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东莞市大气亚微米粒子PM1及其中水溶性无机离子的污染特征
PM1 水溶性无机离子 粒子酸性 粒径分布特征
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2014/1/8
2011年8月—2012年7月期间,利用中流量(100 L·min-1)大气采样器对东莞市A和B两点(A:生活区,B:工业区)进行PM1、PM1~2.5、PM2.5~10采样,并定量分析颗粒物上F-、Cl-、NO3-、SO42-、NH4+、Na+、K+、Ca2+、Mg2+等9种水溶性无机离子.分析结果显示,工业区B点的细粒子污染较生活区A点严重,B点PM1质量浓度年均值为48 μg·m-3,其浓度...
Variations in Mass of the PM10, PM2.5 and PM1 during the Monsoon and the Winter at New Delhi
Particulate matters Visibility Washout pattern Time-series variations Mean mass scavenging coefficient
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2016/3/28
PM10, PM2.5 and PM1 mass concentrations have been measured at Delhi (28°35'N; 77°12'E) during the August to
December 2007. The running mean of PM10, PM2.5 and PM1 data shows large variations. The PM1...
北京冬季PM1中有机气溶胶的高分辨率气溶胶质谱观测
高分辨率气溶胶质谱 有机气溶胶 粒径分布 元素组成 正矩阵因子解析(PMF)
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2013/8/15
有机气溶胶(OA)是大气细粒子中的重要组分, 其化学组成和来源的识别对有效控制颗粒物污染水平具有重要意义. 利用高分辨率气溶胶飞行质谱对北京2010 年冬季亚微米气溶胶(PM1)中OA 质量浓度和粒径分布进行了高时间分辨率(5 min)的在线测定, 以了解其化学特征及来源. 结果表明, 北京冬季OA 的平均浓度为20.9±25.3 μg/m3, 最小值与最大值分别为1.9 和284.6 μg/m3...
Chemical composition of PM10 and PM1 at the high-altitude Himalayan station Nepal Climate Observatory-Pyramid (NCO-P) (5079 m a.s.l.)
Chemical composition PM10 PM1 the high-altitude Himalayan station Nepal Climate Observatory-Pyramid
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2010/8/13
We report chemical composition data for PM10 and PM1 from the Nepal Climate Observatory-Pyramid (NCO-P), the world's highest aerosol observatory, located at 5079 m a.s.l. at the foothills of Mt. Evere...
Urban Aerosol Studies of PM1 Size Fraction with Reference to Ambient Conditions and Visibility
PM1 Urban aerosol Size distribution Aerosol extinction coefficient Nanoparticles
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2016/3/29
Mass measurement of ambient PM10 and PM2.5 size fractions is a rather well established technique. However there is a
broad consensus in the scientific community about the importance of smaller partic...
Chemical composition of free tropospheric aerosol for PM1 and coarse mode at the high alpine site Jungfraujoch
Chemical composition free tropospheric aerosol PM1 coarse mode alpine site Jungfraujoch
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2008/10/27
The chemical composition of submicron (fine mode) and supermicron (coarse mode) aerosol particles has been investigated at the Jungfraujoch high alpine research station (3580 m a.s.l., Switzerland) a...