Browse Standards
1496+ standards in database
1496 result(s) found
电声学 测听设备 第1部分：纯音听力计
Electroacoustics - Audiological equipment - Part 1: Pure-tone audiometers
电声学 倍频程和分数倍频程滤波器
Electroacoustics - Octave-band and fractional-octave-band filters
电声学 人头模拟器和耳模拟器 第3部分：校准压耳式测听耳机用声耦合器
Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry
电声学 人头模拟器和耳模拟器 第1部分：校准压耳式耳机用耳模拟器
Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones
焊接、切割及类似工艺用管路减压器
Line regulator used in welding,cutting and allied processes
电声学 测量传声器 第1部分：实验室标准传声器规范
Electroacoustics - Measurement microphones - Part 1: Specifications for laboratory standard microphones
土方机械 司机位置发射声压级的测定 动态试验条件
Earth-moving machinery - Determination of emission sound pressure level at operator's position - Dynamic test conditions
土方机械 声功率级的测定 动态试验条件
Earth-moving machinery - Determination of sound power level - Dynamic test conditions
土方机械 声功率级的测定 定置试验条件
Earth-moving machinery - Determination of sound power level - Stationary test conditions
电声学 测量传声器 第3部分：采用互易技术对实验室标准传声器的自由场校准的原级方法
Electroacoustics - Measurement microphone - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
电声学 个人声暴露计规范
Electroacoustics - Specifications for personal sound exposure meters
电磁屏蔽涂料的屏蔽效能测量方法
Measuring methods for electromagnetic shielding effectiveness of coating
贵金属、廉金属热电偶丝热电动势 测量方法
Methods for measuring the thermoelectric force of noble metal and base matal thermocouple wires
电工和电子测量设备性能表示
Electrical and electronic measurement equipment - Expression of performance
电声学 绘制频率特性图和极坐标图的标度和尺寸
Electroacoustics - Scales and sizes for plotting frequency characteristics and polar diagrams
仪表元器件 术语
Instrument components - Vocabulary
振动与冲击传感器校准方法 第15部分：激光干涉法角振动绝对校准
Methods for the calibration of vibration and shock transducers - Part 15: Primary angular vibration calibration by laser interferometry
机械振动 评价车辆座椅振动的实验室方法 第2部分：应用于机车车辆
Mechanical vibration - Laboratory method for evaluating vehicle seat vibration - Part 2：Application to railway vehicle
机器状态监测与诊断 声发射
Condition monitoring and diagnostics of machines - Acoustic emission
机器状态监测与诊断 数据处理、通信与表示 第1部分：一般指南
Condition monitoring and diagnostics of machines - Data processing, communication and presentation - Part 1: General guidelines