Showing 121 - 140 results of 175 for search 'Air China', query time: 0.08s Refine Results
  1. 121

    Chemical Composition Characteristics and Source Apportionment of PM2.5 in Ceramic Industrial Base during Winter by Xiang Tu, Xiaozhen Fang, Hansun Fang, Changlin Ye, Zugen Liu, Xuehui Jia, Dan He, Jinliang Wang, Hong Huang, Changwei Zou, Chenglong Yu

    Published 2022-03-01
    “…Abstract The national architectural ceramic industrial center in east China is suffering from serious ambient fine particle pollution. …”
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    Potential Risks of PM2.5 in Urban and Suburban Environments: A Dual Perspective on Chemical Constituents and Pollution Sources by Huarui Ren, Xiongping Wu, Wenchang Zhao, Jinping Cheng

    Published 2024-03-01
    “…Abstract To investigate the chemical characteristics and source profiles of fine particulate matter (PM2.5) between suburban and urban areas, intensive observation and sample collection were conducted from November 2019 to January 2020 covering both clean and polluted days in Yulin, southwestern China. higher pollution levels were observed in urban areas during both clean and polluted days. …”
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  4. 124

    An Overview on the Role of Relative Humidity in Airborne Transmission of SARS-CoV-2 in Indoor Environments by Ajit Ahlawat, Alfred Wiedensohler, Sumit Kumar Mishra

    Published 2020-07-01
    “…Abstract COVID-19 disease is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which originated in Wuhan, China and spread with an astonishing rate across the world. …”
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  5. 125

    Reduction in Carbon Dioxide Emission and Energy Saving Obtained by Renovation of Building Envelope of Existing Residential Buildings by Rui Chen, Xiaoping Feng, Chengjing Li, Huapeng Chen

    Published 2021-06-01
    “…We selected a residential dwelling from the many buildings in southern Jiangsu Province, China, which consume and emit extremely large amounts of energy and CO2, respectively, and assessed various energy-saving renovation schemes for improving the thermal envelope. …”
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  6. 126

    A Comparison Study of Chemical Compositions and Sources of PM1.0 and PM2.5 in Hanoi by Pham Duy Hien, Vuong Thu Bac, Nguyen Thi Hong Thinh, Ha Lan Anh, Duong Duc Thang, Nguyen The Nghia

    Published 2021-07-01
    “…Whereas LRT aerosols, coal fly ash, and primary particulate vehicular emissions mainly occurred in the PM1.0, resuspended road dust and biomass-burning fly ash tended to appear in the PM1.0–2.5; hence, we can characterize the anthropogenic emissions in this area by examining the profile of the PM1.0 rather than the PM2.5. Additionally, air masses with inland trajectories originating in northern China and countries northwest and southwest of Vietnam contained more ammonium, sulfate, and BC than those that passed over the East Sea. …”
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    Pollution Characterization, Meteorological Effects, and Sources of Carbon Aerosols in PM2.5 in Urban Xiangtan during Winter by Lizhi He, Zhenghui Xiao, Cheng Xie, Yangfei Ou, Sisi Wang

    Published 2024-04-01
    “…Abstract Urbanization and industrialization have contributed to increased air pollution in China, yet few studies have focused on carbon aerosols in Xiangtan. …”
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    Understanding Ozone Formation and Carbonyl Contributions in the Seoul Metropolitan Area by Seung-Ha Lee, Ji-Seon Lee, Hyung-Min Lee, Hyeong-Ahn Kwon, Caroline R. Nowlan, Gonzalo González Abad, Rokjin J. Park, Ji-Hoon Park, Soyoung Kang, Hye-Jung Shin, Dai-Gon Kim, Jung-Min Park

    Published 2023-11-01
    “…Abstract With strong air quality policies in place in China and South Korea in recent years, it is important to understand the changing situation to address the increasing surface ozone problem in Korea. …”
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