Except for considering the processes of transfer and diffusion of air pollution matter, the model covers the photochemical reaction effects as well.

模式除考虑污染物在大气中的输送、弥散过程外，还加入了光化学反应过程。

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Studies have shown that air pollution has a great effect on the white matter in the brain, but not the grey matter.

研究表明，空气污染对大脑中的白质有很大影响，但对灰质没有影响。

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By reducing particulate matter (PM10) pollution from 70 to 20 micrograms per cubic metre, we can cut air quality related deaths by around 15%.

将可吸入颗粒物(PM 10)从每立方米70微克减少到20微克，则与空气质量有关的死亡就可减少大约15%。

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"These are the same kind of fine matter found in normal air pollution.

VOA: standard.2010.04.16

This will allow truckers to reduce emissions significantly (diesel emissions include nitrous oxides, particulate matter, and other air toxics and they are a major source of pollution in some areas).

FORBES: Acceleration of the Natural Gas Highway