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- dispersion curve;shear wave velocity;continuous surface wave test (CSWT);electronic cone penetration test (SCPT);backpropagation neural networks (BPNN 频散曲线;剪力波速;连续表面波试验(CSWT);电子震测锥试验(SCPT);倒传递类神经网路(BPNN
- surface wave test 表面波检验
- Shell Selecting by Ultrasonic Surface Wave. 壳体的超声表面波分选。短句来源。
- 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。
- The conclusion is valuable for liquid surface wave detecting and application. 这一结果对液体表面波的检测和应用是有价值的。
- method, surface wave testing 表面波探伤法
- This instrument can detect weak surface waves. 这个仪器可以检测到微弱的地波。
- surface wave testing method 表面波测试法
- The measurement techniques of stress test by ultrasonic surface wave are introduced and the internal remanent stress of welded specimens is measured quantificationally, before and after vibration. 通过对工件残余应力使用超声波测应力技术进行了定量分析,验证了本文所研制的振动时效设备的有效性;
- Non-destructive test (NDT) for concrete; inspection, evaluation and appraisal for the quality, flaw, crack and durability of concrete construction; and sound wave test for rock. 咨询专业特长:混凝土无破损检测技术;混凝土质量、缺陷及耐久性检测、评定、鉴定;岩体声波检测。
- Slower surface waves travel along the surface of the earth. 较慢的面波沿地球表面传播。
- Methods 40 cases of ADHD children and 20 subjects of control were studied with event related potentials (ERP) P 3 wave test and attention deficit tester test. 方法本文对40例ADHD和20例正常对照儿童进行了事件相关电位(ERP)P3波的检测,同时用注意力缺陷测试仪进行评分。
- The motion of surface waves is somewhat more complex. 面波的运动有点复杂。
- The difficulties in surface wave problems arise from the freesurface conditions. 表面波问题的困难来自由表面的条件。
- The recent advances in ultrasonic guided wave testing technique are summarized. 摘要综述近年来超声导波检测研究的最新进展。
- TE surface waves in absorbing layers with high losses are studied. 研究TE表面波在高损耗吸收层中的特性。
- There are two chief kinds of seismic waves: body waves and surface waves. 有两种主要的地震波:体波和面波。
- Aim\ To study the SAR imaging of ocean surface wave and the surface wave modulation of radar cross section. 目的研究合成孔径雷达(SAR)对海面波成像的机理和海面波对雷达截面的调制机理。
- Makes use of Maxwell equation and gets surface wave dispersive characteristics, energy flow characteristics. 利用麦克斯韦方程得出了表面波的色散特性、能流特性。
- The surface wave propagation method was suitable for the measurement of dynamic shear moduli of particleboard. 不同方法测得的弹性模量值不同.但它们之间存在着一定的内在联系。