The propagation and transfotmation of GLB in a homogeneous medium is discussed.
讨论了类高斯光束在均匀介质中的传播。
Finite Element Technique based on Rayleigh-Ritz idea is used to solve wave propagation in non-homogeneous medium with variable velocities.
为求解变速不均匀介质中波的传播问题，使用了利用瑞雷-里兹法的有限元技术。
By high acetylation of chitosan at N position with acetic anhydride in a homogeneous medium known as acetic solution–alcohol-pyridine system, water-soluble chitosan was prepared.
探讨了如何控制在均相条件下以高脱乙酰度的壳聚糖为主要原料，在乙酸水溶液- 乙醇-吡啶介质中实现壳聚糖N位乙酰化反应的问题；
Elastic wave theory based on homogeneous and continuous medium model may lead to incorrect explanation of seismic response to geological structure and may even lead to erroneous explanation.
基于均匀的、连续介质模型建立的弹性波动理论可能导致对地球结构地震响应的不当解释，有时可能是错误解释。
It is proved that if the medium is piecewisely homogeneous, the solution of the differential -integral equation satisfies the boundary conditions on boundaries between different media.
证明了在介质为分区均匀的条件下，这个微分-积分方程的解满足不同介质边界面的边界条件。
Residuum suspended bed hydrocracking process at medium pressure was studied by using homogeneous design experimental project.
采用均匀设计实验方案，进行了渣油悬浮床中压加氢裂化工艺研究。
According to the simulated results, the flow-equalizing equipment is improved in order to make the medium flow field in a quenching tank more homogeneous.
根据数值模拟结果，改进了淬火槽的均流装置，使淬火槽内介质流场更加趋于均匀。
According to the correspondence principle and FFT, the author have calculated the displacement field of a double-couple point source in homogeneous, isotropic, unbounded medium.
利用对应原理和FFT技术计算出了无限均匀各向同性介质中双力偶点源产生的位移场，并结合若干实例进行了分析和总结。
PDC bits have been used to drill the homogeneous formation from soft to medium-hard, but they are not suitable for drilling in gravel and multi-interbedded formation.
PD C钻头用于软到中硬的均质地层钻进具有钻速高、寿命长等特点，但不适合含砾石地层和软硬交错地层。
The use of the method is not limited to simple lenses with gradient indices. It can also be used conveniently in the design of systems having homogeneous-medium elements.
这种设计方法不仅对于单片轴向梯度折射率透镜，而且对于同时包括均匀介质元件的光学系统也是很方便的。
Based on the analysis of tunnel convergence in Xieyi coal mine, HuainanMine Bureau, the rock mass of coal mine is considered to be a discontinuous in-homogeneous linear viscoelastic medium.
根据对淮南矿务局谢一矿巷道移近量观测资料的分析，将煤矿岩体视为不连续非均质线性粘弹性介质。
Numerical investigations are carried out with an initially medium dense and initially loose sand using a homogeneous and random distribution of the initial void ratio.
数值研究在初始状态为中等密实和松散砂材料进行，其初始孔隙比按均匀和随机分布考虑。
Numerical investigations are carried out with an initially medium dense and initially loose sand using a homogeneous and random distribution of the initial void ratio.
数值研究在初始状态为中等密实和松散砂材料进行，其初始孔隙比按均匀和随机分布考虑。
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