QJ 1164-1987 深度、高度、长度极限量规技术条件
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来源:标准资料网
基本信息
标准名称: | 深度、高度、长度极限量规技术条件 |
中标分类: |
航空、航天 >>
航空器与航天器制造用设备 >>
量具 |
ICS分类: |
机械制造 >>
机床装置 >>
分度和刀具/工件夹持装置
|
发布日期: | 1987-03-31 |
实施日期: | 1987-12-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 航空 航天 航空器与航天器制造用设备 量具 机械制造 机床装置 分度和刀具/工件夹持装置
【英文标准名称】:Buildingacoustics-Estimationofacousticperformanceinbuildingsfromtheperformanceofelements-Airbornesoundinsultationagainstoutdoorsound
【原文标准名称】:建筑物声学.构件性能对建筑物声学性能影响的评价.对室外气载声音的隔绝
【标准号】:BSEN12354-3-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-07-15
【实施或试行日期】:2000-07-15
【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】:建筑物;建筑系统构件;空气隔声;空气声隔绝;声学;空气噪声;声学测量;声强;声学性质和声学现象;施工材料;空气声隔绝(隔声);家用设施;正面
【英文主题词】:Acousticpropertiesandphenomena;Acoustics;Airbornenoise;Airbornesound;Airbornesoundinsulation;Bandoffrequencies;Buildingacoustics;Buildings;Calculatingmethods;Claddingpanels;Construction;Domesticfacilities;Extraneousnoise;Facades;Facadesconstruction;Flankingtransmission;Forecasting;Mathematicalcalculations;Measurement;Methods;Noisereduction;Precalculation;Soundinsulation;Soundintensity;Soundlevels;Soundpropagation;Soundreductionindex;Structure-bornenoise
【摘要】:ThisEuropeanStandardspecifiesacalculationmodeltoestimatethesoundinsulationorthesoundpressureleveldifferenceofafacadeorotherexternalsurfaceofabuilding.Thecalculationisbasedonthesoundreductionindexofthedifferentelementsfromwhichthefacadeisconstructedanditincludesdirectandflankingtransmission.ThecalculationgivesresultswhichcorrespondapproximatelytotheresultsfromfieldmeasurementsaccordingtoENISO140-5.Calculationscanbecarriedoutforfrequencybandsorforsinglenumberratings.Thecalculationresultscanbeusedalsoforcalculatingtheindoorsoundpressureleveldueto,forinstance,roadtraffic;thisuseistreatedintheinformativeannexD.Thisdocumentdescribestheprinciplesofthecalculationmodel,liststherelevantquantitiesanddefinesitsapplicationsandrestrictions.Itisintendedforacousticalexpertsandprovidestheframeworkforthedevelopmentofapplicationdocumentsandtoolsforotherusersinthefieldofbuildingconstruction,takingintoaccountlocalcircumstances.Themodelisbasedonexperiencewithpredictionsfordwellings;itcanalsobeusedforothertypesofbuildingsprovidedthedimensionsofconstructionsarenottoodifferentfromthoseindwellings.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:34P.;A4
【正文语种】:英语
MIL-C-39029D, MILITARY SPECIFICATION: CONTACTS, ELECTRICAL CONNECTOR, GENERAL SPECIFICATION FOR (2 MAY 1988) [S/S BY SAE-AS39029]., This specification covers the general requirements for removable crimp, solderless wrap, and solder type electrical contacts for use in connectors and other electric and electronic components.