However, ultrasound does not show obvious effect on the reactions, which maybe attribute to the fast hydrolysis reactions of products.
超声波的作用不明显，可能与松香酯在超声波体系易水解有关。
The very short wave lengths of ultrasound make a great difference in what ordinary sound waves can do.
超声波的波长极短，其功能与普通声波相比大不相同。
Ultrasonic Properties and the Applications in Medical Diagnosis;
超声波的特性及在医学诊断中的应用
Development of an Instrument in Partial Discharge Detector Based on Ultrasonic
基于超声波的局部放电检测仪的研制
Ultrasonic Density Meter Design Based on Ultrasonic Echo Attenuation Theory
基于超声波回波衰减理论的超声波浓度计设计
Design for Frequency-modulated Ultrasonic Generator in Ultrasonic Bonding Field
超声键合变频式超声波发生器的设计
An Ultrasonic Intruder Detection Method Based on Echo Envelope
基于回波包络的超声波入侵探测方法
Voltage Closed-Loop Control of 2-Phase Traveling Wave Ultrasonic Motor
二相行波超声波电机的电压闭环控制
Ultrasonic Motor's Characteristics in Vacuum
真空环境下行波型超声波电机的特性
Com parison of the Traveling-wave Ultrasonic Motor with the Ultrasonic Motor Using Longitudinal and Torsional Vibration Model
行波型超声电机与纵扭型超声电机的比较
Sounds are classified into two kinds: sonic and ultrasonic.
声波分为两类，即普通声波与超声波。
The Identifaction of Defects wave and Non-defects wave in Forging’s Ultrasonic Testing
锻件超声波探伤中缺陷波和伪缺陷波的识别
It is concluded that ultrasonic image can be obtained by using medical converter to convert ultrasonic wave into ultrasonic image.
超声图像是可以通过示波器来实现的,利用医用换能器和示波器可以将超声波转换成超声图像。
noiseless ultrasonic washer
无噪声超声波清洗器
ultrasonic generator
超声波振荡器超声波发生器
The Study of Transmit Time Method Ultrasonic Flowmeter Based on DSP;
基于DSP的时差法超声波流量计的研究
Research of an Ultrasonic Flowmeter Based on SOPC;
基于SOPC的超声波流量计的研制
The Study of Digital Ultrasonic Power Supply Based on DSP;
基于DSP的全数字化超声波电源的研究