DIN 41640-33-1979 机电元件的测量和试验方法；试验11k；低气压
时间:2024-05-12 16:40:15 来源: 标准资料网 作者：标准资料网 阅读：9075
【英文标准名称】:Measuringmethodsandtestingproceduresforelectromechanicalcomponents;test11k:lowairpressure
【原文标准名称】:机电元件的测量和试验方法；试验11k；低气压
【标准号】:DIN41640-33-1979
【标准状态】:作废
【国别】:德国
【发布日期】:1979-03
【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】:力学;电气工程;大气压;测量;压力;试验;元部件
【英文主题词】:atmosphericpressure;measurement;testing;components;electricalengineering;mechanics;pressure
【摘要】:
【中国标准分类号】:K10
【国际标准分类号】:1420
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforPermanentDeformationofElastomericYarns
【原文标准名称】:弹性纱永久变型的标准试验方法
【标准号】:ASTMD3106-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:弹性体;应变;试验;纺织试验;纺织材料;纱
【英文主题词】:deformation;elastomeric;yarn
【摘要】:TestMethodD3106fortestingpermanentdeformationofelastomericyarnsisconsideredsatisfactoryforacceptancetestingofcommercialshipmentswhenthereisprioragreementastotheexactvalueofelongationtobeusedfortesting,sincecurrentestimatesofbetween-laboratoryprecisionareacceptable.5.1.1Iftherearedifferencesorpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore)comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesthatareashomogeneousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstoeachlaboratoryfortesting.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Yarnsaresubjectedtolongperiodsoftensionresultinginanappreciableamountofstretchduringnormaluse.Aportionoftheinducedstretchmaybepermanent.Theamountofpermanentdeformationisinfluencedbytheamountoftension,thetimetheyarnisundertensionandthetimeavailableforrecoverybetweensuccessiveuses.Foroptimumprocessingofelastomericyarns,thepermanentdeformationvalueshouldbeloworzero.1.1Thistestmethodcoversthedeterminationofthepermanentdeformationofbare,continuouselastomericmonofilamentsandfilamentyarnsmadefromrubber,spandex,anidex,orotherelastomerssubjectedtoprolongedperiodsoftension.Thistestmethodisapplicabletoelastomericyarnshavingalineardensityintherangefrom4to320tex(36to2900den.).1.2Thistestmethodisnotapplicabletocovered,wrapped,core-spunyarns,oryarnsspunfromelastomericstaple.1.3Thistestmethodwasdevelopedusingyarnsinthe"as-received"condition,butmaybeusedfortreatedyarnsprovidedthetreatmentisspecified.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W58
【国际标准分类号】:59_080_20
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:Mechanicalpencils-Part3:Blackleads;bendingstrengthsofHBleads;identicalwithISO9177-3:1994
【原文标准名称】:自动铅笔.第3部分:黑笔芯.HB笔芯的抗弯强度;等同采用ISO9177-3:1994
【标准号】:DINISO9177-3-1995
【标准状态】:现行
【国别】:德国
【发布日期】:1995-01
【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】:定义;硬度等级;抗弯强度;硬度;试验;制图体系;自动铅笔;绘图室设备;铅笔;活动铅笔;名称与符号;铅;蜡笔;笔芯;尺寸;文化用品;石墨;产品文件;HB
【英文主题词】:
【摘要】:ThedocumentestablishesbendingstrengthsandatestmethodforHB-leads.
【中国标准分类号】:Y50
【国际标准分类号】:01_100_40
【页数】:3P;A4
【正文语种】:德语