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- From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remained coal seam. 以哈尔斯法为例,将相遇折射波法用于剩余煤厚探测中,具有精确、高效、快速的特点。
- Application of earthquake refracted wave method to geologyical prediction for tunneling 地震反射波法技术及其在隧道超前地质预报中的应用研究
- Application of reversed refracted wave method in detecting the thickness of remained coal seam 相遇折射波法在剩余煤厚探测中的应用
- Keywords high density resistivity method;refracted wave method;overburden;contrast; 高密度电阻率法;折射波法;覆盖层;对比;
- refracted wave method 折射波法
- Prospecting metal mine goafs by Rayleigh wave method is introduced. 介绍用瑞雷波法检测金属矿山采空区。
- Seismic refraction wave method 地震折射波法
- Also, any negatively refracted wave would be rapidly smeared out in only a few wavelengths by dispersion, which Valanju maintains will always be a major problem in a negative index material. 此外，负折射波将在几个波长内因色散而快速衰减，瓦蓝朱认为这将是负折射率材料最大的问题。
- Minimum Detective Height and Height Measurement Accuracy Use Diffraction Wave Method to Detect a Crack Height. 衍射波法测定裂纹高度时的最小可测高度和高度测试精度。
- A M - band CMFB with a side lobe of about 45 dB was designed using the optimum equal wave method. 通过分析M带滤波器组和M带复用转换器的完全重构条件;用最优等波纹法设计了一个旁瓣约为45 dB的M带余弦调制滤波器组.
- The sound absorption coefficient of three kinds OSB wallboard were tested by the stationary wave method. 采用驻波管法测定了3种定向结构板(OSB)复合墙体的吸声系数；
- With plane wave method,it is proved that the 1D-USPC shares the same bandgap character. 利用平面波法证明了一维超声光子晶体具有一般一维周期层叠结构光子晶体的禁带特征。
- The theoretical response correlates well with dynamic testing of an engineering pil e by the reflective wave method. 理论计算响应与工程桩的反射波法动测结果有较好的相关性。
- preliminary refracted wave static correction 初至折射静校正
- The bandgap structure of one-dimensional photonic crystal was calculated and derived with the plane wave method(PWM). 用平面波法研究了椭圆钢柱与环氧树脂组成的三维简立方晶格声子晶体的带隙结构。
- Incorporating quality detection of highway engineering,the principles of Rayleigh wave method are discussed. 结合道路工程路基施工质量检测,介绍了瑞利波测试技术的方法和原理。
- The result showed that surface wave method can find out concrete s flaws,in case its parameters are correctly chosen. 结果表明:只要参数选取合理,面波法能够探测出混凝土缺陷,并且效果明显。
- Using seismic image method and low-strain reflected wave method, the paper evaluates the quality of pile daises. 该文介绍了用地震映象和低应变反射综合检测桩承台,评价桩承台质量的方法。
- Light is refracted when passed through a prism. 光线经过棱镜时产生折射现象。
- Adopts step wave method to measure the timeaverage sound level(equivalent continuous sound level) of the sound level meter. 采用阶梯波法;测试了声级计的时间平均声级;即等效连续声级Leq功能;并对实测值和理论值进行比较.
