尽可能地通风，以彻底用室外空气置换房间或泄漏区域的空气。
Ventilate as much as possible to completely air out the room or spill zone with outside air.
结果显示对已设计好的无空气干燥机，干燥速率提高，空气置换时间明显缩短；
The results showed that at higher evaporation rate the air replacement time can be reduced.
除了温度调节、搅拌以外，还具备有机合成必要的回流和空气置换机能，另外，通过变换铝片可以改变合成的进程。
In addition to temperature control, mixing, it also has the necessary return of organic synthesis and air displacement function, in addition, aluminum can be changed by changing the synthesis process.
存在这样的裂缝，一个普通房屋里大约每小时会置换一次新鲜的室外空气。
Because of such leaks, the air in an average home was replaced by fresh outdoor air about once an hour.
这种置换分配将要协助满足使用者对新鲜空气的需求。
The displacement distribution should help satisfy the occupant requirements for fresh air.
置换通风作为一种全新的的通风方式，具有降低能耗、提高室内空气品质的优势，得到越来越多的应用和研究。
As a new ventilation style, the displacement ventilation can improve the indoor air quality and has relatively small energy consumption, so its application becomes more and more extensive.
讨论了通风有效性与空气分布特性的相关性，分析了混合通风（上送下回）通风效率低于置换通风效率的原因。
Discusses correlations between ventilation effectiveness and air distribution, analyses why the ventilation efficiency of mixing ventilation is lower than that of displacement ventilation.
从原理出发，对地板送风与置换通风在气流组织、通风效率、空气品质和热舒适等方面的特性进行了比较。
Starting with this mechanism, compares underfloor distribution with displacement ventilation in air distribution, ventilation performance, air quality and thermal comfort, etc.
置换通风是一种全新的通风方式，可获得较高的空气品质和节能效果以及具有较高的通风效率。
Displacement ventilation is a completely new ventilation way, through which aims such as gaining higher air quality, economizing energy and getting better ventilation efficiency are realized.
用FIDAP软件模拟了一典型大空间建筑空调采用置换通风送、回风口同侧布置、异侧布置的室内空气流动的速度场和温度场。
Velocity field and temperature field of replacement ventilation of air-conditioning in a typical large space building are studied using FIDAP software.
置换通风作为一种既能提高室内空气品质，又能降低能耗的空气调节方式，已被广泛的应用于实际工程当中。
As a ventilation form for improving indoor air quality and saving energy, displacement ventilation has been widely used in the projects.
不必用惰性气体置换空气。
通过建立一模型房间，从室内空气温度分布、PPD、悬浮颗粒分布及CO2浓度几方面模拟研究了置换通风条件下室内空气品质。
From the aspect of temperature diffuse? PPD? Aerosol distribution and CO2 concentration, the IAQ of a room with displacement ventilation by constructing a model of room are simulated and studied.
它克服了现有火车通风装置换气量小的缺点，改善了列车内部的温度和空气环境。
The utility model overcomes the shortcoming that the ventilation volume of the ventilator of the existing train is small, and the temperature and air environment in the train can be improved.
它克服了现有火车通风装置换气量小的缺点，改善了列车内部的温度和空气环境。
The utility model overcomes the shortcoming that the ventilation volume of the ventilator of the existing train is small, and the temperature and air environment in the train can be improved.
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