Browse Standards

机械振动与冲击 人体暴露于全身振动的评价 第5部分：包含多次冲击的振动的评价方法

Mechanical vibration and shock—Evaluation of human exposure to whole-body vibration—Part 5: Method for evaluation of vibration containing multiple shocks

机械振动 在旋转轴上测量评价机器的振动 第4部分：具有滑动轴承的燃气轮机组

Mechanical vibration—Evaluation of machine vibration by measurements on rotating shafts—Part 4: Gas turbine sets with fluid-film bearings

声学 压电球面聚焦超声换能器的电声特性及其测量

Acoustics—Electroacoustic characteristics and measurements of spherically focusing ultrasonic transducers

声学 声压法测定噪声源声功率级和声能量级 消声室和半消声室精密法

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

声学 声压法测定噪声源声功率级和声能量级 反射面上方近似自由场的工程法

Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for an essentially free field over a reflecting plane

声学 声压法测定电力电容器单元的声功率级和指向特性 第2部分：反射面上方近似自由场的工程法

Acoustics—Determination of sound power level and directivity character of power capacitor using sound pressure—Part 2: Engineering methods for an essentially free field over a reflecting plane

声学 声压法测定电力电容器单元的声功率级和指向特性 第1部分：半消声室精密法

Acoustics—Determination of sound power level and directivity character of power capacitor unit using sound pressure—Part 1: Precision method for hemi-anechoic rooms

声学 水声材料样品声压反射系数、声压透射系数和吸声系数的测量 行波管法

Acoustics—Measurement of sound pressure reflection coefficient, sound pressure transmission coefficient and absorption coefficient for underwater acoustical material sample—Travelling wave tube method

声学 校准测听设备的基准零级 第9部分：确定基准听阈级的优选测试条件

Acoustics—Reference zero for the calibration of audiometric equipment—Part 9: Preferred test conditions for the determination of reference hearing threshold levels

声学 测听方法 第2部分：用纯音及窄带测试信号的声场测听

Acoustics—Audiometric test methods—Part 2: Sound-field audiometry with pure-tone and narrow-band test signals

方位垂直传递装置通用规范

General specification for the equipment of passing azimuth angle vertically

光电跟踪测量设备通用规范

General specification for photoelectric tracking and measuring equipment

胶体体系 zeta电位测量方法 第1部分：电声和电动现象

Colloidal systems—Methods for zeta potential determination—Part 1: Electroacoustic and electrokinetic phenomena

实验室仪器和设备安全规范 噪声测量仪器

Safety requirements for laboratory instruments and equipment—Noise measuring instruments

实验室仪器及设备安全规范 氧弹式热量计

Safety requirements for laboratory instruments and equipment—Oxygen bomb calorimeter

实验室仪器及设备安全规范 煤炭工业分析仪

Safety requirements for laboratory instruments and equipment—Industry analysis instrument

高压电能表通用技术要求

General specifications for high-voltage electrical energy meters

电能质量监测设备通用要求

General requirements for monitoring equipments of power quality

纳米技术 单壁碳纳米管的扫描电子显微术和能量色散X射线谱表征方法

Nanotechnologies—Characterization of single-wall carbon nanotubes using scanning electron microscopy and energy dispersive X-ray spectrometry analysis

电测量设备 可信性 第321部分：耐久性-高温下的计量特性稳定性试验

Electricity metering equipment—Dependability—Part 321: Durability testing of the stability of metrological characteristics by applying elevated temperature