volume control or assistant/ control with PHV ( PaCO 210.6 kPa, pH7.15).

方法12例危重哮喘患者采用容量控制或辅助/控制模式并采用PHV通气策略（PaCO210.6kPa，pH7.15）。

To Study management of respiratory failure tape I through nasal mask pressure support Ventilation ( PSV) and guiding signif cation by concepts of permissive hypercapnia ventilation ( PHV).

探讨经鼻压力支持通气（PSV）治疗Ⅱ型呼衰的效果及对可允许高碳酸血症通气（PHV）治疗的指导意义。

Portable High-frequency Vibrator ( PHV), a kind of non-explosive seismic source for engineering and shallow seismic survey, originated from Chirp Radar, thus its main function is to transmit power amplified Chirp signal with strictly controlled parameters to the earth.

轻便高频可控震源（PHV）是一种用于工程探测和浅层地震勘探的非爆炸性震源，其工作原理来源于Chirp雷达技术，它的主要任务是向地下发射参数得到严格控制的Chirp信号。