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Organic nitrogen in PM2.5 aerosol at a forest site in the Southeast US
Organic nitrogen PM2.5 aerosol forest site Southeast US
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2010/3/5
There is growing evidence that organo-nitrogen compounds may constitute a significant fraction of the aerosol nitrogen (N) budget. However, very little is known about the abundance and origin of this ...
用同步辐射XRF研究上海市郊区昼夜大气颗粒物PM2.5元素分布特征
PM2.5 质量浓度 元素浓度 同步辐射XRF
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2009/10/10
The characteristics of daytime and nighttime suburbs PM2.5 in Shanghai were analyzed by synchrotron based X-ray fluorescence during the period of October, 2006 and November, 2007. The mass concentrati...
用同步辐射X荧光探针研究上海市2007年单个PM2.5 颗粒物的来源
synchrotron X-ray fluorescence microprobe PM2.5 individual particle analysis
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2009/10/10
In order to further understand the sources of PM2.5 in Shanghai air, the synchrotron X-ray fluorescence microprobe at the BL-4A Beamline of Photon Factory of High Energy Accelerator Research Organizat...
Inverse modeling and mapping US air quality influences of inorganic PM2.5 precursor emissions using the adjoint of GEOS-Chem
US air quality influences inorganic PM2.5 precursor emissions GEOS-Chem
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2009/8/25
Influences of specific sources of inorganic PM2.5 on peak and ambient aerosol concentrations in the US are evaluated using a combination of inverse modeling and sensitivity analysis. First, sulfate an...
ICP-MS用于北京市PM2.5中铅及其同位素的形态分析
电感耦合等离子质谱 化学形态分析 铅同位素 PM2.5
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2009/5/8
对2005年9月至2006年5月所采集的24份北京市PM2.5样品进行序列连续提取,分别得到水溶态、脂溶态和不溶态3个分量的铅;在最佳仪器工作条件下,采用电感耦合等离子体质谱(ICP-MS)测定上述各分量中铅的浓度及同位素比值。采用GBW09133考察铅浓度测定的准确度,并用SRM 981标准铅试剂校正质量歧视效应和仪器漂移。结果表明,采用ICP-MS分析大气PM2.5中不同形态铅浓度及同位素比值...
Elemental content of PM2.5 aerosol particles collected in Göteborg during the Göte-2005 campaign in February 2005
Elemental content PM2.5 aerosol particles Gö te-2005 campaign
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2009/5/7
The Göte–2005 measurement campaign aimed at studying the influence of the winter thermal inversions on urban air pollution. Elemental speciation of PM2.5 aerosol particles, collected on Teflon fi...
Evaluation and application of a semi-continuous chemical characterization system for water soluble inorganic PM2.5 and associated precursor gases
Evaluation application semi-continuous chemical characterization system water soluble inorganic PM2.5
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2010/2/8
Water soluble inorganic particles components (Cl−, SO42−, NO3−, and NH4+) and concentrations of their associated precursor gases (HCl, SO2, HNO3, NH3) were semi-continuously measured...
Summertime PM2.5 ionic species in four major cities of China: nitrate formation in an ammonia-deficient atmosphere
PM2.5 ionic species China nitrate formation ammonia-deficient atmosphere
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2009/3/13
Strong atmospheric photochemistry in summer can produce a significant amount of secondary aerosols, which may have a large impact on regional air quality and visibility. In the study reported herein,...
Attribution of projected changes in summertime US ozone and PM2.5 concentrations to global changes
projected changes summertime US ozone PM2.5 concentrations global changes
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2009/3/13
The impact that changes in future climate, anthropogenic US emissions, background tropospheric composition, and land-use have on summertime regional US ozone and PM2.5 concentrations is examined throu...
Exploring the relation between aerosol optical depth and PM2.5 at Cabauw, the Netherlands
aerosol optical depth PM2.5 at Cabauw Netherlands
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2009/3/13
Estimates of PM2.5 distributions based on satellite data depend critically on an established relation between AOD and ground level PM2.5. In this study we performed an experiment at Cabauw to establis...
Polar organic compounds in rural PM2.5 aerosols from K-puszta, Hungary, during a 2003 summer field campaign: Sources and diel variations
Polar organic compounds rural PM2.5 aerosols K-puszta diel variations
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2009/2/12
In the present study, we examined PM2.5 continental rural background aerosols, which were collected during a summer field campaign at K-puszta, Hungary (4 June-10 July 2003), a mixed coniferous/decidu...
To what extent can aerosol water explain the discrepancy between model calculated and gravimetric PM10 and PM2.5?
extent can aerosol water PM10 PM2.5
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2009/2/6
Inter-comparisons of European air quality models show that regional transport models, including the EMEP (Co-operative Programme for monitoring and evaluation of the long-range transmission of air pol...
大气颗粒物PM10和PM2.5元素组成的中子活化分析
仪器中子活化分析 大气颗粒物 富集因子
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2009/1/4
在北京市郊区设立采样点,使用Gent采样器收集PM10(直径小于10μm)和PM2.5(直径小于2.5μm)大气颗粒物。利用仪器中子活化分析(INAA)法对2005年春、夏两季采集的样品进行测量,用k0法中子活化分析(ADVNAA软件)对元素含量进行定量计算,得出春季PM2.5平均浓度为41.43μg/m3,PM10平均浓度为140.82μg/m3;夏季PM2.5平均浓度为50.63μg/m...
Sensitivity of PM2.5 to climate in the Eastern US: a modeling case study
PM2.5 climate Eastern US modeling case
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2008/12/17
The individual effects of various meteorological parameters on PM2.5 concentrations in the Eastern US are examined using the PMCAMx chemical transport model so that these effects and their relative ma...
分子标记辅助选择聚合小麦抗白粉病基因Pm2、Pm4a、Pm21的聚合体.
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2007/7/28
期刊信息
篇名
分子标记辅助选择聚合小麦抗白粉病基因Pm2、Pm4a、Pm21的聚合体.
语种
中文
撰写或编译
撰写
作者
高安礼,何华纲,陈全战,张守忠,陈佩度
第一作者单位
南京农业大学
刊物名称
作物学报
页面
31(11):1400-1405
出版日期
2005年
11月
12日
文章标识(ISSN)
0496-3490
相关项目
小片段小麦异易位系的高效诱致和精确鉴定