细颗粒物

PM2.5均占到了50%以上，说明窑头、窑尾和水泥磨除尘器后的颗粒物主要以细颗粒物为主。

PM2.5 have accounted for more than 50 % , the particles after dust remover of kiln head 、 kiln tail and cement mill were mainly fine particulate matter .

该报道称，北京地区的危险细颗粒物浓度降到「国际公认的安全水平」需要16年的时间。这种细颗粒物的直径不足2.5微米，因此被称为PM2.5。

The article went on to say that it would be 16 years before levels of dangerous fine particulate matter in the Chinese capital would drop to an " internationally recognized safe level . " The fine particulate matter is known as PM 2.5 because its diameter is less than 2.5 microns .

沙尘暴细颗粒物的DNA损伤及氧化应激作用

DNA Damage and Oxidative Stress Effects of Dust Storm Fine Particles

大气细颗粒物致大鼠肺泡巨噬细胞DNA损伤

Damage of atmospheric fine particles on DNA in alveolar macrophages of rats

北京城区大气细颗粒物对肺腺癌细胞炎性作用及NF-кB表达的影响

Role of Nuclear Factor-kappa B Activation in Inflammatory Effect Induced by PM2.5 from Beijing Urban Area in A549 Cells

本论文对沙尘暴细颗粒物的DNA损伤和氧化应激作用进行了研究。

In this study , we investigated the DNA damage and oxidative stress effects of dust storms fine particles .

背景：细颗粒物（FineParticulateMatter，PM2.5）室外浓度已经证实与心血管疾病有联系。

Background . Concentrations of outdoor fine particulate matter ( PM2.5 ) have been associated with cardiovascular disease .

杭州市大气细颗粒物PM（2.5）中多环芳烃含量特征研究

Study on the Pollution Characteristics of PAHs in Ambient PM_ ( 2.5 ) of Hangzhou City

燃煤飞灰中细颗粒物（PM（2.5））的物理化学特性

Physiochemical Characteristic of Fine Particle ( PM_ ( 2.5 )) in Fly Ash from Coal Combustion

大气细颗粒物PM（2.5）对大鼠睾丸组织细胞周期的影响

Effects of PM_ ( 2.5 ) on the Cell Cycle of Testis Spermatogenic Cells in Rats

所谓大气细颗粒物（PM（2.5））是指空气动力学当量直径≤2.5μm的悬浮颗粒物。

The meaning of airborne fine particles ( PM_ ( 2.5 )) is particles with aerodynamic diameter less than 2.5 μ m.

PM2.5细颗粒物对重金属的载带能力较TSP和IP更强，对人体健康的危害更大。

PM2.5 carries more heavy metals than TSP and IP , so it is much more harmful to human health .

三年前，中国没有任何城市公布PM2.5[细颗粒物]数据。如今已经有380个城市在这么做。

Three years ago no cities in China released PM 2.5 [ fine particulate matter ] data . Today there are 380 that do .

空气细颗粒物（PM2.5）生物效应指标研究进展

Advances on the biological effect indices for fine particles ( PM2.5 ) in air

2012年，成功发射了环境一号C星，细颗粒物（PM2.5）被纳入空气质量常规监测指标。

Since China sent its HJ-1C satellite into space in 2012 , fine particles ( PM2.5 particles ) have been included in the air quality index .

目的探讨沙尘暴细颗粒物（PM2.5）对人外周血淋巴细胞的遗传损伤。

Objective To investigate the genetic damage of dust storm fine particles on human blood lymphocytes .

目的探讨空气细颗粒物（PM2.5）与结节病之间的关系。

Purpose To study the relation between air particulate matter 2.5 ( PM2.5 ) and sarcoidosis .

结合前沿推进的Delaunay三角化网格生成及应用大气二次细颗粒物形成机理的前沿研究

Delaunay Triangulation for Internal Node Generation in Frontal Approach and Application Advances in the Mechanism of Secondary Fine Particulate Matters Formation

在美国，此类面罩接受国家职业安全与卫生研究所（NationalInstituteforOccupationalSafetyandHealth）的检测，要想过关必须证明能过滤空气中至少95%的细颗粒物。

In the United States , such masks get tested by the National Institute for Occupational Safety and Health and must be shown to keep out at least 95 percent of all tiny airborne particles to gain approval .

这种细颗粒物的直径不足2.5微米，因此被称为PM2.5。

The fine particulate matter is known as PM 2.5 because its diameter is less than 2.5 microns .

运用单细胞凝胶电泳技术，研究了太原市大气细颗粒物（PM2.5）对分离的大鼠肺泡巨噬细胞DNA的损伤作用。

Damage from atmospheric fine particles ( PM2.5 ) in isolated DNA of alveolar macrophages of rats in Taiyuan City was studied applying single cell gel electrophoresis technique .

济南市环境空气细颗粒物（PM10和PM2.5）污染特征研究

Study on the Pollution Characteristics of Airborne Fine Particulate Matter ( PM10 and PM2.5 ) in Jinan

常见的为可吸入颗粒物（PM10）和细颗粒物（PM2.5）。

Inhalable particulate matter ( PM10 ) and fine particulate matter ( PM2.5 ) are common PM .

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。

Total suspended particulates include fine particulate matter called PM2.5 ― particles with diameters of no more than 2.5 micrometers .

美国宇航局地球观测站（NASAEarthObservatory）刚刚宣布，中国东北城市哈尔滨的细颗粒物（PM2.5）浓度高达每立方米1000微克。

The NASA Earth Observatory just announced that the northern city of Harbin saw concentrations of fine particulate matter ( PM2.5 ) as high as 1,000 micrograms per cubic meter .

来源分析表明，TSP中的细颗粒物主要来源于煤的燃烧、车辆的损耗、土壤逸尘及水泥颗粒。

The sources analysis indicated that the fine particles in TSP mainly originated from coal combustion , traffic emission , vehicles exhaust , fugitive soil and cement particulate matter .

冬季，TSP中约76%的气溶胶是细颗粒物；而春季，TSP中50%以上的的气溶胶分布在粗颗粒物中。

In winter , about 76 % of the aerosol in TSP were fine particules ; while more than 50 % of aerosol in TSP was coarse mode in spring .

目的探讨扬沙和沙尘暴细颗粒物（PM2.5）对肺泡巨噬细胞（AM）的毒作用机制。

Objective To investigate the hazards of blowing sand and dust storm fine particulate matter ( PM_ ( 2.5 )) on rat alveolar macrophage membranes .

其中细颗粒物（PM2.5）由于能够进入人体呼吸系统，甚至能穿透肺细胞进入血液循环，从而对人体健康造成更大的危害。

Because PM2.5 can enter human respiratory system , even penetrate through lung cells into the blood circulation , it bring worse harms to human health .

研究了小龙潭电厂燃煤飞灰中细颗粒物的粒径分布、显微结构、颗粒类型以及As，Se，Cd，Pb，Cr和Be等6种微量重金属在不同粒径中的分布规律。

Granularity distribution , microstructure , particular type and heavy metals such as As , Se , Cd , Pb , Cr and Be in fly ash were studied under different particle diameters for fly ash from Xiaolongtan Power Plant .