BS ISO 10934-2-2007 光学和光学仪器.显微镜学词汇.光学显微镜的先进技术
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【英文标准名称】:Opticsandopticalinstruments-Vocabularyformicroscopy-Advancedtechniquesinlightmicroscopy
【原文标准名称】:光学和光学仪器.显微镜学词汇.光学显微镜的先进技术
【标准号】:BSISO10934-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-03-30
【实施或试行日期】:2007-03-30
【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】:定义;精密机械;显微镜;显微术;光学设备;光学仪器;光学显微镜;光学;术语;词汇
【英文主题词】:Definitions;Finemechanics;Microscopes;Microscopy;Opticalequipment;Opticalinstruments;Opticalmicroscopes;Optics;Terminology;Vocabulary
【摘要】:ThispartofISO10934specifiestermsanddefinitionstobeusedinthefieldofadvancedlightmicroscopy.
【中国标准分类号】:N32
【国际标准分类号】:01_040_37;37_020
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:Rubber,vulcanizedorthermoplastic-Determinationoftearstrength-Part1:Trouser,angleandcrescenttestpieces
【原文标准名称】:硫化或热塑性橡胶.撕裂强度的测定.第1部分:裤形、直角形和新月形试片
【标准号】:ISO34-1-2004
【标准状态】:作废
【国别】:国际
【发布日期】:2004-03
【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/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:弹性体;热塑性聚合物;试验;硫化橡胶;定义;角度试验;裤形试片;抗撕裂性;试样;试样;橡胶;尺寸;试验设备;撕裂扩展试验;抗拉强度;扯裂试验;撕裂扩展力;测定;合成橡胶;材料强度;机械试验
【英文主题词】:Angletests;Definitions;Determination;Dimensions;Elastomers;Mechanicaltesting;Rubber;Samples;Strengthofmaterials;Syntheticrubber;Tearpropagationforce;Tearpropagationtests;Tearresistance;Teartests;Tensilestrength;Testequipment;Testspecimens;Testing;Tests;Thermoplasticpolymers;Trousertestpiece;Vulcanizedrubber
【摘要】:ThispartofISO34specifiesthreetestmethodsforthedeterminationofthetearstrengthofvulcanizedandthermoplasticrubber,namely—MethodA,usingatrousertestpiece;—MethodB,usinganangletestpiece,withorwithoutanickofspecifieddepth;—MethodC,usingacrescenttestpiecewithanick.Thevalueoftearstrengthobtaineddependsontheshapeofthetestpiece,speedofstretchingandtemperatureoftest.Itmayalsobesusceptibletograineffectsinrubber.MethodA:UsingatrousertestpieceMethodA,usingthetrousertestpiece,ispreferredbecauseitisnotsensitivetothelengthofthecut,unliketheothertwotestpiecesinwhichthenickhastobeverycloselycontrolled.Inaddition,theresultsobtainedaremoreeasilyrelatedtothefundamentaltearpropertiesofthematerialandarelesssensitivetomoduluseffects(providedthatthelegextensionisnegligible)andtherateofpropagationofthetearisdirectlyrelatedtotherateofgripseparation.Withsomerubbers,thepropagationoftearisnotsmooth(knottytear),andanalysisofresultsmaybedifficult.MethodB,procedure(a):UsinganangletestpiecewithoutnickThistestisacombinationoftearinitiationandpropagation.Stressisbuiltupatthepointoftheangleuntilitissufficienttoinitiateatearandthenfurtherstressespropagatethistear.Howeveritisonlypossibletomeasuretheoverallforcerequiredtorupturethetestpiece,and,therefore,theforcecannotberesolvedintwocomponentsproducinginitiationandpropagation.'1'MethodB,procedure(b):UsinganangletestpiecewithnickThistestmeasurestheforcerequiredtopropagateanickalreadyproducedinthetestpiece.Therateofpropagationisnotdirectlyrelatedtothejawspeed.'21MethodC:UsingacrescenttestpieceThistestalsomeasurestheforcerequiredtopropagateanickalreadyproducedinthetestpieceandtherateofpropagationisnotrelatedtothejawspeed.NOTEAseparatemethodforthedeterminationofthetearstrengthofsmalltestpiecesofrubber(Delfttestpieces)isspecifiedinISO34-2.[3]
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:HighbitrateDigitalSubscriberLine-2ndGeneration(HDSL2/HDSL4),Issue2
【原文标准名称】:高比特率数字用户线.第二代(HDSL2/HDSL4),第2次发行
【标准号】:ANSIATIS0600418.a-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:位速度;直线;用户
【英文主题词】:Bitrate;Lines;User
【摘要】:
【中国标准分类号】:M12
【国际标准分类号】:33_040_20
【页数】:
【正文语种】:英语
