Browse Standards
1496+ standards in database
1496 result(s) found
过渡、脉冲和相关波形 术语、定义和算法
Transitions, pulses and related waveforms—Terms, definitions and algorithms
声学 次声测量的频率计权特性
Acoustics—Frequency-weighting characteristic for infrasound measurements
声学 流阻测定 第1部分:静态气流法
Acoustics—Determination of airflow resistance—Part 1:Static airflow method
昼光模拟器的评价方法
Method for assessing the quality of daylight simulators
光学陀螺测角仪
Optical gyroscope angle measuring instruments
阻尼材料 阻尼性能测试方法
Damping materials—Testing method for damping properties
声学 流阻测定 第2部分:交变气流法
Acoustics—Determination of airflow resistance—Part 2:Alternating airflow method
色度学 第2部分:CIE标准照明体
Colorimetry—Part 2: CIE standard illuminants
光度学 CIE物理光度系统
Photometry—The CIE system of physical photometry
光学和光子学 光学薄膜 第4部分:摩擦、附着力和耐水性的试验方法
Optics and photonics—Optical coatings—Part 4: Test methods of abrasion,adhesion and resistance to water
声学 轨道车辆内部噪声测量
Acoustics—Noise measurement inside railbound vehicles
电声学 声校准器
Electroacoustics—Sound calibrators
光学和光子学 光学元件 复杂曲面光学元件几何参数测试方法
Optics and photonics—Optical components—Test method of geometric parameters for complex curved surface
色度学 第6部分:CIEDE2000色差公式
Colorimetry—Part 6: CIEDE2000 colour-difference formula
色度学 第1部分:CIE标准色度观察者
Colorimetry—Part 1: CIE standard colorimetric observers
海洋船舶噪声级规定
Regulation on noise levels on board sea-going ships
电测量指示和记录仪表及其附件的安全要求
Safety requirements for indicating and recording electrical measuring instruments and their accessories
动力用空气压缩机和隔膜压缩机噪声声功率级限值
Limits of sound power level for noise emitted by air compressors (for power source use) and diaphragmcompressors
机场周围飞机噪声环境标准
Standard of aircraft noise for environment around airport
铁路边界噪声限值及其测量方法
Emission standards and measurement methods of railway noise on the boundary alongside railway line