1.In some cases,seismic interpretation may be misguided by noise events,noises in the area are surface wave,first-break refraction,multiply-reflected refraction, secondary back refraction,secondary back reflection,“net noise”caus- ed in CDP stack and so on.
不识别这些噪声,在一些情况下,就会使地震解释工作误入歧途。 这些地震噪声有:面波、初至折射波、多次反射—折射波、次生回头折射波、次生回头反射波、共反射点叠加中的“网状”噪声等。
2.Reflectance and refraction of wave on surface or interface for isotnopy medium are researched on the basic of Hooke law. The result is properties of reflectance and refraction wave versue wave kind,properties of medium and incident angle
在Hooke定律基础上研究了各向同性介质中波在自由面的反射及在两种介质分界面上的反射与折射．得出反射波、折射波的性质与入射波的种类、两种介质的性质及入射角的关系
3.Starting from the fundamental wave equation for acoustics of moving media, a systematic study concerning the reflection and refraction of plane sound waves on the interface between two moving homogeneous media has been made under the assumption that the Mach numbers M of moving media are low, such that M2<<1. The representations for reflection and refraction coefficients as well as the equation decribing the total reflection zone are obtained.
本文从运动介质声学基本方程出发,在介质运动的Mach数低(M~2<<1)的条件下,对两种均匀介质分界面上的反射、折射和全反射问题作了系统的讨论,得到反射系数和拆射系数的表达式以及全反射区锥面的方程。
4.Objective:To study on mathematic relationship with Gullstrand exact model eye(No.1)′s parameters of refraction in situ keratomileusis and evaluate the middle-term efficacy and safety of laser in situ keratomileusis(LASIK)for extremely high myopia(with a preoperative refraction more than-10.00 diopters).
目的:以Gullstrand(1号)精密模型眼视光参数为设计基础,探讨准分子激光原位角膜磨镶术(LASIK)理论参数的精确计算,并以此筛查、分析、探讨LASIK治疗超高度(等效球镜度数>-10.00 D)近视的中远期效果和安全性。
5.To solve serious static correction problems in complex near-surface areas of western China, different refraction first-break statics methods are studied in this thesis. The main study contents are as follows:1) The propagation features of refraction for horizontal layered and dip media are studied firstly, it lays a good theoretical foundation for later statics method studies.
本文针对目前西部油气勘探中迫切需要解决的复杂地表区静校正技术难题，对初至折射波解决二维和三维长、短波长静校正问题的正反演方法进行了深入的研究和探讨，研究内容主要包括(1)水平层状和倾斜界面折射波的传播规律，为后续的折射静校正方法研究奠定理论基础；
6.The index of refraction of air is 1.0 while the index of refraction of the polycarbonate is 1.55.
光在空气中的折射率为1.0，在聚碳酸脂中的折射率为1.55。
7.On the base of experiments, this paper found the primary factor of caused atmospheric-vertical refraction. A formula to calculate the angle of atmospheric-vertical refraction is given.
以实验为基础，找出了导致大气竖直折光的主要因素，给出了大气竖直折射角计算的实用公式。
8.A method of verifying the formula of index of refraction of a solution is given by measuring its index of refraction and percentage concentration with Abbe refractometer.
给出了通过阿贝折射仪测溶液折射率和百分比浓度来验证其折射率公式的一种方法
9.Applying a numerical model of combined wave refraction diffraction with bottom friction,the wave transformation processes in the ebb delta of Shuidong Bay,western Guangdong Province are simulated in this paper. The results show that the bottom friction induced by the platform of the ebb delta results in the obvious attenuation of the wave heights. The edge sand spits in both sides of the inlet could cause the refraction of incidence waves.
本文应用底摩擦作用下的波折射——绕射联合计算数值模型模拟了粤西水东湾落潮三角洲海区的波变形过程．计算结果表明，落潮三角洲平台的底摩擦作用导致了波高的明显衰减，通道口两侧的边缘砂咀可引起入射波的折射作用．在一定波况下，碎波带范围的变化主要与潮位相相联系
10.With practical engineering examples, this paper deals with the collection of surface wave signal along with seismic refraction exploration, the utilization of surface wave components to make analysis during data processing, the thickness division of overburden bed, strongly-weathered bed, intermediately-weathered bed and weakly-weathered bed in combination with the refraction data, and mutual reflection and interpretation of the burial condition of the bedrock surface.
笔者结合工程实例，介绍了在地震折射勘探中同时采集面波信号，在资料处理时利用面波组份进行分析，配合折射资料对测区覆盖层、强风化层、中风化层及弱风化层厚度进行划分，同时相互映证解释基岩面的埋藏情况。
