The elastic wave reflection method is one of the effective methods of detecting the thickness of the top coal seam.
声波反射法是目前顶煤厚度探测的有效方法之一。
This paper summarizes simply the history of bolt testing technique, describes in detail stress wave reflection method.
笔者对锚杆检测技术的历史进行了简单的总结,并详细、重点介绍了目前被广泛使用的应力波反射法。
A stress wave reflection imaging (SWRI) method is presented to test and diagnose the complex defects in the concrete structure.
提出了混凝土结构中任意缺陷的应力波反射成像测试与诊断方法。
The characteristics and law of seismic transverse wave reflection of bedrock and karst are analyzed through practical projects.
通过实例分析研究了基岩及岩溶的地震横波反射特征和规律。
The bandgap structure is calculated using periodic method of moment, and the plane wave reflection phase is calculated using FDTD.
利用周期矩量法计算了其带隙特性,利用FDTD法计算了其反射相位。
This paper provides an example of the application of seismic S-wave reflection method and S-wave velocity to engineering investigation.
本文提供了地震横波反射法及横波速度在工程勘察中的应用实例。
The blast furnace raceway formation under the intensive coal injection by measurement of micro wave reflection gunned through a tuyere is discussed.
通过利用风口测量枪进行的微波反射测量方法讨论了大煤粉喷吹量条件下高炉风口回旋区的形成。
As a new type breakwater, perforated caisson is taken more attention because its structure can effectively reduce the wave reflection and the wave energy.
开孔沉箱作为新式防波堤,由于其结构能够有效减小波浪的堤前反射及消减波浪的能量而受到越来越多地重视。
For scattering of a bounded acoustic beam from a liquid-solid interface, the principal difficulty comes from the treatment of tie plane wave reflection coefficient.
分析有限声波束从平面液-固界面上散射的困难主要发生在平面波反射系数的处理上。
Finally, the computation of wave reflection and diffraction in the Dalian Harbor indicates that the present method can be widely used for computing the wave field in harbors.
对大连港区内的波浪折射绕射进行了计算,表明本方法可以应用于实际港口的波浪场计算中。
The stress - wave reflection method exist limitation in testing the quality of foundation pile. The direction of defects in pile body exerts a tremendous influence on testing results.
应力波反射法在检测基桩质量的应用上存在着方法上的局限,且桩身缺陷的方向性对检测结果影响极大。
This paper introduces the theory calculation of shear wave reflection for block corner. And it derives the echo acoustic pressure theory calculation formula for block corner and its shape defect.
阐述了横波在端角反射中的理论方法计算,并推导端角及端角形缺陷的回波声压理论计算公式。
According to the real-measured wave reflection coefficient of two kinds of open-caisson wharf structural types in front of dike under the action of wave, the relationship between them is verified.
通过两种开孔沉箱码头的结构形式在波浪作用下实测的堤前波浪反射系数,进一步证实了相互间的关系。
A case history of the application of the P-wave reflection method in that area to investigate the bedding plane of bedrock, karst cave, fault and the distribution of the dissolution belt is given.
文中给出了该区P波反射法探测基岩界面、溶洞、断层和溶蚀带分布的应用实例。
The three term Taylor series of P-P wave or P-SV wave reflection travel times in VTI media are the function of elastic parameters. Therefore they can be used to inverse the seismic elastic parameters.
对P P波、PSV波的传播时间进行三项泰勒展开时,它们的系数中包含了地震波的各向异性信息及垂直速度信息,可以为地震波的弹性参数反演提供基础。
The three term Taylor series of P-P wave or P-SV wave reflection travel times in VTI media are the function of elastic parameters. Therefore they can be used to inverse the seismic elastic parameters.
对P P波、PSV波的传播时间进行三项泰勒展开时,它们的系数中包含了地震波的各向异性信息及垂直速度信息,可以为地震波的弹性参数反演提供基础。
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