ASTM D1770-1994(2006) 羊毛条中毛结,植物性物质与有色纤维含量标准测试方法
时间:2024-05-18 12:18:23 来源: 标准资料网 作者：标准资料网 阅读：8052
【英文标准名称】:StandardTestMethodforNeps,VegetableMatter,andColoredFiberinWoolTop
【原文标准名称】:羊毛条中毛结,植物性物质与有色纤维含量标准测试方法
【标准号】:ASTMD1770-1994(2006)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:纺织纤维;纤维;纺织材料;羊毛;试验
【英文主题词】:impurity;vegetablematter;wool
【摘要】:TestMethodD1770forthedeterminationofneps,vegetablematter,andcoloredfibermaybeusedfortheacceptancetestingofcommercialshipmentsofwooltopbutcautionisadvisedbecausethebetween-laboratoryprecisionisknowntobepoor.Comparativetestsasdirectedin5.1.1maybeadvisable.5.1.1IncaseofadisputearisingfromdifferencesinreportedtestresultswhenusingTestMethodD1770foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudentrsquo;t-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.1.1Thistestmethodcoversthedeterminationofthenumberofnepsandpiecesofvegetablematterbysizeclasses,andthenumberofcoloredfibers,in15gsamplesofwooltop.1.2Thistestmethodisapplicabletowooltopinanyform.Note1-Forthedeterminationofnumberofnepsperspecifiedmassofcottonsamples,refertoTestMethodD1446.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W21
【国际标准分类号】:59_060_10
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Wheelchairs-Static,ImpactandFatigueStrengthTests
【原文标准名称】:轮椅静力、冲击和疲劳强度试验
【标准号】:ANSI/RESNAWC/08-1991
【标准状态】:作废
【国别】:美国
【发布日期】:1991
【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】:连续性试验;静力学;冲击试验;轮椅
【英文主题词】:statics;wheelchairs;continuitytests;impacttests
【摘要】:
【中国标准分类号】:Y14
【国际标准分类号】:11_180
【页数】:
【正文语种】:英语
【英文标准名称】:ULStandardforSafetySelf-BallastedLampsandLampAdapters
【原文标准名称】:安全自镇流灯和灯适配器用UL标准
【标准号】:UL1993BULLETIN-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-02-14
【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】:Thefollowingchangesinrequirementsarebeingproposed:1.ThisproposedThirdEditionoftheStandardforSelf-BallastedLampsandLampAdapters,UL1993,includesthefollowingmajorchangesfromthepreviousedition:a)Expansionofthescopetoincluderangeofproductsintendedtobecoveredbythestandard;b)Addedlistofreferencepublications;c)Addedandrevisedglossarydefinitions;d)Addednewsectioncontaininggeneralrequirementscoveringbasicassumptionsandconventions;e)Relocatedrequirementsforenclosures;f)RevisedandrelocatedrequirementscoveringpolymericmaterialsincludingachangeintheflammabilityrequirementfromV-1toV-0;g)Revisedandrelocatedrequirementscoveringweight,size,andmoment;h)Expandedrequirementscoveringlampbasesandlampholders;i)Changesinrequirementsforprintedcircuitboards;j)AddedrequirementscoveringLEDdrivercircuitry;k)Relocatedrequirementsforpowercapacitors;l)Addedrequirementsforlamptestsforfluorescentlamplightsources;m)Revisedrequirementsforspacingofelectricalparts;n)Addednewrequirementsforaccessibilityofliveparts;o)AddedrequirementsforlimitsforLEDlightsources;p)Addedrequirementsfornon-dischargelamps;q)Revisedrequirementsforenvironmentallocations;r)Revisedandrelocatedperformancetestrequirements;s)Addedtemperaturetestrequirementsfordeviceswithinputratinggreaterthan50W;t)Revisedandrelocatedrequirementsformold-stressreliefconditioning;u)Addedrequirementsforadeflectiontest;v)Revisedhumidityconditioningrequirements;w)Addedrequirementsforlampfaultconditionstest;x)Addedrequirementsforendof-lamp-lifetestforfluorescentlampadapters;y)Addedrequirementsforend-of-lamplifetestforintegrallyself-ballastedfluorescentlamps;z)Addednewsectionfortestapparatus;aa)Revisedmarkingsectioninordertoprovideclarificationofrequirements;ab)Miscellaneouseditorialrevisionssuchasrelocatingrequirementsthroughoutthestandard,correctingreferences,andeditorialclarifications.
【中国标准分类号】:K74
【国际标准分类号】:29_140_99
【页数】:82P.;A4
【正文语种】:英语