symmetr相关论文
Entanglement in quantum theory is a concept that has confused many scientists. This concept implies that the cluster pro......
The analysis of seven aliphatic carboxylic acids(formic,acetic,propionic,iso-butyric,n-butyric,iso-valeric and n-valeric......
Morphological control of zinc tricarbohydrazide perchlorate crystals: Theoretical and experimental s
The theoretical crystal-morphology of zinc tricarbohydrazide perchlorate (ZnCP) was studied using the morphology simulat......
A Dugdale-Barenblatt model for a strip with a semi-infinite crack embedded in decagonal quasicrystal
The present study is to determine the solution of a strip with a semi-infinite crack embedded in decagonal quasicrystals......
Vibrational Spectroscopic Study of N-[4-[1-Hydroxy-2-[(1-Methyl Ethyl)Amino]Ethyl]Phenyl]Methane Sul
The vibrational spectral analysis was carried out by using FT-Raman and FT-IR spectroscopy in the range 4 000~400and 4 0......
A Perovskite is any material with the same type of crystal structure of CaTiO_3,a mineral discovered in 1839[1],with the......
The surface activity coefficients of ideal mixtures adsorbed on the heterogeneous surfaceshave been calculated systemat......
The binding energy of excitons confined to a quantum ring under the influence of perpendicular homogeneous magnetic fiel......
light intensity at the return place and encirclement power ratio for the distorted reflected beam ba
Based on the definition of second order moment and the approximate three-dimensional analytical formula for probe detect......
Realizing mode conversion and optical diode effect by coupling photonic crystal waveguides with cavi
We propose a novel two-dimensional photonic crystal structure consisting of two line defect waveguides and a cavity to r......
Hydrodynamic and thermal characteristics in a pipe with sinusoidal wavy surface for steady laminar flow are invdtigted ......
Global characteristics of the second-order ionospheric delay error using inversion of electron densi
It is a well known fact that ionospheric delay error is a predominant factor which influences the positioning accuarcy o......
Forces exerted on a small transparent dielectric sphere in a Gaussian beam is an-alyzed.The stable position of the sphe......
To explore the effect of human ear outline structurefor electromagnetic waves, two human ear’s models, a bigone (model ......
A simple model for computing the electron transfer rate constant of a cross-reaction has been proposed in the framework......
The 5-parameter Morse potential (5-MP) of the interaction between H atom and Ag surfaces has been constructed. The adsor......
ADAPTIVE CONTROLLER AND ITS APPLICATION IN FORCE SYSTEM OF ASYMMETRIC CYLINDER CONTROLLED BY SYMMETR
Partial pressure,system vibration and asymmetric system dynamic performance exit in asymmetric cylinder controller by sy......
An epitaxial ZnO thin film was entirely fabricated by pulsed laser deposition.Both the orientation and the size of the c......
A novel coupled quantum well structure with large field-induced refractive index change and low abso
A novel coupled quantum well structure — quasi-symmetric coupled quantum well (QSCQW) is proposed.In the case of low ap......
The bandwidth characteristic of phased array antenna can be represented by the extent of beam broadening as signal bandw......
Rotation symmetric function was presented by Pieprzyk. The algebraic configuration of rotation symmetric(RotS) function ......
Clinical value of ~(18)F-FDG PET/CT in differentiation between benign lesions and lung cancer for la
Objective To evaluate the clinical value ofF-FDG PET/CT in the differentiation between benign lesions and lung cancer fo......
Number estimation of controllers is a fundamental question in pinning synchronization of complex networks. This paper st......
Wireless sensor networks are being deployed for some practical applications and their se-curity has received considerabl......
黄金坪水电站工程大型调压室闸室边墙混凝土工程使用滑模施工方案,采用一种“(冖)”型对称滑升模板施工结构.介绍了滑模系统结构及......
结合首次积分法和求微分系统的多项式首次积分的递推公式方法，提出了一种新的首次积分法，并利用此方法得到了组合的KdV与MKdV方程和（2......
本文详细讨论了具有PT对称的一维量子系统虚数势对能谱的影响,补充了《大学物理》2018年第3期《PT对称的非厄米体系的能谱性质》一......
提出了以下几种数据复制方案:基于主节点管理的对称复制,基于token的对称复制,以及快照复制和对称复制结合产生的混合复制;并且分......
为了提高化工课程教学中的审美教育成分,从化工课程教学的不同角度分析了蕴含于专业知识中的统一美、辩证美和对称美,这对于改变传......
对于均匀带电圆盘（以下简称圆盘）在轴线上激发的电势和电场强度，许多文章都做了讨论，并得出简洁的计算式，但是轴线以外区域的电场（电势）如......
研究非保守力对广义力学系统的Lie对称性和守恒量的影响.建立了广义力学系统的运动微分方程,给出了系统受非保守力作用时,其Lie对......
一个计划为与套住的离子认识到一扇 N-qubit 量阶段门被介绍。利用震动的模式的虚拟刺激， qubit 系统经历一在选择对称的 Dicke sub......
介绍一种采用液压比例阀控制辊缝的新型管材矫直机的液压控制系统，通过PLC控制比例阀来控制液压缸位置，达到辊缝的自动调节和偏差补......
提出了应用双极对数槽号相位图设计变极绕组的一种新方法─－对称块图法．阐述了对称块图法的原理，分析了槽号不重复选用的原则，提出了在......
本文定义了一种新的对称变换－－方向对称变换，它与常用的广义对称变换相比能够提供更多的信息来描述物体的形状。在此基础上提出了一种......
本文通过对动力学系统模型和对带有约束条件的优化控制问题的分析，以系统的动力学优化控制问题为对象，进一步将带有对称编码的遗传算......
为了实现我国温差水热法生长的祖母绿晶体的激光运转，利用Nd：YAP的1．3414μm激光经过LBO晶体倍频得到的670．7nm红光作为抽运光源，采用对......
面对现实问题,从理论与实践方面来看,高等职业教育产与学的对称管理是必要的、重要的,同时,也是具有可行性的。为此,学校、企业以......
给出了支撑在[0,∞）的局部次指数分布的一类卷积封闭性的若干等价条件,并在适当的条件下推广到了全空间.在此基础上,得到了对称化分......
针对C^2R模型下决策单元在输入和输出的不对称性以及新的线性等价形式在对偶理论上的不足，引进了C^2R新线性等价形式的对称模型，并论......
分析了传统远程访问控制方案中的不足，并基于视觉密码构造了一种高效、可靠的远程访问控制方案。方案中仅使用了视觉密码和对称密码......
国内300万m^3及以上的地下洞库高度在24～30m，断面超过300m^2，必须分层开挖，且设置几条进入各层开挖的横向通道。以某地下洞库为依托，对......
随着人脸识别算法在众多应用领域的迅猛发展,作为人脸检测和人脸识别中间步骤的人脸对齐算法日益受到重视。针对平面内的人脸图像......
研究了（2＋1）-维色散长波系统．首先，确定该系统的对称群，此对称群含有3个任意的光滑函数，然后利用某些子群，把系统约化为热传导方程和第二型......
研究了外在的离心力场对氯酸钠溶液结晶的影响,使用偏光显微镜考察了离心机的不同转速下,氯酸钠结晶过程中手性对称性破缺的统计结......
本文全面讨论了三维空间中关于点、直线、平面的对称问题,得出了一系列结论,完善了几何对称理论.......
针对三维模型上对称性提取效率不高的问题,在此提出了一种改进的对称性检测方法,该方法通过分析和计算三维模型上曲面的曲率特征,......
DNA序列与正四面体(RT)中的映象点(D格点)具有对应关系.一系列D格点形成晶格(D晶格).D晶格证明是面心立方晶格,并揭示了D格点的空......
正确、左的室从主要的心试管的二个邻近的片断被开发。尽管他们关于形状和力量是不同的，他们以行为反射对方。这是在心脏的功能评价......
