Estimates suggest that for every cubic meter of vent discharge, 350 milligrams of particulate organic material would be advected into the vent area.

据估计，每立方米排气口所排出的物质中，就有350毫克的有机颗粒物质被平流输送到排气口区域。

Most deep-sea faunas rely for food on particulate matter, ultimately derived from photosynthesis, falling vent would dwarf any contribution from advection.

大多数深海动物依靠颗粒物质作为食物，这些颗粒物质最终来自于光和作用，下降的排放口会使平流的作用相形见绌。

The feasibility of preparation of particulate activated carbon from char of cocoa nut husk by water vapour microwave was studied.

研究了以椰壳炭化料为原料，采用水蒸气微波法制备颗粒活性炭的可行性。

These remains are known in the jargon as particulate organic matter.

术语上这些残骸被称为有机粉尘。

Particulate matter, health and environment. Accessed February 21, 2011.

《悬浮颗粒、健康与环境》于2011年2月21日通过。

Most biological particulate filters remove particle sizes as small as 0.3 microns.

多数生物微粒过滤器可以除去0.3微米以上的微粒。

The 2005 AQG set for the first time a guideline value for particulate matter (PM).

2005年空气质量准则第一次为可吸入颗粒物（PM）确定了一项指导值。

Renewable diesel also creates far fewer sulfur dioxide, particulate, and nitrogen oxide emissions.

同时，可再生柴油排放的二氧化硫物、颗粒物和氮氧化物等要小得多。

Fine particulate matter is linked to respiratory ailments, heart disease, stroke and premature death.

微细颗粒物跟呼吸系统疾病、心脏病、中风和早逝有关。

In a gas mask designed to guard against a biological threat, a very fine particulate filter is useful.

预防生物威胁时，优良的微粒过滤器对防毒面具非常有用。

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。

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。

A chemical threat needs a different approach, because chemicals come as mists or vapors that are largely immune to particulate filtration.

化学威胁需要不同的防护手段，因为化学品以雾或蒸气的形式存在，微粒过滤器对它们无效。

GM claims that compared with conventional diesels, its new buses also churn out 90 percent less particulate matter — a known carcinogen.

美国通用汽车公司声称，同传统柴油机相比，他们的这种新型汽车还能把产生的某种物质——一种已知的致癌物减少90%。

By reducing particulate matter (PM10) pollution from 70 to 20 micrograms per cubic metre, we can cut air quality related deaths by around 15%.

将可吸入颗粒物(PM 10)从每立方米70微克减少到20微克，则与空气质量有关的死亡就可减少大约15%。

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

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。

If you have ever held a cloth or handkerchief over your mouth to keep dust out of your lungs, you have created an improvised particulate filter.

如果你曾经用布或手绢捂住嘴来阻挡灰尘吸入，那么你就自创了简易微粒过滤器。

We tell you not only are they teeming with life, but the planets and stars and the space particulate between are themselves all conscious beings.

我们告诉你，不只那些(有形体)上满布着生命体，而且行星、星体和空间微粒之间也满布着有意识的存有。

Particulate pollution, a major ingredient of hazy skies, has been linked to higher death rates from asthma, heart disease, and other ailments.

一般认为死于哮喘，心脏病和其它疾病的人数增加与灰色空气中的主要成分颗粒污染物有关。

Even accounting for the new analysis, natural gas-which also emits less toxic and particulate pollution-offers a significant environmental advantage.

即便如此，天然气仍然以有毒物质少、颗粒污染物少的特征而具备显著的环境优势。

Fine particulate matter - particles smaller than 2.5 micrometers - can evade hairlike projections in the nose and trachea that trap larger particles.

细颗粒物——小于2.5微米的颗粒——能躲过鼻子和气管中绒毛的保护作用。

The smoky stoves that many of them use, the World Health Organisation reckons, produce particulate pollution that causes around 2m premature deaths a year.

世界卫生组织估计，他们当中许多人使用的炉子会产生很多烟，其中的微粒污染物每年都会导致近200万人提前死亡。

More severe burning also raises a number of health concerns, as fire emissions contain mercury and particulate matter that can cause respiratory issues, said Turetsky.

越来越严重的山火也带来了许多健康威胁，因为山火燃烧后的排放物中含有汞金属以及可以引起呼吸系统疾病的微小颗粒状物质，特莱特·斯基说。