Browse Standards

标准照明体及照明观测条件

Standard illuminants and illuminating--viewing conditions

声校准器

Sound calibrators

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

无功电度表

Reactive energy meters

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

声学 语言清晰度测试方法

Acoustics--Speech articulation testing method

发射频率的测量方法

Methods of measurement for transmitting frequency

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

振动与冲击传感器的校准方法 温度响应比较测试法

Methods for calibrationof vibration and shock pick-ups--Testing of temperature response by comparison

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

NIM标准仪器系统

NIM standard instrumentation system

低、中水平放射性废物近地表处置场环境辐射监测的一般要求

General requirements for environmental radiation monitoring around near surface disposal site of low-intermediate level radioactive solid waste

颜料分类、命名和型号

Classification，nomenclature and type for pigments

水听器相位一致性测量方法

Measurement method of hydrophone phase consis-tency

振动与冲击传感器的校准方法 声灵敏度测试

Methods for the calibration of vibration and shock pick-ups--Testing of acoustic sensitivity

声学 声学材料阻尼性能的弯曲共振测试方法

Acoustics--Flexural resonancetesting method for damping properties of acoustical materials

声学 管道消声器无气流状态下插入损失测量 实验室简易法

Acoustics--Measurement of insertion loss of ducted silencers without flow--Laboratory survey method