Discovering air pressure appended effect in sound velocity measurement result with ultrasonic sensor;
声速传感器测量结果中气压附加成分的发现
New method to calculate temperature coefficient of sound velocity at high pressure;
高压下声速温度系数的一种新算法
Study on the variation of sound velocity of ultrasonic transverse wave at varied temperatures;
不同温度下超声波横波声速变化的研究
A study on correction of acoustic velocity in seafloor sediments measured in laboratory;
海底沉积物声速实验室测量结果校正研究
Deriving acoustic velocity of a coaxial cylinder in a cylindrical cavity by means of resonance acoustic spectroscopy;
用共振声谱法求取圆柱扰动体的声速
A calculation method of acoustic velocity based on AMDF(Average Magnitude Deference Function) utilizes AMDF's period recognition ability,processing coupling's echo data using many frames,and obtaining time interval of the adjacent coupling's echo of the respective frame from the first valley point.
基于AMDF的声速计算方法利用AMDF的周期识别能力,对接箍波数据分帧处理,通过AMDF的第一谷点计算该帧内相邻接箍产生的接箍波的时间间隔,随后再根据油管长度计算出该帧接箍波对应区段内的声速。
A correlational study between changes in ultrasonic velocity and the process of deep thrombosis formation;
血栓形成过程与其声速的相关性研究
Study on rock damage and acoustic emission based on ultrasonic velocity test of rock specimen under uniaxial compression;
岩石声速与其损伤及声发射关系研究
Characterization of ultrasonic velocity in supercritical fluid CO_2;
超临界CO_2流体中超声速的特性
Measuring velocity of sound by using acoustic levitation;
运用声悬浮现象测量声速的演示实验
A discussion of an experiment on measuring the velocity of sound in the atmosphere;
关于空气中声速测量实验的讨论
According to the model pile experiment,this paper makes regression analysis,sets up mutual relation between concrete strength and the velocity sound and finds relationship factors to the velocity of sound strength.
通过模型桩试验,进行回归分析,建立混凝土抗压强度与超声声速之间相互关系式,并找出对声速～强度的相关影响因素。
Ultrasonic Velocity and Temperature-coefficients in Acetic Acid;
醋酸中超声波声速及莫温度系数
Longitudinal vibration velocity with different diameter metallic rod;
不同直径金属杆中纵向振动声速研究
Biot inversion for in-situ velocity and attenuation data A case study in Hawaii,USA;
Biot反演在夏威夷钙质沉积物原位测量声速和衰减中的应用
Study on speed of sound and ideal-gas heat capacity at constant pressure for HFC-125;
HFC-125气相声速和理想气体比定压热容的研究
Objective To explore the effect foot position on detection of speed of sound during ultrasonic detection of calcaneal bone mineral density.
目的了解足位变化对跟骨超声骨密度检测声速的影响。
The experimental apparatus has been constructed for measuring the speed of sound in supercritical fluids.
为了研究超临界CO2流体中超声声速特性,设计了可用于超临界CO2流体的声速测量装置,采用频率2。
beam-deflection ultrasonic flowmeter
声速偏转式超声流量计
Because light travels much faster than sound.
因为光速比声速快。
bilinear profile
双线[声速]剖面图
hypersonic aerodynamics
特超声速空气动力学
velocity derived porosity
声速测井确定的孔隙度
engineering supersonic aerodynamics
工程超声速气体动力学
numerical solution for inviscid supersonic flow
超声速无粘绕流数值解
supersonic turbo jet
超声速透平喷气发动机
sonic nozzle flow prover
声速喷嘴流量检定装置
sonic controlled EGR system
声速控制式EGR系统
Aerodynamic Flutter and Limited Cycle of a 2-D Wing in the Hypersonic/Supersonic Flow Field
超声速/高超声速流中二元机翼的颤振与极限环
Break the sound barrier, ie move faster than the speed of sound
突破声障（即以超声速飞行）
Sound velocity and acoustic nonlinearity parameter B/A in medium composed by certain components
不同元系媒质的声速与非线性声参量
On the New Research between Ultrasonic Bone-age and Sound of Speed in Ultrasound Device;
超声骨龄与超声速值(SOS)研究的新进展
Research of the Measurement of Sound′s Velocity in Liquid with Ultrasonic Diffraction Grating;
超声光栅衍射测量液体中声速的研究
Application Origin 7.0 software to experimental data of the sound velocity of ultrasonic
利用Origin7.0软件处理超声波声速实验数据
Study on the Sound Velocity Criterion of Cross Hole Sonic Logging in Pile Foundation Testing
关于基桩声波透射法声速判据的探讨
Concorde travels faster than sound.
协和式飞机的飞行速度比声速还快。