Under the dual pressure of saving energy and keeping good indoor air quality, scientist all over the world, especially European scientist, start to survey the natural ventilation technique over again.
在节约能源、保持良好的室内空气品质双重压力下，全球科学家，特别是欧洲科学家，开始重新审视自然通风技术。
The noticeable problems that should be noticed appear in reforming the ventilation systems of gold mines, in which the natural wind pressure is higher, are discussed in this paper.
讨论了自然风压的特性及在黄金矿山通风系统改造中的利用问题，认为黄金矿山通风系统在改造前，首先应该优化通风网络。
Natural ventilation in heated pressure occupies a more and more important position in the building ventilation design because of being free from outside factor influence.
而热压作用下的自然通风方式因不受外界因素的影响在建筑通风设计中占据越来越重要的地位。
It analyzes the influence of natural wind pressure and diagonal branches to ventilation network.
分析了自然风压和角联分支对通风网络的影响。
The difference in opening sizes creates a pressure differential across the house that promotes natural ventilation.
开口的大小差异形成了房屋前后的风压差，由此促进了房子的自然通风。
Natural wind pressure in ventilation network affects the stability of air flow at mining areas.
通风网路中的自然风压影响采区风流的稳定性，风流的不稳定诱发自然灾害的发生。
Because the outdoor wind pressure is unstable, the current design criterion only considers thermal natural ventilation.
由于室外风压不稳定，目前的设计规范中只考虑热压作用下的自然通风。
Through the discussion of the resistance properties of natural ventilation induced by wind force, a method of local pressure loss superposition was proposed to calculate the pressure loss.
探讨了风压作用下大开口的自然通风阻力特性，并提出了用局部损失迭加法来计算阻力损失，即认为通过建筑物的气流是由不同的突缩段和突扩段的组合。
The low pressure gas is injected by the high gaseity fuel and the natural ventilation is used.
采用高压气体燃料引射低压瓦斯，自然通风。
Natural ventilation system of the building can be divided into wind pressure and thermal pressure ventilation systems by driving forces.
建筑的自然通风系统由于动力的不同而分为风压通风系统和热压通风系统。
Natural ventilation system of the building can be divided into wind pressure and thermal pressure ventilation systems by driving forces.
建筑的自然通风系统由于动力的不同而分为风压通风系统和热压通风系统。
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