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检索条件"主题词=Positive matrix factorization"
738 条 记 录,以下是1-10 订阅
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Changes in factor profiles deriving from photochemical losses of volatile organic compounds:Insight from daytime and nighttime positive matrix factorization ana
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Journal of Environmental Sciences 2025年 第5期151卷 627-639页
作者: Baoshuang Liu Tao Yang Sicong Kang Fuquan Wang Haixu Zhang Man Xu Wei Wang Jinrui Bai Shaojie Song Qili Dai Yinchang Feng Philip K.Hopke State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control&Tianjin Key Laboratory of Urban Transport Emission Research College of Environmental Science and EngineeringNankai UniversityTianjin 300350China CMA-NKU Cooperative Laboratory for Atmospheric Environment-Health Research Tianjin 300350China Beijing Make Environment Science&Technology Co. Ltd.Beijing 100083China Shijiazhuang Environmental Prediction Center Shijiazhuang 050022China Department of Public Health Sciences University of Rochester School of Medicine and DentistryRochesterNY 14642USA Institute for a Sustainable Environment Clarkson UniversityPotsdamNY 13699USA
Substantial effects of photochemical reaction losses of volatile organic compounds(VOCs)on factor profiles can be investigated by comparing the differences between daytime and nighttime dispersion-normalized VOC data ... 详细信息
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Integration of positive matrix factorization and water quality models for pollution source identification and water quality enhancement in rivers
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APPLIED WATER SCIENCE 2025年 第3期15卷 1-22页
作者: Kim, Semin Jeonbuk Natl Univ Dept Civil Engn Jeonju 54896 Jeonbuk Do South Korea
Identifying the primary pollution source poses a challenge in river watersheds characterized by diverse land-cover types and mixed pollution sources. We addressed this challenge by focusing on the major tributaries in... 详细信息
来源: 评论
Source Contribution Analysis of Polycyclic Aromatic Hydrocarbons in PM2.5 at Three Japanese Cities Using positive matrix factorization with Organic Tracers
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ATMOSPHERE 2025年 第2期16卷 175-175页
作者: Ikemori, Fumikazu Murakami, Yuki Takabayashi, Megumi Nishimura, Rie Hiramatsu, Mami Ueda, Maku Yoshino, Ayako Chatani, Satoru Sato, Kei Sugata, Seiji Nagoya City Inst Environm Sci Nagoya 4570841 Japan Nara Prefecture Landscape & Environm Ctr Sakurai 6330062 Japan Waterworks Bur Nara Prefecture Nara 6308113 Japan Res Inst Environm Agr & Fisheries Habikino 5830862 Japan Dept Environm Agr Forestry & Fisheries Osaka 5598555 Japan Natl Inst Environm Studies Tsukuba 3058506 Japan
To estimate the sources of polycyclic aromatic hydrocarbons (PAHs) and their contributions to the total PAH emissions, more than 40 PAHs and organic tracers in PM2.5 collected in 3 cities of Japan were measured and a ... 详细信息
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Nutritional profiling of Oncorhynchus mykiss from Çamlıgoze Dam, Türkiye: Health risk assessment through Monte Carlo simulation and elemental source attribution using positive matrix factorization
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PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 2025年 198卷
作者: Yazman, Mehmet Metin Ustaoglu, Fikret Yuksel, Bayram Giresun Univ Dept Food Proc TR-28600 Giresun Turkiye Giresun Univ Dept Biol Gure Campus TR-28200 Giresun Turkiye Giresun Univ Dept Property Protect & Secur TR-28600 Giresun Turkiye
& Ccedil;aml & imath;goze Dam in Sivas, T & uuml;rkiye, is a significant aquaculture site producing rainbow trout (Oncorhynchus mykiss) for export to over 70 countries. This study evaluated the accumulatio... 详细信息
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Temporal dynamics and source characteristics of fine particulate matter using positive matrix factorization (PMF)
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Atmospheric Pollution Research 2025年 第8期16卷
作者: Kumar, Vikas Sahu, Manoranjan Biswal, Basudev Prakash, Jai Choudhary, Shruti Raliya, Ramesh Chadha, Tandeep S. Fang, Jiaxi Biswas, Pratim Centre for Climate Studies Indian Institute of Technology Bombay Mumbai 400076 India Aerosol and Nanoparticle Technology Laboratory Environmental Science and Engineering Department Indian Institute of Technology Bombay Mumbai 400076 India Centre for Machine Intelligence and Data Science Indian Institute of Technology Bombay Mumbai 400076 India Department of Civil Engineering Indian Institute of Technology Bombay Mumbai 400076 India Department of Atmospheric Science Central University of Rajasthan Rajasthan 305801 India Department of Chemical Environmental and Materials Engineering University of Miami Coral Gables United States Aerosol and Air Quality Research Laboratory Department of Energy Environmental and Chemical Engineering Washington University in St. Louis St Louis 63130 MO United States Applied Particle Technology Inc St Louis MO United States
The temporal granularity of data in receptor models plays a key role in identifying emission patterns and episodic pollution events, which are essential for robust source apportionment. Low-time resolution measurement... 详细信息
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positive matrix factorization: A data preprocessing strategy for direct mass spectrometry-based breath analysis
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TALANTA 2019年 192卷 32-39页
作者: Li, Xue Huang, Dandan Zeng, Jiafa Chan, Chak Keung Zhou, Zhen Jinan Univ Inst Mass Spectrometry & Atmospher Environm 601 Huangpu Ave West Guangzhou 510632 Guangdong Peoples R China Jinan Univ Atmospher Pollut Online Source Anal Engn Res Ctr Guangzhou 510632 Guangdong Peoples R China City Univ Hong Kong Sch Energy & Environm Hong Kong Hong Kong Peoples R China State Environm Protect Key Lab Cause & Prevent Ur Shanghai 200233 Peoples R China
Interest in exhaled breath has grown considerably in recent years, as breath biosampling has shown promise for non-invasive disease diagnosis, therapeutic drug monitoring, and environmental exposure. Real time breath ... 详细信息
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positive matrix factorization of a 32-month series of daily PM2.5 speciation data with incorporation of temperature stratification
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ATMOSPHERIC ENVIRONMENT 2013年 65卷 11-20页
作者: Xie, Mingjie Piedrahita, Ricardo Dutton, Steven J. Milford, Jana B. Hemann, Joshua G. Peel, Jennifer L. Miller, Shelly L. Kim, Sun-Young Vedal, Sverre Sheppard, Lianne Hannigan, Michael P. Univ Colorado Ctr Engn Dept Mech Engn Coll Engn & Appl Sci Boulder CO 80309 USA US EPA Natl Ctr Environm Assessment Res Triangle Pk NC 27711 USA Colorado State Univ Dept Environm & Radiol Hlth Sci Ft Collins CO 80523 USA Univ Washington Sch Publ Hlth Dept Environm & Occupat Hlth Sci Seattle WA 98195 USA
This study presents source apportionment results for PM2.5 from applying positive matrix factorization (PMF) to a 32-month series of daily PM2.5 compositional data from Denver, CO, including concentrations of sulfate,... 详细信息
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Improving source identification of Atlanta aerosol using temperature resolved carbon fractions in positive matrix factorization
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ATMOSPHERIC ENVIRONMENT 2004年 第20期38卷 3349-3362页
作者: Kim, E Hopke, PK Edgerton, ES Clarkson Univ Dept Chem Engn Potsdam NY 13699 USA Clarkson Univ Dept Civil & Environm Engn Potsdam NY 13699 USA Atmospher Res & Anal Inc Durham NC 27707 USA
Daily integrated PM2.5 (particulate matter less than or equal to 2.5 mum in aerodynamic diameter) composition data including eight individual carbon fractions collected at the Jefferson Street monitoring site in Atlan... 详细信息
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Characterization of non-methane volatile organic compounds sources in Houston during 2001 using positive matrix factorization
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ATMOSPHERIC ENVIRONMENT 2005年 第32期39卷 5934-5946页
作者: Kim, E Brown, SG Hafner, HR Hopke, PK Clarkson Univ Dept Chem Engn Potsdam NY 13699 USA Clarkson Univ Dept Civil & Environm Engn Potsdam NY 13699 USA Sonoma Technol Inc Petaluma CA 94954 USA Clarkson Univ Ctr Air Resource Engn & Sci Potsdam NY 13699 USA
Non-methane volatile organic compounds (NMOC) that were most likely to contribute to ozone formation in the Houston, Texas area were measured by Texas Commission on Environmental Quality using AutoSystem Gas Chromatog... 详细信息
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The application of positive matrix factorization (PMF) to eco-efficiency analysis
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JOURNAL OF ENVIRONMENTAL MANAGEMENT 2012年 第1期98卷 11-14页
作者: Wu, Jiaying Wu, Zhijun Hollaender, Robert Univ Leipzig Fac Econ & Management Sci D-04109 Leipzig Germany Leibniz Inst Tropospher Res D-04318 Leipzig Germany
A new method for weighting and aggregating eco-efficiency indicators is of the utmost importance, if researchers in the field are to provide simplified and physically meaningful information to policy makers. To date, ... 详细信息
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