EJ/T 272.2-1985 铀矿冶外排废水铬的分析方法
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基本信息
| 标准名称： | 铀矿冶外排废水铬的分析方法 |
| 中标分类： | 能源、核技术 >> 辐射防护与监测 >> 放射性三废处理 |
| 替代情况： | 被GB/T 7476-1987代替 被GB/T 7477-1987代替 |
| 发布日期： | |
| 实施日期： | 1986-09-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 9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： 能源 核技术 辐射防护与监测 放射性三废处理
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【英文标准名称】:StandardTestMethodforEnvironmentalStress-CrackResistanceofBlow-MoldedPolyethyleneContainers
【原文标准名称】:吹模制聚乙烯容器抗环境应力裂纹的标准试验方法
【标准号】:ASTMD2561-1995(2005)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D20.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:热固性聚合物;容器;环境影响;包装件;环境试验;塑料;聚乙烯;试验
【英文主题词】:blow-moldedcontainers;environmentalstress-crack;plasticbottles;polyethylenecontainers
【摘要】:Whenproperlyused,theseproceduresmayservetoisolatesuchfactorsasmaterial,blow-moldingconditions,post-treatment,andsoforth,onthestress-crackresistanceofthecontainer.Environmentalstresscrackingofblow-moldedcontainersisgovernedbymanyfactors.Sincevarianceofanyofthesefactorscanchangetheenvironmentalstress-crackresistanceofthecontainer,thetestresultsarerepresentativeonlyofagiventestperformedunderdefinedconditionsinthelaboratory.Thereproducibilityofresultsbetweenlaboratoriesoncontainersmadeonmorethanonemachinefrommorethanonemoldhasnotbeenestablished.Resultscanbeusedforestimatingtheshelflifeofblow-moldedcontainersintermsoftheirresistancetoenvironmentalstresscrackingprovidedthisisdoneagainstarigorousbackgroundofpracticalfieldexperienceandreproducibletestdata.Beforeproceedingwiththistestmethod,referenceshouldbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,oracombinationthereof,coveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Iftherearenomaterialspecifications,thenthedefaultconditionsapply.1.1Undercertainconditionsofstress,andinthepresenceofenvironmentssuchassoaps,wettingagents,oils,ordetergents,blow-moldedpolyethylenecontainersmayexhibitmechanicalfailurebycrackingatstressesappreciablybelowthosethatwouldcausecrackingintheabsenceoftheseenvironments.1.2Thistestmethodmeasurestheenvironmentalstress-crackresistanceofcontainers,whichisthesummationoftheinfluenceofcontainerdesign,resin,blow-moldingconditions,posttreatment,orotherfactorsthatcanaffectthisproperty.Threeproceduresareprovidedasfollows:1.2.1ProcedureA,Stress-CrackResistanceofContainerstoCommercialLiquids8212;Thisprocedureisparticularlyusefulfordeterminingtheeffectofcontainerdesignonstress-crackresistanceorthestress-crackresistanceofaproposedcommercialpackagecontainingaproprietaryliquidproduct.1.2.2ProcedureB,Stress-CrackResistanceofaSpecificContainertoPolyoxyethylatedNonylphenol,aStress-CrackingAgent8212;TheconditionsoftestdescribedinthisprocedurearedesignedfortestingcontainersmadefromTypeIIIpolyethyleneSpecificationD1248.Therefore,thisprocedureisrecommendedforcontainersmadefromTypeIIIpolyethyleneonly.Thisprocedureisparticularlyusefulfordeterminingtheeffectofresinonthestress-crackresistanceofthecontainer.1.2.3ProcedureC,ControlledElevatedPressureStress-CrackResistanceofaSpecificContainertoPolyoxyethylatedNonylphenol,aStress-CrackingAgent8212;Theinternalpressureiscontrolledataconstantelevatedlevel.1.3Theseproceduresarenotdesignedtotestthepropensityforenvironmentalstresscrackingintheneckofcontainers,suchaswhentheneckissubjectedtoacontrolledstrainbyinsertingaplug.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Note18212;ThereisnosimilarorequivalentISOstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection8andNotes1and9.
