A series of CaOnY4-n molecules have been studied by means of MNDO method. From the results of calcuation it can be seen......

A novel high-voltage device structure with a floating heavily doped N~+ ring embedded in the substrate is reported,which......

The main aim of this paper is to discuss the confinement effects on the optical and acoustic phonon vibrational modes in......

The spin-up time TA in the spin-up process and spin-down time TD in the spin-down process of rotational air flow in the ......

The modern landmine’s electronic fuse is susceptible to strong interference or can even be damaged by the ultra-wide ba......

The fructification of the noeggerathialean foliage Plagiozamites is very likely a cylindric strobilus based on close ass......

The stability characteristics of an ultra-thin layer of a viscous liquid flowing down a cylindrical fibre are investigat......

An enantiopure helical coordination polymer AgPF6·(R)-3 as crystalline solid was synthesized by the self-assembly of ch......

应用严格耦合波分析方法(RCWA),在本征硅片衬底表面设计并制作了一种圆柱形抗反射微结构元件。通过MATLAB软件模拟仿真确定其最优......

将生物胫骨考虑为纤维增强的粘弹性复合材料圆柱壳,并进行了蠕变屈曲分析.采用广义Maxwell模型,提出了胫骨的粘弹性复合材料圆柱壳......

以结构目标可靠度约束条件对潜艇耐压圆柱壳进行了优化设计研究，根据潜艇耐压圆柱壳结构的确定设计变量和相应的结构失效模式，并确定......

在Biot饱和多孔介质动力学理论的基础上，利用Fourier-Bessel级数展开法，通过对舍有衬砌洞室的局部场地进行波场分析，得到饱和土半空间......

研究了径向简谐集中力激励下的水中功能梯度复合材料有限长圆柱壳的振动和声辐射问题。从有限长功能梯度材料振动方程出发,利用模......

圆筒型行波非接触超声马达需要在某圆周方向形成行波以产生驱动力。文章较系统地研究激励圆筒振子产生周向行波的原理，分别给出了激......

通过分析金属柱壳在内部炸药滑移爆轰作用下的动力学响应,建立了爆轰产物压力与壳体径向膨胀位移材料动态屈服强度之间的关系式.基......

本文对圆柱型各向异性弹性力学平面问题的基本方程进行了改写。在此基础上，导出了应力函数Ｇ和位移函数φ，它们满足相同的控制方程，比文......

本文以一种新方法建立了水平激励下圆柱贮箱类液固耦合系统的动力学方程。利用两类完全不同的Ｌａｇｒａｎｇｅ函数来描述液体子系统和结构子系统的......

For multiple reaction system of methanol synthesis in the presence of Cu-based catalyst, hydrogenation reactions of CO a......

本文利用矩阵型式的Ｆｒｏｂｅｎｉｕｓ级数方法求解了球壳和柱壳振动中一类含正则奇点的常微分方程组，考虑了指标方程根的相互关系，从而全面地得到了不......