Particulate matter in soils and aquatic systems reacts with and influences the biological activity of pesticides. 土壤和水系统中的颗粒物(PM)质都与农药的生物活动起反应,并影响后者。
Samples should be clear and free from particulate matter. 抽样应该是清楚的和没有颗粒状的问题。
Ship operations emit nitrogen oxides, sulfur dioxide, particulate matter, and hazardous pollutants into the air. 船舶作业中把排出的氮氧化物、二氧化硫、微粒物资以及危害性的污染一并散播到空气中。
Composition, health impact and after-treatment technology of particulate matter from diesel vehicle exhaust have been introduced. 本文分析探讨了柴油机排气颗粒物(PM)的组成、危害及后处理技术。
A new wet electrostatic precipitator was designed for removal of fine solid or liquid particulate matter from exhaust gas. 介绍一种用于分离废气中细小固体和液体颗粒物(PM)的新型静电沉降器。