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- The study provides basic detection theory and practicel engineering experiences for popalarizing surface wave velocity method to detect dry density of compacted rock-fill layer in practice. 本项试验为推广应用稳态面波法检测干密度值提供了理论依据和工程实践经验。
- wave velocity method 弹性波法
- surface wave velocity method 表而波法
- Rayleigh wave velocity method 瑞雷波法
- Meanwhile, the spectrum is also related to the shock wave velocity. 光谱的结构特征也依赖于激波的速度。
- Surface wave velocity image has a contrast effect on detecting karst body. 以及面波速度映像成图对岩溶体探测起到了全面追溯和对比作用,进行了分析研究。
- Research shows that stress wave reflection method can not only detect the anchoring position and anchoring length, but also indirectly detect the bolt anchoring force through anchor wave velocity. 研究结果表明,应力波反射法不仅可以检测锚杆的锚固位置和锚固长度,而且能由锚固体波速间接检测锚杆的锚固力大小。
- A measure velocity method is given by michelson intefese to deal with Lasen Doppler frequence change. 通过采用迈克尔逊干涉处理激光多普勒频移信息的方法,实践测量物体运动速度。
- Till now, the testing method for the elastic wave velocity of rock specimens with ultrasonic waves is basically the travel time testing method. 迄今为止,岩石样品弹性波速的超声波测试基本上是采用波动走时的测定方法。
- The saltness has an effect on water content in oil while determined by using ultrasonic velocity method. 利用实验方法,建立了不同含水率及不同含盐量下油水混合物声速随温度变化的关系曲线族。
- A surface at which seismic wave velocities change. 不连续面间断面,地震波速度突变面
- Methodsserum ADA and ALT were detected by velocity method in patients with liver functional damage and the control group. 方法:用速率法测定肝功能损伤者和正常健康人组的腺苷脱氨酶及转氨酶(ALT)值。
- All these indicate that the acoustic wave velocity in granite samples is affected by several extrinsic factors and some rules may be found. 实验结果表明,声波在岩石内传播速度受很多外在因素影响,并具有一定的传播规律。
- The orientation structure of the polyacrylonitrile precursors was quantitatively studied by the sound velocity method and the wide angle X-ray diffraction. 采用声速法及X射线衍射法对不同拉伸倍数聚丙烯腈原丝的取向结构进行研究。
- Compressional wave velocity based on Two-Phase theory is used to estimate gas hydrate and free gas saturation. 目前大多通过双相介质理论的纵波速度来估计水合物和游离气的饱和度。
- A Jupiter-mass exoplanet was detected in 2000 by the radial velocity method in which astronomers look for wobbling motion of a star due to the gravitational tug of a planet. 2000年,曾经用径向速度法发现了一颗相当于木星质量的系外行星。在径向速度法中,天文学家们往往寻找恒星摆动的迹象,这种摆动是由于行星的引力作用造成的。
- Principle of saturated sand cyclic liquefaction evaluation by shear wave velocity was presented. 摘要介绍了应用剪切波速判别饱和砂土振动液化的原理;
- The tomographic images in different depths show that the P, S wave velocity perturbation orientates NW direction. 成像结果表明:不同深度的P波、S波速度扰动呈北西向展布特征;
- Variation in ultrasonic wave velocity and dynamic young's modulus with moisture content for Taiwania plantation lumber. 2003。木构造建筑物施工技术手册编订之内涵,林产工业22(2):139-146。
- The critical wave number and critical wave velocity increase under the cocurrent shear and decrease under countercurrent shear. 正向 剪切力使临界波数和临界波速增大,反向剪切力使其减小;
