The core method of internal cleaning was taken by improving the diesel design, combined with exhaust's aftertreatment, to study on the diesel particulate control.

本文对控制柴油机微粒的排放进行了深入的研究，采用了以改进柴油机设计为核心的机内净化措施，并与排气后处理措施相结合。

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The approximate stand-still of global temperature during 1940-1975 is generally attributed to an approximate balance of aerosol cooling and greenhouse gas warming during a period of rapid growth of fossil fuel use with little control on particulate air pollution, but quantitative interpretation has been impossible because of the absence of adequate aerosol measurements.

FORBES: Yes! We Should Defund The U.N.'s Intergovernmental Panel On Climate Change