HG 5025-1958 铜管口翻边活动法兰

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基本信息
标准名称:铜管口翻边活动法兰
中标分类: 机械 >> 通用零部件 >> 管路附件
替代情况:被HG 20592-20635-97代替
发布日期:
实施日期:1994-10-01
首发日期:
作废日期:
出版日期:
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所属分类: 机械 通用零部件 管路附件
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【英文标准名称】:Solidrecoveredfuels-Determinationofthecurrentrateofaerobicmicrobialactivityusingtherealdynamicrespirationindex;GermanversionEN15590:2011
【原文标准名称】:固体回收燃料.使用实际动力呼吸指数测定好氧微生物活动的气流强度;德文版本EN15590-2011
【标准号】:DINEN15590-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-11
【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】:
【英文主题词】:Biodegradability;Biological;Biomass;Definitions;Fuels;Materialstesting;Measurement;Measuringtechniques;Microbiologicalanalysis;Microorganisms;Odours;Oxygen;Oxygenuptake;Pathogenicbacteria;Pathogens;Recoveredfuels;Respiration;Risk;Self-heating;Solidfuels;Specifications;Testing
【摘要】:ThisEuropeanStandardspecifiesthedefinitionsandrequirementsofprefabricatedpolymermodifiedbituminousthickcoatingsusedforthewaterproofingofbelowgroundstructures.itappliestobothone-componentandtwo-componentproducts.
【中国标准分类号】:D20
【国际标准分类号】:75_160_10
【页数】:17P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodsforConstituentContentofCompositeMaterials
【原文标准名称】:复合材料成分含量用标准试验方法
【标准号】:ASTMD3171-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:复合材料;纤维含量;矩阵含量;增强含量;树脂含量;实心体积:复合物-航空航天材料/设施;高模数纤维复合物-树脂矩阵;矩阵浸煮;树脂(复合物);实心体积
【英文主题词】:compositematerials;fibercontent;matrixcontent;reinforcementcontent;resincontent;voidvolume:Composites--aerospacematerials/applications;Fibercontent;Highmodulusfibrouscomposites--resin-matrix;Matrixdigestion;Resins(composite);Voi
【摘要】:Aconstituentcontentofacompositematerialmustbeknowninordertoanalyticallymodelthematerialproperties(mechanical,physical,thermal,orelectrical)ofthecompositewhichareaffectedbythereinforcementormatrix.Also,knowledgeoftheconstituentcontentisrequiredforevaluationofthequalityofafabricatedmaterialandtheprocessesusedduringfabrication.Thevoidvolumeofacompositematerialmaysignificantlyaffectsomeofitsmechanicalproperties.Highervoidvolumesusuallymeanlowerfatigueresistance,greatersusceptibilitytomoisturepenetrationandweathering,andincreasedvariationorscatterinstrengthproperties.Knowledgeofthevoidvolumeofacompositematerialisdesirableasanindicationofthequalityofacomposite.Reinforcementcontentmaybeusedtonormalizemechanicalpropertiesaffectedbyamountofreinforcementinthecoupon.1.1Thesetestmethodsdeterminetheconstituentcontentofcompositematerialsbyoneoftwoapproaches.MethodIphysicallyremovesthematrixbydigestionorignitionbyoneofsevenprocedures,leavingthereinforcementessentiallyunaffectedandthusallowingcalculationofreinforcementormatrixcontent(byweightorvolume)aswellaspercentvoidvolume.MethodII,applicableonlytolaminatematerialsofknownfiberarealweight,calculatesreinforcementormatrixcontent(byweightorvolume),andthecuredplythickness,basedonthemeasuredthicknessofthelaminate.MethodIIisnotapplicabletothemeasurementofvoidvolume.1.1.1Thesetestmethodsareprimarilyintendedfortwo-partcompositematerialsystems.However,specialprovisionscanbemadetoextendthesetestmethodstofilledmaterialsystemswithmorethantwoconstituents,thoughnotalltestresultscanbedeterminedineverycase.1.1.2Theprocedurescontainedwithinhavebeendesignedtobeparticularlyeffectiveforcertainclassesofpolymerormetalmatrices.ThesuggestedapplicationsarediscussedinSection4,aswellasatthestartofeachprocedure.1.1.3MethodIassumesthatthereinforcementisessentiallyunaffectedbythedigestionorignitionmedium.Aprocedureforcorrectionoftheresultsforminorchangesinthereinforcementisincluded.ProceduresAthroughFarebasedonchemicalremovalofthematrixwhileProcedureGremovesthematrixbyignitingthematrixinafurnace.1.1.4MethodIIassumesthatthefiberarealweightofthereinforcementmaterialformisknownorcontrolledtoanacceptabletolerance.Thepresenceofvoidsisnotmeasured.Eq9and10assumezerovoidcontenttoperformthecalculation.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection9foradditionalinformation.
【中国标准分类号】:G30
【国际标准分类号】:83_140_20
【页数】:10P.;A4
【正文语种】: