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

1、

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

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2、

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。

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3、

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；

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4、

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

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5、

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

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6、

Air sampling technique and its uncertainty analysis

空气采样技术及不确定度分析

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7、

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

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8、

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

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9、

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

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10、

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

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11、

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。

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12、

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。

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13、

A Simple Idea Finally the in-car air sampling and analyzing methods adopted extensively in the world are presented.

最后简单介绍了国际上广泛采用的车内空气取样和分析方法。

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14、

The soft ground has characteristics such as rich natural water content, big air space ratio, high compressibility, low shearing strength and so on.

软土地基具有天然含水量大、空隙比大、压缩性高、抗剪强度低等特点。

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15、

Remoulding air supply system of CIP plant to improve gold recovery rate

改造炭浆厂供风系统提高金回收率

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16、

All air supply is based on plant air and blowers.

所有气体的供应是根据工厂空气和鼓风机而定的。

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17、

Heat gain and temperature rise in low temperature air supply system

低温送风空调系统的风管得热与温升

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18、

Research for Frequency Conversion Control in Air Supply System of Hydrogen Power

氢能发电机空气供给系统变频控制技术初探

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19、

Proton Exchange Membrane Fuel Cell Air Supply System Design Based on H_ ∞ Robust Control

基于H∞鲁棒控制的质子交换膜燃料电池空气供应系统设计

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20、

Transforming Compressed Air Supply System, Reducing Consumption of Energe Source

改造压缩空气供应系统降低能源消耗

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