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EN ISO 1833-8-2010 纺织品.定量化学分析.第8部分:醋酸纤维及三醋酸基纤维混织物(丙酮法)(ISO1833-8-2006);德文版本ENISO1833-8-2010

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【英文标准名称】:Textiles-Quantitativechemicalanalysis-Part8:Mixturesofacetateandtriacetatefibres(methodusingacetone)(ISO1833-8:2006);GermanversionENISO1833-8:2010
【原文标准名称】:纺织品.定量化学分析.第8部分:醋酸纤维及三醋酸基纤维混织物(丙酮法)(ISO1833-8-2006);德文版本ENISO1833-8-2010
【标准号】:ENISO1833-8-2010
【标准状态】:现行
【国别】:
【发布日期】:2011-01
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:乙酸酯;丙酮;化学分析和试验;化学分析和测试;纤维混纺织品;塑料;性能;特性;定量分析;;纺织纤维;纺织试验;纺织材料;;三醋酸纤维
【英文主题词】:Acetates;Acetone;Chemicalanalysisandtesting;Fibremixtures;Plastics;Properties;Quantitativeanalysis;Textilefibreblends;Textilefibres;Textiletesting;Textiles;Triacetate;Triacetatefibres
【摘要】:
【中国标准分类号】:W55
【国际标准分类号】:59_060_20
【页数】:10P;A4
【正文语种】:英语


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【英文标准名称】:Samplingproceduresforinspectionbyvariables-Guidetodoublesamplingschemesindexedbyacceptancequalitylimit(AQL)forlot-by-lotinspection
【原文标准名称】:变量检验用取样程序.逐批检验用合格质量等级(AQL)标注的双取样方案指南
【标准号】:BS6002-3-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-03-31
【实施或试行日期】:2005-03-31
【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】:质量保证;检验;验收检验;抽样方法;计量检查;双;统计质量控制;抽样表;质量控制
【英文主题词】:Acceptanceinspection;Double;Inspection;Inspectionbyvariables;Qualityassurance;Qualitycontrol;Samplingmethods;Samplingtables;Statisticalqualitycontrol
【摘要】:ThisBritishStandardspecifiesanacceptancesamplingsystemofdoublesamplingschemesforinspectionbyvariablesforpercentnonconforming.Itisindexedintermsoftheacceptancequalitylimit(AQL).TheobjectivesofthemethodslaiddowninthisBritishStandardaretoensurethatlotsofacceptablequalityhaveahighprobabilityofacceptanceandthattheprobabilityofnon-acceptinginferiorlotsisashighaspracticable.Thisisachievedbymeansoftheswitchingrules,whichprovide:a)automaticprotectiontotheconsumer(bymeansofaswitchtotightenedinspectionordiscontinuationofsamplinginspection)shouldadeteriorationinqualitybedetected;b)anincentive(atthediscretionoftheresponsibleauthority)toreduceinspectioncosts(bymeansofaswitchtoasmallersamplesize)shouldconsistentlygoodqualitybeachieved.InthisBritishStandard,theacceptabilityofalotisimplicitlyorexplicitlydeterminedfromanestimateofthepercentageofnonconformingitemsintheprocess,basedoneitheroneortworandomsamplesofitemsfromthelot.ThisBritishStandardisprimarilydesignedforuseunderthefollowingconditions:a)wheretheinspectionprocedureistobeappliedtoacontinuingseriesoflotsofdiscreteproductsallsuppliedbyoneproducerusingoneproductionprocess.Iftherearedifferentproducersorproductionprocesses,thisBritishStandardshallbeappliedtoeachoneseparately;b)wheretheitemsofproducthaveasinglequalitycharacteristic(formultiplequalitycharacteristics,seeAnnexA,AnnexBandAnnexC,whichareallinformative);c)wherethequalitycharacteristicismeasurableonacontinuousscale;d)wherethemeasurementerrorisnegligible(i.e.withastandarddeviationnomorethan10%ofthecorrespondingprocessstandarddeviation);e)whereproductionisstable(understatisticalcontrol)andthequalitycharacteristicisdistributed,atleasttoacloseapproximation,accordingtoanormaldistribution;CAUTION.TheproceduresinthisBritishStandardarenotsuitableforapplicationtolotsthathavebeenscreenedpreviouslyfornonconformingitems.f)wherethepossibilityofhavingtoselectandinspectasecondsampleisadministrativelyacceptable;g)whereacontractorstandarddefinesanupperspecificationlimitU,alowerspecificationlimitL,orbothonthequalitycharacteristic.Anitemisdeemedtoconformifitsmeasuredqualitycharacteristicxsatisfiestheappropriateoneofthefollowinginequalities:i)x≤U(i.e.theupperspecificationlimitisnotviolated);ii)x≥L(i.e.thelowerspecificationlimitisnotviolated);iii)x≤Uandx≥L(i.e.neithertheuppernorthelowerspecificationlimitisviolated).NOTEInequalitiesi)andii)arecalledcaseswitha"singlespecificationlimit",andiii)isthecasewith"doublespecificationlimits".Fordoublespecificationlimits,afurtherdistinctionismadebetweencombinedcontrol,separatecontrolandcomplexcontrol,asfollows:—combinedcontroliswhereasingleAQLappliestononconformitybeyondbothlimits;—separatecontroliswhereseparateAQLsapplytononconformitybeyondeachofthelimits;—complexcontroliswhereoneAQLappliestononconformitybeyondthelimitthatisofgreaterseriousness,andalargerAQLappliestothetotalnonconformitybeyondbothlimits.
【中国标准分类号】:A41
【国际标准分类号】:03_120_30
【页数】:110P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforUseofaMeltIndexStrandforDeterminingDensityofPolyethylene
【原文标准名称】:利用熔体指数纤维测定聚乙烯密度的标准实施规程
【标准号】:ASTMD2839-2005
【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】:D20.15
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:密度;聚乙烯;工艺;测定;熔体流动指数;塑料
【英文主题词】:density;meltindexstrand;PE;polyethylene
【摘要】:ThispracticehasbeenfoundtobeveryusefulforpreparingpolyethylenesamplessuitablefordeterminationofdensitybyTestMethodD1505,forqualitycontrolpurposes,especiallyinaresinmanufacturingfacility
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:3P.;A4
【正文语种】: