Regarding the problems existed in present theory of air leakage of ventilation pipe, this paper puts forward a new index to evaluate the air leakage of the pipe line.

Design of Indoors Air Gas Pipe Line

室内燃气管道的设计

The suitability test for high pressure air pipe line made of super low-carbon stainless steel

超低碳不锈钢管应用于高压空气管道的适用性试验

Trial Drilling Results of YKS-30 Model Air Counter Circulation Placer Drill

YKS&30型空气反循环砂钻的初步试验获得可喜进展

Air tightness test and safety valve adjusting for main air receiver ( control air receiver, air horn receiver) on board.

主空气瓶（制空气瓶、笛空气瓶）船后气密试验和安全阀的调整。

The dissertation analyzes the structure of each section of the system and all principal devices, including a transmitter, air channel, a receiver and the unit of signal process.

文章分析了系统各个部分的结构及选用的器件，包括发射端、大气传输信道、接收端及信号处理部分。

International Air Traffic Communications Receiver Station

国际空中交通通讯接收站

Scavenging air receiver on fire and preventive measures

船舶主机扫气箱起火分析及防范措施

A Calculating Study on Filling Air Receiver of Marine Compressor

舰船空压机充瓶过程计算研究

The cold test on dynamic air character of dual register cyclone-type burner was done using same temperature simulated technology on the 1 025 t/ h boiler. The effect of Internal secondary air blade angle on flow field of dual register cyclone-type burner was also discussed.

在1025t/h锅炉上，利用等温模化技术对EI-DRB型燃烧器的空气动力特性进行了冷态试验，研究了内二次风叶片角度对燃烧器空气动力场的影响。

Air china trip, register the business organization of the approval formally through the national industry and business bureau.

中航商旅，经国家工商局正式注册批准的商务机构。

With respect to the numerical simulation of the flow field of a novel Venturi air register incorporating an inlet swirler proposed is an analytical model along with a processing method.

针对带入口旋流器的新型文丘利调风器流场的数值模拟，提出了一种分析模型和处理方法。

Experimental Research into the Air Register for CWS Spray Combustion

水煤浆火炬燃烧调风器试验研究

An Experimental Study on the Optimization of Combustion Parameters of a Dual Air Register

双调风燃烧器锅炉燃烧参数优化的试验研究

For both meeting indoor air quality requirement and saving energy, takes the concentration of CO 2 and TVOC as control indexes to realize random control of fresh air.

为了在满足室内空气品质的要求下，尽可能地减少新风量实现节能的目的，以CO2浓度和TVOC浓度作为控制指标，实现空调新风的随机控制。

The major effects of fresh air requirement are outdoor air quality, pollutants caused in daily life, building materials, decorative materials and contaminant released by furniture and electrical appliances.

新风量的影响因素众多，主要受室外空气质量、家居生活产生的污染物以及建筑材料、装修装饰材料、家具电器等释放的污染物影响。

Lastly, analyze the measured data, found that natural wind flow into and out the metro station within the daily operation period which could satisfy the lowest fresh air requirement.

最后对实验数据进行了分析，发现地铁站内在日常运营时存在自然通风进出地铁站的现象，且计算出的换气次数能够满足地铁站人员所需的最低新风量要求。

Some problems exist during the operation of cartridge filter, such as little effect of blast cleaning, minor air requirement and low filtering rate, etc.

滤筒式除尘器在使用过程中，普遍存在喷吹清灰效果差、处理能力小、过滤速度低的问题。

Research methods: ( 1) According to the indoor CO2 concentration control fresh air requirement, the fresh air should be handled single.

研究方法：（1）新风量按CO2浓度进行控制，新风单独处理；

A law of removing radon by ventilation and air requirement calculation for eliminating radon daughters in uranium mines

铀矿通风降氡规律及排氡子碳体风量计算

To implement this clean air requirement, the Act contains special permit provisions and requires changes in state implementation plans.

为实施清洁空气要求，该法案包含了许多特别许可条款并要求州对原来的实施计划做出调整。