EN 2045-2001 航空航天系列.公差等级h11、厚度6mma50mm的铝及铝合金拉制方棒.尺寸

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【英文标准名称】:Aerospaceseries-Squarebars,drawn,inaluminiumandaluminiumalloys,toleranceclassh11,thickness6mma50mm-Dimensions;GermanandEnglishversionEN2045:2001
【原文标准名称】:航空航天系列.公差等级h11、厚度6mma50mm的铝及铝合金拉制方棒.尺寸
【标准号】:EN2045-2001
【标准状态】:现行
【国别】:
【发布日期】:2003-06
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:厚度测量;方形棒材;厚度;尺寸;材料;航天运输;竿材;铝;公差(测量);多语种的;铝合金;作标记;航空运输;规范(验收);名称与符号;合金;航空航天运输
【英文主题词】:Aerospacetransport;Airtransport;Alloys;Aluminium;Aluminiumalloys;Designations;Dimensions;Marking;Materials;Multilingual;Poles;Spacetransport;Specification(approval);Squarebars;Thickness;Thicknessmeasurement;Tolerances(measurement)
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:49_025_20
【页数】:13P.;A4
【正文语种】:英语


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【英文标准名称】:Medicalinformatics-Securitycategorisationandprotectionforhealthcareinformationsystems;EnglishversionENV12924:1997
【原文标准名称】:医学信息学.保健信息系统用安全性类别和保护
【标准号】:DINVENV12924-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:保健;公共卫生;信息交换;信息交换;数据处理;定义;规范(验收);信息安全;办公室管理;数据安全;医学科学
【英文主题词】:Computersciences;Dataprocessing;Datasecurity;Definition;Definitions;Healthprotection;Informationinterchange;Informationsecurity;Medicalinformatics;Medicalsciences;Messageinterchanges;Officemanagement;Publichealth;Specification(approval)
【摘要】:
【中国标准分类号】:C07
【国际标准分类号】:35_240_80
【页数】:75P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforObtainingandTestingDrilledCoresandSawedBeamsofConcrete
【原文标准名称】:混凝土钻芯样和截梁样获取和测试的标准试验方法
【标准号】:ASTMC42/C42M-2010a
【标准状态】:现行
【国别】:
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C09.61
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:耐压强度;混凝土芯;混凝土锯;混凝土强度;抗弯强度;劈拉强度;长度变化;混凝土心;混凝土试样;钻孔混凝土试样;锯梁(混凝土)
【英文主题词】:compressivestrength;concretecoring;concretesawing;concretestrength;flexuralstrength;splittingtensilestrength;Changeinlength;Concretecores;Concretetestspecimens;Drilledconcretecores;Sawedbeams(concrete)
【摘要】:Thistestmethodprovidesstandardizedproceduresforobtainingandtestingspecimenstodeterminethecompressive,splittingtensile,andflexuralstrengthofin-placeconcrete.Generally,testspecimensareobtainedwhendoubtexistsaboutthein-placeconcretequalitydueeithertolowstrengthtestresultsduringconstructionorsignsofdistressinthestructure.Anotheruseofthismethodistoprovidestrengthinformationonolderstructures.Concretestrengthisaffectedbythelocationoftheconcreteinastructuralelement,withtheconcreteatthebottomtendingtobestrongerthantheconcreteatthetop.Corestrengthisalsoaffectedbycoreorientationrelativetothehorizontalplaneoftheconcreteasplaced,withstrengthtendingtobelowerwhenmeasuredparalleltothehorizontalplane.Thesefactorsshallbeconsideredinplanningthelocationsforobtainingconcretesamplesandincomparingstrengthtestresults.Thestrengthofconcretemeasuredbytestsofcoresisaffectedbytheamountanddistributionofmoistureinthespecimenatthetimeoftest.Thereisnostandardproceduretoconditionaspecimenthatwillensurethat,atthetimeoftest,itwillbeintheidenticalmoistureconditionasconcreteinthestructure.Themoistureconditioningproceduresinthistestmethodareintendedtoprovidereproduciblemoistureconditionsthatminimizewithin-laboratoryandbetween-laboratoryvariationsandtoreducetheeffectsofmoistureintroducedduringspecimenpreparation.Thereisnouniversalrelationshipbetweenthecompressivestrengthofacoreandthecorrespondingcompressivestrengthofstandard-curedmoldedcylinders.Therelationshipisaffectedbymanyfactorssuchasthestrengthleveloftheconcrete,thein-placetemperatureandmoisturehistory,andthestrengthgaincharacteristicsoftheconcrete.Historically,ithasbeenassumedthatcorestrengthsaregenerally85%ofthecorrespondingstandard-curedcylinderstrengths,butthisisnotapplicabletoallsituations.Theacceptancecriteriaforcorestrengtharetobeestablishedbythespecifierofthetests.ACI318providescorestrengthacceptancecriteriafornewconstruction.1.1Thistestmethodcoversobtaining,preparing,andtestingcoresdrilledfromconcreteforlengthorcompressivestrengthorsplittingtensilestrengthdeterminations.Note18212;AppendixX1providesrecommendationsforobtainingandtestingsawedbeamsforflexuralperformance.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thetextofthisstandardreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q14
【国际标准分类号】:91_100_30
【页数】:6P.;A4
【正文语种】: