Article(id=1314921941144797718, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314921940238828053, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1750608000000, receivedDateStr=2025-06-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791431420837, onlineDateStr=2026-10-08, pubDate=1768838400000, pubDateStr=2026-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791431420837, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791431420837, creator=13701087609, updateTime=1791431420837, updator=13701087609, issue=Issue{id=1314921940238828053, tenantId=1146029695717560320, journalId=1234093305789726721, year='2026', volume='46', issue='1', pageStart='1', pageEnd='592', issueExtLink='null', onlineDate='null', pubDate='1768838400000', pubDateStr='2026-01-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791431420621, creator='13701087609', updateTime=1791431552947, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314922495317210104, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314921940238828053, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314922495317210105, tenantId=1146029695717560320, journalId=1234093305789726721, issueId=1314921940238828053, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=53, endPage=65, ext={EN=ArticleExt(id=1314921942633775639, articleId=1314921941144797718, tenantId=1146029695717560320, journalId=1234093305789726721, language=EN, title=Sources and characteristic components of atmospheric organic aerosols in the autumn suburbs of Guangzhou, columnId=1234106386020365051, journalTitle=China Environmental Science, columnName=Air Pollution Control, runingTitle=null, highlight=null, articleAbstract=

A two-month observation of atmospheric PM₁ in suburban Guangzhou in autumn 2022 was conducted using a Soot-Particle High Resolution Time-of-Flight Aerosol Mass Spectrometer (SP-AMS). Sources apportionment of organic aerosol (OA) was performed using Positive Matrix Factorization (PMF). OA's characteristic component particulate organic nitrates (pON) were quantified and explored. During the observation period, PM[(15.90 ± 12.28) μg/m³] was dominated by organics (57.8%), with major components (excluding sulfate) exhibiting higher nocturnal concentrations than diurnal concentrations. OA was mainly contributedby local secondary formation (28.3%), long-range transport (23.9%), and primary emissions such as cooking, vehicle exhaust, and biomass burning (collectively 47.8%). pON contributed significantly to OA (24.7%), increasing markedly under low total nitrate concentrations. Its nocturnal increase may enhance next-day atmospheric oxidation capacity. pON mainly derived from local secondary formation (51.5%) and vehicle exhaust (39.8%). During high PM events, OA was dominated by local secondary formation and vehicle emissions; during high ozone conditions, organics and sulfate showed pronounced midday peaks (photochemical oxidation), secondary OA contribution rose to 59.8%, and pON was primarily from local secondary formation (60.8%).

, authors=Yun-qian LIAO, Miao YU, Lin LIANG, Xiao-yue WANG, Jian-fan YIN, Ze FANG, Ming CHANG, Bin YUAN, Min SHAO, Shan HUANG^*, authorsList=Yun-qian LIAO, Miao YU, Lin LIANG, Xiao-yue WANG, Jian-fan YIN, Ze FANG, Ming CHANG, Bin YUAN, Min SHAO, Shan HUANG, authorCompany=null, correspAuthors=Shan HUANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1314921942965125656, articleId=1314921941144797718, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=广州近郊秋季大气有机气溶胶来源及特征组分, columnId=1234106388364981004, journalTitle=中国环境科学, columnName=大气污染与控制, runingTitle=null, highlight=null, articleAbstract=

于2022年秋季利用黑碳-气溶胶质谱仪（SP-AMS）对广州近郊大气PM₁进行了两个月观测．基于正交矩阵因子分析法（PMF）对有机气溶胶（OA）进行来源解析，并对其特征组分颗粒态有机硝酸酯（pON）进行量化讨论．观测期间PM₁[（15.90 ± 12.28）μg/m³]受有机物主导（57.8%），除硫酸盐外主要组分呈现夜高日低的特征．OA主要来源于本地二次生成（28.3%）和长距离传输（23.9%），及烹饪、机动车尾气、生物质燃烧等一次排放（47.8%）．pON对OA贡献可达24.7%，且在总硝酸盐浓度低时占比显著升高．其夜间增加可促进次日大气氧化性升高．pON主要源于本地二次生成（51.5%）和机动车尾气（39.8%）．高颗粒物浓度时段OA受本地二次生成和机动车排放主导；高臭氧浓度时段，有机物及硫酸盐出现明显中午峰（光化学氧化作用），二次OA贡献升至59.8%，pON也主要源于本地二次生成（60.8%）．

, authors=廖芸仟, 余淼, 梁琳, 王小月, 尹健帆, 房泽, 常鸣, 袁斌, 邵敏, 黄山^*, authorsList=廖芸仟, 余淼, 梁琳, 王小月, 尹健帆, 房泽, 常鸣, 袁斌, 邵敏, 黄山, authorCompany=null, correspAuthors=黄山, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=xEczMoBjFGPnZez3F2yvYg==, magXml=j0gAQOF0T2QfCOoUu+dIfw==, pdfUrl=null, pdf=ayWHDR9fdkQYvkdXnTbhNQ==, pdfFileSize=3946573, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=gFzXyvzPK1HD1BqYmWYPxg==, mapNumber=null, fund=null)}, authors=[Author(id=1314921943330030109, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314921941144797718, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=qalaunq@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314921943422304799, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314921941144797718, authorId=1314921943330030109, language=EN, stringName=Yun-qian LIAO, firstName=Yun-qian, middleName=null, lastName=LIAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Guangdong- Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, College of Environment and Climate, Jinan University, Guangzhou 511443, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314921943493607968, tenantId=1146029695717560320, journalId=1234093305789726721, articleId=1314921941144797718, authorId=1314921943330030109, language=CN, stringName=廖芸仟, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=暨南大学环境与气候学院，粤港澳环境质量协同创新联合实验室，广东 广州 511443, bio={"content":"

廖芸仟（2000-），女，湖北石首人，暨南大学硕士研究生，主要从事大气有机颗粒物研究．qalaunq@163.com.

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廖芸仟（2000-），女，湖北石首人，暨南大学硕士研究生，主要从事大气有机颗粒物研究．qalaunq@163.com.

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