symmetri相关论文
A new London-Eyring-Polanyi-Sato potential energy surface is employed in this work to study the stereo properties of the......
A new scheme for recording a dynamic phase grating with an asymmetric profile in C60-doped homeotropically aligned nemat......
This paper is concerned with the numerical simulation of the transient effect of an inertialess Boger flow past aconfin......
This paper focuses on investigating the interaction effects for swirl and bluff-body in stabilized flame process. Partic......
Estimation of Heights of Soil Plug Inside Bucket Foundations During Suction Penetration by Deformabl
The soil plug phenomenon involving the rising of the surface soil inside the bucket chamber under the suction pressure a......
The structure of pure C<sub>60</sub>/stearic-acid LB films and phase transformation during dipping pro-cess have been st......
An iterative procedure is proposed to facilitate the determination of molecular vi-brational force constants from the e......
Dependence of above-threshold ionization spectrum on polarization directions of two-color laser fiel
Using the frequency-domain theory, we investigate the above-threshold ionization(ATI) process of an atom in twocolor las......
A tunable Ti: sapphire laser with a symmetric two-channel dispersive resonator operated simultaneously at two wavelengt......
In recent years, there has been a growing interest in high-power proton accelerators (HPPA) since they are able to deliv......
In the procedure of the steady-state hierarchical optimization with feedback for large-scale industrial processes, a se......
This paper is concerned with the problem of robust stability analysis for networked control systems (NCSs). A new NCS mo......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
应用广义的Leggett-Williams不动点定理,研究了四阶两点边值问题u(4)(t)=f(u(t))(tȁ[0,1]),u(0)=u(1)=0,u″(0)=u″(1)=0正解的存......
利用NCEP/NCAR再分析资料和常规气象资料,对2001年6月28-29日发生在河南的一次黄河气旋暴雨过程进行了诊断分析。结果表明：黄河气旋......
The multiplicity of periodic solutions for a class of second order Hamiltonian system with superquadratic plus subquadra......
时域脉冲源是时域超宽带雷达系统中的重要部件,时域脉冲天线大多采用对称形式,如果用非平衡高压脉冲源激励,难以实现很好的宽带匹......
针对一些网络设备在设计时面临的技术和市场挑战,讨论了应对网络设备挑战的几种解决方案,如调整软件适应多处理器平台,超虚拟化技......
本文以水轮机转轮重量为目标函数,对转轮进行优化设计,将既满足工程要求又能描述转轮上冠、下环厚度变化的参数选为设计变量.为了......
描述了数据加密技术中的两种密码体制,并分别针对两类体制中的几种典型算法的原理及加密、解密过程进行阐述,比较了各算法的性能及......
ＮｏｔｅｏｎｔｈｅＳｙｍｍｅｔｒｉｃＳｔａｂｉｌｉｔｙｏｆＱｕａｓｉ－ＨｏｍｏｇｅｎｅｏｕｓａｎｄＩｎｃｏｍｐｒｅｓｓｉｂｌｅＲｏｔａｔｉｎｇＯｃｅａｎＲｅｎＳｈｕｚｈａｎ（任舒展）（ＬＡＳＧ．ＩｎｓｔｉｔｕｔｅｏｆＡｔｍｏｓｐｈｅｒｉｃＰｈｙｓｉｃ.........
本文给出了复维数为１６的Ｃａｒｔａｎ例外域的对合变换，并由此得到了该域的有界域的形式。......
设R是素环，I是R的非零理想，如果R容许一个非单位映射的左乘子使得对所有x，y∈I满足δ（x · y）=x · y或δ（x · y）＋x · y......
采用混合密码系统，提出了一种移动电话会议无线通信安全改进方案（HC-CKDP）。分析表明，HC-CKDP在保证对系统性能影响很小的前提下，有效地......
移动代理目前广泛应用于分布式并行计算、网络信息搜索、电子商务等领域，但安全问题一直是阻碍其发展的重要原因。结合身份密码学知......
考虑一类带正权的次二次位势对称方程的对称周期解的分布问题，利用相平面分析法，证明了在一定条件下对称周期解是稠密分布的．......
本文给出了整齐振荡型洛毕达极限的振荡区间的确定方法....
针对Criminisi基于样本块的图像修复算法置信项错误导致的修复顺序错乱,以及无法为对称相似图像给予较好的修复问题,提出一种改进......
通过对非线性Ｄｕｆｆｉｎｇ方程解的稳定性进行研究，得到了周期一解失稳转迁集的解析表达式，同时应用广义牛顿法，得到了Ｄｕｆｆｉｎｇ方程对称破缺分岔转迁集的解......
分析了小电流接地系统故障特性，指出了经过渡电阻和消弧线圈单相接地时零序电流的特征，并详细阐述了基于时序鉴别法的选线装置的工作......
针对或/符合代数系统中电路设计与化简的要求,提出了一种全新的图形表示方法--CRM分解图,给出了其特点和性质,并作了相应证明.此外......
考虑一个由独立、不完全相同的单元组成的串联系统，使用屏蔽数据时的参数估计．当失效率为指数函数时，给出了参数的极大似然估计和Baye......
...
This paper studies transverse vibration of rectangular plates with two opposite edgessimply supported,other two edges ar......
In this paper.we gave analytical formulas of characteristic relation of circular plale insolving high-order solutions of......
Within the affine connection framework of Lagrangian control systems, based on the results of Sussmann on controllabilit......
分析复杂Y型钢柱整体结构特点,制定合理的装焊顺序。采用精细等离子切割技术进行下料,合理设置割缝补偿,控制零件尺寸偏差。针对长......
给出仿射非线性系统为双曲极小相位的一个必要条件，并讨论了一类非线性对称大系统的镇定问题，将该大系统的镇定归结为两个你阶系统的......
基于磁电弹性材料的本构关系和运动微分方程，研究了磁电弹板中Lamb波的传播特性．在电磁开路和短路两种边界条件下，导出了偏压电场作用......
Existence of Infinitely Many High Energy Solutions for a Fourth-Order Kirchhoff Type Elliptic Equati
In this paper, we consider the following fourth-order equation of Kirchhoff type<br /> <p> <img src="Edit_bcc9844d-7cbc-......