【中国标准分类号】:A80
【国际标准分类号】:83_080_20;83_140_99
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Informationtechnology.Telecommunicationsandinformationexchangebetweensystems.High-leveldatalinkcontrolprocedures.DescriptionoftheX.25LAPB-compatibleDTEdatalinkprocedures
【原文标准名称】:信息技术.系统之间的通信和信息交流.高级数据链路控制规程.X.25LAPB(按位链接的访问过程)-兼容数据终端设备数据链接过程的描述
【标准号】:BSISO/IEC7776-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-12-15
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机终端;高级数据链路控制规程;同步传输;帧;数据传送;X.25;数据传输控制规程;合格;数据传输;接口(数据加工);计算机网络;信息交流;数据布置;通信规程;开放系统互连;数据链路层;协议;包交换网络;计算机间通信
【英文主题词】:
【摘要】:
【中国标准分类号】:L78
【国际标准分类号】:33_020;35_200
【页数】:48P;A4
【正文语种】:英语
【原文标准名称】:吹模制聚乙烯容器抗环境应力裂纹的标准试验方法
【标准号】:ASTMD2561-1995(2005)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D20.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:热固性聚合物;容器;环境影响;包装件;环境试验;塑料;聚乙烯;试验
【英文主题词】:blow-moldedcontainers;environmentalstress-crack;plasticbottles;polyethylenecontainers
【摘要】:Whenproperlyused,theseproceduresmayservetoisolatesuchfactorsasmaterial,blow-moldingconditions,post-treatment,andsoforth,onthestress-crackresistanceofthecontainer.Environmentalstresscrackingofblow-moldedcontainersisgovernedbymanyfactors.Sincevarianceofanyofthesefactorscanchangetheenvironmentalstress-crackresistanceofthecontainer,thetestresultsarerepresentativeonlyofagiventestperformedunderdefinedconditionsinthelaboratory.Thereproducibilityofresultsbetweenlaboratoriesoncontainersmadeonmorethanonemachinefrommorethanonemoldhasnotbeenestablished.Resultscanbeusedforestimatingtheshelflifeofblow-moldedcontainersintermsoftheirresistancetoenvironmentalstresscrackingprovidedthisisdoneagainstarigorousbackgroundofpracticalfieldexperienceandreproducibletestdata.Beforeproceedingwiththistestmethod,referenceshouldbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,oracombinationthereof,coveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Iftherearenomaterialspecifications,thenthedefaultconditionsapply.1.1Undercertainconditionsofstress,andinthepresenceofenvironmentssuchassoaps,wettingagents,oils,ordetergents,blow-moldedpolyethylenecontainersmayexhibitmechanicalfailurebycrackingatstressesappreciablybelowthosethatwouldcausecrackingintheabsenceoftheseenvironments.1.2Thistestmethodmeasurestheenvironmentalstress-crackresistanceofcontainers,whichisthesummationoftheinfluenceofcontainerdesign,resin,blow-moldingconditions,posttreatment,orotherfactorsthatcanaffectthisproperty.Threeproceduresareprovidedasfollows:1.2.1ProcedureA,Stress-CrackResistanceofContainerstoCommercialLiquids8212;Thisprocedureisparticularlyusefulfordeterminingtheeffectofcontainerdesignonstress-crackresistanceorthestress-crackresistanceofaproposedcommercialpackagecontainingaproprietaryliquidproduct.1.2.2ProcedureB,Stress-CrackResistanceofaSpecificContainertoPolyoxyethylatedNonylphenol,aStress-CrackingAgent8212;TheconditionsoftestdescribedinthisprocedurearedesignedfortestingcontainersmadefromTypeIIIpolyethyleneSpecificationD1248.Therefore,thisprocedureisrecommendedforcontainersmadefromTypeIIIpolyethyleneonly.Thisprocedureisparticularlyusefulfordeterminingtheeffectofresinonthestress-crackresistanceofthecontainer.1.2.3ProcedureC,ControlledElevatedPressureStress-CrackResistanceofaSpecificContainertoPolyoxyethylatedNonylphenol,aStress-CrackingAgent8212;Theinternalpressureiscontrolledataconstantelevatedlevel.1.3Theseproceduresarenotdesignedtotestthepropensityforenvironmentalstresscrackingintheneckofcontainers,suchaswhentheneckissubjectedtoacontrolledstrainbyinsertingaplug.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Note18212;ThereisnosimilarorequivalentISOstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection8andNotes1and9.
【中国标准分类号】:A80
【国际标准分类号】:83_080_20;83_140_99
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Informationtechnology.Telecommunicationsandinformationexchangebetweensystems.High-leveldatalinkcontrolprocedures.DescriptionoftheX.25LAPB-compatibleDTEdatalinkprocedures
【原文标准名称】:信息技术.系统之间的通信和信息交流.高级数据链路控制规程.X.25LAPB(按位链接的访问过程)-兼容数据终端设备数据链接过程的描述
【标准号】:BSISO/IEC7776-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-12-15
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机终端;高级数据链路控制规程;同步传输;帧;数据传送;X.25;数据传输控制规程;合格;数据传输;接口(数据加工);计算机网络;信息交流;数据布置;通信规程;开放系统互连;数据链路层;协议;包交换网络;计算机间通信
【英文主题词】:
【摘要】:
【中国标准分类号】:L78
【国际标准分类号】:33_020;35_200
【页数】:48P;A4
【正文语种】:英语