Search Results - "Yu, Jian Zhen"

Evaluation of linear regression techniques for atmospheric applications: the importance of appropriate weighting by Wu, Cheng, Yu, Jian Zhen

“…Linear regression techniques are widely used in atmospheric science, but they are often improperly applied due to lack of consideration or inappropriate…”
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Tracer-based estimation of secondary organic carbon in the Pearl River Delta, south China by Ding, Xiang, Wang, Xin-Ming, Gao, Bo, Fu, Xiao-Xin, He, Quan-Fu, Zhao, Xiu-Ying, Yu, Jian-Zhen, Zheng, Mei

“…Fine particles (PM2.5) were collected using filter‐based high‐volume samplers during summer‐winter 2008 at a rural site in the central Pearl River Delta (PRD),…”
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Organosulfates in atmospheric aerosols in Shanghai, China: seasonal and interannual variability, origin, and formation mechanisms by Wang, Yao, Zhao, Yue, Wang, Yuchen, Yu, Jian-Zhen, Shao, Jingyuan, Liu, Ping, Zhu, Wenfei, Cheng, Zhen, Li, Ziyue, Yan, Naiqiang, Xiao, Huayun

“…Organosulfates (OSs) are ubiquitous in the atmosphere and serve as important tracers for secondary organic aerosols (SOAs). Despite intense research over the…”
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Spatial and diurnal variations of aerosol organosulfates in summertime Shanghai, China: potential influence of photochemical processes and anthropogenic sulfate pollution by Yang, Ting, Xu, Yu, Ye, Qing, Ma, Yi-Jia, Wang, Yu-Chen, Yu, Jian-Zhen, Duan, Yu-Sen, Li, Chen-Xi, Xiao, Hong-Wei, Li, Zi-Yue, Zhao, Yue, Xiao, Hua-Yun

“…Organosulfates (OSs) are ubiquitous aerosol components, which has seen intense research over years. However, spatial and diurnal variations in OS formation in…”
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Optical properties and chemical composition of the atmospheric aerosol in urban Guangzhou, China by Andreae, Meinrat O., Schmid, Otmar, Yang, Hong, Chand, Duli, Zhen Yu, Jian, Zeng, Li-Min, Zhang, Yuan-Hang

“…During the Pearl River Delta measurement campaign (Program of Regional Integrated Experiments of Air Quality over Pearl River Delta 2004, PRIDE-PRD2004, 4…”
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Abundance and size distribution of HULIS in ambient aerosols at a rural site in South China by Lin, Peng, Huang, Xiao-Feng, He, Ling-Yan, Zhen Yu, Jian

“…HUmic-LIke Substances (HULIS) comprise a significant fraction of the water-soluble organic aerosol mass and influence the water uptake properties of aerosols…”
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Characterization of PM2.5 Major Components and Source Investigation in Suburban Hong Kong: A One Year Monitoring Study by Huang, X.H. Hilda, Bian, Qijing, Ng, Wai Man, Louie, Peter. K.K., Yu, Jian Zhen

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Biogenic and Anthropogenic Contributions to Atmospheric Organosulfates in a Typical Megacity in Eastern China by Huang, Liubin, Wang, Yao, Zhao, Yue, Hu, Huilin, Yang, Yu, Wang, Yuchen, Yu, Jian‐Zhen, Chen, Tianshu, Cheng, Zhen, Li, Chenxi, Li, Ziyue, Xiao, Huayun

“…Abstract Organosulfates (OSs) are important components of secondary organic aerosols (SOA) in the atmosphere. Despite the frequent observation of OSs in field…”
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Inter-comparison of NIOSH and IMPROVE protocols for OC and EC determination: implications for inter-protocol data conversion by Wu, Cheng, Huang, X. H. Hilda, Ng, Wai Man, Griffith, Stephen M, Yu, Jian Zhen

“…Organic carbon (OC) and elemental carbon (EC) are operationally defined by analytical methods. As a result, OC and EC measurements are protocol dependent,…”
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Ambient particle characteristics by single particle aerosol mass spectrometry at a coastal site in Hong Kong: a case study affected by the sea-land breeze by Wang, Nana, Zhang, Yanjing, Li, Lei, Wang, Houwen, Zhao, Yunhui, Wu, Guanru, Li, Mei, Zhou, Zhen, Wang, Xinfeng, Yu, Jian Zhen, Zhou, Yang

“…The sea-land breeze (SLB) circulation plays a vital role in the transport of atmospheric pollutants in coastal cities. In this study, a single particle aerosol…”
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Roadside and rooftop measurements of polycyclic aromatic hydrocarbons in PM2.5 in urban Guangzhou: Evaluation of vehicular and regional combustion source contributions by BO GAO, YU, Jian-Zhen, LI, Shu-Xian, XIANG DING, HE, Quan-Fu, WANG, Xin-Ming

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Abundance and sources of benzo[a]pyrene and other PAHs in ambient air in Hong Kong: A review of 20-year measurements (1997–2016) by Liao, Kezheng, Yu, Jian Zhen

“…The polycyclic aromatic hydrocarbon (PAH) family is of environmental concern due to its toxicity, prompting the need of monitoring their long-term trends…”
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Analysis of Sugars and Sugar Polyols in Atmospheric Aerosols by Chloride Attachment in Liquid Chromatography/Negative Ion Electrospray Mass Spectrometry by Wan, Eric C. H, Yu, Jian Zhen

“…Sugars and sugar polyols are relatively abundant groups of water-soluble constituents in atmospheric aerosols. This paper describes a method that uses liquid…”
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Dithiothreitol (DTT) concentration effect and its implications on the applicability of DTT assay to evaluate the oxidative potential of atmospheric aerosol samples by Lin, Manfei, Yu, Jian Zhen

“…The cell-free dithiothreitol (DTT) assay is widely used and the DTT consumption rate is interpreted to assess the oxidative potential (OP). Most researchers…”
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Determination of primary combustion source organic carbon-to-elemental carbon (OC / EC) ratio using ambient OC and EC measurements: secondary OC-EC correlation minimization method by Wu, Cheng, Yu, Jian Zhen

“…Elemental carbon (EC) has been widely used as a tracer to track the portion of co-emitted primary organic carbon (OC) and, by extension, to estimate secondary…”
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Generation of Reactive Oxygen Species Mediated by Humic-like Substances in Atmospheric Aerosols by Lin, Peng, Yu, Jian Zhen

“…Particulate matter (PM)-mediated reactive oxygen species (ROS) generation has been implicated in health effects posed by PM. Humic-like substances (HULIS) are…”
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Characterization of Aerosol Aging Potentials at Suburban Sites in Northern and Southern China Utilizing a Potential Aerosol Mass (Go:PAM) Reactor and an Aerosol Mass Spectrometer by Li, Jinjian, Liu, Qianyun, Li, Yongjie, Liu, Tengyu, Huang, Dandan, Zheng, Jing, Zhu, Wenfei, Hu, Min, Wu, Yusheng, Lou, Shengrong, Hallquist, Åsa M., Hallquist, Mattias, Chan, Chak K., Canonaco, Francesco, Prévôt, André S. H., Fung, Jimmy C. H., Lau, Alexis K. H., Yu, Jian Zhen

“…Aerosol mass spectrometry was used to characterize submicron aerosols before and after aging in a Gothenburg Potential Aerosol Mass (Go:PAM) reactor at two…”
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Quantifying black carbon light absorption enhancement with a novel statistical approach by Wu, Cheng, Wu, Dui, Yu, Jian Zhen

“…Black carbon (BC) particles in the atmosphere can absorb more light when coated by non-absorbing or weakly absorbing materials during atmospheric aging, due to…”
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Chemical Synthesis of Multifunctional Air Pollutants: Terpene-Derived Nitrooxy Organosulfates by Wang, Yuchen, Tong, Rongbiao, Yu, Jian Zhen

“…Nitrooxy organosulfates derived from terpenes (NOSTP) represent an important class of products formed between anthropogenic pollution (e.g., SO2 and NO x ) and…”
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Real-world emission factors of fifteen carbonyl compounds measured in a Hong Kong tunnel by Ho, K.F., Sai Hang Ho, Steven, Cheng, Y., Lee, S.C., Zhen Yu, Jian

“…Real-world vehicle emissions of carbonyls were determined in summer and winter of 2003 at the Shing Mun Tunnel, Hong Kong. Fifteen carbonyl species have been…”
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