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sileiting(sunshan4379´ú·¢): ½ð±Ò+5 2021-10-10 10:48:21
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sileiting(sunshan4379´ú·¢): ½ð±Ò+5 2021-10-10 10:48:21
sunshan4379: LS-EPI+1, ¸ÐлӦÖú! 2021-10-10 10:48:26
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Pollution characteristics and ozone formation potential of ambient VOCs in summer in Taiyuan Accession number: 20194707705319 Title of translation: Ì«ÔÊÐÏļ¾´óÆøVOCsÎÛÈ¾ÌØÕ÷¼°³ôÑõÉú³ÉÇ±ÊÆ Authors: Si, Lei-Ting 1 , 2 ; Wang, Hao 1 ; Li, Yang 2 ; Wei, Yong-Jie 3 ; Yuan, Jin 4 Author affiliations : 1 Coshare Environment, Taiyuan; 030031, China 2 Shanxi Lipu Innovation Technology Co., Ltd., Taiyuan; 030032, China 3 Chinese Research Academy of Environmental Sciences, Beijing; 100012, China 4 Taiyuan University of Technology, Taiyuan; 030024, China Corresponding author: Yuan, Jin (yuan66@vip.sina.com) Source title: Zhongguo Huanjing Kexue/China Environmental Science Abbreviated source title: Zhongguo Huanjing Kexue Volume: 39 Issue: 9 Issue date: September 20, 2019 Publication Year: 2019 Pages: 3655-3662 Language: Chinese ISSN: 10006923 CODEN: ZHKEEI Document type: Journal article (JA) Publisher: Chinese Society for Environmental Sciences Abstract: In August 2018, air samples were collected in Taiyuan. The pollution characteristics of ambient volatile organic compounds (VOCs) were analyzed and the ozone formation potential (OFP) of VOCs was also calculated by the maximum incremental reactivity (MIR). The results showed that the VOCs concentration in summer ranged from 17.36¦Ìg/m3 to 89.60¦Ìg/m3. And the average proportions of alkanes, aromatics, alkenes, alkynes were 58.01%, 20.06%, 16.52%, 5.40%, respectively. The diurnal variations of VOCs concentrations showed obvious bimodal distribution in the morning and evening, and the influence of morning peaks was more significant. Alkanes, alkenes, aromatics and alkynes contributed 19.16%, 47.74%, 31.75% and 1.35% to the total OFP, respectively. C3~C5 alkenes have high activity, which greatly contribute to O3 formation. © 2019, Editorial Board of China Environmental Science. All right reserved. Number of references: 42 Main heading: Air pollution Controlled terms: Olefins - Ozone - Paraffins - Volatile organic compounds Uncontrolled terms: Air samples - Bimodal distribution - Diurnal variation - High activity - Maximum incremental reactivities - Ozone formation potentials - Taiyuan Classification code: 451 Air Pollution - 804 Chemical Products Generally - 804.1 Organic Compounds Numerical data indexing: Mass_Density 1.74e-08kg/m3 to 8.96e-08kg/m3, Percentage 1.65e+01%, Percentage 1.92e+01%, Percentage 2.01e+01%, Percentage 3.18e+01%, Percentage 4.77e+01%, Percentage 5.40e+00%, Percentage 5.80e+01% Database: Compendex Compilation and indexing terms, © 2021 Elsevier Inc. |
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