DIN 43167-2-1987 工作电压为交流1000V以下、直流1500V以下架空接触线用棒式绝缘子.帽、U型螺栓和钩头螺栓
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【英文标准名称】:Rod-typeinsulatorforoverheadcontactlinesforoperatingvoltagesupto1000Va.c.and1500Vd.c.;caps,u-boltsandhookbolt
【原文标准名称】:工作电压为交流1000V以下、直流1500V以下架空接触线用棒式绝缘子.帽、U型螺栓和钩头螺栓
【标准号】:DIN43167-2-1987
【标准状态】:现行
【国别】:德国
【发布日期】:1987-12
【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】:电气工程;螺钉;绝缘子;尺寸;紧固件;规范(审批);设计;材料;形状;作标记;架空接触线路;架空接触网系统;铁路架空输电网;棒形绝缘子;帽(闭塞物);管帽
【英文主题词】:
【摘要】:
【中国标准分类号】:S82;K48
【国际标准分类号】:29_280
【页数】:6P;A4
【正文语种】:德语
【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsofnoisesourcesusingsoundintensity-Part1:Measurementatdiscretepoints(ISO9614-1:1993);EnglishversionofDINENISO9614-1:2009-11
【原文标准名称】:声学.声压法测定噪声源声功率级使用声音强度法,第1部分:离散点测试(ISO9614-1:1993),德文版本ENISO9614-1:2009
【标准号】:DINENISO9614-1-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acoustictesting;Acoustics;Calibration;Definitions;Determination;Earprotectors;Externalnoise;Intensity;Machines;Measurement;Measuringenvironment;Measuringincertainity;Measuringinstruments;Measuringtechniques;Methods;Noise;Noiseemissions;Noise(environmental);Noisemeasurements;Noisesources;Precision;Properties;Soundfields;Soundintensity;Soundlevel;Soundpower;Soundsources;Specification(approval);Temperature;Winds
【摘要】:1.1ThispartofISO9614specifiesamethodformeasuringthecomponentofsoundintensitynormaltoameasurementsurfacewhichischosensoastoenclosethenoisesource(s}ofwhichthesoundpowerlevelistobedetermined.Theone-octave,one-third-octaveorband-limitedweightedsoundpowerleveliscalculatedfromthemeasuredvalues.Themethodisapplicabletoanysourceforwhichaphysicallysta-tionarymeasurementsurfacecanbedefined,andonwhichthenoisegeneratedbythesourceisstationaryintime(asdefinedin3.13).Thesourceisdefinedbythechoiceofmeasurementsurface.Themethodisapplicableinsitu,orinspecialpurposetestenviron-ments,1.2ThispartofISO9614isapplicabletosourcessituatedinanyenvironmentwhichisneithersovari-ableintimeastoreducetheaccuracyofthemeas-urementofsoundintensitytoanunacceptabledegree,norsubjectstheintensitymeasurementprobetogasflowsofunacceptablespeedorun-steadiness(see5.3and5.4).Insomecases,itwillbefoundthatthetestconditionsaretooadversetoallowtherequirementsofthispartofISO9614tobemet.Inparticular,extraneousnoiselevelsmayvarytoanexcessivedegreeduringthetest.Insuchcases,themethodgiveninthispartofISO9614isnotsuitableforthedeterminationofthesoundpowerlevelofthesource.NOTE1Othermethods,e.g.determinationofsoundpowerlevelsfromsurfacevibrationlevelsasdescribedinISO/TR7849,maybemoresuitable.1.3ThispartofISO9614specifiescertainancillaryprocedures,describedinannexB,tobefollowedinconjunctionwiththesoundpowerdetermination.Theresultsareusedtoindicatethequalityofthedeter-mination,andhencethegradeofaccuracy.Ifthein-dicatedqualityofthedeterminationdoesnotmeettherequirementsofthispartofISO9614,thetestprocedureshouldbemodifiedinthemannerindi-cated.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20
【页数】:30P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-FrameworkandtaxonomyofInternationalStandardizedProfiles-Part3:PrinciplesandTaxonomyforOpenSystemEnvironmentprofiles
【原文标准名称】:信息技术国际标准化轮廓的框架和分类方法第3部分:开放系统环境轮廓用的原则和分类方法
【标准号】:ISO/IECISP10000-3-1998
【标准状态】:现行
【国别】:国际
【发布日期】:
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:JTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThepurposeofthispartofISO/IECTR10000istoprovidethecontextforfunctionalstandardizationinsupportofOpenSystemEnvironments(OSE).ItprovidesprinciplesandaclassificationschemeforOSEprofileswhichmaybeorhavebeensubmittedforratificationasInternationalStandardizedProfiles(ISPs).ISO/IECTR10000-1definestheconceptofprofilesthataredocumentedasISPs.ThispartofISO/IECTR10000outlinesthebasicOSEobjectivesandconcepts,anddefinesanapproachandformatforOSEprofilesspecifiedbyInternationalStandardizedProfiles.ItgivesguidancetoorganizationsproposingDraftOSEISPs,onthenatureandcontentofthedocumentswhichmaybesubmittedforratificationasInternationalStandardizedProfiles.AnOSEisdefinedasacomprehensivesetofinterfaces,servicesandsupportingformats(includinguseraspects)enablinginteroperabilityandportabilityofapplications,dataorpeople,asspecifiedbyinformationtechnologystandardsandprofiles.Communicationprotocolsarepartofthespecificationofbehaviouratcertaintypesofinterfaces.EachOSEprofileiscreatedtosatisfyaclearlyspecifiedsetofuserrequirements.SinceprofileswillbeproposedaccordingtoneedsidentifiedtoSGFSandaccordingtotheprogressofinternationalbasestandardization,theTaxonomywillbeperiodicallyupdatedorhavenewpartsaddedinordertoreflecttheprogressreached.ItisalsorecognizedthattherewillbeproposalsfortheextensionofthetaxonomytocoverfunctionswhichwerenotidentifiedduringthepreparationofthiseditionofISO/IECTR10000.TheseextensionsmaybeidentifiedbyavarietyofproposersandinvolvesimpleextensionstotheexistingTaxonomyortheadditionofnewfunctionalareasnotcurrentlycoveredbyISO/IECTR10000.TheinclusionofsuchextensionsisadministeredfollowingtheprocedureselaboratedbySGFS.AdistinctionhasbeenmadebetweenaprofileandanISPwhichdocumentsoneormoreprofiles.TheTaxonomyisonlyconcernedwithprofiles,butfurtherinformationisgiveninthe"DirectoryofISPsandProfilescontainedtherein"astowhichISPcontainsthedocumentationofaprofile.ThisDirectoryismaintainedasanSGFSstandingdocumentSD-4(seereferenceinAnnexA).ForeachdraftprofilesubmittedtoSGFS,itwillalsoprovideadditionalinformation,includingthestatusoftheidentifiedprofiles.
【中国标准分类号】:L70
【国际标准分类号】:
【页数】:
【正文语种】:其他
