DIN 40041-1990 可信性.概念
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来源:标准资料网
【英文标准名称】:Dependability;concepts
【原文标准名称】:可信性.概念
【标准号】:DIN40041-1990
【标准状态】:现行
【国别】:德国
【发布日期】:1990-12
【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】:术语;可靠度;定义;电气工程;英语;法语
【英文主题词】:Definition;Definitions;Electricalengineering;Englishlanguage;Frenchlanguage;Reliability;Terminology
【摘要】:Thisstandardisintendedtostandardizethetermsanddefinitionsinthefieldofdepentabilityandwillbeahelpforunderstandinginthisarea.
【中国标准分类号】:L05
【国际标准分类号】:01_040_21;21_020
【页数】:19P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMoistureinWoolbyOven-Drying
【原文标准名称】:用炉烘干法测定羊毛内水分的标准试验方法
【标准号】:ASTMD1576-1990(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1990
【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】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:moisturecontentandwool;Moistureanalysis--textilefabrics/fibers;Woolandwooltop--moisturecontent
【摘要】:TestMethodD2462forthedeterminationofthemoistureinwoolbydistillationwithtolueneisthepreferredmethodfortestingwoolformoisturefortheacceptancetestingofcommercialshipments.If,however,thepurchaserandthesupplieragree,TestMethodD1576forthedeterminationofthemoistureinwoolbyovendryingmaybeusedinstead.Comparativetestsasdirectedin5.1.1,maybeadvisable.IncaseofadisputearisingfromdifferencesinreportedtestresultswhenusingTestMethodD1576foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.Thistestmethodisasimpleandconvenientmethodforroutineprocesscontrol,in-plantevaluation,estimationofmoisturecontentofalotofwool,oranyotherpurposeforwhichahighdegreeofreproducibilityisnotnecessary(seeSection13).1.1Thistestmethodcoversthedeterminationoftheamountofmoisturepresentinordinarycommercialandindustrialsamplesofwoolinallformsexceptgreasewool,usingtheoven-dryingtechnique.1.2Formulasforcalculatingthemoisturecontent(as-receivedbasis)andmoistureregain(oven-driedbasis)aregiven.Itisalwaysimportanttousethecorrecttermwhichcorrespondstothebasisusedinthecalculation(see12.2.1).Note18212;ThedeterminationofmoisturecontentfortextilematerialsingeneraliscoveredinTestMethodsD2654,andanoptimalmethodfordeterminingthemoistureinwoolbydistillationwithtolueneiscoveredinTestMethodD2462.AmethodforsamplingwoolforthedeterminationofmoistureinwooliscoveredinPracticeD2525.Theoven-dryingmethodhasbeenadaptedforcottoninTestMethodD2495.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:FireProtectionEquipmentDirectory
【原文标准名称】:消防设备目录
【标准号】:ULFIREPROTECTION-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-01-01
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:FireProtectionEquipmentDirectory
【中国标准分类号】:C84
【国际标准分类号】:
【页数】:814P.;A4
【正文语种】:英语
