pollutant

音標(biāo)發(fā)音

Since 1979 China has collected 24.7 billion yuan in pollutant discharge fees.
1979年以來,全國共征收排汙費247億元.
Knowledge of any given exposure to air pollutant mixtures is largely inadequate.
關(guān)於任何特定的暴露於空氣汙染混郃物中的知識,都是極爲(wèi)欠缺的.
We will display all descriptive and identifying date for each pollutant source.
我們列出每個汙染源的所有說明性和標(biāo)準(zhǔn)性的數(shù)據(jù).
This chapter describes methods of estimating airborne pollutant concentration distrubutions associated with various emission sources.
本章論述幾種有關(guān)各種排放源的大氣汙染物濃度分佈的估算方法.
At any time the macrophage system might be injured by viral infection or air pollutant exposure.
巨噬細(xì)胞隨時都可能受病毒感染或空氣汙染物所損傷.

Pollutants are substances that pollute the environment, especially gases from vehicles and poisonous chemicals produced as waste by industrial processes.

汙染
The air pollutant dispersion models on different types of road are discussed.
本文研究了三種典型道路空氣中NOx汙染物的擴散模式。
汙染物