ANSI/EIA-520FAAA-1995 质量认证的(低额定电流)最大12位旋转式开关详细规范
作者:标准资料网 时间:2024-05-25 05:50:18 浏览:8218
来源:标准资料网
【英文标准名称】:DetailSpecificationforRotarySwitchesofCertifiedQuality(LowCurrentRating)12PositionsMaximum
【原文标准名称】:质量认证的(低额定电流)最大12位旋转式开关详细规范
【标准号】:ANSI/EIA-520FAAA-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:旋转式开关;规范;开关;电子工程
【英文主题词】:Certification;Currentratings;Currents;Detailspecification;Electronicengineering;Electronicproducts;Position;Quality;Rating;Rotaryswitches;Specification;Switches
【摘要】:
【中国标准分类号】:L22
【国际标准分类号】:31_220_20
【页数】:
【正文语种】:英语
【英文标准名称】:Acoustics-Measurementofsoundinsulationinbuildingsandofbuildingelementsusingsoundintensity-Fieldmeasurements
【原文标准名称】:声学.用声强作建筑物和建筑构件的隔声测量.现场测量
【标准号】:BSISO15186-2-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-06-27
【实施或试行日期】:2003-06-27
【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】:元部件;建筑;条件;结构构件;建筑物;就地;试验;隔音;测量;定义;声强;声学试验;声学
【英文主题词】:Acoustictesting;Acoustics;Buildings;Components;Conditions;Construction;Definition;Definitions;Insitu;Measurement;Soundinsulation;Soundintensity;Structuralmembers;Testing
【摘要】:GeneralThispartofISO15186specifiesasoundintensitymethodtodeterminethein-situsoundinsulationofwaits,floors,doors,windowsandsmallbuildingelements.Itisintendedformeasurementsthathavetobemadeinthepresenceofflankingtransmission.Itcanbeusedtoprovidesoundpowerdatafordiagnosticanalystsofflankingtransmissionortomeasureflankingsoundinsulationparameters.ThispartofISO15186canbeusedbylaboratoriesthatcouldnotsatisfytherequirementsofISO15186-1,whichdealswithlaboratorymeasurementswithnoorlittleflankingtransmission.ISO15186-3dealswithmeasurementsunderlaboratoryconditions,atlowfrequencies.ThispartofISO15186alsodescribestheeffectofflankingtransmissiononmeasurementsmadeusingthespecifiedmethod,andhowintensitymeasurementscanbeused—tocomparethein-situsoundinsulationofabuildingelementwithlaboratorymeasurementswhereflankinghasbeensuppressed(i.e.ISO140-3),—torankthepartialcontributionsforbuildingelements,and—tomeasuretheflankingsoundreductionindexforoneormoretransmissionpaths(forvalidationofpredictionmodelssuchasthosegiveninEN12354-1).Thismethodgivesvaluesforairbornesoundinsulation,whicharefrequencydependent.Theycanbeconvertedintoasinglenumber,characterizingtheacousticperformance,byapplicationofISO717-1.PrecisionThereproducibilityofthisintensitymethodisestimatedtobeequaltoorbetterthanthatofthemethodsofISO140-10andISO140-4,whenmeasuringasinglesmallandlargebuildingelement,respectively.NOTE1IfsoundreductionmeasuresmadeusingthismethodaretobecomparedwiththosemadeusingtheconventionalreverberationroommethodinvariouspartsofISO140,thenitwillbenecessarytointroduceanadaptationtermthatreflectsthebiasbetweenthetestmethods.ThistermisgiveninAnnexA.NOTE2SomeinformationabouttheaccuracyforthispartofISO15186anditsrelationshiptothesoundreductionindexmeasuredaccordingtoISO140-3andISO140-4isgiveninAnnexB.NOTE3FlankingtransmissionisdiscussedinAnnexC.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:32P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforColorandColor-DifferenceMeasurementbyTristimulusColorimetry
【原文标准名称】:用三色激励测色法测量颜色和色差的标准试验方法
【标准号】:ASTME1347-2006
【标准状态】:现行
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:比色的;比色法;测量;光学;试验
【英文主题词】:Colorimetric;Colorimetry;Measurement;Optics;Testing
【摘要】:
【中国标准分类号】:A26
【国际标准分类号】:17_180_20
【页数】:5P;A4
【正文语种】:英语
