【英文标准名称】:StandardSpecificationforFerromanganese
【原文标准名称】:锰铁合金标准规范
【标准号】:ASTMA99-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:A01.18
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:铁;铁合金;锰铁
【英文主题词】:ferroalloy;ferromanganese
【摘要】:1.1Thisspecificationcoverstengradesofferromanganese,designatedasfollows:StandardferromanganeseGradeAGradeBGradeCMedium-carbonferromanganeseGradesA,B,C,andDNitridedLow-carbonferromanganeseGradeAGradeB【英文标准名称】:PracticeforUseoftheEthanol-ChlorobenzeneDosimetrySystem
【原文标准名称】:使用乙醇氯苯剂量测定系统的实施规程
【标准号】:ANSI/ASTME1538-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-07-10
【实施或试行日期】:2007-07-10
【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】:剂量测定;乙醇;γ辐射;电离辐射;辐照;光子;实施规程
【英文主题词】:Dosimetry;Ethanol;Gamma-radiation;Ionizingradiation;Irradiation;Photons;Practice
【摘要】:Thispracticecoversthepreparation,handling,testing,andprocedureforusingtheethanol-chlorobenzenedosimetrysystemtomeasureabsorbeddoseinmaterialsirradiatedbyphotonsandelectronsintermsofabsorbeddoseinwater.Thesystemconsistsofadosimeterandappropriateanalyticalinstrumentation.Forsimplicity,thesystemwillbereferredtoastheECBsystem.Itisclassifiedasareferencestandarddosimeter(seeGuideE1261).ThispracticedescribesthetitrationanalysisasastandardreadoutprocedurefortheECBdosimeter.Otherapplicablereadoutmethods(spectrophotometric,oscillometric)aredescribedinAppendixesX1andX2.Thispracticeappliesonlytogammarays,Xrays,andhigh-energyelectrons.Thispracticeappliesprovidedthefollowingaresatisfied:Theabsorbeddoserangeshallbefrom10Gyto2MGy(1).Theabsorbeddoseratedoesnotexceed10Gys-1(2).Forradionuclidegamma-raysources,theinitialphotonenergyshallbegreaterthan0.6MeV.Forbremsstrahlungphotons,theinitialenergyoftheelectronsusedtoproducethebremsstrahlungphotonsshallbeequaltoorgreaterthan2MeV.Forelectronbeams,theinitialelectronenergyshallbegreaterthan4MeV(seeICRUReports34and35).Note1-Thelowerlimitsofelectromagneticradiationenergygivenareappropriateforacylindricaldosimeterampouleof12-mmdiameter.Correctionsfordosegradientsacrossanampouleofthatdiameterorlessarenotrequired.TheECBsystemmaybeusedatenergiesofincidentelectronslowerthan8MeVbyemployingthinner(inthebeamdirection)dosimetercontainers(seeICRUReport35).Theirradiationtemperatureofthedosimetershouldbewithintherangefrom-40?Cto80?C.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:17_240
【页数】:
【正文语种】:英语