ultrasonic field

The relationships between the ultrasonic field parameters and the rate of scale control are studied, of which the frequency, sound intensity, irradiation times and pulse width are the major factors influencing the scale rate, while the intermittent rate is the next factor.

实验研究了超声场参数与防垢率之间的关系，其中频率、声强、辐照时间和脉冲宽度是影响防垢率的主要因素，而间歇比为次要因素。

Investigated was the hydrolysis process of titanyl sulfate without adding external seed in ultrasonic wave field. The product of hydrolysis was characterized by XRD, SEM, TEM and EDS.

研究了硫酸氧钛溶液在超声波场中自生晶种的水解过程，并结合XRD，SEM，EDS和TEM等现代测试技术对水解产物进行了表征。

Defect detection in pipes using ultrasonic guided waves is one of the top focuses in field of NDE in recent years.

管道超声导波损伤检测技术是近年来无损检测领域的研究重点之一。

One co-founder in the field of ultrasonic welding technology has 20 years experience in the industry.

其中公司创始人在超音波焊接技术领域拥有20年的业内经验.

The ultrasonic field was measured using a ultrasonic hydrophone and a 3-D scanning system.

在超声场测量采用超声波水和三维扫描系统.

Linear Acoustic Analysis of Concave Sphere Dual-frequency Focused Ultrasonic Field

凹球面双频聚焦超声声场的线性声学分析

Segmentation of Ultrasonic Image Using Getting Optimal Threshold by Frequency field Analysis

用频域分析最佳阈值的方法进行超声医学图像分割

The high frame rate ( HFR) ultrasonic imaging system, which is developed with limited diffraction beams, constructs images at a high frame rate. However the rectangular imaging area, to some extent, restricts the far field imaging information.

基于有限衍射波束的高帧率（high frame rate，HFR）成像系统能实现快速成像，但成像区域为矩形，使得远区成像的信息量受到一定的限制；

Evaluating the density of cancellous bone using quantitative ultrasound, it's a theory developed for more than ten years in the field of Ultrasonic Diagnosis Technic, broadband ultrasound attenuation ( BUA) and speed of sound ( SOS) are two pivotal parameters of the QUS diagnosis.

在超声诊断技术领域，定量超声骨密度检测理论已发展了十余年，宽带超声衰减（BUA）和超声声速（SOS）是用定量超声（QUS）进行骨质疏松症诊断的最重要的两项参数。

Effect of Ultrasonic Field on Extracting Chlorogenic Acid from Sunflower Seed Using Supercritical Carbon Dioxide

超声场对超临界CO2萃取葵粕绿原酸的影响

The experimental and theoretical analysis of the ultrasonic field for the spiral coil electromagnetic acoustic transducer ( EMAT) and the piezoelectricity transducer array was researched in the thesis.

本论文主要研究螺旋线圈型电磁超声换能器和压电阵列超声换能器的声场分布和实验验证。

Hydrolysis of Titanyl Sulfate Solution and Characterization of Product in Ultrasonic Wave Field

超声波场中钛液水解和产物表征

Analyzing and Experiment of Ultrasonic Field with Immersion Focusing Ultrasonic Test in Angle Beam Incidence

水浸聚焦探头斜入射声场的分析与实验

Effect of non-uniform flow field on ultrasonic gas flowmeters

不均匀流场对超声气体流量计测量的影响

A temperature field measuring system for ultrasonic plastic welding based on HP VEE

基于HP VEE的超声波塑料焊接温度场检测系统