|
超声学. 水听器. 第1部分: 40 MHz及以下医疗超声场的测量和特征
Ultrasonics - Hydrophones - Part 1: measurement and characterization of medical ultrasonic fields up to 40 MHz
参考页数：23P;A4
|
|
|
|
|
|
超声波.功率测量.辐射强度平衡和性能要求
Ultrasonics - Power measurement - Radiation force balances and performance requirements
参考页数：58P;A4
|
|
|
|
|
|
超声波学.水听器.第3部分:超音波场小于40 MHz的校准
Ultrasonics - Hydrophones - Part 2: calibration for ultrasonic fields up to 40 MHz
参考页数：30P;A4
|
|
|
|
|
|
测量传声器.第8部分:利用比较测定工作标准麦克风自由场敏感度的方法
Measurement microphones - Part 8: methods for determining the free-field sensitivity of working standard microphones by comparison
参考页数：35P;A4
|
|
|
|
|
|
电声学.声级计的自由场响应校正测定法
Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter
参考页数：45P;A4
|
|
|
|
|
|
电声学 测量传声器 第6部分:用于测定频率响应的静电激励器
Electroacoustics.Measurement microphones.Part 6: Electrostatic actuators for determination of frequency response
价格：￥0.00
|
|
|
|
|
|
电声学 助听器 第8部分:模拟实际工作条件下的助听器性能测量方法
Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions
价格：￥0.00
|
|
|
|
|
|
电声学 助听器 第6部分:助听器输入电路的特性
Electroacoustics.Hearing aids.Part 6: Characteristics of electrical input circuits for hearing aids
价格：￥0.00
|
|
|
|
|
|
电声学 人头模拟器和耳模拟器 第5部分:测量助听器和以插入方式与人耳耦合的耳机用2 cm<上标3>声耦合器
Electroacoustics.Simulators of human head and ear.Part 5:2 cm<上标3> coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts
价格：￥0.00
|
|
|
|
|
|
电声学 助听器 第7部分:助听器生产、供应和交货时质量保证的性能特性测量
Electroacoustics.Hearing aids.Part 7: Measurement of the performance scharacteristics of hearing aids for production, supply and delivery quality assurance purposes
价格：￥0.00
|
|
|
|
|
