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

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。

Research conclusion: ( 1) To control fresh air requirement, it could reduce fresh air cooling load.

研究结论：（1）调节新风量降低了新风负荷；

Study on Fresh Air Requirement in Road Tunnel Ventilation Design

公路隧道通风设计需风量几个问题的研究

The Application of Air Sampling Smoke Detector System in High Buildings with wide Inner Space

空气采样早期烟雾探测系统在高大内部空间建筑的应用

Air sampling technique and its uncertainty analysis

空气采样技术及不确定度分析

Design and Realization of a Portable Constant Air Sampling Pump

便携式恒流空气采样泵的设计与实现

A Study on Quality Assurance of the Process of Air Sampling by Manual Operation

环境空气手工采样的质量保证

Application of early air sampling smoke detection system to space of tall buildings

早期空气采样探测系统在高大建筑物内的应用

Design of Intelligent Fire Detection System for Air Sampling of Coal Mine

煤矿智能型空气采样火灾探测系统的设计

Air sampling technique is used to explore safety evaluation.

在安全性测定方面，运用了空气采样技术进行探索。

In order to improve the system reliability, some measures such as "two out of three" principle, air sampling and self-verification were adopted.

采用三取二原则、空气取样、系统自检等措施提高了系统可靠性。