EN ISO 4759-1-2000 紧固件公差.第1部分:螺栓、螺钉和垫圈和螺母.产品等级A、B和C
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来源:标准资料网
【英文标准名称】:Tolerancesforfasteners-Part1:Bolts,screws,studsandnuts;ProductgradesA,BandC(ISO4759-1:2000);GermanversionENISO4759-1:2000
【原文标准名称】:紧固件公差.第1部分:螺栓、螺钉和垫圈和螺母.产品等级A、B和C
【标准号】:ENISO4759-1-2000
【标准状态】:现行
【国别】:
【发布日期】:2001-04
【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】:尺寸;紧固件;螺钉;螺栓;尺寸公差;公差(测量);位置公差;螺母;测量精度;尺寸偏差;设计;产品等级;形状公差
【英文主题词】:Accuracyofmeasurement;Bolts;Design;Dimensionaldeviations;Dimensionaltolerances;Dimensions;Fasteners;Formtolerances;Nuts;Productgrades;Screws(bolts);Tolerances(measurement);Tolerancesofposition
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10;21_060_20
【页数】:65P.;A4
【正文语种】:英语
【英文标准名称】:Clevispinswithhead
【原文标准名称】:销轴
【标准号】:ISO2341-1986
【标准状态】:现行
【国别】:国际
【发布日期】:1986-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC2
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;尺寸;紧固件;规范;螺栓;扁销孔;铰链销;U形夹销;销钉;头
【英文主题词】:Acceptancespecification;Bolts;Clevispins;Cotterpinholes;Deliveryconditions;Designations;Dimensions;Fasteners;Head(anatomy);Pins(nails);Properties;Specification(approval);Specifications;Swivelpins
【摘要】:Specifiesthecharacteristicsofproductswithout(typeA)andwithsplitpinhole(typeB)withmetricdimensionsandnominaldiametersfrom3mmuptoandincluding100mm;includesspecificationswithreferencetoInternationalStandards;givesexamplesforthedesignation.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:Petroleumproductsandrelatedmaterials-Determinationofhydrocarbontypes-Fluorescentindicatoradsorptionmethod;GermanversionEN15553:2007
【原文标准名称】:石油产品和相关原料.烃类型的测定.荧光指示剂吸附法
【标准号】:DINEN15553-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-07
【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】:吸附指示剂;吸附法;芳烃;化合物;含量;定义;测定;含量测定;荧光指示剂;烃类;指示剂;数学计算;链烯;石油产品;精密度;饱和烃
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesafluorescentindicatoradsorptionmethodforthedeterminationofhydrocarbontypesovertheconcentrationrangesfrom5%(V/V)to99%(V/V)aromatichydrocarbons,0,3%(V/V)to55%(V/V)olefinichydrocarbons,and1%(V/V)to95%(V/V)saturatedhydrocarbonsinpetroleumfractionsthatdistilbelow315℃.Thismethodmaybeapplicabletoconcentrationsoutsidetheseranges,buttheprecisionhasnotbeendetermined.Whensamplescontainingoxygenatedblendingcomponentsareanalysed,thehydrocarbontyperesultscanbereportedonanoxygenate-freebasisor,whentheoxygenatecontentisknown,theresultscanbecorrectedtoatotal-samplebasis.Thistestmethodisforusewithfullboilingrangeproducts.Cooperativedatahaveestablishedthattheprecisionstatementdoesnotapplytopetroleumfractionswithnarrowboilingrangesnearthe315℃limit.Suchsamplesarenotelutedproperly,andresultsareerratic.Samplescontainingdark-colouredcomponentsthatinterferewithreadingthechromatographicbandscannotbeanalysed.NOTEITheoxygenatedblendingcomponentsmethanol,ethanol,tert-butylmethylether(MTBE),methyltert-pentylether(TAME)andtert-butylethylether(ETBE)donotinterferewiththedeterminationofhydrocarbontypesatconcentrationsnormallyfoundincommercialblends.Theseoxygenatedcompoundsarenotdetectedsincetheyelutewiththealcoholdesorbent.Theeffectsofotheroxygenatedcompoundsshouldbeindividuallyverified.NOTE2ForthepurposesofthisEuropeanStandard,theterms"%(m/m)"and"%(VA/)"areusedtorepresentrespectivelythemassfractionandthevolumefraction.WARNINGmTheuseofthisEuropeanStandardmayinvolvehazardousmaterials,operationsandequipment.ThisEuropeanStandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:18P;A4
【正文语种】:德语
