ventilation level

Study on changes of IL-13 level and lung ventilation function forced expiratory volume in one second in children with asthma

哮喘儿童IL-13水平和肺功能1秒钟用力呼气容积变化的研究

These openings to the lower level create increased ventilation and natural daylighting of the carpark below.

面向低处开口的设计更加有利于空气流通,也利于白天下面的采光.

The level ( upright) bus and its connection system, functional compartment and meter measure cell, ventilation system in the mix unit were expounded respectively.

对柜中水平（垂直）母线及其连接系统、功能隔室及表计测控室、通风散热系统分别进行了阐述，并采取措施加强柜体结构强度。

Noninvasive ventilation PAV set at a level of comfort determined by the patient can unload inspiratory muscles; at the comfortable level of ventilatory support, Wi, Pdi and PTP decreased by 57%, 72% and 65% respectively.

根据患者感觉舒适情况而设定比例辅助水平的无创PAV可减轻患者的呼吸肌肉负担，最舒适水平时呼吸功减少57%，Pdi减少72%，PTP减少65%；

This paper shows how to redesign the building acoustic sound insulation lab without altering its function and structure to gain a reverberation environment of which the background noise level is lower than 15dB ( A) when the ventilation system is working.

文章重点介绍在机械通风和不影响建筑隔声实验室原有的实验功能与结构的前提下如何对建筑隔声实验室进行改造以获得背景噪声低于15dB（A）的混响场实验环境。

Objective To investigate the changes of NO and ET 1 level in dogs with halation injuries after treatment with partial liquid ventilation ( PLV).

目的研究吸入性损伤部分液体通气（PLV）后一氧化氮（NO）、内皮素1（ET1）的改变。