DIN EN 24036-1992 不倒角六角薄螺母.产品等级B(ISO4036-79)
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【英文标准名称】:Hexagonthinnuts;productgradeB(unchamfered)(ISO4036:1979);germanversionEN24036:1991
【原文标准名称】:不倒角六角薄螺母.产品等级B(ISO4036-79)
【标准号】:DINEN24036-1992
【标准状态】:作废
【国别】:德国
【发布日期】:1992-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:米制的;尺寸;交货条件;紧固件;ISO米制螺纹;螺母;螺纹;验收规范;优先尺寸;产品等级;六角头紧固件;对边宽度;浅;六角螺母;标准螺纹;名称与符号
【英文主题词】:acceptancespecification;normalthreads;threads;shallow;isometricthreads;designations;dimensions;nuts;hexagonnuts;widthsoverflats;fasteners;preferredsizes;productgrades;deliveryconditions;hexa
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:6P;A4
【正文语种】:德语
【英文标准名称】:InformationTechnology-ProgrammingLanguages-C++
【原文标准名称】:信息技术.程序设计语言.C++语言
【标准号】:ANSI/ISO/IEC14882-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:C(程序设计语言);程序设计语言
【英文主题词】:c(programminglanguage);programminglanguages
【摘要】:SpecifiesrequirementsforimplementationsoftheC++programminglanguage.ThisInternationalStandardalsodefinesC++.Otherrequirementsandrelaxationsofthefirstrequirementappearatvariousplaceswithinthisstandard.Hardcopypriceis$175.00.Alsoofferedinelectronicformatfor$18.00.
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasuringReactionRatesbyRadioactivationofUranium-238
【原文标准名称】:用铀238的放射活化测定反应速率的测试方法
【标准号】:ASTME704-2008
【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】:Neutronactivationreactions;Radioactivation--fastneutronflux;Thresholddetectors--1.5to7MeV;Uranium;Uranium-238;Fastneutronflux/fluence;Neutronactivationreactions;Radioactivation--fastneutronflux;Thresholddetectors--1.5to7MeV;Uran
【摘要】:RefertoPracticeE261forageneraldiscussionofthedeterminationoffast-neutronfluenceratewithfissiondetectors.238Uisavailableasmetalfoil,wire,oroxidepowder(seeGuideE844).Itisusuallyencapsulatedinasuitablecontainertopreventlossof,andcontaminationby,the238Uanditsfissionproducts.Oneormorefissionproductscanbeassayed.PertinentdataforrelevantfissionproductsaregiveninTable1andTable2.137Cs-137mBaischosenfrequentlyforlongirradiations.Radioactiveproducts134Csand136Csmaybepresent,whichcaninterferewiththecountingofthe0.662MeV137Cs-137,Bagammarays(seeTestMethodsE320).140Ba-140Laischosenfrequentlyforshortirradiations(seeTestMethodE393).95Zrcanbecounteddirectly,followingchemicalseparation,orwithitsdaughter95Nbusingahigh-resolutiongammadetectorsystem.144Ceisahigh-yieldfissionproductapplicableto2-to3-yearirradiations.Itisnecessarytosurroundthe238Umonitorwithathermalneutronabsorbertominimizefissionproductproductionfromaquantityof235Uinthe238Utargetandfrom239Pufrom(n,x03B3;)reactionsinthe238Umaterial.Assayofthe239Puconcentrationwhenasignificantcontributionisexpected.Fissionproductproductioninalight-waterreactorbyneutronactivationproduct239Puhasbeencalculatedtobeinsignificant(x003C;2%),comparedtothatfrom238U(n,f),foranirradiationperiodof12yearsatafast-neutron(E>1MeV)fluencerateof1x00D7;1011cmx2212;2x00B7;sx2212;1providedthe238Uisshieldedfromthermalneutrons(seeFig.2ofGuideE844).Fissionproductproductionfromphotonuclearreactions,thatis,(x03B3;,f)reactions,whilenegligiblenear-powerandresearch-reactorcores,canbelargefordeep-waterpenetrations(1).1.1Thistestmethodcoversproceduresformeasuringreactionratesbyassayingafissionproduct(F.P.)fromthefissionreaction238U(n,f)F.P.1.2Thereactionisusefulformeasuringneutronswithenergiesfromapproximately1.5to7MeVandforirradiationtimesupto30to40years.1.3EquivalentfissionneutronfluenceratesasdefinedinPracticeE261canbedetermined.1.4Detailedproceduresforotherfast-neutrondetectorsarereferencedinPracticeE261.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitesofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:4P.;A4
【正文语种】:英语