JB/T 50146-2000 量具量仪产品质量分等 涨簧式内径千分尺
作者:标准资料网 时间:2024-05-17 10:29:40 浏览:9534
来源:标准资料网
下载地址: 点击此处下载
基本信息
标准名称: | 量具量仪产品质量分等 涨簧式内径千分尺 |
英文名称: | Product quality classification for measuring tool and instrument — Expanding head bore dial indicator |
中标分类: | 机械 >> 工艺装备 >> 量具与量仪 |
发布日期: | 2000-03-20 |
实施日期: | 2000-06-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 7页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 机械 工艺装备 量具与量仪
下载地址: 点击此处下载
【英文标准名称】:Fireresistancetests.Guidanceontheapplicationandextensionofresults
【原文标准名称】:防火试验.试验结果的应用和扩展指南
【标准号】:BSISO/TR12470-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-10-15
【实施或试行日期】:1998-10-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:顶棚;电气工程;电工产品;外插;着火危险试验;耐火性;火险;建筑物防火;燃烧试验;楼板;指导手册;承重墙;密封件;吊顶;试验结果;测试;墙;水含量的测定
【英文主题词】:Ceilings;Electricalengineering;Electrotechnicalproducts;Extrapolation;Firehazardtest;Fireresistance;Firerisks;Firesafetyinbuildings;Firetests;Floors;Guidebooks;Loadbearingwalls;Seals;Suspendedceilings;Testresults;Testing;Walls;Watercontentdetermination
【摘要】:Directandextendedapplicationsoftestresultsarethetwopossiblewaystoensurethatamodifiedelementwillhaveagoodpossibilityofobtainingthesamefireratingasthatoftheoriginaltestedspecimen.Inbothcasestheseapplicationsreferonlytothefireratingthatthebuildingelementcanexpecttoreachifitweretobetestedinafurnaceaccordingtothestandardfireusedforthereferencetest.Foreachtypeofelementofconstruction,theapplicationoftestresultswillbeconsideredundertwosub-headings.a)Directapplication:thissectionidentifiesthemodificationsthatcanbemadetothedesignofthetestedelementwithoutreducingitsfirerating.Thesepossiblemodificationsarebasedonobviousknowledgeanddonotneedfurtherevaluation.Ineverycaseitis,atleast,assumedthatthebasicmaterialsusedforthetestedsamplewillnotbechanged.Theresultsobtainedfromtestsperformedusingstandardconfigurationsarevalidforthefieldofapplicationderivedfromthatconfiguration,regardlessofanyspecificadvicegiveninthefollowingchapters.b)Extendedapplication:thiswillrequireineverycaseanassessmentbyafireexperteitherindevelopingrulesofapplicationorevaluatingtheresultsoffireengineeringcalculationsormakingajudgement.Ineverycaseitwillbetakenintoconsiderationthatextendedapplicationmaytakeintoaccountthedifferencebetweentheresultoftheoriginaltestandthefireresistancerequiredfortheuntestedelement.Ajudgementistheresultofaqualitativeprocess,normallycarriedoutbyexperts.Judgementsareusedtojustifyachangeofdesignormethodofconstructionwhichmayuse,forexample,empiricaldataderivedfromtests,establishedphysicalproperties,hotandcoldstatecalculations,aknowledgeoffireexposure,firebehaviourandresponseoftheconstruction,eitherinisolationorincombination.1)Rulesofapplication:thesewouldbeapplieduniversallyevenbypersonswithoutexpertiseinfireaspartofthe"fieldofapplication"ofthetestresultforagivenfamilyofproducts.Theserulesmayrequirecoldstatecalculation.Thequantificationoftheseruleswouldbeagreeduniversallybaseduponvalidatedexperiencerelatedtogenericconstructionsorcomponents.Thiscouldcoversizechanges,numberofjoints,sizeofglazingetc.ThroughoutthisTechnicalReporttheclausescoveringrulesfrequentlyexpresstheacceptablechangeintermsofun-quantifiedpercentagesindicatedbytheletter"X"andanappropriatesuffix.Thisallowsnationalcodeauthoritiestoinserttheirownacceptablelimitswhichwillrelatetotheirestablishedfiresafetyphilosophy.Authoritiesareencouragedtosupportthenecessaryresearchtowardsinternationallyharmonizedvalidatedvalue.2)Fireengineeringcalculations:thesewouldbeusedbyanexpertingivingadvicebutwillmainlyberestrictedtothepropertiesindicatedbelow:·non-loadedelements:thiswouldberestrictedtothecalculationoftemperatureriseanddeflectionof"simple"componentsandelements;·loadedelement:inadditiontothepropertiespermittedfornon-loadedelements,calculationatelevatedtemperaturecouldbepermittedfortheload-bearingcapacityforwell-documentedmaterials(steel,concrete,etc.)andforstaticallydeterminedelements.Ineverycasethecalculationmodelsusedbytheexperts,whatevertheirsource(purchasedfromsoftwaremanufacturersordevelopedintheinstitution)havetobefullyvalidatedbycomparisonwithexistingtestresultsandbysensitivityanalysisofthevariousparameters.3)judgements:foratestresulttobeextrapolatedtocoverchangesoutsidethoseforwhichcalculationsorwrittenrulesareapplicable,theresultmaystillapplysubjecttosomeexpertjudgementbeingmade.Thesectiononjudgementshighlightsthemattersthatneedtobeconsideredandtobeexplainedbytheb
