Nowadays, indoor air quality becomes more and more important in our life. This paper measures and analyses the effect of individual fresh air regulation.

室内空气品质日益成为人们普遍关心的重点，本文测试分析了个体化微环境新风调节的效果，将室外新风处理后直接送到人体呼吸区域。

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Based on the reform of the air regulation system of worm compressor make the compressor normal work, repaire simple and convenience, and the rate of breakdown low.

通过对螺杆压缩机风量调节系统的改造，可以使螺杆压缩机正常工作，维修简单方便，动作可靠，故障率低。

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Axial flow fan is the main ventilation device presently. This paper introduces the application of axial flow fan, settles saving energy problem and air regulation problem.

目前轴流式通风机在煤矿是普遍的主通风设备，文章阐述了变频器在轴流式风机中的应用，以解决主扇调整风量和节能降耗的问题。

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These arguments center largely around the idea that current air pollution regulation is good enough as-is, and that any further restrictions are aimed at tackling environmental issues and climate change, both typically seen as luxuries in a down economy.

FORBES: Two New Reasons to Worry about Air Pollution: Obesity and Diabetes

The debate over air pollution and, more specifically, the regulation of air pollution, raged on this week as the Environmental Protection Agency (EPA) watered down its cross-state pollution rule and House Republicans moved to delay new rules on toxic air pollution from cement plants, solid waste incinerators, and industrial boilers.

FORBES: Two New Reasons to Worry about Air Pollution: Obesity and Diabetes

Increasingly, health research seems to be pointing to a need for stricter regulation of air pollution.

FORBES: Two New Reasons to Worry about Air Pollution: Obesity and Diabetes