SAE AS4690 Fitting, Tee, Reducer, Bulkhead on Side, Flareless and Short Flareless
作者:标准资料网 时间:2024-05-16 14:41:12 浏览:8940
来源:标准资料网
Product Code:SAE AS4690
Title:Fitting, Tee, Reducer, Bulkhead on Side, Flareless and Short Flareless
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.
【英文标准名称】:GuideforSilver-TinOxideContactMaterial
【原文标准名称】:银锡氧化物触点材料指南
【标准号】:ANSI/ASTMB844-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:银合金
【英文主题词】:silveralloys
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:77_120_99
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforWoolContentofRawWool-CommercialScale
【原文标准名称】:原毛中羊毛含量的商业标准试验方法
【标准号】:ASTMD1334-2005
【标准状态】:现行
【国别】:
【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】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:质量;羊毛;含量测定;纺织材料;纺织纤维;试验;含量
【英文主题词】:content;wool
【摘要】:Thistestmethodisconsideredsatisfactoryforuseasarefereemethodforthedeterminationofthewoolbasecontentandthecleanwoolfiberpresentinalotofrawwool.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usethesamplesforsuchacomparativetestthatareashomogenousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedinthedisparateresultsduringtheinitialtestingandrandomlyassignedinequalnumberstoeachlaboratory.Thetestresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,probabilitylevelchosenpriortothetestingseries.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orfutureresultsforthatmaterialbeadjustedinconsiderationoftheknownbias.Thistestmethodisalsousedinstudiesaimedatderivingsuitableformulasforestimatingtheallowancestobemadeforwoolunavoidablylostordestroyedinsuchcommercialoperationsascarding,combing,orcarbonizing.1.1Thistestmethodcoversthedeterminationofthewoolbasecontentandthecleanwoolfiberpresentinalotofrawwoolbycommercial-scalescouringofthelotfollowedbylaboratorytestsonsamplesofthescouredwool.Note1ThesamplingoflotsofrawwoolinpackagesiscoveredinPracticeD1060,andthedeterminationofthewoolcontentofsuchsamplesiscoveredinTestMethodD584.Thedeterminationofvegetablematterandotheralkali-insolubleimpuritiesinscouredwooliscoveredinTestMethodD1113.Forfactorsfortheconversionofwoolbasecontenttoitsequivalentintermsofscouredwool,top,ornoilofvariouscommerciallyspecifiedcompositions,refertoPracticeD2720.Note2ThevaluesstatedinU.S.CustomaryUnitsaretoberegardedasthestandardbecauseofcommoncommercialpractice.TheS.I.unitsinparenthesesareprovidedforinformationonly.Note3Becauseoftradepracticetheterm"weight"isusedinthistestmethodinsteadofthetechnicallycorrectterm"mass".Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:3P.;A4
【正文语种】:
