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139 个结果
  • 简介:<正>Regularlyplayingsportsorexercisingisbecominganimportantpartofahealthylifestyle.Asthepopulationplayingsportsandexercisingisincreasing,incidentsofsportsinjuriesarealsoincreasing.Sportsinjuriesresultindevastatingphysical,psychological,andfinancialconsequencesandsignificantlyimpactthelevelofactivityandqualityoflifeofpatients,whichhavenotbeenfullyrecognizedbyoursociety.Preventingsportsinjuriesandimprovingrehabilitationof

  • 标签: REHABILITATION INJURIES SPORTS consequences psycho
  • 简介:1ScopeThisstandardspecifiestheglossaryanddefinition,marking,shapeanddimension,technicalrequirements,testmethod,qualityappraisalprocedure,packing,label,transportation,storageandqualitycertificationofsilicabrickforhotblaststove.

  • 标签: 热风炉 硅砖 耐火材料 品质
  • 简介:Thisstandardissuitabletothefireclaybricksforblastfurnace.1Classification,ShapeandDimension1.1Accordingtophysicalandchemicalindexes,thebrickcanbedividedintotwotrademarks:ZGN-42and

  • 标签: 耐火砖 耐火材料 高岭石 鼓风炉
  • 简介:Objective:Tosummarizethereconstructionexperienceoftheelectricalinjuriesinemergency.Methods:All309woundsin105patientswhosufferedfromelectricalinjurieswerereviewedduringa10yearperiodfromJan.1st1986toDec.31st,1996.Treatmentmethod,patientdataandresultswerecomparedandanalyzed.Acomprehensiveurgentreconstructionalternativeusedinallcasesincludedthefollowings,1)debridingthewoundinemergency,2)preservingthevitaltissuesasmuchaspossible,evendevitalizedtissuesorlocalnecrosis,3)transplantingthesevitaltissuesduringthefirstsurgeryifthefunctionalreconstructionrequired,4)nourishingthewoundbedbytissueflapscoveringwithrichbloodsupply,5)improvingflapsurvivalbycontinuousirrigationfor24-720hoursbeneaththeflapswithacompoundmedicineaftersurgery.Results:Satisfactoryresultswereobtainedwiththeextremitylossratiooflessthan7%inthisgroupcomparedwith42.5%whichwas10yearsbefore1984inthesamehospital.Conclusions:Thisurgentcomprehensivereconstructionalternativeisaneffectiveandworkablemethodforreducingextremitylossofelectricalinjuries.

  • 标签: 电损伤 紧急重建 冲洗 外科瓣
  • 简介:Objective:Toassessthetherapeuticeffectofulinastatinonseverecraniocerebralinjuriesandtoexploreitsmechanism.Methods:Therewere87casesofseverebraininjuryinthisseriesandtheywereeithertreatedbyulinastatin(treatmentgroup,41cases)ornot(controlgroup,46cases)besidesroutinemanagements.WeestimatedC-reactiveprotein,interleukin-6,superoxidedismutase,andendothelinfromplasmasofallthecasesonthe1st,3rd,5th,and7thdayafterinjury.Results:C-reactiveproteinlevelroseonthe1stand3rddayafterinjuryinthetwogroups,butdescendedintreatmentgrouponthe5thand7thdayandwassignificantlylowerthanthatincontrolgroup(P<0.01).Nosignificantdifferencewasfoundforinterleukin-6intwogroupsduring1-5daysafterinjury,butonthe7thday,itdecreasedsignificantlyintreatmentgroupthancontrolone(P<0.01).Superoxidedismutasewashigherintreatmentgroupthancontrolonein5-7daysafterinjury(P<0.01).Endothelinelevatedonthe1stdayafterinjurybutdroppedafterwardsinthetwogroups,inwhichthelevelintreatmentgroupwaslowerthanthatincontrolone.Theincidenceofgastrointestinalhemorrhagewaslowerintreatmentgroupthancontrolone(P<0.01).Conclusions:Ulinastatinhasthefunctionofprotectingcerebraltissue,reducingtheincidenceofgastrointestinalhemorrhage,improvinghepaticandrenalfunctionandprognosis.

