【英文标准名称】:StandardSpecificationforBoron-BasedNeutronAbsorbingMaterialSystemsforUseinNuclearSpentFuelStorageRacks
【原文标准名称】:核废燃料存放架用系列硼基中子吸收材料设备
【标准号】:ASTMC992-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:C26.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:磨切;硼;燃料存放;材料;中子;核能;核技术;支架
【英文主题词】:boron;spentfuel;storagerack
【摘要】:1.1Thisspecificationdefinescriteriaforboron-basedneutronabsorbingmaterialsystemsusedinracksinapoolenvironmentforstorageofnuclearlightwaterreactor(LWR)spent-fuelassembliesordisassembledcomponentstomaintainsub-criticalityinthestorageracksystem.1.2Boron-basedneutronabsorbingmaterialsystemsnormallyconsistofmetallicboronorachemicalcompoundcontainingboron(forexample,boroncarbide,B4C)supportedbyamatrixofaluminum,steel,orothermaterials.1.3Inaboron-basedabsorber,neutronabsorptionoccursprimarilybytheboron-10isotopethatispresentinnaturalborontotheextentof18.30.2%byweight(dependinguponthegeologicaloriginoftheboron).Boron,enrichedinboron-10couldalsobeused.1.4Thematerialssystemsdescribedhereinshallbefunctional-thatisalwaysbecapabletomaintainaB10arealdensitysuchthatsubcriticalityKeff0.95orKeff0.98orKeff1.0dependingonthedesignspecificationfortheservicelife(approximately40years)intheoperatingenvironmentofanuclearspentfuelpool.1.5Anumberofacceptableboron-basedabsorbingmaterialscombinationsarecurrentlyavailablewhileothersarebeingdevelopedforuseinthefuture.Thisspecificationdefinescriteriaessentialandapplicabletoallmaterialscombinationsandidentifiesparametersabuyershouldspecifytosatisfyauniqueorparticularrequirement.1.6Thescopeofthisspecificationdoesnotcomprehensivelycoverallprovisionsforpreventingcriticalityaccidentsorrequirementsforhealthandsafety.Observanceofthisspecificationdoesnotrelievetheuseroftheobligationtoconformtoallapplicableinternational,national,andlocalregulations.
【中国标准分类号】:F69
【国际标准分类号】:27_120_01
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Specificationforrecirculatoryfiltrationfumecupboards
【原文标准名称】:循环过滤通风柜橱规范
【标准号】:BS7989-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-07-15
【实施或试行日期】:2001-07-15
【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】:排烟系统;空调系统;空气污染;空气净化;污染物气体;通风;通风柜橱
【英文主题词】:Airpollution;Airpurification;Air-conditioningsystems;Fumecupboards;Fumeextractionsystems;Pollutantgases;Ventilation
【摘要】:ThisBritishStandardspecifiesrequirementsforfumecupboardsdesignedtorecirculateairbacktotheroomafterfilteringoutspecifiedpollutants.ThisBritishStandarddoesnotspecifyrequirementsforfumecupboardsofthetypedealtwithinBS7258.ThisBritishStandardisnotapplicabletorecirculatoryfiltrationfumecupboardsofthefollowingtypes:—recirculatoryfiltrationfumecupboardsforworkonradioactivematerials;—recirculatoryfiltrationfumecupboardsforworkonmicrobiologicalagents;—highthermalloadrecirculatoryfiltrationfumecupboards;—recirculatoryfiltrationfumecupboardsemployingwetscrubbingsystems.ThisBritishStandardisnotintendedtoapplytosmallenclosuresintendedonlyforapplicationssuchasweighing,inwhichthefilterretentioncapacityislikelytobesmall.
【中国标准分类号】:N60
【国际标准分类号】:13_040_30;91_140_30
【页数】:26P;A4
【正文语种】:英语