查询词典 variational method

At the same time, variational equations, their finite element formulations and numerical convolved integration algorithm of the model in current configuration usually called co-moving coordinate system are given.

基于非线性几何场论，建立了材料非局部连续模型、变分方程及相应的实时拖带系大变形有限元数值模型，设计了这一模型的数值卷积算法。

It is organized as follows:In Chapter 1, we introduce proximal point algorithms" framework and current research situation, optimization problems and variational inequalities" background and current research situation, and some basic concepts and lemmas, which are used in this dissertation.

本文具体安排如下：第一章简要介绍了邻近点算法的基本框架和研究现状，最优化问题和变分不等式问题的背景和研究现状，以及本文需要用到的一些基本概念和引理。

In the dynamics of total litterfall and litterfall components, there were seasonal variations and leaf was the basis. Nutrient content of most elements and litterfall have alike variational trends. Above-mentioned results exhibited that leaf had the conclusive influence on total litterfall and nutrient content.

总枯落量与枯落物各组成分均有季节性变动，且皆以枯落叶为主(70-75%)，而枯落叶与枯落物内多数元素的养分含量与其总枯落量有相似的变动趋势，以上结果显示枯落叶对总枯落量及养分含量有决定性的影响力。

At last, the variational rules and characteristics of reserving water quality are studied.

最后，对大中型贮水构筑物内贮存水的水质变化规律和水质特征进行了探讨，提出了贮水工艺。

The combination with the Calculus,physics,especially variational principles and geometry is one of the features of tiffs dissertation.

本文在查阅大量原始文献和相关研究文献的基础上，利用文献分析和比较研究方法，以&为什么数学&为切入点，结合微积分学、物理学以及几何学等背景，对变分法的起源和创立进行了系统分析和研究。

My research tries to find the variational characteristics of the lung cancer patients'sublingual venae, which can be use as the basis for general investigations of highly dangerous people, and diagnose and treat lung cancer patients in the early stage. It will be play an important role in improving the level of peoples'health.

将研究对象分为4组，观察组选择经病理学检查或细胞学检查确诊的152例原发性支气管肺癌患者，其中男88例，女64例，平均年龄60.04±11.98岁，临床分期Ⅰ期32例，Ⅱ期26例，Ⅲ期52例，Ⅳ期42例，经病理确诊的共81人，其中非小细胞肺癌66例，小细胞肺癌15例。

Angular Momentum Algebra, Addition of Angular Momenta, Identical Particle Effect, One Dimensional Periodic Quantum Systems, Introduction to Quantum Statistical Mechanics, Time-independent Perturbation Theory, Fine Structure, WKB Approximation, Variational Principle, Aharonov-Bohm Effect, Quantum Transition.

量子力学( S0583)(0，3)角动量代数、角动量加成、等同粒子效应、一维周期性量子系统、量子统计简介、定态微扰理论、精细结构、 WKB 近似、变分法、 Aharonov-Bohm 效应、量子跃迁。

In this review we provide new application of variational transition state theory -inreaction at gas-solid interface ,with emphasis on dissociation absorption of gas-phase moleculeon the surface of face-centered cubic crystal.

提供了变分过渡态理论的新应用－用于气固界面上的反应，重点是气相分子在面心立方晶体上发生的解离吸附反应，给出了反应的物理图象，用新的势能面计算了H＿2在Ni（100）面上的解离吸附的速率常数，结果与Truhlar的结果相符。

In the third chapter,the electronic structures of the perovskite oxides,LaMnO3and CaMnO3,are studied for the first time by using the discrete variational clustermethod.The ground states of different magnetic symmetriesincluding ferromagnetic(FM,A-type antiferromagnetic,and G-type antiferromagnetichave been calculated.

第三章，首次尝试用团簇方法处理具有周期结构的镧锰氧化物类体系，给出了不同磁结构下(铁磁、A型反铁磁、G型反铁磁)LaMnO3和CaMnO3的电子结构，发现团簇方法可以模拟得出体的性质。

The variational trend of diversity index is county center＞south＞northeast＞northwest.

多样性的变化趋势是中部＞南部＞东北部＞西北部。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。