DIN EN 62326-4-1997 印制电路板.第4部分:层间连接刚性多层印制电路板.分规范

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【英文标准名称】:Printedboards-Part4:Rigidmultilayerprintedboardswithinterlayerconnections;sectionalspecification(IEC62326-4:1996);GermanversionEN62326-4:1997
【原文标准名称】:印制电路板.第4部分:层间连接刚性多层印制电路板.分规范
【标准号】:DINEN62326-4-1997
【标准状态】:现行
【国别】:德国
【发布日期】:1997-08
【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;印制电路板;机械试验;规范(验收);刚性;电子设备及元件;检验;检查表;多层印制电路板;基底材料;测试图;控制图;特性;特性;试验;分规范;能力鉴定;电子工程;规范;规范;电气试验;印制电路
【英文主题词】:
【摘要】:Thedocumentprovidesadditionalinformationnecessarytosupplementtherequirementsofthegenericspecification,fortheprintedboardsintendedtobeacceptedundertheIECQsystem.#,,#
【中国标准分类号】:L30
【国际标准分类号】:31_180
【页数】:31P;A4
【正文语种】:德语


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【英文标准名称】:StandardGuideforTheInstallationofOperablePartitions
【原文标准名称】:活动间壁安装的标准指南
【标准号】:ASTME557-2000(2006)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:E33.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:acoustic;installation;movable;operable;partitions;sound;Acousticalmaterials/applications;Installation--acousticmaterials;Operablepartition;Partitions
【摘要】:Roomsformedbyoperablepartitionsmustoftenbeisolatedacoustically.Sound-isolatingpropertiesofoperablepartitionsarespecifiedbyarchitectsintermsofsoundtransmissionclass(STC)andsoadvertisedbythemanufactureronthebasisoflaboratorytestsinaccordancewithTestMethodE90andClassificationE413.Becausenormalbuildingdesignandconstructionpracticesarenotthesameasthoseusedinacousticallaboratories,actualfieldperformanceofoperablepartitionswillprobablybelessthanthatoftestspecimens.Soundtransmissionbetweenareastobeisolatedwilloccurthroughalloftheconnectingbuildingcomponentsinadditiontotheoperablepartition,thatis,floorandceilingslabs,ceilingplenums,commonwalls,etc.Allpossiblepathsbetweentheareasbeingisolatedshouldhaveasoundinsulationperformanceatleastequaltotheoperablepartition.Unlessgoodacousticalpracticeisfollowedinbothbuildingdesignandinstallation,theremaybeasignificantdiscrepancybetweenthesoundisolationexpectedandthatachieved.Becauseofthecomplexnatureofthesoundflankingpathsadjacenttooperablepartitions,itishighlyrecommendedthatallrelatedconstructiondetailsbereviewedbyapersonqualifiedinacousticalconstruction.Thisguidedoesnotspecifyrequirements.However,personsdesiringtowriteinstallationandconstructionspecificationsmayfindthecontentsusefulindevelopingrequirementsforthesitepreparation,andinstallationpracticesnecessarytominimizeleakageandflankingsoundaroundtheoperablepartition.1.1Thisguidedescribesoptionsofintructionsrecommendedtobeconsideredinpreparationfor,andapplicationandinstallationof,operablepartitionsand,tosomeextent,inthedesignofthebuildinginwhichtheyareinstalled.Operablepartitionsarethosethatarequicklymovable.1.2Excludedfromthisguidearethosepartitionsthatareclassifiedbythebuildingproductsindustryasdemountable.Demountablepartitionsarethosethataredesignedandinstalledwiththeintentoflaterbeingtakendownandre-erectedbyacrewoveraperiodoftime,withthecomponentsbeingreusable.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P32
【国际标准分类号】:91_060_10
【页数】:6P.;A4
【正文语种】:英语


基本信息
标准名称:铁路车号员技术作业标准 交接班技术作业
中标分类: 铁路 >> 铁路综合 >> 基础标准与通用方法
发布日期:
实施日期:1992-01-01
首发日期:
作废日期:
出版日期:
页数:3页
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所属分类: 铁路 铁路综合 基础标准与通用方法