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简介：The250kt/amethanolunitasthefirstoneformanufactureofthe210kt/aDMEservingastheassociatedunitfortheMTP(methanol-to-propylene)project,whichisownedbyShenhuaNingxiaCoalIndustryGroup,isnowundertrail

简介：Theproblemofmeasuringconflictinlarge-groupdecisionmakingisexaminedwitheverydecisionpreferenceexpressedbymultipleintervalintuitionistictrapezoidalfuzzynumbers(IITFNs).First,adistancemeasurementbetweentwoIITFNsisgivenandafunctionofconflictbetweentwomembersofthelargegroupisproposed.Second,membersofthelargegroupareclustered.Ameasurementmodelofgroupconflict,whichisappliedtoaggregatinglarge-grouppreferences,isthenproposedbyemployingtheconflictmeasureofclusters.Finally,asimulationexampleispresentedtovalidatethemodels.Thesemodelscandealwiththepreferenceanalysisandcoordinationofalarge-groupdecision,andarethusapplicabletoemergencygroupdecisionmaking.

简介：Twohundredcatesofnasopharyngealcarcinoma(NPC)admittedtothisdepartmentfromFeb.1985toMay.1988wereanalysedaccordingtotheCTscanningandclinicalfindingsoftheprimarylesionspriortoradiotherapy.TheresultsshowedthatinvolvementofparapharyngealspacewasverycommoninNPC,about80%(160/200cases);particularlyunilateralorbilateralretro-styloidspaces,about69.5%(139/200cases).ItwasproposedthatpatientswithNPChadahighIncidenceofipsilateralcervicalnodemetastasis.Contralateralcervicalnodemetastasiswasrare.ThedevelopmentofcervicalnodemetastastoinNPChastwomodes:oneIsdirectInfiltrationoftheretro-styloldspacebythelesion;theotherIsalongthenasopharyngeallymphaticrete.ThedataalsoshowedthatpatientswithNPCwhopresentedsymptomsofⅨ-Ⅲcranialnerveparalysesalwayshadipsilateralorbilateralretro-styloidspaceInfiltrations.

简介：BeijinghasbeenoneoftheepicentersattackedmostseverelybytheSARS-CoV(severeacuterespiratorysyndrome-associatedcoronavirus)sincethefirstpatientwasdiagnosedinoneofthecity'shospitals.WenowreportcompletegenomesequencesoftheBJGroup,includingfourisolates(IsolatesBJ01,BJ02,BJ03,andBJ04)oftheSARS-CoV.ItisremarkablethatallmembersoftheBJGroupshareacommonhaplotype,consistingofsevenlocithatdifferentiatethegroupfromotherisolatespublishedtodate.Among42substitutionsuniquelyidentifledfromtheBJgroup,32arenon-synonymouschangesattheaminoacidlevel.Rootedphylogenetictrees,proposedonthebasisofhaplotypesandothersequencevariationsofSARS-CoVisolatesfromCanada,USA,Singapore,andChina,gaverisetodifferentparadigmsbutpositionedtheBJGroup,togetherwiththenewlydiscoveredGD01(GD-Ins29)inthesameclade,followedbytheH-UGroup(fromHongKongtoUSA)andtheH-TGroup(fromHongKongtoToronto),leavingtheSPGroup(Singapore)moredistant.ThisresultappearstosuggestapossibletransmissionpathfromGuangdongtoBeijing/HongKong,thentoothercountriesandregions.

