NF S56-300-1987 拖车.不拆卸的基本技术检验

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【英文标准名称】:TestMethodforGrammageofPaperandPaperboard(WeightPerUnitArea)
【原文标准名称】:纸张及纸板基本重量测试方法(单位面积重量)
【标准号】:ANSI/ASTMD646-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【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】:纸;试验
【英文主题词】:Packages;Packaging;Paper;Testing;Weights
【摘要】:Thistestmethodcoversthedeterminationofthegrammageofpaperandpaperboard(massperunitarea).InEnglish-speakingcountriesthecustomaryorcommercialpracticeofexpressingthe"weight"perunitarea(moreproperly"massperunitarea")ofpaperhasbeen"basisweight,""reamweight,"or"substance,"definedasthemassinpoundsofareamofagivensheetsizeandnumberofsheets(usually500sheets,occasionally480sheets).InmostothercountriesandincreasinglyinEnglish-speakingcountries,themassperunitareaisexpressedingramspersquaremetre.TheFrenchtermformassperunitarea,"grammage,"isrecommendedbyISOCommitteeTC6onPaperforuseinEnglishaswellasinFrenchbecauseofitsconvenienceandclearrelationshiptogramspersquaremetre.Themassperunitareaofpaperboardhasbeenexpressedinthecustomarysystemasthemassinpoundsperthousandsquarefeet,andinthemetricsystemasgramspersquaremetre.TheSImetricunits,inwhichgrammage(massperunitarea)isexpressedingramspersquaremetre(g/m),arethepreferredunitsforASTMtestmethodsforpaperandpaperboard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:
【正文语种】:英语


【英文标准名称】:Superconductivity-Part4:Residualresistanceratiomeasurement;ResidualresistanceratioofNb-Ticompositesuperconductors
【原文标准名称】:超导第4部分：剩余电阻率测量Nb-Ti复合超导体的剩余电阻率
【标准号】:IEC61788-4-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC90
【标准类型】:()
【标准水平】:()
【中文主题词】:铌;钛合金;电流测量;测量;超导性;超导体;铜;电气工程;铜合金;定义
【英文主题词】:
【摘要】:ThispartofIEC61788coversatestmethodforthedeterminationoftheresidualresistanceratio(RRR)ofacompositesuperconductorcomprisedofNb-TifilamentsandCu,Cu-NiorCu/Cu-Nimatrix.Thismethodisintendedforusewithsuperconductorsthathavearectangularorroundcross-section,RRRlessthan350,andcross-sectionalarealessthan3mm.Allmeasurementsshallbedonewithoutanappliedmagneticfield.Themethoddescribedinthebodyofthisstandardisthe"reference"methodandoptionalacquisitionmethodsareoutlinedinannexA.
【中国标准分类号】:L47
【国际标准分类号】:29_050
【页数】:19P;A4
【正文语种】:英语