测井用密封放射源的污染与泄漏检验

12119992JournalofIsotopesVol.12No.1Feb.1999(,257096)(,100088),,TL77,C,,,(),,C,,,GB89221988[1],GB163541996[2],90(1),,,,C,1,,C:,46,,:1997212217:1998209216,241Am2Be137CsC226RaC,,XWY21,(A+B),;(A+B),,(A+B),241Am2Be137Cs226Ra,C1(2),241Am2BeC,CCAB,()CABHPGeC60Co133215keVC25%,1175keV;137Csö8001502000keV10min-1[3],(3)C,6412,(),241Am137Cs60Co40KC152EuC(),241Am137Cs60Co,,,(4)199572,241Am2Be41,137Cs24,226Ra7AB22066241Am2Be43,40,2,1,241Am,AB22066241Am2Be131I131Ba133Ba,:131I32.4Bq57Bq731Bq;131Ba24.9Bq;133Ba14.7Bq17137Cs137Cs,41Bq378Bq403Bq199636,241Am2Be29,226Ra7,C,11,25,,28h,8h241Am,AB22006241Am2Be131I,,17137Cs,199740,,60%131Ba137Cs,0121Bq0112Bq,,,,CABC,,,,,:1GB892219881()1198812GB16354199611199613,1C1,1988,8(5):2571741:POLLUTIONANDLEAKAGEEXAMINATIONOFSEALEDRADIOACTIVESOURCEFORWELLLOGGINGXuTonglin(ShengliPetroleumAdministrativeBureau,Dongying257096)SuQong(IndustrialHealthLabofMinistryofHealth,Beijing100088)AbstractTheexaminationofsurfacepollutionandleakagetopartofsealedradioactivesourcecommonlyusedinloggingandexperimentarecarriedoutbyWellLoggingCompanyofShengliPetroleumAdministrativeBureau.Thepracticeindicatesthatitisnecessaryforsafeoperationinwellloggingtoexamineregularlythesealperformanceofradioactivesources.Keywordssealedradioactivesourcepollutionexaminationleakageexamination,EberlineFHT1388,,CEber2line,C,,,,199848412