研究表明，城市悬浮微粒物质的增加会带来每日心脏性猝死、急症室病症以及如愿人数的增多。
Research shows spikes in cardiac deaths, emergency room visits, and hospital admissions in the hours and days that follow a spike in cities' levels of particulate matter.
世界气象组织的科学家对地面臭氧、烟雾、空气悬浮微粒子、二氧化硫、一氧化碳之类的污染物质进行评估监测。
WMO scientists assess and monitor air pollutants such as ground-level ozone, smog, particulate matter, sulfur dioxide and carbon monoxide.
胶体微粒可很容易地放入悬浮体中，但从悬浮体中沉降的速度慢于粘土颗粒大小的物质。
Colloids are easily put in suspension but settle out of suspension slower than clay-sized material.
胶体微粒可很容易地放入悬浮体中，但从悬浮体中沉降的速度慢于粘土颗粒大小的物质。
Colloids are easily put in suspension but settle out of suspension slower than clay-sized material.
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