【英文标准名称】:StandardTestMethodforMeasuringFast-NeutronReactionRatesbyRadioactivationofIron
【原文标准名称】:用铁的放射性测量快中子反应速率的标准试验方法
【标准号】:ASTME263-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E10.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;核技术;辐射;放射性;核能;铁;测量;中子
【英文主题词】:fastneutrondetector;ironactivation;reatctionrate;54Fe(n,p)
【摘要】:1.1Thistestmethoddescribesproceduresformeasuringreactionratesbytheactivationreaction54Fe(n,p)54Mn.1.2Thisactivationreactionisusefulformeasuringneutronswithenergiesaboveapproximately2.2MeVandforirradiationtimesuptoabout3years(forlongerirradiations,seePracticeE261).1.3Withsuitabletechniques,fission-neutronfluenceratesabove108cm2s1canbedetermined.However,inthepresenceofahighthermal-neutronfluencerate(forexample,>21014cm2s1)54Mndepletionshouldbeinvestigated.1.4Detailedproceduresdescribingtheuseofotherfast-neutrondetectorsarereferencedinPracticeE261.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F46
【国际标准分类号】:17_240(RADIATIONMEASUREMENTS);27_120_30(FISSILEMATERIALSANDNUCLEARFUELTECHNOLOGY)
【页数】:4P.;A4
【正文语种】: