The sound wave of the retrieved rock sample is measured and tested with the technique of ultrasonic wave measurement and test, the relation between attenuation coefficient and damage energy dissipation of the sample is established.
利用一级轻气炮对灰岩进行冲击损伤实验,并对回收样品进行了超声波测试,在此基础上建立了衰减系数和损伤变量、冲击损伤耗散能的拟合关系式。
Ultrasonic test analysis of the loose zone of the wall rock;
隧道围岩松弛范围的超声波测试分析
Study on Data Processing System of High Accurate Ultrasonic Detecting Instrument
高精度超声波测试仪信息处理系统的研究
An ultrasonic transmission thickness measurement system for rivulet on the stay cable under rain-wind induced vibration
斜拉索风雨激振水线的超声波测试研究
Application of Ultrasonic Test Method in Freeze-thaw Test of Asphalt Mixture
超声波测试方法在沥青混合料冻融试验中的应用
ultrasonic concrete tester
超声波混凝土测试仪
Experimental Study of Ultrasonic Plane Testing Technique for Concrete Strength;
混凝土强度的超声波平测法试验研究
Method of Impedance Characteristic Testing in Operating Voltage of Ultrasonic Motor
工作电压下超声波电机阻抗特性测试
The research on the testing technology of ultrasonic sensors
用单片微机测试超声波传感器的性能
Flaw Testing of Welding Butt by Ultrasonic Guided Waves
超声导波检测对接焊缝缺陷试验研究
PUNDIT (Portable Ultrasonic Non-destructive Digital Indicating Tester)
轻便式超声波非破坏性数字指示测试器
Research and Application of Ultrasonic Transmission Method to the Dynamic Test of Foundation Pile;
超声波透射法在基桩动态测试中的研究与应用
Research on Portable Mud Densimeter Based on Ultrasonic Sensor;
基于超声波的便携式泥浆密度测试仪研究
The Influence of Ultrasonic Dispersion on the Test of the Grain Size of Foaming Agent ADC;
超声波分散对发泡剂ADC粒度测试的影响
Autocycle Tester of RSM-SY7 Foundation Piles Multi-span Ultrasonic
RSM-SY7基桩多跨孔超声波自动循环测试仪
Experimental study of ultrasonic longitudinal wave measuring dynamic elastic modulus of frozen soil
超声纵波测量冻土动弹性模量的试验研究
Measurement of Applied Stress in Aluminum Alloy by Longitudinal Waves
超声纵波法测试铝合金内部的载荷应力
ultrasonic angle beam testing
超声波斜角探伤试验
portable ultrasonic thickness meter
携带式超声波测厚仪