  • 标签: 临床应用 严重颅脑损伤 药物治疗 病理机制
  • 简介:Theblastfurnaceistheoldestmetallurgicalprocessincommercialuse.Ithasgonethroughgreatimprovementsduringthelastdecadesandnewimportantmodificationsarestillforeseen.Thehugeamountofcoalandcokeneededforreductionofironoreisresultinginemissionsofcarbondioxidethathavetobestronglyreducedtomeettherequirementofminimizingthecarbonfootprint.Allresidualsfromiron-andsteelmakingalsoneedtobetakencareoftomeettherequirementofzerowaste.ThispaperdealswithseveralpotentialimprovementsoftheblastfurnaceprocessbeingdevelopedintheLKABExperimentalBlastFurnaceinLulea,Swedenoverthelastdecade,includingoperationatultralowslagvolume,injectionofBFfluedust,injectionofBOFslag,andtheoxygenblastfurnace.

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  • 简介:Low-creepandalusitebricksarecharacterizedbyhighrefractorinessunderload,goodanti-creepproperty,highmechanicalstrength,lowporosity,goodthermalshockresistance,etc.Inthisstudy,low-creepandalusitebrickspecimenswereinvestigatedinthelabusingmullite,bauxiteandandalusite.Andalusitewiththedifferentparticlesizeswereusedintheexperimentandthespecimenwiththebestpropertywasselectedastheproductionstandard.Inaddition,theindustrialproducedlow-creepandalusitebrickswerecomparedwithotherlow-creepbricks.Theresultsshowthatthedevelopedlow-creepandalusitebricksisanexcellentmaterialforhotblaststove.

  • 标签: 红柱石 热风火炉 建筑材料
  • 简介:YB/T5107-20041ScopeThisstandardspecifiestheclassification,shape,dimension,technicalrequirements,testmethod,inspectionrules,packing,marking,transportation,storageandqualitycertificationoffireclayrefractorybricksforhotblaststove.Thisstandardisapplicabletothenormalfireclayrefractorybricksandlowcreepfireclayrefractorybricksforhotblaststove.

  • 标签: 耐火材料 耐火砖 热风炉 生产技术
  • 简介:TheapplicationstateofanhydroustapholeclayinChinaandoverseaswasintroduced.Thecharactersandrequirementsofstartingmaterialsofanhydroustapholeclayforblastfurnace,andtheformulationandpropertiesofanhydroustapholeclayinsomeplantswerementioned.Theenvironmentproblemsofanhydroustapholeclaywerediscussedandthedevelopingtrendwaspointedout.

  • 标签: 铁口 无水 高炉 粘土材料 路用性能 环境问题
  • 简介:Objective:Toevaluatethetreatmentforpatientswithmajorvascularinjuriesassociatedwithtraumaticorthopedicinjuries.Methods:Atotalof196patients,agedfrom4-67yearswiththemeanageof29.88years,hadmajorvascularinjuriesassociatedwithtraumaticorthopedicinjuriesandweretreatedinourhospitalinaperiodof44years.Themostcommonmechanismoftraumawasblunttrauma(67.3%),openinjuriesaccountedfor32.4%and54.5%oftheinjurieswerelocatedinthelowerextremities.Thevascularinjuryfrequentlyhappenedinthefemoralartery(26.7%)andpoplitealartery(20.3%).Thetreatmentprincipleconsistedofaggressiveresuscitation,Dopplerimagingandstableboneinternalfixationwithsubsequentvascularrepairanddebridement.Thevascularrepairforinjuriesincludedend-to-endanastomosis(80cases,39.6%),interpositionalveingraft(94,46.5%),vasculardecompressionthroughfracturedistraction(18,8.9%),arterialligation(6,3.0%),veinpatch(2,1.0%),bypassgraft(2,1.0%),venousrepairincludingautogenousveingraft(9,24.3%)andligation(28,75.7%)andprophylacticalfasciotomy(15,7.4%).Postoperativeamputationwasperformedin16cases(16.3%).Results:Nointraoperativedeathwasobservedandallfracturesunitedwithin6months.Limbsweresalvagedin180patients(91.8%).Amongthesepatients,earlycomplicationswerefoundin19patients(9.7%)andlatecomplicationswereobservedin8patients(4.1%).Conclusions:Awell-organizedapproach,basedonaspecifictreatmentprinciple,notonlyimprovesclinicaloutcomebutalsodoesgoodtoexcellentfunctionalrecoveryforpatientswithsevereorthopedicinjuriesandconcomitantvascularlesion.

