Browse Standards
1496+ standards in database
1496 result(s) found
振动与冲击传感器的校准方法 瞬变温度灵敏度测试法
Methods for calibration of vibration and shock pick-ups--Testing of transient temperature sensitivity
声学 语言清晰度指数的计算方法
Acoustics--Methods for the calculation of the articulation index of speech
声学 轰声物理特性的描述和测量
Acoustics--Description and measurement of physical properties of sonic booms
声学 高频水听器校准
Acoustics--Calibration of high frequency hydrophone
表面粗糙度 参数及其数值
Surface rouglness--Parameters and their values
发射频率的测量方法
Methods of measurement for transmitting frequency
声学 语言清晰度测试方法
Acoustics--Speech articulation testing method
电阻比电桥
Wheatstone bridge for unbonded elastic wire resistance meter
差动电阻式孔隙压力计
Unbonded elastic wire resistance type pore pressure cell
无功电度表
Reactive energy meters
振动与冲击传感器的校准方法 横向冲击灵敏度测试
Methods for the calibration of vibration and shock pick-ups--Testing of transverse shock sensitivity
声校准器
Sound calibrators
标准照明体及照明观测条件
Standard illuminants and illuminating--viewing conditions
工作直接日射表的校准方法
Calibration of field pyrheliometers
环境地表γ辐射剂量率测定规范
Norm for the measurement of environmentalterres-trial gamma-radiation dose rate
声学 确定和检验机器设备规定的噪声辐射值的统计学方法 第四部分:成批机器标牌值的确定和检验方法
Acoustics--Statistical methods for determining and verifying stated noise emission values of machinery and equipment--Part 4:Methods for stated values for batches of machines
声学 确定和检验机器设备规定的噪声辐射值的统计学方法 第三部分:成批机器标牌值的确定和检验简易(过渡)法
Acoustics--Statistical methods for determining and verifying stated noise emission values of machinery and equipment--Part 3:Simple (transition) method for determining and verifying labelled values for batches of machines
声学 确定和检验机器设备规定的噪声辐射值的统计学方法 第二部分:单台机器标牌值的确定和检验方法
Acoustics--Statistical methods for determining and verifying stated noise emission values of machinery and equipment--Part 2:Methods for stated values for individual machines
声学 确定和检验机器设备规定的噪声辐射值的统计学方法 第一部分:概述与定义
Acoustics--Statistical methods for determining and verifying stated noise emission values of machinery and equipment--Part 1:General considerations and definitions
变化量的符号和单位
Symbols and units of variant quantities