Search Results - "Yao, Dawen"

Secondary organic aerosol formed by condensing anthropogenic vapours over China’s megacities by Nie, Wei, Yan, Chao, Huang, Dan Dan, Wang, Zhe, Liu, Yuliang, Qiao, Xiaohui, Guo, Yishuo, Tian, Linhui, Zheng, Penggang, Xu, Zhengning, Li, Yuanyuan, Xu, Zheng, Qi, Ximeng, Sun, Peng, Wang, Jiaping, Zheng, Feixue, Li, Xiaoxiao, Yin, Rujing, Dallenbach, Kaspar R., Bianchi, Federico, Petäjä, Tuukka, Zhang, Yanjun, Wang, Mingyi, Schervish, Meredith, Wang, Sainan, Qiao, Liping, Wang, Qian, Zhou, Min, Wang, Hongli, Yu, Chuan, Yao, Dawen, Guo, Hai, Ye, Penglin, Lee, Shuncheng, Li, Yong Jie, Liu, Yongchun, Chi, Xuguang, Kerminen, Veli-Matti, Ehn, Mikael, Donahue, Neil M., Wang, Tao, Huang, Cheng, Kulmala, Markku, Worsnop, Douglas, Jiang, Jingkun, Ding, Aijun

“…Secondary organic aerosol contributes a significant fraction to aerosol mass and toxicity. Low-volatility organic vapours are critical intermediates connecting…”
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Secondary Organic Aerosol Formation from Urban Roadside Air in Hong Kong by Liu, Tengyu, Zhou, Liyuan, Liu, Qianyun, Lee, Berto P, Yao, Dawen, Lu, Haoxian, Lyu, Xiaopu, Guo, Hai, Chan, Chak K

“…Motor vehicle emissions are an important but poorly constrained source of secondary organic aerosol (SOA). Here, we investigated in situ SOA formation from…”
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In Situ Measurements of Molecular Markers Facilitate Understanding of Dynamic Sources of Atmospheric Organic Aerosols by Lyu, Xiaopu, Guo, Hai, Yao, Dawen, Lu, Haoxian, Huo, Yunxi, Xu, Wen, Kreisberg, Nathan, Goldstein, Allen H, Jayne, John, Worsnop, Douglas, Tan, Yan, Lee, Shun-Cheng, Wang, Tao

“…Reducing the amount of organic aerosol (OA) is crucial to mitigation of particulate pollution in China. We present time and air-origin dependent variations of…”
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Addressing COVID-19 Spread: Development of Reliable Testing System for Mask Reuse by Lu, Haoxian, Yao, Dawen, Yip, Joanne, Kan, Chi-Wai, Guo, Hai

“…While the novel coronavirus pandemic (COVID-19) continues to wreak havoc globally, self-protection from possible infection by wearing a mask in daily life has…”
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Contributions of Indoor Household Activities to Inhalation Health Risks Induced by Gaseous Air Pollutants in Hong Kong Home by Zeng, Lewei, Li, Kaimin, Guo, Hai, Zhou, Beining, Lyu, Xiaopu, Huo, Yunxi, Uhde, Erik, Yang, Jin, Zeren, Yangzong, Lu, Haoxian, Yao, Dawen, Qian, Zhe

“…To understand inhalation health risks at home, a comprehensive sampling campaign was conducted in a Hong Kong residential apartment from October to December…”
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Wintertime ozone surges: The critical role of alkene ozonolysis by Yang, Jin, Zeren, Yangzong, Guo, Hai, Wang, Yu, Lyu, Xiaopu, Zhou, Beining, Gao, Hong, Yao, Dawen, Wang, Zhanxiang, Zhao, Shizhen, Li, Jun, Zhang, Gan

“…Ozone (O3) pollution is usually linked to warm weather and strong solar radiation, making it uncommon in cold winters. However, an unusual occurrence of four…”
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Forecasting Urban Air Quality via a Back-Propagation Neural Network and a Selection Sample Rule by Liu, Yonghong, Zhu, Qianru, Yao, Dawen, Xu, Weijia

“…In this paper, based on a sample selection rule and a Back Propagation (BP) neural network, a new model of forecasting daily SO2, NO2, and PM10 concentration…”
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Differences in aerosol chemistry at a regional background site in Hong Kong before and during the COVID-19 pandemic by Huo, Yunxi, Yao, Dawen, Guo, Hai

