NF A89-010-6-1994 金属材料焊接程序的规范和认可.第6部分:以前试验的认可
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【英文标准名称】:SPECIFICATIONANDAPPROVALOFWELDINGPROCEDURESFORMETALLICMATERIALS.PART6:APPROVALRELATEDTOPREVIOUSEXPERIENCE.(EUROPEANSTANDARDEN288-6).
【原文标准名称】:金属材料焊接程序的规范和认可.第6部分:以前试验的认可
【标准号】:NFA89-010-6-1994
【标准状态】:作废
【国别】:法国
【发布日期】:1994-11
【实施或试行日期】:1994-10-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_10
【页数】:9P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodsforChemical,MassSpectrometric,Spectrochemical,Nuclear,andRadiochemicalAnalysisofNuclear-GradeUranylNitrateSolutions
【原文标准名称】:核纯级硝酸铀酰溶液的化学的、质谱的、光谱化学的、核(放射性)及放射化学分析的标准试验方法
【标准号】:ASTMC799-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:C26.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分析;溶液;核技术;光谱化学分析;核能;硝酸盐;铀;光谱测定法;化学分析和试验
【英文主题词】:impuritycontent;isotopiccomposition;stoichiometry;uraniumcontent;uranylnitrate
【摘要】:Uranylnitratesolutionisusedasafeedmaterialforconversiontothehexafluorideaswellasfordirectconversiontotheoxide.Inordertobesuitableforthispurpose,thematerialmustmeetcertaincriteriaforuraniumcontent,isotopiccomposition,acidity,radioactivity,andimpuritycontent.ThesemethodsaredesignedtoshowwhetheragivenmaterialmeetsthespecificationsfortheseitemsdescribedinSpecificationC788.3.1.1Anassayisperformedtodeterminewhetherthematerialhasthespecifieduraniumcontent.3.1.2Determinationoftheisotopiccontentoftheuraniumismadetoestablishwhethertheeffectivefissilecontentisinaccordancewiththepurchaserrsquo;specifications.3.1.3Acidity,organiccontent,andalpha,beta,andgammaactivityaremeasuredtoestablishthattheydonotexceedtheirmaximumlimits.3.1.4Impuritycontentisdeterminedtoensurethatthemaximumconcentrationlimitofcertainimpurityelementsisnotexceeded.Impurityconcentrationsarealsorequiredforcalculationoftheequivalentboroncontent(EBC),andthetotalequivalentboroncontent(TEBC).1.1Thesetestmethodscoverproceduresforthechemical,massspectrometric,spectrochemical,nuclear,andradiochemicalanalysisofnuclear-gradeuranylnitratesolutiontodeterminecompliancewithspecifications.1.2Theanalyticalproceduresappearinthefollowingorder:1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection5.
【中国标准分类号】:F46
【国际标准分类号】:
【页数】:14P.;A4
【正文语种】:
【英文标准名称】:Ventilationinbuildings-Chilledbeams-Testingandratingofactivechilledbeams
【原文标准名称】:建筑物的通风.冷却梁.有源冷却梁的测试和评定
【标准号】:BSEN15116-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-11-30
【实施或试行日期】:2008-11-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:空调系统;风冷系统;梁;建筑物;顶棚;冷却;冷却扩散;冷却系统;定义;评估;数学计算;测量;测量技术;机械工程;方法;产品数据;制冷能力;试验;试验条件;单元供冷器;通风;水冷却
【英文主题词】:Air-conditioningsystems;Air-cooledsystems;Beams;Buildings;Ceilings;Cooling;Coolingspread;Coolingsystems;Definition;Definitions;Evaluations;Mathematicalcalculations;Measurement;Measuringtechniques;Mechanicalengineering;Methods;Productdata;Refridgeratingcapacity;Testing;Testingconditions;Unitcoolers;Ventilation;Watercooling
【摘要】:ThisEuropeanStandardspecifiesmethodsformeasuringthecoolingcapacityofchilledbeamswithforcedairflow.Theevaluationofaerodynamicairperformanceisnotpartofthisstandard.Itwillbedealtwithinthefutureinanewstandardentitled"Airterminaldevices-Aerodynamictestingandratingformixedflowapplicationsfornonisothermaltesting-Coldjets".Thepurposeofthestandardistogivecomparableandrepeatableproductdata.Thetestmethodappliestoalltypesofconvectorcoolingsystemswithforcedairsupplyusinganymediumasenergytransportmedium.Thisstandardonlyappliestosituationswhereinducedaironlypassesthroughtheheatexchanger(primaryairdoesnotpassthroughtheheatexchanger).NOTETheresultisvalidonlyforthespecifiedtestsetup.Forotherconditions,(i.e.differentpositionsofheatloads,inactiveceilingelementsaroundthetestobjects),theproducershouldgiveguidancebasedonfullscaletests.Thisstandardreferstowaterasthemaincoolingmedium,withthepossibilityofadditionalcoolingfromtheprimaryair.Whereverwateriswritten,anyothercoolingmediumcanalsobeusedinthetest.
【中国标准分类号】:Q76
【国际标准分类号】:91_140_30
【页数】:24P.;A4
【正文语种】:英语