简介：Aseriesoffunctionalizedionicliquids(ILs)containingester-groupweresynthesizedandtheirtribologicalpropertiesaslubricantsforsteel-steelcontactwerestudiedandcomparedwithanon-functionalizedionicliquidandperfluoropolyethers(PFPE).ThemorphologyandchemicalcompositionofthewornscarswereanalyzedbyscanningelectronmicroscopyandX-rayphotoelectronspectroscopy,respectively,andthepossiblelubricationmechanismofILswasdiscussed.Asaresult,allILsdemonstratedabetterlubricityandamuchhigherload-carryingcapacitythanPFPEusedaslubricantsforthesteel-steeltribomatessystem.ThefunctionalizedILswithester-groupshowedslightlyworsefrictionreducingabilitythantheirnonfunctionalizedcounterpartsatrelativelylowerloadsowingtotheirhigherviscosity,butthenexhibitedbetterantiwearabilitybecausetheestergrouptheycontainedhadnotonlyphysicalbutalsostrongchemicalreactionswiththefreshlyexposedsteelsurfaceandformedchemicaladsorptionboundaryfilmsonthewornsurfaceduringfrictionprocess.Underhighloads,sometribochemicalreactionstookplacebetweentheactiveelements,suchasfluorinewhichwerereleasedfromtheILs,andfreshmetalsurfacesofrubbingpairstoformtheadmixturereactionfilms,whichweremainlycomposedofferricfluoridemixedwithferricoxide,leadingtolowerfrictioncoefficientsandgoodwearresistance.

简介：Inthispaper,anextendedKendallmodelforthepriorityschedulinginput-linegroupoutputwithmulti-channelinAsynchronousTransferMode(ATM)exchangesystemisproposedandthenthemeanmethodisusedtomodelmathematicallythenon-typicalnon-anticipativePRiorityservice(PR)model.Comparedwiththetypicalandnon-anticipativePRmodel,itexpressesthecharacteristicsofthepriorityschedulinginput-linegroupoutputwithmulti-channelinATMexchangesystem.ThesimulationexperimentshowsthatthismodelcanimprovetheHOLblockandtheperfonnanceofinput-queuedATMswitchnetworkdramatically.ThismodelhasabetterdevelopingprospectinATMexchangesystem.

简介：Inthispaper.itisdemonstratedthatthereexistmarinehorizonsintheupperpartofthelowersubcycleandtheuppersubeycleoftheKizilsuGroupinXinjiang.basedonnewevidenceofauthigenicglauconite.boroncontent.carbonandoxygenstablcisotopicanalyses.andlithologicalandsedimentaryfeatures.Theup-perpartofthelowersubeycleisthelowermostmarinehorizonoftheCretaceousinthewesternTarimBasin,whichisinferredtobeofBarremianage.

简介：FromNovember1,2013,TranslationalLungCancerResearch(TLCR)isofficiallyendorsedbytheSpanishLungCancerGroup(Figure1).ThisisameaningfulmilestoneforTLCRasanacknowledgmentofitsexpansionanddedicationtolungcancerresearchandwilltremendouslyadvanceitscontinuedexplorationinthefield.SinceitwaslaunchedinMay2013,TLCRhasbeendedicatedtoprovidingcutting-edgefindingsintherapidly

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简介：运用有限元分析软件MIDAS,对30m跨度钢网架结构进行了静力、动力特性的计算,分析了其动力响应的特点,并根据规范要求对各工况荷载作用下的强度和刚度验算,其验算结果均满足现行规范要求.

简介：改革开放30年来，西藏高等教育从小到大、从弱到强，取得了举世瞩目的成就，已初步形成了能够满足西藏社会经济发展需求的涵盖高等职业、普通本（专）科、留学生教育、研究生教育的高等教育体系。国家乃至全社会为发展西藏高等教育采取了一系列行之有效的措施和政策，为西藏高等教育的发展提供了重要保障。经过近半个世纪特别是改革开放30年来的探索和实践，西藏已初步形成了符合西藏实际的发展高等教育事业的基本经验，凭借这些经验，西藏高等教育将迎来更大的辉煌。

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简介：这些照片是摄影师LrinaWerning的一个以《过去和未来》（Backtothefuture）为主题的拍摄作品。

简介：由江西铜业集团公司赛尔机械修造厂和江西省南昌天河科技实业有限公司共同开发研制成功的矿用ZD-30型电动装岩机，经过一段时间的使用，性能良好。

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简介：1．在有理数集合里定义一个运算“＊”，其规则为a＊b=a＋b/2．试求方程4＊（x＊2）=1/2的解．