ASTM C 1228-1996 玻璃纤维增强混凝土的挠性及冲洗试验用试样的制备标准实施规程
作者:标准资料网 时间:2024-05-17 20:51:11 浏览:9896
来源:标准资料网
【英文标准名称】:StandardPracticeforPreparingCouponsforFlexuralandWashoutTestsonGlassFiberReinforcedConcrete
【原文标准名称】:玻璃纤维增强混凝土的挠性及冲洗试验用试样的制备标准实施规程
【标准号】:ASTMC1228-1996
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;混凝土;玻璃纤维增强的;施工材料
【英文主题词】:constructionmaterials;testing;glass-fibrereinforced;concretes
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:2P;A4
【正文语种】:英语
【英文标准名称】:Ophthalmicoptics.Barcodespecifications.
【原文标准名称】:眼科光学.条形码规范(ENISO13230)
【标准号】:NFS11-310-1999
【标准状态】:作废
【国别】:法国
【发布日期】:1999-05-01
【实施或试行日期】:1999-05-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:代码;精密机械;眼镜镜片;编码;光学;压力;接触镜片;轴承;眼镜(夹鼻);使用;半成品;几何;定义;规范(验收);眼镜架;条形码;渐变眼镜片;眼科光学;防腐剂;壳体;眼科学
【英文主题词】:
【摘要】:
【中国标准分类号】:Y89
【国际标准分类号】:11_040_70;35_040
【页数】:9P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodsforInsulationIntegrityandGroundPathContinuityofPhotovoltaicModules
【原文标准名称】:光电器件模块的完整性绝缘和连续地面路径的标准试验方法
【标准号】:ASTME1462-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:E44.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;光电器件;绝缘
【英文主题词】:dielectricvoltagewithstand;electricaltesting;groundpathcontinuity;insulationintegrity;insulationresistance;modules;photovoltaics;solarenergy
【摘要】:Thedesignofaphotovoltaicmoduleorsystemintendedtoprovidesafeconversionofthesunrsquo;radiantenergyintousefulelectricitymusttakeintoconsiderationthepossibilityofhazardshouldtheusercomeintocontactwiththeelectricalpotentialofthemodule.Thesetestmethodsdescribeproceduresforverifyingthatthedesignandconstructionofthemoduleorsystemarecapableofprovidingprotectionfromshockthroughnormalinstallationanduse.Atnolocationonthemoduleshouldthiselectricalpotentialbeaccessible,withtheobviousexceptionoftheintendedoutputleads.Thesetestmethodsdescribeproceduresfordeterminingtheabilityofthemoduletoprovideprotectionfromelectricalhazards.Theseproceduresmaybespecifiedaspartofaseriesofqualificationtestsinvolvingenvironmentalexposure,mechanicalstress,electricaloverload,oracceleratedlifetesting.Theseproceduresarenormallyintendedforuseondrymodules;however,thetestmodulesmaybeeitherwetordry,asindicatedbytheappropriateprotocol.Theseproceduresmaybeusedtoverifymoduleassemblyonaproductionline.Insulationresistanceandleakagecurrentarestrongfunctionsofmoduledimensions,ambientrelativehumidityandabsorbedwatervapor,andthegroundpathcontinuityprocedureisstronglyaffectedbythelocationofcontactsandtestleadstothemoduleframeandgroundingpoints.5.6.1Forthesereasons,itistheresponsibilityoftheuserofthesetestmethodstospecifythemaximumacceptableleakagecurrentforthedielectricvoltagewithstandtest,andthemaximumacceptableresistanceforthegroundpathcontinuityprocedure.5.6.2Fiftyx03BC;Ahasbeencommonlyusedasthemaximumacceptableleakagecurrent(seeANSI/UL1703,Section26.1),and0.1x03A9;hasbeencommonlyusedasthemaximumacceptableresistance.Somemoduledesignsmaynotuseanyexternalmetalliccomponentsandthuslackagroundpointdesignatedbythemodulemanufacturer.Inthesecases,thegroundpathcontinuitytestisnotapplicable.1.1Thesetestmethodscoverproceduresfor(1)testingforcurrentleakagebetweentheelectricalcircuitofaphotovoltaicmoduleanditsexternalcomponentswhileauser-specifiedvoltageisappliedand(2)fortestingforpossiblemoduleinsulationbreakdown(dielectricvoltagewithstandtest).1.2Aprocedureisdescribedformeasuringtheinsulationresistancebetweentheelectricalcircuitofaphotovoltaicmoduleanditsexternalcomponents(insulationresistancetest).1.3Aprocedureisprovidedforverifyingthatelectricalcontinuityexistsbetweentheexposedexternalconductivesurfacesofthemodule,suchastheframe,structuralmembers,oredgeclosures,anditsgroundingpoint(groundpathcontinuitytest).1.4Thistestmethoddoesnotestablishpassorfaillevels.Thedeterminationofacceptableorunacceptableresultsisbeyondthescopeofthistestmethod.1.5ThereisnosimilarorequivalentISOstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:L50
【国际标准分类号】:27_160
【页数】:4P.;A4
【正文语种】:
