QQ客服 官方微博 反馈留言

浏览/检索结果: 共10条，第1-10条 帮助 限定条件 专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Humidity plays an important role in the PM2.5 pollution in Beijing 期刊论文 environmental pollution, 2015 Cheng, Yuan; He, Ke-bin; Du, Zhen-yu; Zheng, Mei; Duan, Feng-kui; Ma, Yong-liang 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/11 PM2.5  Chemical composition  Meteorological parameter  SOA  Aqueous-phase reaction  MASS SIZE DISTRIBUTIONS  CHEMICAL CHARACTERISTICS  SOURCE APPORTIONMENT  AEROSOL  CHINA  WATER  NITRATE  PARTICLES  MECHANISM  EMISSIONS   Ambient organic carbon to elemental carbon ratios: Influence of the thermal-optical temperature protocol and implications 期刊论文 science of the total environment, 2014 Cheng, Yuan; He, Ke-bin; Duan, Feng-kui; Du, Zhen-yu; Zheng, Mei; Ma, Yong-liang 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 PM2 (5)  OC  EC  SOA  WSOC  Biomass burning  AEROSOL LIGHT-ABSORPTION  FINE PARTICULATE MATTER  BLACK CARBON  CHEMICAL-COMPOSITION  SOURCE APPORTIONMENT  BROWN CARBON  CHINA  PHASE  IDENTIFICATION  DEPENDENCE   The characteristics of Beijing aerosol during two distinct episodes: Impacts of biomass burning and fireworks 期刊论文 environmental pollution, 2014 Cheng, Yuan; Engling, Guenter; He, Ke-bin; Duan, Feng-kui; Du, Zhen-yu; Ma, Yong-liang; Liang, Lin-lin; Lu, Zi-feng; Liu, Jiu-meng; Zheng, Mei; Weber, Rodney J. 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/11 Secondary aerosol  Biomass burning  Firework  Levoglucosan  WSOC  FINE-PARTICLE EMISSIONS  PULSED-AMPEROMETRIC DETECTION  WOOD STOVE COMBUSTION  CHEMICAL-CHARACTERIZATION  UNITED-STATES  FIREPLACE COMBUSTION  ORGANIC AEROSOLS  PHOTOCHEMICAL OXIDATION  ATMOSPHERIC PARTICLES  SIZE DISTRIBUTIONS   Sampling artifacts of organic and inorganic aerosol: Implications for the speciation measurement of particulate matter 期刊论文 大气环境, 2012 Cheng, Yuan; Duan, Feng-Kui; He, Ke-bin; Du, Zhen-yu; Zheng, Mei; Ma, Yong-liang 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 Denuder  Sampling artifact  Nitrate  OC  Chemical composition  Speciation measurement  CARBONACEOUS AEROSOLS  PM2.5  NITRATE  CHINA  FINE  EMISSIONS  MASS   Characterization of carbonaceous aerosol by the stepwise-extraction thermal-optical-transmittance (SE-TOT) method 期刊论文 大气环境, 2012 Cheng, Yuan; He, Ke-bin; Duan, Feng-kui; Du, Zhen-yu; Zheng, Mei; Ma, Yong-liang 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 Carbonaceous aerosol  SOA  Brown carbon  Biomass burning  SECONDARY ORGANIC AEROSOL  LIGHT-ABSORPTION MEASUREMENTS  SOUTHEASTERN UNITED-STATES  ELEMENTAL CARBON  SOURCE APPORTIONMENT  BLACK CARBON  CHEMICAL-COMPOSITION  PARTICULATE MATTER  MASS-SPECTROMETER  AMBIENT AEROSOL   Intercomparison of thermal-optical method with different temperature protocols: Implications from source samples and solvent extraction 期刊论文 大气环境, 2012 Cheng, Yuan; Duan, Feng-kui; He, Ke-bin; Du, Zhen-yu; Zheng, Mei; Ma, Yong-liang 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 OC  EC  Thermal-optical  Temperature protocol  Charring  THERMAL/OPTICAL CARBON ANALYSIS  ELEMENTAL CARBON  PARTICULATE MATTER  ORGANIC-CARBON  DIESEL EXHAUST  AEROSOL  CHINA  QUANTIFICATION  TRANSMITTANCE  REFLECTANCE   Intercomparison of Thermal-Optical Methods for the Determination of Organic and Elemental Carbon: Influences of Aerosol Composition and Implications 期刊论文 environmental science technology, 2011 Cheng, Yuan; Duan, Feng-kui; He, Ke-bin; Zheng, Mei; Du, Zhen-yu; Ma, Yong-liang; Tan, Ji-hua 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/16 BIOMASS BURNING CONTRIBUTION  SAMPLING ARTIFACTS  LIGHT-ABSORPTION  BEIJING AEROSOL  BLACK CARBON  TEMPERATURE  IDENTIFICATION  REFLECTANCE  PROTOCOL  IMPROVE   Ambient organic carbon to elemental carbon ratios: Influences of the measurement methods and implications 期刊论文 大气环境, 2011 Cheng, Yuan; He, Ke-bin; Duan, Feng-kui; Zheng, Mei; Du, Zhen-yu; Ma, Yong-liang; Tan, Ji-hua 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/12 Positive artifact  Thermal-optical reflectance  Thermal-optical transmittance  Secondary organic aerosol  Water-soluble organic carbon  SOUTHEASTERN UNITED-STATES  FINE PARTICULATE MATTER  LIGHT-ABSORPTION  BLACK CARBON  ATMOSPHERIC AEROSOLS  SOURCE APPORTIONMENT  SAMPLING ARTIFACTS  COMBUSTION  CLIMATE  CHINA   A 3D SoC design for H.264 application with on-chip DRAM stacking 其他 2010-01-01 Zhang, Tao; Wang, Kui; Feng, Yi; Chen, Yan; Li, Qun; Shao, Bing; Xie, Jing; Song, Xiaodi; Duan, Lian; Xie, Yuan; Cheng, Xu; Lin, Youn-Long 收藏  |  浏览/下载：6/0  |  提交时间：2015/11/13 A customized design of DRAM controller for on-chip 3D DRAM stacking 其他 2010-01-01 Zhang, Tao; Wang, Kui; Feng, Yi; Song, Xiaodi; Duan, Lian; Xie, Yuan; Cheng, Xu; Lin, Youn-Long 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/13