DIN 30280-1974 ISO米制螺纹.供铁路车辆选用的系列
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来源:标准资料网
【英文标准名称】:ISOmetricscrewthreads;selectedseriesforrailwayvehicles
【原文标准名称】:ISO米制螺纹.供铁路车辆选用的系列
【标准号】:DIN30280-1974
【标准状态】:作废
【国别】:德国
【发布日期】:1974-04
【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】:螺钉;压合接头;国际标准化组织;螺母;铁道车辆;铁路;螺纹;元部件;铁路设施
【英文主题词】:railwayapplications;screws(bolts);screwthreads;threads;compressionfittings;railwayvehicles;nuts;railways;components;iso
【摘要】:
【中国标准分类号】:J04
【国际标准分类号】:21_040_10;45_040
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:Powertransformers-Abilitytowithstandshortcircuit
【原文标准名称】:电力变压器.耐短路性
【标准号】:BSEN60076-5-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-03-15
【实施或试行日期】:2001-03-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:过电流;短路电流试验;电力变压器;短路电流;电故障;温升;电气试验;电气设备;变压器;数学计算
【英文主题词】:
【摘要】:ThispartofIEC60076identifiestherequirementsforpowertransformerstosustainwithoutdamagetheeffectsofovercurrentsoriginatedbyexternalshortcircuits.Itdescribesthecalculationproceduresusedtodemonstratethethermalabilityofapowertransformertowithstandsuchovercurrentsandboththespecialtestandthecalculationmethodusedtodemonstrateitsabilitytowithstandtherelevantdynamiceffects.TherequirementsapplytotransformersasdefinedinthescopeofIEC60076-1.
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:26P;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforMeasuringIonizingRadiation-InducedSpectralChangesinOpticalFibersandCablesforUseinRemoteRamanFiberOpticSpectroscopy
【原文标准名称】:用于远距离拉曼光纤光谱学的光纤和光缆的电离辐射感应光谱变化测量标准导则
【标准号】:ASTME1654-1994(2004)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:E13.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:光谱学;导则;放射性照射;电缆;电离辐射;遥感;光学纤维;感应光谱变化;激光和激光应用;电离辐射测量;电离辐射测量;光纤传感器系统;辐射破坏;拉曼光谱学;光谱变化;光纤光谱学
【英文主题词】:opticalfibers;radiationdamage;Ramanspectroscopy;remotesensing
【摘要】:Ionizingenvironmentswillaffecttheperformanceofopticalfibers/cablesbeingusedtotransmitspectroscopicinformationfromaremotelocation.Determinationofthetypeandmagnitudeofthespectralvariationsorinterferencesproducedbytheionizingradiationinthefiber,orboth,isnecessaryforevaluatingtheperformanceofanopticalfibersensorsystem.TheresultsofthetestcanbeutilizedasaselectioncriteriaforopticalfibersusedinopticalfiberRamanspectroscopicsensorsystems.Note18212;Theattenuationofopticalfibersgenerallyincreaseswhentheyareexposedtoionizingradiation.Thisisdueprimarilytothetrappingofradiolyticelectronsandholesatdefectsitesintheopticalmaterials,thatis,theformationofcolorcenters.Thedepopulationofthesecolorcentersbythermaloroptical(photobleaching)processes,orboth,causesrecovery,usuallyresultinginadecreaseinradiationinducedattenuation.Recoveryoftheattenuationafterirradiationdependsonmanyvariables,includingthetemperatureofthetestsample,thecompositionofthesample,thespectrumandtypeofradiationemployed,thetotaldoseappliedtothetestsample,thelightlevelusedtomeasuretheattenuation,andtheoperatingspectrum.Undersomecontinuousconditions,recoveryisnevercomplete.1.1Thisguidecoversthemethodformeasuringtherealtime,insituradiation-inducedalterationstotheRamanspectralsignaltransmittedbyamultimode,stepindex,silicaopticalfiber.Thisguidespecificallyaddressessteady-stateionizingradiation(thatis,alpha,beta,gamma,protons,etc.)withappropriatechangesindosimetry,andshieldingconsiderations,dependingupontheirradiationsource.1.2Thetestproceduregiveninthisguideisnotintendedtotesttheotheropticalandnon-opticalcomponentsofanopticalfiber-basedRamansensorsystem,butmaybemodifiedtotestothercomponentsinacontinuousirradiationenvironment.1.3ThevaluesinSIunitsaretoberegardedasstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:5P.;A4
【正文语种】:
