标准资料网-标准资料免费资源平台

【英文标准名称】:Informationprocessing.Self-loadingcartridgesfor12,7mm(0.5in)widemagnetictape
【原文标准名称】:信息处理.宽12.7mm(0.5in)的自装式盒磁带
【标准号】:BSISO6098-1984
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:


【英文标准名称】:Nuclearenergy-Referencebeta-particleradiation-Calibrationofareaandpersonaldosemetersandthedeterminationoftheirresponseasafunctionofbetaradiationenergyandangleofincidence
【原文标准名称】:核能.参考β粒子辐射.β辐射能量函数和入射角度的区域校准及个人剂量计和它们响应的测定
【标准号】:BSISO6980-3-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-10-31
【实施或试行日期】:2006-10-31
【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】:β辐射;β粒子;校正;定义;剂量;人均剂量;剂量计;测量;核能;核动力;个人剂量计;人员;辐射;辐射场;辐射测量;辐射计;放射性核素;风险区域
【英文主题词】:Betaradiation;Beta-particles;Calibration;Definition;Definitions;Dose;Doseperperson;Dosimeters;Measurement;Nuclearenergy;Nuclearpower;Personaldosimeters;Personnel;Radiation;Radiationfields;Radiationmeasurement;Radiationmeters;Radionuclides;Riskarea
【摘要】:ThispartofISO6980describesproceduresforcalibratinganddeterminingtheresponseofdosemetersanddoseratemetersintermsoftheInternationalCommissiononRadiationUnitsandMeasurements(ICRU)operationalquantitiesforradiationprotectionpurposes.However,asnotedinICRUReport56,theambientdoseequivalent,H(10),usedforareamonitoringofstronglypenetratingradiation,isnotanappropriatequantityforanybetaradiation,eventhatwhichpenetrates10mmoftissue(Emax>2MeV).Forbetaparticles,thecalibrationandthedeterminationoftheresponseofdosemetersanddoseratemetersisessentiallyathree-stepprocess.First,thebasicfieldquantity,absorbeddosetotissueatadepthof0,07mminatissue-equivalentslabgeometryismeasuredatthepointoftest,usingmethodsdescribedinISO6980-2.Then,theappropriateoperationalquantityisderivedbytheapplicationofaconversioncoefficientthatrelatesthequantitymeasured(referenceabsorbeddose)totheselectedoperationalquantityfortheselectedirradiationgeometry.Finally,thereferencepointofthedeviceundertestisplacedatthepointoftestforthecalibrationanddeterminationoftheresponseofthedosemeter.Dependingonthetypeofdosemeterundertest,theirradiationiseithercarriedoutonaphantomorfree-in-airforpersonalandareadosemetersrespectively.Forindividualandareamonitoring,thispartofISO6980describesthemethodsandtheconversioncoefficientstobeusedforthedeterminationoftheresponseofdosemetersanddoseratemetersintermsoftheICRUoperationalquantitiesdirectionaldoseequivalent,H(0.07Ω)andpersonaldoseequivalent,Hp(0,07).ThispartofISO6980isaguideforthosewhocalibrateprotection-leveldosemetersanddoseratemeterswithbeta-referenceradiationanddeterminetheirresponseasafunctionofbeta-particleenergyandangleofincidence.Suchmeasurementscanrepresentpartofatypetestduringthecourseofwhichtheeffectofotherinfluencequantitiesontheresponseisexamined.ThispartofISO6980doesnotcovertheinsitucalibrationoffixed,installedareadosemeters.Theterm"dosemeter"isusedasagenerictermdenotinganydoseordoseratemeterforindividualorareamonitoring.Inadditiontothedescriptionofcalibrationprocedures,thispartofISO6980includesrecommendationsforappropriatephantomsandthewaytodetermineappropriateconversioncoefficients.Guidanceisprovidedonthestatementofmeasurementuncertaintiesandthepreparationofcalibrationrecordsandcertificates.
【中国标准分类号】:A58
【国际标准分类号】:17_240
【页数】:32P.;A4
【正文语种】:英语