Browse Standards
1496+ standards in database
1496 result(s) found
形状和位置公差 未注公差值
Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
微波炉在1 GHz以上的辐射干扰测量方法
Methods of measurement of radiated interference from microwave ovens for frequencies above 1GHz
光学表面激光损伤阈值测试方法 第1部分:1对1测试
Test methods for laser induced damage threshold of optical surfaces--Part 1: 1 on 1 test
声学名词术语
Acoustical terminology
声学 振速法测定噪声源声功率级 用于封闭机器的测量
Acoustics--Determination of sound power levels of noise sources using vibration velocity--Measurement for seal machinery
辐射加工剂量测量不确定度评估导则
Standard guide for estimating uncertainties in dosimetry for radiation processing
光学和光学仪器 环境要求 总则、定义、气候带及其参数
Optics and optical instruments -- Environmental requirements--General information, definitions,climatic zones and their parameters
游标类卡尺 通用技术条件
The specification for callipers of vernier type
声学 插入式耳机纯音基准等效阈声压级
Acoustics--Reference equivalent threshold sound pressure levels for pure tones and insert earphones
声学 声压法测定噪声源声功率级 反射面上方采用包络测量表面的简易法
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane
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
声学 声强法测定噪声源的声功率级 第1部分:离散点上的测量
Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 1:Measurement at discrete points
声学 测听方法 纯音气导和骨导听阈基本测听法
Acoustics--Audiometric test methods--Basic pure tone air and bone conduction threshold audiometry
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
水听器相位一致性测量方法
Measurement method of hydrophone phase consis-tency
颜料分类、命名和型号
Classification,nomenclature and type for pigments
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
NIM标准仪器系统
NIM standard instrumentation system
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