“…Restrictions on human-related activities implemented in Hong Kong to curb the spread of the coronavirus disease 2019 (COVID-19) pandemic provided an…”
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Secondary organic aerosol formation at an urban background site on the coastline of South China: Precursors and aging processes by Yao, Dawen, Guo, Hai, Lyu, Xiaopu, Lu, Haoxian, Huo, Yunxi

“…Understanding the formation mechanisms of secondary organic aerosols (SOA) is an arduous task in atmospheric chemistry. In November 2018, a sampling campaign…”
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Emission characteristics, sources, and airborne fate of speciated organics in particulate matters in a Hong Kong residence by Huo, Yunxi, Guo, Hai, Lyu, Xiaopu, Yao, Dawen

“…A growing number of studies warn of the adverse health effects of indoor particulate matters (PM). However, little is known about the molecular compositions…”
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Characteristics, sources and evolution processes of atmospheric organic aerosols at a roadside site in Hong Kong by Yao, Dawen, Lyu, Xiaopu, Lu, Haoxian, Zeng, Lewei, Liu, Tengyu, Chan, Chak K., Guo, Hai

“…A sampling campaign was conducted at an urban roadside site in Hong Kong from Nov. to Dec. in 2017 using a suite of state-of-the-art instruments to monitor…”
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Real‐time molecular characterization of air pollutants in a Hong Kong residence: Implication of indoor source emissions and heterogeneous chemistry by Lyu, Xiaopu, Huo, Yunxi, Yang, Jin, Yao, Dawen, Li, Kaimin, Lu, Haoxian, Zeren, Yangzong, Guo, Hai

“…Due to the high health risks associated with indoor air pollutants and long‐term exposure, indoor air quality has received increasing attention. In this study,…”
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Primary emissions and secondary production of organic aerosols from heated animal fats by Zhou, Liyuan, Liu, Tengyu, Yao, Dawen, Guo, Hai, Cheng, Chunlei, Chan, Chak K.

“…Cooking is an important source of primary organic aerosol (POA) in urban areas, and it may also generate abundant non-methane organic gases (NMOGs), which form…”
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Continuous effectiveness of replacing catalytic converters on liquified petroleum gas-fueled vehicles in Hong Kong by Yao, Dawen, Lyu, Xiaopu, Murray, Frank, Morawska, Lidia, Yu, Wang, Wang, Jiaying, Guo, Hai

“…To mitigate the concentrations of air pollutants in the atmosphere, an intervention program of replacing the converters of liquefied petroleum gas (LPG) fueled…”
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Atmospheric fate of peroxyacetyl nitrate in suburban Hong Kong and its impact on local ozone pollution by Zeng, Lewei, Fan, Gang-Jie, Lyu, Xiaopu, Guo, Hai, Wang, Jia-Lin, Yao, Dawen

“…Peroxyacetyl nitrate (PAN) is an important reservoir of atmospheric nitrogen, modulating reactive nitrogen cycle and ozone (O3) formation. To understand the…”
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In situ measurement of organic aerosol molecular markers in urban Hong Kong during a summer period: temporal variations and source apportionment by Li, Hongyong, Lyu, Xiaopu, Xue, Likun, Huo, Yunxi, Yao, Dawen, Lu, Haoxian, Guo, Hai

“…Organic aerosol (OA) is a significant constituent of urban particulate matter (PM), and molecular markers therein provide information on the sources and…”
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Estimating organic aerosol emissions from cooking in winter over the Pearl River Delta region, China by Xing, Li, Fu, Tzung-May, Liu, Tengyu, Qin, Yiming, Zhou, Liyuan, Chan, Chak K., Guo, Hai, Yao, Dawen, Duan, Keqin

“…Cooking is an important source of organic aerosols (OA), particularly in urban areas, but it has not been explicitly included in current emission inventories…”
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Exploring the Formation of High Levels of Hydroxyl Dicarboxylic Acids at an Urban Background Site in South China by Huo, Yunxi, Lyu, Xiaopu, Yao, Dawen, Zhou, Beining, Yuan, Qi, Lee, Shun‐cheng, Guo, Hai

“…Hydroxyl dicarboxylic acids (OHDCA) are ubiquitous in the atmosphere as an important constituent of secondary organic aerosol, yet the formation mechanisms…”
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