【英文标准名称】:RootCanalFillingCondensers(PluggersandSpreaders)
【原文标准名称】:牙根管填充电容器(充填器和扩充器)
【标准号】:ANSI/ADA71-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:医疗技术学;牙根管器械;牙科器械;牙科学
【英文主题词】:dentistry;medicaltechnology;rootcanalinstruments;dentalinstruments
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:11_060_20
【页数】:
【正文语种】:英语


【英文标准名称】:Radiationprotection-Sealedradioactivesources-Generalrequirementsandclassification
【原文标准名称】:辐射防护密封放射源一般要求和分级
【标准号】:ISO2919-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;放射性;规范(验收);辐射防护;试验;核能;辐射源;分类系统
【英文主题词】:Classification;Classificationsystems;Definitions;Impacttesting;Impacttests;Marking;Nuclearenergy;Nucleartechnology;Pressuretests;Production;Punchingtests;Radiationprotection;Radiationsources;Radioactivematerials;Radioactivesources;Radioactivity;Radiology;Safety;Specification(approval);Testing;Thermaltesting
【摘要】:ThisInternationalStandardestablishesasystemofclassificationofsealedradioactivesourcesbasedontestperformanceandspecifiesgeneralrequirements,performancetests,productiontests,markingandcertification.Itprovidesasetoftestsbywhichthemanufacturerofsealedradioactivesourcescanevaluatethesafetyofhisproductsinuseandbywhichtheuserofsuchsourcescanselecttypeswhicharesuitablefortherequiredapplication,especiallywhereprotectionagainstthereleaseofradioactivematerial,withconsequentexposuretoionizingradiation,isconcerned.ThisInternationalStandardmayalsobeofguidancetoregulatingauthorities.Thetestsfallintoseveralgroups,including,forexample,exposuretoabnormallyhighandlowtemperatures,andavarietyofmechanicaltests.Eachtestcanbeappliedinseveraldegreesofseverity.Thecriterionofpassorfaildependsonleakageofthecontentsofthesealedradioactivesource.NOTE1LeakagetestmethodsaregiveninISO9978.Alistofthemaintypicalapplicationsofsealedradioactivesourceswithasuggestedtestscheduleforeachapplicationisgivenintable4.Thetestsareminimumrequirementscorrespondingtotheapplicationsinthebroadestsense.Factorstobeconsideredforapplicationsinespeciallysevereconditionsarelistedin4.2.NOTE2Manufacturersandtestorganizationsshouldpreparetheirownprogrammeforqualityassurance,inaccordancewiththerequirementsofISO9000toISO9004oranequivalentnationalstandard.ThisInternationalStandardmakesnoattempttoclassifyeitherthedesignofsourcesandtheirmethodofconstructionortheircalibrationintermsoftheradiationemitted.RadioactivematerialsinsideanuclearreactorincludingsealedsourcesandfuelelementsarenotcoveredbythisInternationalStandard.
【中国标准分类号】:F70;F50
【国际标准分类号】:13_280
【页数】:19P.;A4
【正文语种】:英语