  • 标签: 血管 修复方法 外科 处理方式
  • 简介:锁骨下的脉管的损害说明所有脉管的损害的1%-5%。如果没及时发现或迅速设法,锁骨下的脉管的损害是可能的引起出血性的吃惊甚至死亡。从通过2003的8月的1998的三月,有锁骨下的脉管的损害的15个盒子的一个总数在我们的部门被对待。细节在这份报告的redescribed。

  • 标签: 锁骨下血管损伤 治疗 临床 病理
  • 简介:肌肉损害在运动仍然是最普通的损害之一,还尽管有这,几乎没有怎么有效地描述或决定特定的肌肉损害的预后到也上的很少一致。肌肉分类的众多的途径并且药分级在最后世纪被使用了,但是在最后十年,历史性的途径的限制被认出了。作为后果,在过去的10年里,临床的研究组开始询问了历史性的途径并且重新考虑肌肉损害被分类并且描述的方法。用一条记事途径,这张手稿描述几次最近的尝试分类并且分级肌肉损害并且加亮每个系统的相对力量和软弱。当时每新分类和分级的系统有力量,几乎在那里不在全面的一个系统和基于的证据上仍然是很少一致。很少在分级的系统以内的当前识别的特征有关联到精确地决定预后。

  • 标签: 分类 分级 磁性的回声成像 肌肉损害 回来玩 超声
  • 简介:AftertheprogressivecollapseofRonanPointapartmentinUKin1968,intensiveresearchefforthadbeenspentondevelopingguidelinesfordesignofneworstrengtheningtheexistingstructurestopreventprogressivecollapse.However,onlyveryfewbuildingdesigncodesprovidesomerathergeneralguidance,nodetaileddesignrequirementisgiven.ProgressivecollapseoftheAlfredP.MurrahFederalbuildinginOklahomaCityandtheWorldTradeCentre(WTC)sparkedagaintremendousresearchinterestonprogressivecollapseofstructures.Recently,USDepartmentofDefence(DoD)andUSGeneralServiceAdministration(GSA)issuedguidelinesforstructureprogressivecollapseanalysis.Thesetwoguidelinesaremostcommonlyused,buttheiraccuracyisnotknown.Thispaperpresentsnumericalanalysisofprogressivecollapseofanexampleframestructuretoblastloads.TheDoDandGSAproceduresarealsousedtoanalysethesameexamplestructure.Numericalresultsarecomparedanddiscussed.Theaccuracyandtheapplicabilityofthetwodesignguidelinesareevaluated.

  • 标签: 循序倒塌 爆炸负荷 损伤力学 数字分析 建筑结构
  • 简介:TheproblemofshortlifehearthofblastfurnacewassolvedthroughtheadoptionoflonglifetechnologiessuchastheapplicationofUCARhotpressedcarbonbrick-ceramiccupcompoundliningtechnology,closed-loopsoftwatercoolingsystem,enhancingtapholemaintenanceandschreyeriteliningprotectionetc.Longlifeandhighproductivityhadbeenachievedsuccessfully.ThetransitionoftechnologicalprocessesofthehearthforblastfurnacesatBenGangareoutlinedinthispaper.

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  • 简介:YB/T5016-20001ScopeThisstandardspecifiesthetechnicalrequirements,testmethod,inspectionrules,packing,marking,transportation,storageandqualitycertificateofbauxitebasedrefractorybricksforhotblaststove.

  • 标签: 铁铝氧石 耐火砖 热送风炉 生产技术