【中国标准分类号】:P16
【国际标准分类号】:13_220_50
【页数】:70P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforUraniumOxideswitha235UContentofLessThan5%forDissolutionPriortoConversiontoNuclear-GradeUraniumDioxide
【原文标准名称】:转换成核纯级二氧化铀之前溶解用含5%以下235U的氧化铀的标准规范
【标准号】:ASTMC1334-2005(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:C26.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:nuclearfuel;uraniumoxide;uraniumoxidedissolution;Dissolution;Nuclearfuels(reactor)--specifications;Nuclearmaterials/applications--specifications;Uranium--specifications;Uraniumoxide
【摘要】:1.1Thisspecificationcoversuraniumoxides,includingprocessedbyproductsorscrapmaterial(powder,pellets,orpieces),thatareintendedfordissolutionintouranylnitratesolutionmeetingtherequirementsofSpecificationC788priortoconversionintonucleargradeUO2powderwitha235Ucontentoflessthan5%.ThisspecificationdefinestheimpurityanduraniumisotopelimitsforsuchuraniapowdersthataretobedissolvedpriortoprocessingtonucleargradeUO2asdefinedinSpecificationC753.1.2Thisspecificationprovidesthenuclearindustrywithageneralstandardforsuchuraniumoxidepowders.Itrecognizesthediversityofconversionprocessesandtheprocessestowhichsuchpowdersaresubsequentlytobesubjected(forinstance,bysolventextraction).Itisthereforeanticipatedthatitmaybenecessarytoincludesupplementaryspecificationlimitsbyagreementbetweenthebuyerandseller.1.3Thescopeofthisspecificationdoesnotcomprehensivelycoverallprovisionsforpreventingcriticalityaccidents,forhealthandsafety,orforshipping.Observanceofthisspecificationdoesnotrelievetheuseroftheobligationtoconformtoallinternational,national,stateandlocalregulationsforprocessing,shipping,oranyotherwayofusinguraniapowders(see2.2and2.3).
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:3P.;A4
【正文语种】:英语
【原文标准名称】:防火试验.试验结果的应用和扩展指南
【标准号】:BSISO/TR12470-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-10-15
【实施或试行日期】:1998-10-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:顶棚;电气工程;电工产品;外插;着火危险试验;耐火性;火险;建筑物防火;燃烧试验;楼板;指导手册;承重墙;密封件;吊顶;试验结果;测试;墙;水含量的测定
【英文主题词】:Ceilings;Electricalengineering;Electrotechnicalproducts;Extrapolation;Firehazardtest;Fireresistance;Firerisks;Firesafetyinbuildings;Firetests;Floors;Guidebooks;Loadbearingwalls;Seals;Suspendedceilings;Testresults;Testing;Walls;Watercontentdetermination
【摘要】:Directandextendedapplicationsoftestresultsarethetwopossiblewaystoensurethatamodifiedelementwillhaveagoodpossibilityofobtainingthesamefireratingasthatoftheoriginaltestedspecimen.Inbothcasestheseapplicationsreferonlytothefireratingthatthebuildingelementcanexpecttoreachifitweretobetestedinafurnaceaccordingtothestandardfireusedforthereferencetest.Foreachtypeofelementofconstruction,theapplicationoftestresultswillbeconsideredundertwosub-headings.a)Directapplication:thissectionidentifiesthemodificationsthatcanbemadetothedesignofthetestedelementwithoutreducingitsfirerating.Thesepossiblemodificationsarebasedonobviousknowledgeanddonotneedfurtherevaluation.Ineverycaseitis,atleast,assumedthatthebasicmaterialsusedforthetestedsamplewillnotbechanged.Theresultsobtainedfromtestsperformedusingstandardconfigurationsarevalidforthefieldofapplicationderivedfromthatconfiguration,regardlessofanyspecificadvicegiveninthefollowingchapters.b)Extendedapplication:thiswillrequireineverycaseanassessmentbyafireexperteitherindevelopingrulesofapplicationorevaluatingtheresultsoffireengineeringcalculationsormakingajudgement.Ineverycaseitwillbetakenintoconsiderationthatextendedapplicationmaytakeintoaccountthedifferencebetweentheresultoftheoriginaltestandthefireresistancerequiredfortheuntestedelement.Ajudgementistheresultofaqualitativeprocess,normallycarriedoutbyexperts.Judgementsareusedtojustifyachangeofdesignormethodofconstructionwhichmayuse,forexample,empiricaldataderivedfromtests,establishedphysicalproperties,hotandcoldstatecalculations,aknowledgeoffireexposure,firebehaviourandresponseoftheconstruction,eitherinisolationorincombination.1)Rulesofapplication:thesewouldbeapplieduniversallyevenbypersonswithoutexpertiseinfireaspartofthe"fieldofapplication"ofthetestresultforagivenfamilyofproducts.Theserulesmayrequirecoldstatecalculation.Thequantificationoftheseruleswouldbeagreeduniversallybaseduponvalidatedexperiencerelatedtogenericconstructionsorcomponents.Thiscouldcoversizechanges,numberofjoints,sizeofglazingetc.ThroughoutthisTechnicalReporttheclausescoveringrulesfrequentlyexpresstheacceptablechangeintermsofun-quantifiedpercentagesindicatedbytheletter"X"andanappropriatesuffix.Thisallowsnationalcodeauthoritiestoinserttheirownacceptablelimitswhichwillrelatetotheirestablishedfiresafetyphilosophy.Authoritiesareencouragedtosupportthenecessaryresearchtowardsinternationallyharmonizedvalidatedvalue.2)Fireengineeringcalculations:thesewouldbeusedbyanexpertingivingadvicebutwillmainlyberestrictedtothepropertiesindicatedbelow:·non-loadedelements:thiswouldberestrictedtothecalculationoftemperatureriseanddeflectionof"simple"componentsandelements;·loadedelement:inadditiontothepropertiespermittedfornon-loadedelements,calculationatelevatedtemperaturecouldbepermittedfortheload-bearingcapacityforwell-documentedmaterials(steel,concrete,etc.)andforstaticallydeterminedelements.Ineverycasethecalculationmodelsusedbytheexperts,whatevertheirsource(purchasedfromsoftwaremanufacturersordevelopedintheinstitution)havetobefullyvalidatedbycomparisonwithexistingtestresultsandbysensitivityanalysisofthevariousparameters.3)judgements:foratestresulttobeextrapolatedtocoverchangesoutsidethoseforwhichcalculationsorwrittenrulesareapplicable,theresultmaystillapplysubjecttosomeexpertjudgementbeingmade.Thesectiononjudgementshighlightsthemattersthatneedtobeconsideredandtobeexplainedbytheb
【中国标准分类号】:P16
【国际标准分类号】:13_220_50
【页数】:70P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforUraniumOxideswitha235UContentofLessThan5%forDissolutionPriortoConversiontoNuclear-GradeUraniumDioxide
【原文标准名称】:转换成核纯级二氧化铀之前溶解用含5%以下235U的氧化铀的标准规范
【标准号】:ASTMC1334-2005(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:C26.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:nuclearfuel;uraniumoxide;uraniumoxidedissolution;Dissolution;Nuclearfuels(reactor)--specifications;Nuclearmaterials/applications--specifications;Uranium--specifications;Uraniumoxide
【摘要】:1.1Thisspecificationcoversuraniumoxides,includingprocessedbyproductsorscrapmaterial(powder,pellets,orpieces),thatareintendedfordissolutionintouranylnitratesolutionmeetingtherequirementsofSpecificationC788priortoconversionintonucleargradeUO2powderwitha235Ucontentoflessthan5%.ThisspecificationdefinestheimpurityanduraniumisotopelimitsforsuchuraniapowdersthataretobedissolvedpriortoprocessingtonucleargradeUO2asdefinedinSpecificationC753.1.2Thisspecificationprovidesthenuclearindustrywithageneralstandardforsuchuraniumoxidepowders.Itrecognizesthediversityofconversionprocessesandtheprocessestowhichsuchpowdersaresubsequentlytobesubjected(forinstance,bysolventextraction).Itisthereforeanticipatedthatitmaybenecessarytoincludesupplementaryspecificationlimitsbyagreementbetweenthebuyerandseller.1.3Thescopeofthisspecificationdoesnotcomprehensivelycoverallprovisionsforpreventingcriticalityaccidents,forhealthandsafety,orforshipping.Observanceofthisspecificationdoesnotrelievetheuseroftheobligationtoconformtoallinternational,national,stateandlocalregulationsforprocessing,shipping,oranyotherwayofusinguraniapowders(see2.2and2.3).
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:3P.;A4
【正文语种】:英语