Test method for airflow resistance of respiration of filtering particle respirator.
过滤式防微粒口罩对空气流呼吸阻力的试验方法。
Method 82 neonate infants with failure of respiration were treated by NCPAP and observed the changes of vital signs.
方法应用NCPAP治疗82例新生儿呼吸衰竭患儿，并观察生命体征的变化。
The study on the biomass, respiration and P/B coefficient of benthon have been carried out with counting method, sealed apparatus method and cultivation method in Sanjiang Plain.
本文运用计数法、封闭器法和培养法对底栖动物的生物量、呼吸强度和P/B系数进行了研究。
应用推荐