JT/T 323-1997 波状挡边带式输送机技术条件
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基本信息
| 标准名称： | 波状挡边带式输送机技术条件 |
| 英文名称： | General specifications for walled belt conveyors |
| 中标分类： | 机械 >> 通用机械与设备 >> 输送机械 |
| 发布日期： | 1997-05-15 |
| 实施日期： | 1997-10-01 |
| 首发日期： | |
| 作废日期： | 2006-12-19 |
| 出版日期： | |
| 页数： | 13页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 机械 通用机械与设备 输送机械
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【英文标准名称】:Germanstandardmethodsfortheexaminationofwater,wastewaterandsludge;physicalandphysicochemicalparameters(groupC);determinationoftritium(C13)
【原文标准名称】:德国检验水、废水和污泥的标准方法.污泥和沉积物(S组).第9部分:物理和物理化学参数(C组).氚的测定(C13)
【标准号】:DIN38404-13-1988
【标准状态】:现行
【国别】:德国
【发布日期】:1988-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;地表水;水质试验;放射性;氢同位素;氚;水;饮用水;化学分析和试验;分析;额定值;物理化学法;污水;蒸馏分析法;放射性物质;地下水;标准方法;含量测定;放射性同位素;光谱化学分析
【英文主题词】:
【摘要】:Thestandarddescribesachemical-physicalmethodforthedeterminationofthetritiumcontentinwaterforaconcentrationrangefrom10Bq/lto6BMq/l.Thewatersampleistodistilandthedistillatetomeasurewithaliquidscintillationspectrometer.
【中国标准分类号】:P41
【国际标准分类号】:13_060_40
【页数】:9P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMonotonicTensileBehaviorofContinuousFiber-ReinforcedAdvancedCeramicswithSolidRectangularCross-SectionTestSpecimensatAmbientTemperature
【原文标准名称】:室温下用实心矩形截面试样进行连续纤维增强高级陶瓷恒定抗拉性能的标准试验方法
【标准号】:ASTMC1275-2010
【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】:C28.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:陶瓷基体混合
【英文主题词】:ceramicmatrixcomposite
【摘要】:Thistestmethodmaybeusedformaterialdevelopment,materialcomparison,qualityassurance,characterization,anddesigndatageneration.Continuousfiber-reinforcedceramicmatrixcompositesgenerallycharacterizedbyfinegrainsized(x003C;50x03BC;m)matricesandceramicfiberreinforcementsarecandidatematerialsforstructuralapplicationsrequiringhighdegreesofwearandcorrosionresistance,andhigh-temperatureinherentdamagetolerance(thatis,toughness).Inaddition,continuousfiber-reinforcedglass(amorphous)matrixcompositesarecandidatematerialsforsimilarbutpossiblyless-demandingapplications.Althoughflexuraltestmethodsarecommonlyusedtoevaluatestrengthsofmonolithicadvancedceramics,thenon-uniformstressdistributionoftheflexurespecimeninadditiontodissimilarmechanicalbehaviorintensionandcompressionforCFCCsleadtoambiguityofinterpretationofstrengthresultsobtainedfromflexuretestsforCFCCs.Uniaxial-loadedtensilestrengthtestsprovideinformationonmechanicalbehaviorandstrengthforauniformly-stressedmaterial.Unlikemonolithicadvancedceramicswhichfracturecatastrophicallyfromasingledominantflaw,CFCCsgenerallyexperiencex201C;gracefulx201D;fracturefromacumulativedamageprocess.Therefore,thevolumeofmaterialsubjectedtoauniformtensilestressforasingleuniaxially-loadedtensiletestmaynotbeassignificantafactorindeterminingtheultimatestrengthsofCFCCs.However,theneedtotestastatisticallysignificantnumberoftensiletestspecimensisnotobviated.Therefore,becauseoftheprobabilisticnatureofthestrengthdistributionsofthebrittlematricesofCFCCs,asufficientnumberoftestspecimensateachtestingconditionisrequiredforstatisticalanalysisanddesign.StudiestodeterminetheexactinfluenceoftestspecimenvolumeonstrengthdistributionsforCFCCshavenotbeencompleted.Itshouldbenotedthattensilestrengthsobtainedusingdifferentrecommendedtensilespecimenswithdifferentvolumesofmaterialinthegagesectionsmaybedifferentduetothesevolumedifferences.Tensiletestsprovideinformationonthestrengthanddeformationofmaterialsunderuniaxialtensilestresses.Uniformstressstatesarerequiredtoeffectivelyevaluateanynon-linearstress-strainbehaviorwhichmaydevelopastheresultofcumulativedamageprocesses(forexample,matrixcracking,matrix/fiberdebonding,fiberfracture,delamination,etc.)whichmaybeinfluencedbytestingmode,testingrate,processingoralloyingeffects,orenvironmentalinfluences.Someoftheseeffectsmaybeconsequencesofstresscorrosionorsubcritical(slow)crackgrowththatcanbeminimizedbytestingatsufficientlyrapidratesasoutlinedinthistestmethod.Theresultsoftensiletestsoftestspecimensfabricatedtostandardizeddimensionsfromaparticularmaterialorselectedportionsofapart,orboth,maynottotallyrepresentthestrengthanddeformationpropertiesoftheentire,full-sizeendproductoritsin-servicebehaviorindifferentenvironments.Forqualitycontrolpurposes,resultsderivedfromstandardizedtensiletestspecimensmaybeconsideredindicativeoftheresponseofthematerialfromwhichtheyweretakenfor,givenprimaryprocessingconditionsandpost-processingheattreatments.ThetensilebehaviorandstrengthofaCFCCaredependentonitsinherentresistancetofracture,thepresenceofflaws,ordamageaccumulationprocesses,orboth.Analysisoffracturesurfacesandfractography,thoughbeyondthescopeofthistestmethod,ishighlyrecommended.1.1Thistestmethodcoversthedeterminationoftensilebehaviorincluding......
