本文给出了地下核爆炸爆后围岩样品声速测量结果。
Measuring results of sonic velocities of rock samples subjected to shock produced by underground nuclear explosion are given in this Paper.
超声脉冲回波法是一种高精度的弹性模量声速测量法。
The ultrasonic pulse reflecting method is applied to survey the dynamic elastic moduli.
声速测量精度与动态性能等要求的矛盾通过独特的硬件来解决;
The ultrasound velocity measurement accuracy and other requirements were satisfied by some special design in hardware.
通过实验,应用相位比较法和驻波法对空气中的声速测量进行了研究。
The measurement of sound speed in the air is studied in the experiment by phase comparison method and standing wave method.
本文介绍了压电薄膜检测的激光超声系统对CVD金刚石膜声速测量的原理及方法。
The principle and method of measuring the acoustic speed CVD diamond film with piezoelectric film detecting laser ultrasonic system are presented.
本文介绍一种微机控制的声速与温度关系测量系统。温度测量应用热电偶测温原理,声速测量采用脉冲回波技术。
This paper presents a system which combines the measurement of ultrasonic velocity and temperature based on a single board microcomputer.
第一次测量声速是在什么时候?
笔者自行设计研制了用于高超声速推进风洞流场测量的带有水冷装置的可移动式扫描总压耙。
A kind of scan pitot-pressure rake with water cooler was designed in IMCAS for the hypersonic propulsion wind tunnel flow measurement.
通过对超声纵波声速的测量来评定船用TA2钛合金的平均晶粒尺寸。
Ultrasonic velocity measurements have been used to estimate average grain size in TA2 ship titanium alloy.
借助测量水体布里渊散射的频移,可得到水体声速或温度。
The water sound speed and temperature can be calculated by measuring Brillouin scattering frequency shift.
采用新建立的试车台数据实时采集与监控系统,测量了该单级跨声速风扇的总性能和采用处理机匣后风扇的总性能、基元级性能。
By using real time data gathering and test system of the aero engine test bed, the detail measurement of single stage transonic fan performance with and without different casing treatments were made.
用李萨如图形法测量声速误差较小。
The experiment error of sound velocity measuring is very small with lissajous figures.
本文对超声衰减系数和超声声速断层成像的测量过程进行了描述。
This paper describes the measurement procedure of ultrasonic attenuation coefficients and ultrasonic velocity tomography.
方法观察模块浓度的不同所致颜色与透明度的变化,并对PAA模块的声学特性包括密度、声速及声衰减进行测量。
Methods The color and transparency of different concentration phantoms were observed. Properties including density, acoustic speed and acoustic attenuation of PAA gel phantom were measured.
提出用固定行程系统测量空气中声速的新方法,与以往所用的变化行程系统进行比较。
A new method of measuring the velocity of sound in the atmosphere is proposed, which USES fixed journey system, comparing to that used varied journey system before.
通过理论分析、实验测量和数值模拟,研究高超声速粘性相互作用对实验段自由流静压测量的影响。
Hypersonic viscous interaction effects on measurement of free stream pressure in test section are studied through theoretical analysis, experiment measurement and numerical simulation.
本文介绍利用超声共振法测量声速和声衰减系数的原理及自来水和乙醇的测量结果。
In this paper, the principle and primary results of measure ultrasonic sound velocity and attenuation coefficient by ultrasonic syntonic method are introduced.
该流量计包括厚度测量功能,能有效测量液体声速。
The flowmeter includes a thickness measurement function and can effectively measure the sound velocity of fluids.
分析了传统的用共鸣管测量声速实验中存在的问题,提出了两种减小误差的新的改进方法。
Some problems in the traditional experiment of measuring sound velocity by using the resonant pipe device are analyzed.
通过直接测量井中每一地层的声速度,测井记录和井中地震数据可以更容易地和地表地震数据联系起来。
By directly measuring the acoustic velocity of each formation encountered in a well, the well logs and borehole seismic data can be correlated to surface seismic data more easily.
一种用于测量保存在高温高压下的水泥样品中的纵向声速的声换能器系统。
An acoustic transducer system for use in the measurement of longitudinal sound velocity in a cement sample that is maintained at high temperature and pressure.
简要阐述了直接测量式声速剖面仪的测量原理及水下机探头的体系结构;
This paper describes the performance principle and system structure of a direct-survey sound velocity profiler.
声速是海洋声呐测量中最重要的声学参数之一。
The sound velocity is one of the most important acoustic parameter in ocean sonar.
在实施声速剖面测量时,由于某些原因可能存在实际水深大于声速剖面深度的情况。
In the hydrographic practice, the real depth may be more than the depth of sound velocity profile.
测量声速是大学物理实验中一个比较重要的实验,通过对声速的测量可以了解被测介质的声学特性。
Measuring sound velocity is an important physical experiment. It is possible to know the acoustical characteristics of measured medium by measuring sound velocity.
对于A型生物测量探头,通过在声束定向、测量位置和声速设置等方面的设计思想,有效提高测量精度。
For an a mode biometric probe, ultrasonic beam orientation, measuring position and speed setting ensured the precision of the measurement.
环鸣测量声速法具有电路简单、使用方便、测量精度高等优点,已广泛地应用。
Sing-around method for sound velocity measurement have found wide acceptance because it is simple in circuitry and high in accuracy.
本工作验证了带窗VISAR技术测量材料高压声速及卸载路径的可行性。
The feasibility for the sound velocity and unloading path under high pressure by using VISAR diagnostic is validated.
本工作验证了带窗VISAR技术测量材料高压声速及卸载路径的可行性。
The feasibility for the sound velocity and unloading path under high pressure by using VISAR diagnostic is validated.
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