Article(id=1282036059575914526, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282036038860255373, articleNumber=null, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2025.11.2963, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1749484800000, receivedDateStr=2025-06-10, revisedDate=1757865600000, revisedDateStr=2025-09-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1783590815680, onlineDateStr=2026-07-09, pubDate=1764259200000, pubDateStr=2025-11-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783590815680, onlineIssueDateStr=2026-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783590815680, creator=13701087609, updateTime=1783590815680, updator=13701087609, issue=Issue{id=1282036038860255373, tenantId=1146029695717560320, journalId=1146031787341344770, year='2025', volume='35', issue='11', pageStart='1', pageEnd='268', issueExtLink='null', onlineDate='null', pubDate='1764259200000', pubDateStr='2025-11-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783590810742, creator='13701087609', updateTime=1783593801313, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1282048582291276616, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282036038860255373, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1282048582295470921, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282036038860255373, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=65, endPage=71, ext={EN=ArticleExt(id=1282036061366882335, articleId=1282036059575914526, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Study on coal bed gas displacement by flue gas in coal-fired power plants under different gas injection factors, columnId=1149733269173878863, journalTitle=China Safety Science Journal, columnName=Safety engineering technology, runingTitle=null, highlight=null, articleAbstract=

In order to improve the efficiency of gas extraction, numerical simulation methods were employed to analyze the characteristics of changes in gas volume fraction, gas breakthrough time, coal permeability, CH₄ extraction rate, and extraction quantity under different gas injection pressures. The results show that after flue gas injection, the volume fraction of CH₄ shows a downward trend, while the volume fractions of CO₂, N₂ and O₂ show an upward trend. The increase in injection pressure will shorten the breakthrough time of each gas in the flue gas, reduce the permeability of the coal seam and increase the gas extraction volume. At 180 days of extraction, the gas injection pressure increased from 0.5 MPa to 2.5 MPa, the coal seam permeability decreased from 8.722 7×10^-17 m² to 8.711 5×10^-17 m², and the extraction volume increased from 449.01 m³ to 715.30 m³. The gas drainage rate shows the variation characteristics of rising - falling - rising - falling. From the perspective of the influence of gas injection pressure on drainage, the gas injection pressure has a relatively small impact on the drainage in the first two stages.

, authors=Gang BAI^{1, 2}, Xuepeng WANG^{1, 2}, Jun SU^{1, 2}, Zhengdong LIU³, Jinyu LI¹, Chaojun FAN⁴, authorsList=Gang BAI, Xuepeng WANG, Jun SU, Zhengdong LIU, Jinyu LI, Chaojun FAN, authorCompany=null, correspAuthors=null, 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=1282036061589180448, articleId=1282036059575914526, tenantId=1146029695717560320, journalId=1146031787341344770, language=CN, title=不同注气压力下燃煤电厂烟气驱替煤层瓦斯研究, columnId=1149733269727526997, journalTitle=中国安全科学学报, columnName=安全工程技术, runingTitle=null, highlight=null, articleAbstract=

为提高瓦斯抽采效率，采用数值模拟方法，分析不同注气压力下气体体积分数、气体突破时间、煤层渗透率、CH₄抽采速率及抽采量变化特征。结果表明：注烟气后CH₄体积分数呈下降趋势，CO₂、N₂、O₂体积分数呈上升趋势，注气压力升高会缩短烟气各气体的突破时间、降低煤层渗透率以及提高瓦斯抽采量。在抽采180天时，注气压力由0.5 MPa增加至2.5 MPa，煤层渗透率由8.722 7×10^-17 m²降低至8.711 5×10^-17m²、抽采量由449.01 m³增加至715.30 m³。瓦斯抽采速率呈现上升-下降-上升-下降的变化特征，从注气压力对抽采的影响上看，注气压力对于前2个阶段抽采影响较小。

, authors=白刚教授^{1, 2}, 王学鹏^{1, 2}, 苏俊^{1, 2}, 刘正东副教授³, 李金雨副教授¹, 范超军教授⁴, authorsList=白刚教授, 王学鹏, 苏俊, 刘正东副教授, 李金雨副教授, 范超军教授, authorCompany=null, correspAuthors=null, authorNote=, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=Mk7tzIi4Y2hJjMrhpfztkw==, magXml=mGXjOPK9TXWp6zPlfovzwQ==, pdfUrl=null, pdf=UoRwYMDsqM4DOzgdEW5Www==, pdfFileSize=3807996, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=rg5M5I73YxsTQU7rI2TO2w==, mapNumber=null, fund=null)}, authors=[Author(id=1282036062176383022, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1282036059575914526, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=baigang_1992@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1282036062260269105, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1282036059575914526, authorId=1282036062176383022, language=EN, stringName=Gang BAI, firstName=Gang, middleName=null, lastName=BAI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, 2}, address=¹College of Safety Science & Engineering, Liaoning Technical University, Huludao Liaoning 125000, China
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白刚（1991—），男，安徽灵璧人，博士，教授，主要从事矿山灾害低碳防控理论与技术研究。E-mail: baigang_1992@163.com。

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白刚（1991—），男，安徽灵璧人，博士，教授，主要从事矿山灾害低碳防控理论与技术研究。E-mail: baigang_1992@163.com。

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