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。
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。
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。
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%。
This includes increased monitoring of particulate matter in the air.
这其中包括对空气中颗粒物监测的增加。
Automatic Drain Filters are highly effective in removing oil and liquid-borne particulate matter.
自动排水过滤器，能够高效地去除油和液体传播的颗粒物质。
The WHO study finds a reduction in air pollutants could lessen deaths from particulate matter by 15 percent.
世界卫生组织的研究发现，空气污染物减少可以让颗粒物造成的死亡降低15%。
Recent studies have shown a significant relationship between ambient particulate matter and cardiovascular diseases.
近年来的研究表明，大气颗粒物可对机体的心血管系统产生不良影响。
Total suspended particulates include fine particulate matter called PM2.5 ― particles with diameters of no more than 2.5 micrometers.
总悬浮粒子包括被称为PM2.5的细颗粒物，即直径不超过2.5微米的颗粒。
The study on elemental speciation in airborne particulate matter (PM) is important for its evaluation of toxicity and source of pollution.
大气颗粒物中元素的种态研究，对评价其毒性和污染来源等有很重要的意义。
Black carbon is part of a chemical mix of particulate matter that has long been an air-pollution concern due to its impacts on human health.
炭黑作为化学颗粒混合物的一部分，鉴于其对人类健康造成的影响，长期以来都被当做一种空气污染物而备受关注。
Air quality is represented by annual mean concentration of fine particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 microns).
空气质量用年平均细颗粒物的浓度表示(PM10至PM 2.5，即粒径小于等于10或2.5微米的细颗粒)。
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。
When burned, waste oil biodiesel is also generally cleaner for the air than diesel, emitting lower levels of pollutants, including particulate matter.
废油制成的生物柴油燃烧后造成的空气污染通常也比柴油要小，包括颗粒物在内的污染物的排放量更少。
Higher long-term average levels of fine particulate matter also led to a higher overall risk of cardiovascular disease events, including stroke and heart attack.
细微不溶性颗粒高水平持续时间越长，引起心血管疾病的总危险性就越高，包括中风和心脏病发作。
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。
Research shows the burning of coal to provide central heating is one of the main reasons for the increase of particulate matter in the atmosphere which causes smog.
研究表明采用烧煤的方式提供中央供暖是造成大气中微粒物质增加的主要原因之一；而微粒物质是引起雾霾的罪魁祸首。
According to the World Health Organization, the main components of particulate matter are sulfate, nitrates, ammonia, sodium chloride, carbon, mineral dust and water.
据世界卫生组织称，微粒物的主要成分为硫酸盐、硝酸盐、氨、氯化钠、碳、矿物性粉尘和水。
Scientists have known for a long time that aerosols such as soot, dust and other small particulate matter, alter cloud density and the radiative balance of the atmosphere.
科学家们很早之前就发现，诸如煤烟、灰尘和其他细小的微粒，能改变云体的密度及大气的辐射平衡。
The Guidelines indicate that by reducing particulate matter (PM10) pollution from 70 to 20 micrograms per cubic metre, we can cut air quality related deaths by around 15%.
该准则指明，将颗粒物(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%。
Details to be revealed, but there is likely to be an expansion of the pollutant targets to include nitrogen oxide, ammonia and, possibly, PM2.5 small particulate matter.
细节还有待发布，但是扩大后的污染物治理目标可能会将二氧化氮、氨和PM 2.5包括进去。
Monitoring of particulate matter concentration is the basis for urban air quality evaluation and pollution control, and also very important for health effects assessment.
颗粒物浓度监测不仅是评价城市空气质量的基础，而且是进行城市污染控制与环境健康效应评估的重要依据。
Monitoring of particulate matter concentration is the basis for urban air quality evaluation and pollution control, and also very important for health effects assessment.
颗粒物浓度监测不仅是评价城市空气质量的基础，而且是进行城市污染控制与环境健康效应评估的重要依据。
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