1)  Ultrasonic
超声
1.
Application of ultrasonic technique in the preparation of TiO_2 based photocatalysts;
超声在TiO_2基光催化剂制备过程中的应用
2.
The application of split-radix algorithm in pipeline corrosion ultrasonic inner inspection;
分裂基算法在管道腐蚀超声内检测中的应用
3.
Effect of ultrasonic on the properties of edible films based on soy protein isolate;
超声辐射对大豆分离蛋白膜性能的影响
2)  ultrasound
超声
1.
Progress in membrane separation enhanced by ultrasound;
超声波技术强化膜分离过程的研究进展
2.
Study on technology of ultrasound-microwave assisted generats levulinic acid by hydrolysis of cornstarch;
超声-微波协同水解玉米淀粉生成乙酰丙酸的工艺研究
3.
Investigation on extracting pumpkin polysaccharides from pumpkin by ultrasound;
超声提取南瓜多糖的研究
3)  ultrasonic wave
超声
1.
The Application of Ultrasonic Wave to Medicative Abortion;
超声在药物流产中的应用
2.
Optical fiber ultrasonic wave monitoring based on Mach-Zehnder interferometer;
基于M-Z干涉仪原理的光纤超声检测
3.
In this paper,the extraction of grape seed proanthocyanidin using ultrasonic wave was studied.
对葡萄籽中原花青素的超声提取工艺进行了研究,在单因素实验和正交实验的基础上,得出超声波法提取葡萄籽原花青素的最佳工艺条件为:在40℃下,以料液比为30:1的40%乙醇溶液,用120W的超声功率对葡萄籽作用10min。
4)  Ultrasonography
超声
1.
Present Situation and Progress in Diagnosis of Hepatic Fibrosis by Ultrasonography;
肝纤维化的超声诊断现状及进展
2.
Clinical significance of detection of retrobulbar blood circulation in diabetic patients by Ultrasonography;
超声检测糖尿病患者球后血液循环的临床价值
5)  sonography
超声
1.
Clinic analysis of 14 case embryo hydronephrosis by sonography.;
14例超声胎儿肾盂积水临床分析
2.
High Frequency Sonography of Peripheral Nerve Trauma in Upper Limbs;
高频超声在上肢外周神经损伤中的诊断价值
3.
Apply Color Doppler Sonography to Evaluate the Relationship between Noninsulin Dependent Diabetes Mellitus and Cerebral Infarction;
应用超声评价Ⅱ型糖尿病与脑梗死的关系
6)  supersonic /hypersonic
超声速/高超声速
参考词条
补充资料:超声


超声
UltrasofliCS

  是指超出人耳听力范围的高频声(频率超过20000Hz)。超声具有与一般声音共同的物理性质,还具有一些其他重要的物理特性,如能够成束发射,直线传导,方向性好。传导过程中遇有声阻抗不同的反射界面时产生反射、折射、聚焦和散焦等现象。用于临床诊断的超声频率一般为2~7.5MHz。频率越高,对组织结构的分辨力越强,但远场声能容易被组织吸收、衰减,不易穿透较深的层次。
  
说明:补充资料仅用于学习参考,请勿用于其它任何用途。