particulate matter

基本解释

The Clean Air Act mandates the EPA to regulate harmful pollutants such as particulate matter and ozone.
《清洁空气法》授权美国环保局监管有害污染物，如微粒物质和臭氧。
We've seen in previous Games how the weather can affect the marathon. Mix in some ozone and particulate matter, and you have a very unkind and unpredictable race.
我们都曾在以前的奥运赛事中见证糟糕的天气是怎样影响马拉松比赛结果的，一旦空气中掺杂上臭氧和颗粒的成分，比赛结果将是很难预料的。
Particulate matter, particularly black carbon from cooking fires and coal-fired plants in India, is the real culprit.
悬浮微粒、特别是印度地区，生产和生活燃煤所带来的炭黑，才是真正的元凶。

WMO scientists assess and monitor air pollutants such as ground-level ozone,smog, particulate matter, sulfur dioxide and carbon monoxide.

Ultrafine particulate matter refers to nanoscale particulate matter, smaller than 0.1 micron (100 nanometers) in size.
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They promise lower emissions of nitrogen oxides, sulfur oxides, particulate matter, and carbon dioxide (CO2).
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By the time a car achieves Euro V standards, emissions of NOx and particulate matter are negligible.
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颗粒物
Heavy fog is conducive to the formation of fine particulate matter, and is not conducive to the horizontal and vertical diffusion of particles.
大雾天气空气湿度大,有利于细颗粒物形成,不利于颗粒物的水平和垂直扩散。
微粒物质

不溶性微粒
OBJECTIVE To establisha testing method for measuring the particulate matter in human albumin and to ensure the safety of clinical drug use in hospital.
目的:建立人血白蛋白不溶性微粒检测的方法,保障医院临床用药安全。
地球科学
颗粒物
As the third largest river all over the world, Changjiang River inputs large amount of water and particulate matter to the East China Sea.
作为世界第三大河流的长江,输入到东海巨量的淡水和颗粒物,对东海的碳循环过程影响巨大。
物理学
颗粒物质