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。
2
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。
3
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.