Single gene index method and complex pollution indices method are used in this paper to evaluate the actuality of the water pollution in the watershed of the Futuan river.

运用单因子指数法和综合污染指数法对傅疃河流域的水环境污染现状进行了评价；

youdao

The effects of acid rain, dust fall and their complex pollution on the growth and feeding behavior of cabbage caterpillar have been studied by indoor simulation experiment.

通过室内模拟试验探讨了酸雨、降尖及其复合污染对菜青虫生长发育和取食行为的影响。

youdao

PM10 is an important indicator of urban air pollution, and the health risks associated with the complex mixtures of pollutants typically found in cities.

PM 10是城市空气污染以及在城市中通常发现的与污染物的复杂混合物相关健康风险的一项重要指标。

youdao

As big trading firms Morgan Stanley and Merrill Lynch push into the market, boutique brokerages like Evolution must deal in complex custom trades, combining pollution credits with other derivatives in deals that help companies mitigate several risks at once.

FORBES: Magazine Article