Article(id=1242131357753746319, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242131347544810318, articleNumber=null, orderNo=9, doi=10.3981/j.issn.1000-7857.2013.36.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1380384000000, receivedDateStr=2013-09-29, revisedDate=1383235200000, revisedDateStr=2013-11-01, acceptedDate=null, acceptedDateStr=null, onlineDate=1389766914453, onlineDateStr=2014-01-15, pubDate=1388160000000, pubDateStr=2013-12-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1389766914453, onlineIssueDateStr=2014-01-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774076793368, creator=sys-migrate, updateTime=1774076793368, updator=sys-migrate, issue=Issue{id=1242131347544810318, tenantId=1146029695717560320, journalId=1146031591421210625, year='2013', volume='31', issue='36', pageStart='2', pageEnd='120', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774076790936, creator=sys-migrate, updateTime=1774076790936, updator=sys-migrate, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=50, endPage=53, ext={EN=ArticleExt(id=1242131361067246492, articleId=1242131357753746319, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Nuclear Magnetic Rresonance Characteristics in Fresh Filling Slurry, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=The distribution and the peak area of the transverse relaxation time (T₂) of water in a fresh filling slurry are studied by the lowfield Nuclear Magnetic Resonance (NMR) to obtain the water distribution and the evolution law in the fresh filling slurry during the early hydration. The results are as follows: During the early hydration of the filling slurry, the T₂ distribution of water includes three peaks. Peak 1 represents the signal generated by the adsorbed water in the filling slurry; peak 2 is the signal generated by the pore water between solid particles; peak 3 stands for the signal generated by the free water in the filling slurry. With the increase of the hydration time, the 1st peak area decreases continuously, indicating the transformation from the adsorbed water into the chemically bound water and the free water; the 2nd peak area fluctuates, but remains stable in general, indicating that the pore water changes not significantly; the increase of the 3rd peak area shows the bleeding phenomenon in the fresh filling slurry. With the increase of the hydration time, the sum of the three peak areas is constantly reducing, indicating the process of the adsorbed water transforming into the chemically bound water in the filling slurry., correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=+Y+H2sAljMHVk72b4QzALA==, pdfFileSize=1153821, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=School of Resources and Safety Engineering, Central South University, Changsha 410083, China, fund=null, authors=ZHOU Keping, AI Kaiming, ZHANG Jian, LI Jielin, authorsList=ZHOU Keping, AI Kaiming, ZHANG Jian, LI Jielin), CN=ArticleExt(id=1242131360001893269, articleId=1242131357753746319, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=新拌充填料浆核磁共振特征研究, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=为研究充填料浆早期水化过程中水的分布特征和演化规律，采用低场核磁共振技术（NMR）探讨新拌充填料浆中水的横向弛豫时间（T₂）分布和峰面积随水化时间的演化规律。结果表明，在充填料浆早期水化过程中，其T₂分布包括3 个峰。1 号峰为充填料浆中的吸附水产生的信号；2 号峰为固体颗粒之间的孔隙水产生的信号；3 号峰为充填料浆中自由水产生的信号。随着水化时间的增加，1 号峰的峰面积不断减小，表明充填料浆中水由吸附水转化成化学结合水和自由水；2 号峰的峰面积出现波动但总体稳定，说明孔隙水未发生明显变化；3 号峰的峰面积不断增加，反映了充填料浆的泌水现象。3 个峰的峰面积之和随水化时间不断降低，反映了充填料浆中吸附水转化成化学结合水的进程。, correspAuthors=null, authorNote=周科平，教授，研究方向为深部采矿与矿山岩石力学与工程等，电子信箱：kpzhou@vip.163.com, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=Yq5rGDOSffVdDTk2Bz0qWQ==, pdfFileSize=1153821, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, 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