ASTM C1233-2009 核材料中当量硼含量测定的标准实施规范
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【英文标准名称】:StandardPracticeforDeterminingEquivalentBoronContentsofNuclearMaterials
【原文标准名称】:核材料中当量硼含量测定的标准实施规范
【标准号】:ASTMC1233-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C26.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:boron;neutronabsorption;nuclearmaterials;nuclearpoisons;Boroncontent--nuclear-gradematerials;Boronequivalents;EBC(equivalentboroncontents);Neutronabsorbingmaterials;Nuclearapplications/materials;Nuclearpoisons
【摘要】:1.1ThisstandarddetailsarecommendedpracticeforthecalculationoftheEquivalentBoronContent(EBC)fornuclearmaterials.TheEBCisusedtoprovideameasureofthemacroscopicneutronabsorptioncrosssectionofanuclearmaterial.EBCfactorsforthenaturalelementsaredeterminedfromtheiratomictheirmassesandthermalneutronabsorptioncrosssections.ThispracticeisillustratedbyusingEBCfactorsthatarebasedonthermalneutron(2200m/s)absorptioncrosssections.OtherEBCfactorsmaybeuseddependingupontheactualneutronenergyspectrum.1.2TheEBCisacharacteristicofahomogeneousmaterial.Characterizationofinhomogeneousmaterialsandcalculationofneutronmultiplicationfactorsrequiretechniquesthatarebeyondthescopeofthispractice.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:3P.;A4
【正文语种】:英语
【原文标准名称】:核材料中当量硼含量测定的标准实施规范
【标准号】:ASTMC1233-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C26.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:boron;neutronabsorption;nuclearmaterials;nuclearpoisons;Boroncontent--nuclear-gradematerials;Boronequivalents;EBC(equivalentboroncontents);Neutronabsorbingmaterials;Nuclearapplications/materials;Nuclearpoisons
【摘要】:1.1ThisstandarddetailsarecommendedpracticeforthecalculationoftheEquivalentBoronContent(EBC)fornuclearmaterials.TheEBCisusedtoprovideameasureofthemacroscopicneutronabsorptioncrosssectionofanuclearmaterial.EBCfactorsforthenaturalelementsaredeterminedfromtheiratomictheirmassesandthermalneutronabsorptioncrosssections.ThispracticeisillustratedbyusingEBCfactorsthatarebasedonthermalneutron(2200m/s)absorptioncrosssections.OtherEBCfactorsmaybeuseddependingupontheactualneutronenergyspectrum.1.2TheEBCisacharacteristicofahomogeneousmaterial.Characterizationofinhomogeneousmaterialsandcalculationofneutronmultiplicationfactorsrequiretechniquesthatarebeyondthescopeofthispractice.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:3P.;A4
【正文语种】:英语
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