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| 1 | Effect of chemical composition of PM_(2.5) on visibility in Guangzhou,China,2007 spring显示文摘The object of this study was to investigate the correlation of visibility with chemical composition of PM2.5 in Guangzhou. In April 2007, 28 PM2.5 samples were collected daily at the monitoring station of the South China Institute of Environmental Sciences (SCIES), in urban Guangzhou. Water-soluble ionic species (Cl-, NO3-, SO42-, NH4+, K+, Na+, Ca2+, and Mg2+) and carbonaceous contents (OC and EC) of the PM2.5 samples were determined to characterize their impact on visibility impairment. The results showed that sulfate was the dominant species that affected both light scattering and visibility. The average percentage contributions of the visibility-degrading species to light scattering coefficient were 40% for sulfate, 16% for nitrate, 22% for organics, and 22% for elemental carbon. Because of its foremost effect on visibility, sulfate reduction in PM2.5 would effectively improve the visibility of Guangzhou. | Jun Tao Kin-Fai Ho Laiguo Chen Lihua Zhu Jinglei Han Zhencheng Xu | 2009 | Particuology2009，7，1： | 75 |
| 2 | Contents and sources of polycyclic aromatic hydrocarbons and organochl0rine pesticides in vegetable soils of Guangzhou, China 显示文摘 | Chen Laiguo Ran Yong | 2005 | Chemosphere2005，60，： | 1 |
| 3 | Variation trends and influencing factors of total gaseous mercury in the Pearl River Delta—A highly industrialised region in South China influenced by seasonal monsoons显示文摘 | Laiguo Chen Ming Liu Zhencheng Xu Ruifang Fan Jun Tao Duohong Chen Deqiang Zhang Donghai Xie Jiaren Sun | 2013 | Atmospheric Environment2013，，： | 1 |
| 4 | PBDEs insediments of the Beijiang River,China:levels,distribution,andinfluence of total organic carbon显示文摘 | CHEN Laiguo HUANG Yumei PENG Xiaochun | 2009 | Chemosphere2009，76，2： | 1 |
| 5 | Mercury emissions from natural surfaces highly impacted by human activities in Guangzhou province, South China显示文摘 | Xuewu Fu Xinbin Feng Hui Zhang Ben Yu Laiguo Chen | 2012 | Atmospheric Environment2012，，： | 1 |
| 6 | Contents and sources of polycyclic aromatic hydrocarbons and organochlorine pesticides in vegetable soils of Guangzhou, China显示文摘 | Laiguo Chen Yong Ran Baoshan Xing Bixian Mai Jianghua He Xiuguo Wei Jiamo Fu Guoying Sheng | 2005 | Chemosphere2005，，7： | 1 |
| 7 | Bioaccumulation and biomagnification of persistent organic pollutants in Indo-Pacific humpback dolphins ( Sousa chinensis ) from the Pearl River Estuary, China显示文摘 | Duan Gui Riqing Yu Xuan He Qin Tu Laiguo Chen Yuping Wu | 2014 | Chemosphere2014，，： | 1 |
| 8 | Diastereoiso- mer- and enantiomer-specific profiles of hexabromocyclodo-decane in the atmosphere of an urban city in south China 显示文摘 | Yu Zhiqiang Chen Laiguo Mai Bixian | 2008 | Environmental Science and Technology2008，42，11： | 1 |
| 9 | In-and out- door sources of polybrominated diphenyl ethers and their hu- man inhalation exposure in Guangzhou, China显示文摘 | Chen Laiguo Mai Bixian Xu Zhencheng | 2008 | Atmo- spheric Environment2008，42，1： | 1 |
| 10 | Contents and sources of polycyclic aromatic hydrocarbons and organochlorine pesticides in vegetable soils of Guangzhou,China显示文摘 | CHEN Laiguo RAN Yong MAI Bixian | 2005 | Chemosphere2005，60，7： | 1 |
| 11 | Concentration lev- els, compositional profiles and gas-particle partitioning of polybrominated diphenyl ethers in the atmosphere of an urban city in south China显示文摘 | Chert Laiguo Mai Bixian Bi Xinhui | 2006 | Environmental Science and Techno- logy2006，40，4： | 1 |
| 12 | Concentration levels, compositional profiles and gas-particle partitioning of polybrominated dipuenyl ether in the atmosphere of an urban city in South China显示文摘 | Chen Laiguo Mai Bixian Bi Xinhui | 2006 | Enironmental Science &Technology2006，40，4： | 1 |
| 13 | Contents and sources of polycyclic aromatic hydrocarbons and organochlorine pesticides in vegetable soils of Guangzhou, China显示文摘 | CHEN Laiguo RAN Yong XING Baoshan | 2005 | Chemosphere2005，60，7： | 1 |
| 14 | Spatial trend and pollution assessment of total mercury and methylmercury pollution in the Pearl River Delta soil,South China显示文摘 | CHEN Laiguo XU Zhencheng DING Xiaoyong | 2012 | Chemosphere2012，88，： | 1 |
| 15 | Concentration levels,compositional profiles,and gas-particle partitioning of polybrominated diphenyl ethers in the atmosphere of an urban city in South China显示文摘 | CHEN Laiguo MAI Bixian BI Xinhui | 2006 | Environmental Science & Technology2006，40，4： | 1 |
| 16 | In- and outdoor sources of polybrominated diphenyl ethers and their human inhalation exposure in Guangzhou, China显示文摘 | Laiguo Chen Bixian Mai Zhencheng Xu Xiaochun Peng Jinglei Han Yong Ran Guoying Sheng Jiamo Fu | 2007 | Atmospheric Environment2007，，1： | 1 |
| 17 | Contents and sources of polycyclic aromatic hydrocarbons and organochlorine pesticides in vegetable soils of Guangzhou, China显示文摘 | Chen Laiguo Ran Yong | 2005 | Chemosphere2005，60，： | 1 |
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