JB/T 9769-1999 内燃机 气门座 技术条件

上一篇: JB/T 9763-1999 内燃机 精密电镀减摩层轴瓦 检验规范
下一篇: JB/T 9764-1999 内燃机 卷制连杆衬套 技术条件

【英文标准名称】:Multi-elementmetalliccablesusedinanalogueanddigitalcommunicationandcontrol-Sectionalspecificationforscreenedcablescharacterizedupto600MHz-Workareaandpatchcordcables
【原文标准名称】:模拟和数字通信及控制中使用的多元件金属电缆.600MHz及以下的屏蔽电缆分规范.工作区域和临时线路的软线电缆
【标准号】:BSEN50288-4-2-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-01-15
【实施或试行日期】:2004-01-15
【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】:试验;传输技术;数据传送;数据网络;火焰表面传播;开关板电缆;数字的;通信;ISDN;编织外壳;电缆护套;铠装电缆;电气工程;多线;设计;综合服务数字网络;定义;传输特性;材料;规范(验收);信息技术;适配器;信号传输;通信电缆;数字工程;布线管道;屏蔽的;连接软线;电气试验;机械试验;数字连接;分规范;绝缘;连接电缆;数字电路;电器用具软线;电缆;多芯电缆;护套电缆;传播学;金属的;电缆结构;绞合;模拟
【英文主题词】:Adapters;Analogue;Appliancecords;Braidshieldings;Cableconstruction;Cablesheaths;Cables;Communication;Communicationcables;Connectingcables;Connectingcords;Datanetwork;Datatransfer;Definition;Definitions;Design;Digital;Digitalcircuits;Digitalconnections;Digitalengineering;Electricalengineering;Electricaltesting;Informationtechnology;Insulations;Integratedservicesdigitalnetwork;ISDN;Materials;Mechanicaltesting;Metallic;Multi-corecables;Multicorecables;Multi-wire;Sectionalspecification;Sheathedcables;Shielded;Shieldedcables;Signaltransmission;Specification;Specification(approval);Stranding;Surfacespreadofflame;Switchboardcables;Telecommunication;Telecommunications;Testing;Transmissioncharacteristics;Transmissiontechnique;Wiringducts
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:Acoustics-Measurementofsoundinsulationinbuildingsandofbuildingelements-Part18:Laboratorymeasurementofsoundgeneratedbyrainfallonbuildingelements
【原文标准名称】:声学.建筑物内的和建筑部件的隔声测量.第18部分:建筑构件上降雨噪音的实验室测量
【标准号】:ISO140-18-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:声学工程;声学测量;声学性质和现象;声学试验;声学试验室;声学;空气载声隔绝;人工风化试验;建筑声学;建筑物;顶棚;封闭式试验室;部件;建筑;定义;测定;门;现场测量;实地试验;侧向传声;频率范围;冲击隔音;材料试验;数学计算;测量;测量频率;测量仪器;测量技术;噪声控制;灰泥板;降雨;混响时间;房屋;声音;吸声材料表面;声场;隔音;声级;声压级;隔声法;规范(验收);结构构件;结构体系;试验台;试验;墙
【英文主题词】:Acousticengineering;Acousticmeasurement;Acousticpropertiesandphenomena;Acoustictesting;Acoustictestingrooms;Acoustics;Airbornesoundinsulation;Artificialweatheringtests;Buildingacoustics;Buildings;Ceilings;Closedtestrooms;Components;Construction;Definitions;Determination;Doors;Fieldmeasurement;Fieldtesting;Flankingtransmission;Frequencyranges;Impactsoundinsulation;Materialstesting;Mathematicalcalculations;Measurement;Measuringfrequencies;Measuringinstruments;Measuringtechniques;Noisecontrol(acoustic);Plastercardboards;Rainfall;Reverberationtime;Rooms;Sound;Soundabsorbentsurface;Soundfields;Soundinsulation;Soundlevels;Soundpressurelevel;Soundproofing;Specification(approval);Structuralmembers;Structuralsystems;Testbenches;Testing;Walls
【摘要】:ThispartofISO140specifiesalaboratorymethodofmeasurementoftheimpactsoundinsulationofroofs,roof/ceilingsystemsandskylightsexcitedbyartificialrainfall.Theresultsobtainedcanbeusedforassessingthenoisetobeproducedbyrainfallonagivenbuildingelementintheroomorspacebelow.Theresultscanalsobeusedtocomparerainfallsoundinsulationcapabilitiesofbuildingelementsandtodesignbuildingelementswithappropriaterainfallsoundinsulationproperties.ThispartofISO140isbasedonmeasurementswithartificialraindropsundercontrolledconditionsusingawatertankinalaboratorytestfacilityinwhichflankingsoundtransmissionissuppressed.Measurementsusingrealrain,althoughausefulmeansforvalidationpurposes,arenotincludedbecauseofthevariable,unpredictableandintermittentnatureofrealrain.Othermechanicalsimulationmethodsunderinvestigationbyresearchersarenotsufficientlywelldevelopedatpresenttoadequatelysimulaterealrainbothintermsofsoundlevelsandspectragenerated.
【中国标准分类号】:P31;A42
【国际标准分类号】:91_120_20
【页数】:16P;A4
【正文语种】:英语