查询词典 variational

We investigate the phase transition s of Abelian lattice gauge theories at finite temperature with the variational cumulant expansion.

应用交分累积展开方法系统地研究了（2＋1）维和（3＋1）维的Z（2）、Z（3）、U（1）阿贝尔格点规范理论在有限温度下的相交。

Gradient visual angle, segment scene, variational planar space and anamorphic figure made up of his painting language.

倾斜的视角，截取片断似的场景，富于变化的平面空间，变形的形象都是他画面中的常用符号。

Then we present our studies on several novel quantum phenomena in the rotating and molecular BECs. In the averaged vortex approximation, a fast rotating BEC in an anharmonic potential is studied in variational method.

研究结果很好地解释了实验中所呈现出的许多令人迷惑的新奇现象；同时，证明了在非简谐振子势下，快速旋转的BEC中能够形成带多个单位角动量的涡旋。

Combining PRISM theory, MD simulation and Variational method, a single-site semi flexible model is proposed to describe atactic polystyrene melt.

结合PRISM理论、MD分子模拟和变分法，得到了可以描述聚苯乙烯熔体的单点半柔性链模型，提出了一个研究实际聚合物体系的有效方法。

As far as soil type are concerned, the transplant-enrichment of base in Calcic Soils is more abvious than Non-Calcic Soils,however, different soils type is variational.

就土壤类型而言，钙质土中全部盐基元素的迁移聚积均强于非钙质土，但不同具体土壤类型又有所变化。

A plenty of his literary works which theme is about country, from the crosspoint of realism and history's view, feel, collect, grasp and reflect the country's life in new period, which gives an historical outline of Chinese country's devious development in last decades of years and people's process of variational spirit.

他所创作的大量农村题材的文学作品，站在现实与历史相交合的角度上，感受、看取、把握、反映新时期的农村生活，勾勒出几十年来中国农村曲折发展的历史轮廓和人们的精神历程。

The electronic structures of Dawson anion(S2Mo18O62)4- have been calculated by the discrete variational method coupled with the first principal density functional theory.And the comparison with Keggin anion(SMo12O40)2- has been made.The results show that the electrons delocalize around the all anion.But the difference of the electronic distributi on of polar and equator sites exists.

使用第一原理密度泛函理论中的离散变分方法对（S2Mo18O62）4-的电子结构进行了理论计算，并与Keggin结构（SMo12O40）2-的电子结构作了比较分析，结果表明，（S2Mo18O62）中的电子离域地分布在整个阴离子骨架中，但极位和赤道位原子的电荷分布有明显差异。

The energy levels and vibrational spectra of MgF2:V2+ crystal are calculated by using discreate variational Xαmethod.

首次用DV-X_a方法计算了终端声子激光晶体MgF2：V2+的电子能级和振动结构，给出的晶场能级与实验值相当接近。

According to Fermat's theory and variational calculation, the mathematical model of sound path in dissymmetrical temperature field is established. Furthermore, the sound path equation is solved.

根据Fermat原理和数学变分方法，建立了非均匀温度场中的声传播路径的数学模型，并求出声线方程。

With the similarity between electromagnetical fields and structural mechanics, the electronic E and magnetic H are considered as two duality variables. With the variational principle, the system is introduced into symplectic geometry of Hamiltonian duality equations.

根据电磁场问题与结构力学的类比关系，把电场量E和磁场量H作为二类变量，通过变分原理寻求一般条件下的解法，将体系导入Hamilton对偶方程的辛几何形式，给出了电磁波导的Hamilton辛体系，并给出了辛本征值问题的表达形式。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。