Browse Standards
1579+ standards in database
1579 result(s) found
机械振动与冲击 黏弹性材料动态力学性能的表征 第6部分:时温叠加
Mechanical vibration and shock—Characterization of the dynamic mechanical properties of visco-elastic materials—Part 6: Time-temperature superposition
声学 开放式办公空间的声学质量
Acoustics—Acoustic quality of open office spaces
声学 声压法测定噪声源声功率级 混响场中的小型可移动声源工程法 第2部分:专用混响测试室法
Acoustics—Determination of sound power levels of noise sources using sound pressure—Engineering methods for small, movable sources in reverberant fields—Part 2: Methods for special reverberation test rooms
核仪器和核辐射探测器质量检验规则
Quality inspection rule for nuclear instrumentation and radiation detectors
机械振动 道路路面谱 测量数据的报告
Mechanical vibration—Road surface profiIes—Reporting of measured data
声学 水听器校准 第1部分:自由场校准方法
Acoustics—Calibration of hydrophones—Part 1:Procedures for free-field calibration
声学 用于声功率级测定的标准声源的性能与校准要求
Acoustics—Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
测量、控制和实验室用的电设备 电磁兼容性要求 第22部分:特殊要求 低压配电系统用便携式试验、测量和监控设备的试验配置、工作条件和性能判据
Electrical equipment for measurement, control and laboratory use—EMC requirements—Part 22: Particular requirements—Test configurations, operational conditions and performance criteria for portable testing, measuring and monitoring equipment used in low-voltage distribution systems
声学 助听器真耳声性能特性测量
Acoustics—Measurement of real-ear acoustical performance characteristics of hearing aids
差动变压器式位移传感器
Differential transformer displacement transducer
机械振动与冲击 黏弹性材料动态力学性能的表征 第4部分:动刚度法
Mechanical vibration and shock—Characterization of the dynamic mechanical properties of visco-elastic materials—Part 4: Dynamic stiffness method
机械振动与冲击 黏弹性材料动态力学性能的表征 第5部分:基于测量和有限元分析比较的泊松比
Mechanical vibration and shock—Characterization of the dynamic mechanical properties of visco-elastic materials—Part 5: Poisson ratio based on comparison between measurements and finite element analysis
测量、控制和实验室用的电设备 电磁兼容性要求 第21部分:特殊要求 无电磁兼容防护场合用敏感性试验和测量设备的试验配置、工作条件和性能判据
Electrical equipment for measurement, control and laboratory use—EMC requirements—Part 21: Particular requirements—Test configurations, operational conditions and performance criteria for sensitive test and measurement equipment for EMC unprotected applications
电气绝缘材料 耐热性 第3部分:计算耐热特征参数的规程
Electrical insulating materials—Thermal endurance properties—Part 3: Instructions for calculating thermal endurance characteristics
直流电能测量设备 第2部分:间接接入静止式电能表(0.2级、0.5级和1级)
Electricity metering equipment(DC)—Part 2: Indirect-connected static meters (classes 0.2, 0.5 and 1)
交流电量和直流电量转换为模拟信号或数字信号的电测量变送器
Electrical measuring transducers for converting AC and DC electrical quantities to analogue or digital signals
电能质量监测设备通用要求
General requirements for monitoring equipment of power quality
电气绝缘材料 耐热性 第8部分:用固定时限法确定绝缘材料的耐热指数(TI和RTI)
Electrical insulating materials—Thermal endurance properties—Part 8: Determination of thermal endurance indices (TI and RTI) of an insulating material using the fixed time frame method
半导体设备可靠性、可用性和维修性(RAM)测量方法
Test method for semiconductor equipment reliability, availability and maintainability(RAM)
直流电能测量设备 第1部分:通用要求
Electricity metering equipment(DC)—Part 1: General requirements