exhaust ventilation

For this purpose the author proposed a optimum calculation method of ventilation system aimed at control of leakage in ventilation system in order to creation conditions for utilization of exhaust ventilation system in spontaneous combustion mines .

为此，作者提出了一种以控制通风系统漏风为目标的通风系统优化计算方法，为在发山矿火山实现抽出式通风创造条件。

It is a general belies that exhaust ventilation method is not suitable for spontaneous combustion mines .

在发火矿山不应采用抽出式通风，这是人们的普遍认识。

Analysis of Exhaust Ventilation Mode of Subway Tunnel Fire

地铁区间隧道火灾排烟通风模式分析

Study on Numerical Analysis and Service Economic Efficiency of Double-shaft Blow and Exhaust Ventilation System

双竖井送排式通风方式的数值解析及运营经济性研究

Exhaust ventilation and smoke extraction design for underground garages

地下汽车库的排风与排烟系统设计

Set up system to provide a " cross flow " of intake and exhaust ventilation wherever possible .

在任何可能的地方建立通风系统用以保证进风和排风的的交叉流动。

Fume Exhausting Pattern and Air Rate Calculation of Exhaust Ventilation Under Heat Negative Pressure Condition in Blind Heading

热负压影响下独头巷道抽出式通风的排烟规律和风量计算的研究

VERA ( Versatile Experimental Reactor Assembly ) Ventilation : Good general or local exhaust ventilation are required for usage .

通用实验性反应堆装置通风措施：需要使用适当的通风装置。

Ventilation : positive downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV .

通风：为了使气体聚集程度维持在阀极限值之下，应提供通畅的向下棋流排气通风设施。

Provided that these requirements need not be complied with where adequate mechanical exhaust ventilation arrangements are provided in those spaces .

但如在等位有足的械排通的安排，符合上述定。

Such controls typically involve the use of local exhaust ventilation , work practice modification , and personal protective equipment in order to reduce exposure potentials .

这些控制一般包括使用局部通风系统、工作实践改善和个人防护用品，来减少暴露浓度。

Flow conservation equation and pressure balance equation of double-shaft blow and exhaust ventilation model for highway tunnels are recommended on basis of hydrodynamics in the paper .

以流体力学为基础，建立了公路隧道双竖井送排式通风方式的流量平衡方程和压力平衡方程。

Impinging scrubber or bag filter dust collector were selected to treat the dust laden air from the local exhaust ventilation system , which gave a total collecting efficiency of 97 % for impinging scrubber and 98 % for bag filter ;

选择了冲击式水浴除尘器或滤袋除尘器，对玉石雕刻通风系统排出的含尘空气进行了除尘净化，除尘器的总除尘效率，前者可达97.0%，后者可达98.0%；

Results On the basis of adopting wet process in the carving operations , local exhaust ventilation system for dust control was installed , which included : the special designed slot exhaust hoods with hood face velocity of 2.5 m / s and exhaust volume of 600 m 3 / h.

结果采用了湿式作业，设置了适用的局部通风除尘系统：设计了专门的条缝型吸尘罩，其侧上吸罩罩口风速为2.5m/s、风量为600m3/h；

Shared system design of the smoke exhaust and ventilation

排烟排风共用系统的设计

Full scale wind tunnel general exhaust mechanical ventilation

整车风洞或全尺寸风洞全面抽出式机械通风

Knapsack air-blast sprayer with engine drive general exhaust mechanical ventilation

背负鼓风式机动弥雾器全面抽出式机械通风

General exhaust mechanical ventilation down-draft drying zone

全面抽出式机械通风（带式球团焙烧机的）抽风干燥段

Draw-out metal-clad switchgear general exhaust mechanical ventilation

拉出式铠装开关装置全面抽出式机械通风

Based on the production practice of Yunxi mine , the theory and technical management of exhaust radon ventilation method of slightly uranium mine were summarized and developed .

通过在云锡矿井现场的生产实践，总结及发展了非铀矿山排氡通风方法的理论及其技术管理。

In association with specific project it expounds the advantages of underground garage , adopts this new system and compares it with the traditional large exhaust pipe ventilation system in terms of operational effect and economic benefits .

结合具体工程论述了地下停车库采用此诱导通风方式的优点，并与传统的大风道通风系统作了运行效果及经济方面的比较。

The results suggested that exhaust fan assisting ventilation could improve the curing quality .

机械辅助排风有利于提高烟叶的烘烤质量。

Test of Enforced Gas Exhaust by Machinery Ventilation in Tailentry

利用机械通风强制抽排尾巷瓦斯的试验

The term also refers to metal blades covering the intake and exhaust outlets of ventilation and air-conditioning units .

现代通风和空调设备的进气和排气口上盖的金属叶片也称百页。

Several key design points about blast room were put forward including air inlet design , noise controlling of air intake and exhaust system , ventilation calculation of exhaust system , ventilation equipment style .

叙述了鼓风机房包括进风廊道设计、进气系统噪声控制设计要点。介绍了排气系统通风量计算、通风设备造型及噪声控制方法。

In order to make indoor air fresh , general house of room is usually adopts exhaust fan to ventilation , however , owing to the suction range and ventilation time of exhaust fan , ventilation effect is not very well .

为了使得室内空气新鲜，普通住宅房间通常采用排气扇来进行通风换气，但是，由于排气扇的吸程范围及换气时间的限制，换气效果并不理想。

Research on Vehicle Exhaust Emission Concentrations & Ventilation System of City-highway Tunnel

城市公路隧道汽车尾气排放浓度的研究及通风方案的设计

This paper introduces a new type equipment which is suitable for recovering exhaust gas energy in ventilation system , and analyses the economic effect of recovering exhaust gas energy combined with the ventilation system of a paper factory .

本文介绍了用于回收通风系统排风能量的新型设备，并结合造纸厂的通风系统，分析了回收排风能量的经济效果。

In addition , by contrast to the exhaust hood for industrial ventilation , this paper analyze the characteristic of two-dimension puff and suck airflow and the flow-field simulation of numerical value , compare the constant-speed line chart , and indicate the available two-dimension airflow in kitchen ventilation .

此外，借鉴用于工业通风的吹吸式排风罩，分析了二维吹吸气流特性和流场数值模拟，比较等速度线图，指出了二维吹吸气流在厨房通风中的可行性。

Will respond to the way the exhaust discharge chamber changed from both sides of the exhaust ventilation at the bottom center , the pressure field becomes more uniform , more consistent flow of air to achieve optimized results .

将反应放电室的抽气方式由两侧抽气改为底部中心抽气后，压力场变得更加均匀，气流的流动更加一致，达到了优化的效果。