Product Code:SAE AMS4490
Title:Magnesium Alloy Castings, Die, 9.0al 0.70zn (Az91d, Temper F), as Cast
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers a magnesium alloy in the form of die castings.【英文标准名称】:PracticeforDosimetryinaGammaIrradiationFacilityforRadiationProcessing
【原文标准名称】:辐射加工用γ射线辐射设备的剂量测定实施规范
【标准号】:ANSI/ASTME1702-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004-01-01
【实施或试行日期】:2004-01-01
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:1剂量器;2剂量测定
【英文主题词】:dosimeters;dosimetry
【摘要】:Thispracticeoutlinesdosimetricprocedurestobefollowedinirradiatorcharacterization,processqualification,androutineprocessinginagammairradiationfacility.Theseproceduresensurethatallproductprocessedwithionizingradiationfromisotopicgammasourcesreceiveabsorbeddoseswithinapredeterminedrange.Otherproceduresrelatedtoirradiatorcharacterization,processqualification,androutineprocessingthatmayinfluenceabsorbeddoseintheproductarealsodiscussed.Informationabouteffectiveorregulatorydoselimitsisnotwithinthescopeofthisdocument.Dosimetryisonecomponentofatotalqualityassuranceprogramforanirradiationfacility.Othercontrolsbesidesdosimetrymayberequiredforspecificapplicationssuchasmedicaldevicesterilizationandfoodpreservation.Fortheirradiationoffoodandtheradiationsterilizationofhealthcareproducts,otherspecificISOstandardsexist.Forfoodirradiation,seeISO15554:1998,PracticeforDosimetryinGammaIrradiationFacilitiesforFoodProcessing(ASTMPracticeE1204).Fortheradiationsterilizationofhealthcareproducts,seeISO11137:1995,SterilizationofHealthCareProducts-RequirementsforValidationandRoutineControl-RadiationSterilization.InthoseareascoveredbyISO11137,thatstandardtakesprecedence.Forguidanceintheselection,calibration,anduseofspecificdosimeters,andinterpretationofabsorbeddoseintheproductfromdosimetrymeasurements,seeGuideE1261andPracticesE666,E668,E1026,E1205,E1275,E1276,E1310,E1400,E1401,E1538,E1540,E1607,andE1650.Fordiscussionofradiationdosimetryforgammarays,seeICRUReport14.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F04
【国际标准分类号】:17_240
【页数】:
【正文语种】:英语