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【英文标准名称】:StandardTestMethodforComparingtheBrightnessofFluorescentPenetrants
【原文标准名称】:荧光穿透性亮度比较的试验方法
【标准号】:ASTME1135-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:E07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:荧光;试验;亮度(颜色)
【英文主题词】:brightnessofdyepenetrants;dyepenetrants;fluorescentpenetrants
【摘要】:1.1Thistestmethoddescribesthetechniquesforcomparingthebrightnessofthepenetrantsusedinthefluorescentdyepenetrantprocess.Thiscomparisonisperformedundercontrolledconditionswhicheliminatemostofthevariablespresentinactualpenetrantexamination.Thus,thebrightnessfactorisisolatedandismeasuredindependentlyoftheotherfactorswhichaffecttheperformanceofapenetrantsystem.1.2Thebrightnessofapenetrantindicationisdependentonthedeveloperwithwhichitisused.Thistestmethodhowever,measuresthebrightnessofapenetrantonaconvenientfilterpapersubstratewhichservesasasubstituteforthedeveloper.1.3Thebrightnessmeasurementobtainediscolor-correctedtoapproximatethecolorresponseoftheaveragehumaneye.Sincemostexaminationisdonebyhumaneyes,thisnumberhasmorepracticalvaluethanameasurementinunitsofenergyemitted.Also,thecomparisonsareexpressedasapercentageofsomechosenstandardpenetrantbecausenoabsolutesystemofmeasurementexistsatthistime.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G50
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:TDMAThirdGenerationWireless-AdaptiveMulti-Rate(AMR)Wireless
【原文标准名称】:时分多址联接第三代无线电通信.自适应多速率无线电通信
【标准号】:ANSI/TIA-136-440-A-2004
【标准状态】:作废
【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(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:1电信;3无线通信服务
【英文主题词】:Codec;Mobilecommunicationsystems;TDMA;Telecommunication;Telecommunications;Wireless;Wirelesscommunicationservices
【摘要】:
【中国标准分类号】:M36
【国际标准分类号】:33_070_50
【页数】:
【正文语种】:英语