1) ultrasonic frequency
超声频
2) ultrasonic frequency
超声频率
1.
Effect of ultrasonic frequency on structure of carbon nanotubes and catalytic activity of PtRu/CNTs catalysts for methonal electro-oxidation;
超声频率对碳纳米管结构及其负载PtRu催化剂催化活性的影响
2.
The effect of ultrasonic frequency on the morphology and phase composition of coating was investigated by SEM,EDAX,FTIR and XRD.
采用声电沉积工艺在炭/炭复合材料表面制备了磷灰石生物活性涂层,借助SEM,EDAX,XRD,FTIR等分析测试手段,考察了超声频率对涂层组成、结构和形貌的影响。
3.
The effect of ultrasonic frequency on the structure, surface texture, and surface groups of activated carbon (AC) was investigated by field-emission scanning electron microscopy, N_2 adsorption, and temperature-programmed desorption.
以不同超声频率处理后的活性炭为载体,以钡和钾为助剂制备了一系列钌基氨合成催化剂,并考察了其性能。
3) ultrasonic spectrum
超声频谱
1.
The research proves that ultrasonic spectrum technology w ill promote the reliability of testing results.
利用超声频谱分析法成功地实现了缺陷的分类 ,试验结果表明 ,超声频谱分析技术可提高检测结果的可靠
4) superaudible
超声频的
5) ultrasonic
超声频谱法
6) ultrasonic vibration
超声频振动
1.
Basic tests of ECM combined ultrasonic vibration micro-machining were carried out.
进行了电解复合超声频振动加工微结构的基础试验,分析了微电流电解过程钝化现象,研究了超声频振动冲击波及负压空化作用消除电解钝化作用机理。
参考词条
补充资料：超声频移诊断
超声频移诊断
ultrasonic doppler diagnosis
亦称“D型超声诊断法”。是应用多普勒效应超声探测血液流动和脏器活动的方法。此法可获得因回声频率变化(即多普勒效应)的信号音图、曲线图及多普勒图像。可对血流听诊、测速，获得横断面、纵剖面及侧面投影图。超声心动图可确切显示心脏某一指定部位血流速、向性数据。其最大优点为无损伤、操作简便、迅速、便于重复应用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。