Article(id=1242133241608609820, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242133213372556217, articleNumber=null, orderNo=11, doi=10.3981/j.issn.1000-7857.2015.06.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1419264000000, receivedDateStr=2014-12-23, revisedDate=1421856000000, revisedDateStr=2015-01-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1428653855057, onlineDateStr=2015-04-10, pubDate=1427472000000, pubDateStr=2015-03-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1428653855057, onlineIssueDateStr=2015-04-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774077242516, creator=sys-migrate, updateTime=1774077242516, updator=sys-migrate, issue=Issue{id=1242133213372556217, tenantId=1146029695717560320, journalId=1146031591421210625, year='2015', volume='33', issue='6', pageStart='1', pageEnd='128', issueExtLink='null', onlineDate='null', pubDate='1427472000000', pubDateStr='2015-03-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774077235785, creator='sys-migrate', updateTime=1774077235785, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=59, endPage=63, ext={EN=ArticleExt(id=1242133243928059949, articleId=1242133241608609820, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=A tunnel test for emission factors of motor vehicles in Xi'an, columnId=1242116903087440448, journalTitle=Science & Technology Review, columnName=Spescial Issues, runingTitle=null, highlight=null, articleAbstract=In order to study the characteristics of major pollutants emitted by motor vehicles, a tunnel test was carried out in a representative tunnel in downtown Xi'an. Through continuous online monitoring at both entrance and exit of the tunnel, meteorological data, traffic parameters and mass concentration data of PM_2.5, CO, NO_x, HC and VOCs were obtained. By calculating the emission factors of motor vehicles, it was found that the average emission factors of PM_2.5, CO, NO_x, HC and VOCs were (0.016±0.005), (1.097± 0.398), (0.159±0.092), (0.179±0.089) and (0.317±0.172) g/(km·veh), respectively. The emission factors varied with time during the day, and the emission factors of PM_2.5 were obviously smaller than gaseous pollutants. In addition, the emission factors declined dramatically as compared to the previous study in China, which might owe to the improvement of fuel quality, engine efficiency, exhaust control technology and urban management., authors=TIAN Pengshan^1,2, CAO Junji¹, HAN Yongming¹, ZHANG Ningning¹, ZHOU Yaqing^1,2, authorsList=TIAN Pengshan, CAO Junji, HAN Yongming, ZHANG Ningning, ZHOU Yaqing, authorCompany=1. Key Laboratory of Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=RC2XOzA/aQDsZFa9WB0h+w==, pdfFileSize=954645, 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=1242133243156308005, articleId=1242133241608609820, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=机动车排放因子的隧道测试——以西安市为例, columnId=1242116902361830275, journalTitle=科技导报, columnName=专题论文, runingTitle=null, highlight=null, articleAbstract=为深入了解西安市机动车污染物的排放特征, 选取代表性城区隧道进行机动车污染物排放浓度及排放因子的测试实验, 获得了隧道入口和出口的PM_2.5、CO、NO_x、HC 和VOCs 等污染物的质量浓度, 并结合气象数据和交通参数, 计算了各污染物平均排放因子。结果表明:PM_2.5、CO、NO_x、HC 和VOCs 的平均排放因子分别为(0.016±0.005)、(1.097±0.398)、(0.159±0.092)、(0.179±0.089)、(0.317±0.172)g/(km·辆)。不同时段的排放因子存在一定差异, 并且PM_2.5的排放因子显著小于气态污染物。此外, 本次实验测得的排放因子小于国内先前多数研究结果, 这可能与燃料品质、发动机效率、尾气排放控制技术和城市管理水平的提高有关。, authors=田鹏山^1,2, 曹军骥¹, 韩永明¹, 张宁宁¹, 周雅清^1,2, authorsList=田鹏山, 曹军骥, 韩永明, 张宁宁, 周雅清, authorCompany=1. 中国科学院地球环境研究所气溶胶化学与物理重点实验室, 西安710061;
2. 中国科学院大学, 北京100049, correspAuthors=null, authorNote=田鹏山,硕士研究生,研究方向为大气颗粒物污染化学,电子信箱tianps@ieecas.cn, correspAuthorsNote=曹军骥,研究员,研究方向为气溶胶与环境、PM_2.5研究与控制等,电子信箱:cao@loess.llqg.ac.cn, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=Dq56w4IjXsuInPCzTRHUNA==, pdfFileSize=954645, 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=国家自然科学基金面上项目(41473119);科学技术部科技基础性工作专项(Y31Z021018);中国科学院战略性先导科技专项(XDA05100402))}, authors=[Author(id=1281136727637078590, tenantId=1146029695717560320, journalId=null, articleId=1242133241608609820, orderNo=null, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=null, email=null, emailSecond=null, emailThird=null, correspondingAuthor=null, 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