This chapter describes methods of estimating airborne pollutant concentration distributions associated with various emission sources.

本章论述几种有关各种排放源的大气污染物浓度分布的估算方法。

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The highly intensive industries in this region are associated with the emission of various chemicals that may pose a potential pollution to the river and the ecosystem.

这个区域的高度密集型产业与各种化学品的排放有关，可能会对河流和生态系统构成潜在污染。

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Each standard is the simple reciprocal of an associated CO2 emission reduction scenario.

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History suggests that such a perception is an invitation to aggression, making war more likely and adding further, albeit utterly unquantifiable costs to the potential bill associated with greenhouse gas emission control regimes.

CENTERFORSECURITYPOLICY: Gaffney on global warming

It can use its High Frequency Instrument to look for the infrared emission from dust that is warmed by stars associated with far-off galaxies.

BBC: Science & Environment