| 释义 |
Air changes短语¹⁴⁴⁹⁷²⁺²
基本例句
换气次数
Water vapour in theair changesto waterdrops on the surfaces of these objects.空气中的水蒸气变成小水滴附着在这些物体表面。
With approval, airflow may set back to 6air changesper hour when space is unoccupied.如经过同意，当实验室无人时，可以将换气量降为6次每小时。
Based on a contamination emission model, analyses the influences of indoor temperature, mass transfer coefficient andair changeson contamination emission from porous materials.基于所建的污染物散发模型,分析了室内温度、传质系数、换气次数对多孔材料污染物散发的影响。
Directly measuring the levels is usually not the best way to do it, explains environmental consultant Christopher VanCantfort, because indoorair changesso frequently.环境顾问范坎佛解释道，直接测量浓度不是最好的办法，因为房子里的空气经常变化。
Based on the previous research, theoretically analyses the influence of combinations ofair changesand cooling load in an isolation ward and the adjacent buffer room on isolation effects when the temperature difference is considered.摘要从理论上分析了考虑温差影响下，隔离病房和缓冲室的换气次数与房间冷负荷的匹配情况对两室一缓工况下隔离效果的影响。 |