BS EN 14617-12-2005 烧结石料.试验方法.尺寸稳定性测定
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【英文标准名称】:Agglomeratedstone-Testmethods-Determinationofdimensionalstability
【原文标准名称】:烧结石料.试验方法.尺寸稳定性测定
【标准号】:BSEN14617-12-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-04-18
【实施或试行日期】:2005-04-18
【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】:人工的;尺寸精度;试验;抽样方法;试样;尺寸稳定性;胶粘剂;面砖;地板覆盖物;材料试验;石;天然石料;测定
【英文主题词】:Adhesives;Artificial;Determination;Dimensionalaccuracy;Dimensionalstability;Floorcoverings;Materialstesting;Naturalstones;Samplingmethods;Stone;Testspecimens;Testing;Tiles
【摘要】:Thisdocumentspecifiesatestmethodtodeterminethedimensionalstability,intendedastheevaluationofadeformation,towardsabearingplane,byprolongedcontactwithwater,ofagglomeratedstonestilesusedforflooringandcladdinginbuilding.Thetestismainlyperformedtoselectasuitableadhesiveforthelayingdownoperations.
【中国标准分类号】:Q21
【国际标准分类号】:91_100_15
【页数】:12P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasuringFast-NeutronReactionRatesbyRadioactivationofNiobium
【原文标准名称】:用铌辐射激活法测量快中子反应率的标准试验方法
【标准号】:ASTME1297-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E10.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ctivation;activationreaction;crosssection;dosimetry;fastneutronmonitor;neutrondosimeter;neutronmetrology;niobium;pressurevesselsurveillance;reactionrate;reactionratemonitor;Decayrates;Fastneutronflux/fluence;Irradiance/irradia
【摘要】:p>RefertoPracticeE261forageneraldiscussionofthedeterminationofdecayrates,reactionrates,andneutronfluencerateswiththresholddetectors(1-29).RefertoPracticeE1006,PracticeE185andGuideE1018fortheuseandapplicationofresultsobtainedbythistestmethod.(34-36)Thehalf-lifeof93mNbis5730x00B1;220days(30)andhasaKX-rayemissionprobabilityof0.1099x00B1;0.0025perdecay(30).TheKx03B1;andKx03B2;X-raysofniobiumareat16.5213x2013;16.152and18.618x2013;18.953keV,respectively.Therecommended93Nb(n,nx2032;)93mNbcrosssectioncomesfromtheIRDF-90crosssectioncompendium(31),wasdrawnfromtheRRDF-98crosssectionevaluations(37)andisshowninFig.1.Chemicaldissolutionoftheirradiatedniobiumtoproduceverylowmass-per-unitareasourcesisaneffectivewaytoobtainconsistentresults.Thedirectcountingoffoilsorwirescanproducesatisfactoryresultsprovidedappropriatemethodsandinterpretationsareemployed.Itispossibletouseliquidscintillationmethodstomeasuretheniobiumactivityprovidedtheradioactivematerialcanbekeptuniformlyinsolutionandappropriatecorrectionscanbemadeforinterferingactivities.Themeasuredreactionratescanbeusedtocorrelateneutronexposures,providecomparisonwithcalculatedreactionrates,anddetermineneutronfluences.Reactionratescanbedeterminedwithgreateraccuracythanfluenceratesbecauseofthecurrentuncertaintyinthecrosssectionversusenergyshape.The93Nb(n,nx2032;)93mNbreactionhasthedesirablepropertiesofmonitoringneutronexposuresrelatedtoneutrondamageofnuclearfacilitystructuralcomponents.Ithasanenergyresponserangecorrespondingtothedamagefunctionofsteelandhasahalf-lifesufficientlylongtoallowitsuseinverylongexposures(uptoabout40years).Monitoringlongexposuresisusefulindeterminingthelong-termintegrityofnuclearfacilitycomponents.1.1Thistestmethoddescribesproceduresformeasuringreactionratesbytheactivationreaction93Nb(n,nx2032;)93mNb.1.2Thisactivationreactionisusefulformonitoringneutronswithenergiesaboveapproximately0.5MeVandforirradiationtimesuptoabout30years.1.3Withsuitabletechniques,fast-neutronreactionratesforneutronswithenergydistributionsimilartofissionneutronscanbedeterminedinfast-neutronfluencesaboveabout1016cmx2212;2.Inthepresenceofhighthermal-neutronfluencerates(>1012cmx2212;2x00B7;sx2212;1),thetransmutationof93mNbduetoneutroncaptureshouldbeinvestigated.Inthepresenceofhigh-energyneutronspectrasuchasareassociatedwithfusionandspallationsources,thetransmutationof93mNbbyreactionssuchas(n,2n)mayoccurandshouldbeinvestigated.1.4Proceduresforotherfast-neutronmonitorsarereferencedinPracticeE261.1.5Fast-neutronfluenceratescanbedetermined......
【中国标准分类号】:F46
【国际标准分类号】:27_120_01
【页数】:6P.;A4
【正文语种】:英语
基本信息
标准名称: | 9mm警用转轮手枪装弹具 |
中标分类: |
综合 >>
社会公共安全 >>
警用装备与器械 |
ICS分类: |
军事工程 >>
军事工程、军事物资、武器
|
发布部门: | 公安部 |
发布日期: | 2008-11-10 |
实施日期: | 2008-12-01 |
首发日期: | |
作废日期: | |
主管部门: | 公安部 |
出版社: | 中国标准出版社 |
出版日期: | 2008-12-01 |
页数: | 9 |
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所属分类: 综合 社会公共安全 警用装备与器械 军事工程 军事工程 军事物资 武器