ventilation air concentration的意思|示意

The absorption rate, which was independent of the concentration of MMHin air and the ventilation volume, was constant and hight as 98%.

经呼吸道的滞留率高、稳定，不受吸入气中MMH浓度和动物通气量变化的影响。

Ventilation in the public places should be strengthened not only in the environment of central air condition but also in the normal air condition, and monitored the concentration of HCHO continuously.

无论在中央空调环境下还是在普通空调环境下的公共场所，均要加强通风换气，并应加强对室内甲醛浓度的连续性地追踪监测。

When determining air demand for tunnel ventilation, the air demand is taken from the bigger one between calculation of CO concentration index and smog concentration index.

隧道通风需风量的确定是取CO浓度指标和烟雾指标计算出来的较大者作为需风量。

For improving the air quality, the concepts of age of air are introduced and the solutions of age of air and ventilation efficiency are obtained by using tracer gas concentration of…

为了提高客舱内空气品质，引入了空气龄的概念并给出了由客舱内典型点的示踪气体的浓度求空气龄及通风效率的方法。

Objective To learn the effect of ventilation time and styles on the concentration and dynamic changes of formaldehyde in the indoor air of newly-decorated public places.

目的了解公共场所装修后通风方式及通风时间对室内甲醛浓度、甲醛动态变化规律及其影响因素。

This paper brings forward the indoor VOCs concentration control means, such as source controlling, ventilation and indoor air purifying based on the trait of VOCs emitting and distributing.

针对影响污染物散发及分布特点，给出了室内挥发性有机化合物的具体控制方法，如源头控制、通风及室内空气净化等。