Non-destructive testing - Image quality of radiographs - Part 3: Image quality classes for ferrous metals
中国标准分类号: H(冶金) ; H26(金属无损检验方法) | 发布日期:2004-07-01 实施日期:2004-07-01
Acoustics Loudness scaling by means of categories (First Edition)
中国标准分类号: A(综合) ; A59(声学计量) | 发布日期:2006-08-01 实施日期:2006-08-01
Road Vehicles - Test Dust for Filter Evaluation - Part 2: Aluminium Oxide Test Dust (First Edition)
中国标准分类号: T(车辆) ; T13(进排气与燃油供给系统) | 发布日期:1997-12-01 实施日期:1997-12-01
Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 3: Enveloping surface methods (First Edition)
中国标准分类号: J(机械) ; J72(压缩机、风机) | 发布日期:2004-08-01 实施日期:2004-08-01
Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 4: Sound intensity method TECHNICAL CORRIGENDUM 1 (First Edition)
中国标准分类号: J72(压缩机、风机) ; Z32(噪声、振动测试方法) | 实施日期:2006-10-15
Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
中国标准分类号: A42(物理学与力学) ; A59(声学计量) | 发布日期:2005-11-01 实施日期:2005-11-01
Liquid pumps and pump units - Noise test code - Grades 2 and 3 of accuracy
中国标准分类号: J71(泵) ; Z32(噪声、振动测试方法) | 发布日期:2007-02-01 实施日期:2007-02-01
Acoustics -- Measurement of noise on board vessels
中国标准分类号: Z(环境保护) ; Z32(噪声、振动测试方法) | 发布日期:1996-12-01 实施日期:1996-12-01
Resistance welding equipment - Transformers - General specifications applicable to all transformers (Third Edition)
中国标准分类号: J(机械) ; J64(焊接与切割设备) | 发布日期:2014-02-15 实施日期:2014-02-01
Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
中国标准分类号: C(医药、卫生、劳动保护) ; C71(工业物理因素危害控制) | 发布日期:1994-08-01 实施日期:1994-08-01
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2: Methods for special reverberation ...
中国标准分类号: Z(环境保护) ; Z32(噪声、振动测试方法) | 发布日期:1994-11-01 实施日期:1994-11-01
Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Intensity - Part 1: Measurement at Discrete Points (First Edition)
中国标准分类号: A(综合) ; A42(物理学与力学) | 发布日期:1993-06-01 实施日期:1993-06-01
Fine ceramics (advanced ceramics, advanced technical ceramics) - Vocabulary
中国标准分类号: Q(建材) ; Q32(特种陶瓷) | 实施日期:2003-12-01
Acoustics - Declaration and Verification of Noise Emission Values of Machinery and Equipment (Second Edition)
中国标准分类号: Z(环境保护) ; Z32(噪声、振动测试方法) | 发布日期:1996-12-01 实施日期:1996-12-01
Assembly tools for screws and nuts - Square drive adaptor with hexagon or cylindrical flat drive, for power socket wrenches
中国标准分类号: J(机械) ; J47(手工工具) | 发布日期:2009-07-01 实施日期:2009-07-01
Acoustics - Measurements of sound pressure level emitted by stationary road vehicles (Second Edition)
中国标准分类号: Z(环境保护) ; Z32(噪声、振动测试方法) | 发布日期:2007-06-01 实施日期:2007-06-01
Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 1: General overview (First Edition)
中国标准分类号: J(机械) ; J72(压缩机、风机) | 发布日期:2004-08-01 实施日期:2004-08-01
Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
中国标准分类号: A(综合) ; A59(声学计量) | 发布日期:2006-11-01 实施日期:2006-11-01
Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure -- Precision methods for anechoic rooms and hemi-anechoic rooms
中国标准分类号: Z(环境保护) ; Z32(噪声、振动测试方法) | 发布日期:2012-03-01 实施日期:2012-03-01
Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for air-purification performance of semiconducting photocatalytic materials - Part 1: Removal of nitric oxide
中国标准分类号: Q(建材) ; Q32(特种陶瓷) | 实施日期:2007-09-01
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