Akustik. Audiometer. Kurzzeit-H?rprüfsignale Electroacoustics. Audiometric equipment. Part 3:Test signals of short duration ?lectroacoustique. ?quipements audiométriques. Signaux d'essai de courte duré...
适用范围:This part of IEC 60645 specifies a means of describing the physical characteristics ofaudiometric reference and test signals of short duration and methods for their measurement.The object of this stand...
实施日期:2007-08-31
Electroacoustics - Sound level meters - Part 3: Periodic tests (IEC 61672-3:2006)
实施日期:2007-05-01
Earth-moving machinery -- Determination of emission sound pressure level at operator''s position -- Stationary test conditions
适用范围:ISO 6394:2008 specifies a method for determining the emission sound pressure level of earth-moving machinery at the operator''s position, measured in terms of the time-averaged A-weighted emission soun...
发布日期:2008-03-01 实施日期:2008-03-01
Acoustics -- Measurements of sound pressure level emitted by stationary road vehicles
适用范围:ISO 5130:2007 specifies a test procedure, environment and instrumentation for measuring the exterior sound pressure levels from road vehicles under stationary condition, providing a continuous measure ...
发布日期:2007-06-01 实施日期:2007-06-01
Earth-moving machinery -- Determination of sound power level -- Dynamic test conditions
适用范围:ISO 6395:2008 specifies a method for determining the noise emitted to the environment by earth-moving machinery, measured in terms of the A-weighted sound power level while the machine is operating und...
发布日期:2008-03-01 实施日期:2008-03-01
Measurement of noise emitted by accelerating road vehicles -- Engineering method -- Part 1: M and N categories
适用范围:ISO 362-1:2007 specifies an engineering method for measuring the noise emitted by road vehicles of categories M and N under typical urban traffic conditions. It excludes vehicles of category L1 and L2,...
发布日期:2007-07-01 实施日期:2007-07-01
Acoustics -- Hearing protectors -- Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
适用范围:ISO 4869-3:2007 specifies a method for measuring the insertion loss of ear-muff type hearing protectors using an acoustic test fixture. The method is applicable to the investigation of production sprea...
发布日期:2007-07-01 实施日期:2007-07-01
Standard Practice for Acoustic Emission Monitoring of Structures During Controlled Stimulation
适用范围:<p>1.1 This practice provides guidelines for acoustic emission (AE) examination or monitoring of structures, such as pressure vessels, piping systems, or other structures that can be stressed by mechan...
实施日期:2007-07-01
Earth-moving machinery -- Determination of sound power level -- Stationary test conditions
适用范围:ISO 6393:2008 specifies a method for determining the noise emitted to the environment by earth?moving machinery, measured in terms of the A-weighted sound power level while the machine is stationary wi...
发布日期:2008-03-01 实施日期:2008-03-01
Standard Practice for Leak Detection and Location Using Surface-Mounted Acoustic Emission Sensors
适用范围:<p id="s00013">Leakage of gas or liquid from a pressurized system, whether through a crack, orifice, seal break, or other opening, may involve turbulent or cavitational flow, which generates acoustic e...
实施日期:2007-07-01
实施日期:2008-01-01
Acoustics -- Measurement of sound insulation in buildings and of building elements using sound intensity -- Part 1: Laboratory measurements
发布日期:2000-03-01 实施日期:2000-03-01
请选择需要导出的字段:
请选择需要导出的字段:
知识产权声明 | 服务承诺 | 联系我们 | 客户服务 | 关于我们
网络出版服务许可证:(署)网出证(京)字第072号 互联网药品信息服务资格证书号:(京)-经营性-2016-0015 信息网络传播视听节目许可证 许可证号:0108284
万方数据标准管理系统V2.0 证书号:软著登字第11198474号
京ICP证:010071 京公网安备11010802020237号 京ICP备08100800号-1
客服电话:4000115888 客服邮箱:service@wanfangdata.com.cn 违法和不良信息举报电话:4000115888 举报邮箱:problem@wanfangdata.com.cn 举报专区:https://www.12377.cn
万方数据知识服务平台--国家科技支撑计划资助项目(编号:2006BAH03B01)©北京万方数据股份有限公司 万方数据电子出版社