【英文标准名称】:Gymnasticequipment;Horizontalbar
【原文标准名称】:体操器械单杠
【标准号】:ISO379-1980
【标准状态】:现行
【国别】:国际
【发布日期】:1980-10
【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/TC83
【标准类型】:()
【标准水平】:()
【中文主题词】:体育器材;试验;材料规范;规范;产品规范;体操器材;体操器材;单杠;尺寸
【英文主题词】:Dimensions;Gymnasticequipment;Gymnasticsequipment;Horizontalbars(gymnasticequipment);Materialsspecification;Productspecification;Specifications;Sportsequipment;Testing
【摘要】:Specifiesthefunctionalandsafetyrequirementsforhorizontalbarsforuseincompetitionandtraining,inordertopermitatruecomparisonofperformance.Laysdowndimensions,material,executionanddesign.
【中国标准分类号】:Y55
【国际标准分类号】:97_220_30
【页数】:2P.;A4
【正文语种】:英语


【英文标准名称】:Acoustics-DeterminationofSoundPowerLevelsandSoundEnergyLevelsofNoiseSourcesUsingSoundPressure-EngineeringMethodsforanEssentiallyFreeFieldOveraReflectingPlane
【原文标准名称】:声学.利用声压的噪声源声功率级和声能级的测定.反射面上方近似自由场的工程法
【标准号】:ANSI/ISO3744-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Calibration;Definitions;Determination;Earprotectors;Envelopingsurfacemethods;Environment;Ergonomics;Externalnoise;Fixings;Installations;Mathematicalcalculations;Measurement;Measurementduration;Measuringinstruments;Measuringsurfaces;Measuringtechniques;Methods;Methodsofcalculation;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Operation;Precision;Reflective;Rooms;Sound;Soundabsorption;Soundfields;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundsources;Specification(approval);Standarddeviation;Testequipment;Testing;Testingconditions
【摘要】:Specifiesmethodsfordeterminingsoundpowerlevelorsoundenergylevelofanoisesourcefromsoundpressurelevelsmeasuredonasurfaceenvelopinganoisesource(machineryorequipment)inanenvironmentthatapproximatestoanacousticfreefieldnear1ormorereflectingplanes.Soundpowerlevel(orinthecaseofnoiseburstsortransientnoiseemission,thesoundenergylevel)producedbythenoisesource,infrequencybandsorwithA-weighting,iscalculatedusingthosemeasurements.
【中国标准分类号】:
【国际标准分类号】:17_140_01
【页数】:
【正文语种】:英语