【中国标准分类号】:
【国际标准分类号】:81_060_99
【页数】:21P.;A4
【正文语种】:
【原文标准名称】:德国检验水、废水和污泥的标准方法.污泥和沉积物(S组).第9部分:物理和物理化学参数(C组).氚的测定(C13)
【标准号】:DIN38404-13-1988
【标准状态】:现行
【国别】:德国
【发布日期】:1988-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;地表水;水质试验;放射性;氢同位素;氚;水;饮用水;化学分析和试验;分析;额定值;物理化学法;污水;蒸馏分析法;放射性物质;地下水;标准方法;含量测定;放射性同位素;光谱化学分析
【英文主题词】:
【摘要】:Thestandarddescribesachemical-physicalmethodforthedeterminationofthetritiumcontentinwaterforaconcentrationrangefrom10Bq/lto6BMq/l.Thewatersampleistodistilandthedistillatetomeasurewithaliquidscintillationspectrometer.
【中国标准分类号】:P41
【国际标准分类号】:13_060_40
【页数】:9P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMonotonicTensileBehaviorofContinuousFiber-ReinforcedAdvancedCeramicswithSolidRectangularCross-SectionTestSpecimensatAmbientTemperature
【原文标准名称】:室温下用实心矩形截面试样进行连续纤维增强高级陶瓷恒定抗拉性能的标准试验方法
【标准号】:ASTMC1275-2010
【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】:C28.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:陶瓷基体混合
【英文主题词】:ceramicmatrixcomposite
【摘要】:Thistestmethodmaybeusedformaterialdevelopment,materialcomparison,qualityassurance,characterization,anddesigndatageneration.Continuousfiber-reinforcedceramicmatrixcompositesgenerallycharacterizedbyfinegrainsized(x003C;50x03BC;m)matricesandceramicfiberreinforcementsarecandidatematerialsforstructuralapplicationsrequiringhighdegreesofwearandcorrosionresistance,andhigh-temperatureinherentdamagetolerance(thatis,toughness).Inaddition,continuousfiber-reinforcedglass(amorphous)matrixcompositesarecandidatematerialsforsimilarbutpossiblyless-demandingapplications.Althoughflexuraltestmethodsarecommonlyusedtoevaluatestrengthsofmonolithicadvancedceramics,thenon-uniformstressdistributionoftheflexurespecimeninadditiontodissimilarmechanicalbehaviorintensionandcompressionforCFCCsleadtoambiguityofinterpretationofstrengthresultsobtainedfromflexuretestsforCFCCs.Uniaxial-loadedtensilestrengthtestsprovideinformationonmechanicalbehaviorandstrengthforauniformly-stressedmaterial.Unlikemonolithicadvancedceramicswhichfracturecatastrophicallyfromasingledominantflaw,CFCCsgenerallyexperiencex201C;gracefulx201D;fracturefromacumulativedamageprocess.Therefore,thevolumeofmaterialsubjectedtoauniformtensilestressforasingleuniaxially-loadedtensiletestmaynotbeassignificantafactorindeterminingtheultimatestrengthsofCFCCs.However,theneedtotestastatisticallysignificantnumberoftensiletestspecimensisnotobviated.Therefore,becauseoftheprobabilisticnatureofthestrengthdistributionsofthebrittlematricesofCFCCs,asufficientnumberoftestspecimensateachtestingconditionisrequiredforstatisticalanalysisanddesign.StudiestodeterminetheexactinfluenceoftestspecimenvolumeonstrengthdistributionsforCFCCshavenotbeencompleted.Itshouldbenotedthattensilestrengthsobtainedusingdifferentrecommendedtensilespecimenswithdifferentvolumesofmaterialinthegagesectionsmaybedifferentduetothesevolumedifferences.Tensiletestsprovideinformationonthestrengthanddeformationofmaterialsunderuniaxialtensilestresses.Uniformstressstatesarerequiredtoeffectivelyevaluateanynon-linearstress-strainbehaviorwhichmaydevelopastheresultofcumulativedamageprocesses(forexample,matrixcracking,matrix/fiberdebonding,fiberfracture,delamination,etc.)whichmaybeinfluencedbytestingmode,testingrate,processingoralloyingeffects,orenvironmentalinfluences.Someoftheseeffectsmaybeconsequencesofstresscorrosionorsubcritical(slow)crackgrowththatcanbeminimizedbytestingatsufficientlyrapidratesasoutlinedinthistestmethod.Theresultsoftensiletestsoftestspecimensfabricatedtostandardizeddimensionsfromaparticularmaterialorselectedportionsofapart,orboth,maynottotallyrepresentthestrengthanddeformationpropertiesoftheentire,full-sizeendproductoritsin-servicebehaviorindifferentenvironments.Forqualitycontrolpurposes,resultsderivedfromstandardizedtensiletestspecimensmaybeconsideredindicativeoftheresponseofthematerialfromwhichtheyweretakenfor,givenprimaryprocessingconditionsandpost-processingheattreatments.ThetensilebehaviorandstrengthofaCFCCaredependentonitsinherentresistancetofracture,thepresenceofflaws,ordamageaccumulationprocesses,orboth.Analysisoffracturesurfacesandfractography,thoughbeyondthescopeofthistestmethod,ishighlyrecommended.1.1Thistestmethodcoversthedeterminationoftensilebehaviorincluding......
【中国标准分类号】:
【国际标准分类号】:81_060_99
【页数】:21P.;A4
【正文语种】: