【英文标准名称】:Machinetools-Connectingdimensionsofspindlenosesandworkholdingchucks-Conicalconnection
【原文标准名称】:机床.主轴端头与工作夹持头的连接尺寸规格.锥形连接
【标准号】:BSISO702-1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-08-31
【实施或试行日期】:2009-08-31
【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】:中心锥;夹盘;锥形筒子;切削作业;切削工具;尺寸规格;夹具;法兰;车床卡盘凸缘;互换性;车床卡盘;车床;机床台;机床部件;机床;机械;切削机床;安装尺寸规格;安装孔;螺钉;形状;轴头;主轴;锥形座;公差(测量);工具;井
【英文主题词】:Centretapers;Chucks;Cones;Cuttingpractice;Cuttingtools;Dimensions;Fixtures;Flanges;Flangesforlathechucks;Interchangeability;Lathechucks;Lathes;Machinetables;Machinetoolcomponents;Machinetools;Machines;Machinesworkingbystockremoval;Mountingdimensions;Mountingholes;Screws(bolts);Shape;Spindlenoses;Spindles;Taperseats;Tolerances(measurement);Tools;Wells
【摘要】:
【中国标准分类号】:J52
【国际标准分类号】:
【页数】:16P;A4
【正文语种】:英语


【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