GB/T 7966-2022
声学 超声功率测量 辐射力天平法及其要求
Acoustics—Ultrasonic power measurement—Radiation force balances and the requirements
- 实施日期
- 2022-10-01
- ICS 分类
- 17.140
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 265 条
GB/T 7966-2022
Acoustics—Ultrasonic power measurement—Radiation force balances and the requirements
GB/T 3222.2-2022
Acoustics—Description, measurement and assessment of environmental noise—Part 2: Determination of sound pressure levels
GB/T 4854.3-2022
Acoustics—Reference zero for the calibration of audiometric equipment—Part 3:Reference equivalent threshold vibratory force levels for pure tones and bone vibrators
GB/T 17248.1-2022
Acoustics—Noise emitted by machinery and equipment—Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions
GB/T 41311.1-2022
Acoustics—Quantities and procedures for description and measurement of underwater sound from ships—Part 1: Requirements for precision measurements in deep water used for comparison purposes
GB/T 3222.1-2022
Acoustics—Description, measurement and assessment of environmental noise—Part 1: Basic quantities and assessment procedures
GB/T 41283.1-2022
Acoustics—Soundscape—Part 1: Definition and conceptual framework
GB/T 19889.2-2022
Acoustics—Measurement of sound insulation in buildings and of building elements—Part 2 : Determination and application of measurement uncertainties
GB/Z 40842-2021
General technical requirenments for electrolarynx
GB/T 4214.15-2021
Test method for noise of household and similar electrical appliances—Particular requirements for electric thermal storage room heaters
GB/T 4214.12-2021
Test method for noise of household and similar electrical appliances—Particular requirements for fan heaters
GB 9706.237-2020
Medical electrical equipment—Part 2-37: Particular requirements for the basic safety and essential performance of ultrasonic medical diagnostic and monitoring equipment
GB/T 4595-2020
Measurement of noise on board vessels
GB/Z 38251-2019
Acoustics—Calculation of sound attenuation during propagation for electrical converter station—Engineering method
GB/T 37242-2018
Robot noise test method
GB/T 17248.5-2018
Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections
GB/T 17248.3-2018
Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections
GB/T 17248.2-2018
Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
GB/T 17213.14-2018
Industrial-process control valves—Part 8-2: Noise considerations—Laboratory measurement of noise generated by hydrodynamic flow through control valves
GB/T 7341.5-2018
Electroacoustics—Audiometric equipment—Part 5: Instruments for the measurement of aural acoustic impedance/admittance