【英文标准名称】:Acoustics.Ratingofsoundinsulationinbuildingsandofbuildingelements.Airbornesoundinsulation
【原文标准名称】:声学.建筑物和建筑物构件内的隔音测定.空中隔音
【标准号】:BSENISO717-1-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【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】:声学测量;声学;空气噪声;空气声隔绝(隔声);建筑声学;建筑物;组件;建筑;建筑系统构件;定义(术语);数字;误差修正;频率;图解法;材料测试;数学计算;测量;噪声控制(声学的);噪声(环境的);性能;评定;数值修约;隔音;声强;波谱;公差(测量)
【英文主题词】:Acousticmeasurement;Acoustics;Airbornenoise;Airbornesoundinsulation;Buildingacoustics;Buildings;Components;Construction;Constructionsystemsparts;Definitions;Digits;Errorcorrection;Frequencies;Graphicalmethods;Materialstesting;Mathematicalcalculations;Measurement;Noisecontrol(acoustic);Noise(environmental);Performance;Ratings;Rounding(numbers);Soundinsulation;Soundintensity;Spectra;Tolerances(measurement)
【摘要】:ThispartofISO717a)definessingle-numberquantitiesforairbornesoundinsulationinbuildingsandofbuildingel-ementssuchaswalls,floors,doorsandwindows;b)takesintoconsiderationthedifferentsoundlevelspectraofvariousnoisesourcessuchasnoisesourcesinsideabuildingandtrafficoutsideabuilding;andc)givesrulesfordeterminingthesequantitiesfromtheresultsofmeasurementscarriedoutinone-third-octaveoroctavebandsinaccordancewithISO140-3,ISO140-4,ISO140-5,ISO140-9andISO140-10.Thesingle-numberquantitiesinaccordancewiththispartofISO717areintendedforratingtheairbornesoundinsulationandforsimplifyingtheformulationofacousticalrequirementsinbuildingcodes.There-quirednumericalvaluesofthesingle-numberquan-titiesarespecifiedaccordingtovaryingneeds.Thesingle-numberquantitiesarebasedonresultsofmeasurementsinone-third-octavebandsoroctavebands.ForlaboratorymeasurementsmadeinaccordancewithISO140-3,ISO140-9andISO140-10,single-numberquantitiesshouldbecalculatedusingone-third-octavebandsonly.TheratingofresultsofmeasurementscarriedoutoveranenlargedfrequencyrangeisdealtwithinannexB.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:26P.;A4
【正文语种】:英语


【英文标准名称】:Geartoothmicrometercallipers
【原文标准名称】:齿厚千分尺
【标准号】:JISB7530-1980
【标准状态】:作废
【国别】:日本
【发布日期】:1980-02-01
【实施或试行日期】:1980-02-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:PrecisionMachinery
【标准类型】:()
【标准水平】:()
【中文主题词】:千分尺;齿轮参数
【英文主题词】:gearparameters;micrometers
【摘要】:
【中国标准分类号】:J42
【国际标准分类号】:17_040_30
【页数】:8P;A4
【正文语种】:日语