查询词典 couple-electron pair approximation

In the paper, the simulation model of port plate/cylinder block frictional pair in which the lubricating film forms was established according to force balance equation and flow continuity equation with SIMULINK of MATLAB. The frictional pair includes of damp groove type continuous oil supply port plate /cylinder block frictional pair and semi-perimeter double oil groove type periodical oil supply port plate /cylinder block frictional pair.

本文根据配流副数学模型中的力平衡动态方程和流量连续方程，利用数学仿真软件MATLAB中的SIMULINK工具包分别对阻尼槽型连续供油配流副和半周槽双油腔间歇供油配流副建立了润滑膜形成的仿真模型，并对不同工况下的这两种配流副润滑膜的形成及变化规律进行动态仿真研究。

It is a further object of the invention to provide a method of assembly of a foldable plastic slider comprising a body having a depending separator finger and a pair of foldable wings, with a profiled plastic reclosable fastener particularly suited for thermoplastic bags for opening and closing the fastener comprising the steps of positioning a plastic bag having a plastic reclosable fastener along the top edges of the front and back faces of the bag to receive the foldable plastic slider in straddling relation, the fastener comprising a first interlocking element having a female fastener profile attached to one of the faces of the bag and a second interlocking element having a male fastener profile attached to the other face of the bag, inserting the plastic separator finger between the first and second interlocking elements, and forming the slider in straddling relation around the male and female fastener profiles at the top edges of the bag by folding the pair of wings downwardly toward the plastic separator finger and against the opposite sides of the body, and securing the pair of wings to the opposite sides of the body in fixed relation with the separator finger to form a pair of side walls for the slider whereby movement of the slider in one direction opens the fastener elements and movement in the opposite direction recloses the fastener elements.

资讯科技是提供一个组成一个有一只靠区分者手指和一双可折叠的翅膀身体的可折叠的塑料滑动器的一个集会的方法发明的一个较进一步的物体，由于一特别地描绘塑料的 reclosable 牢系工具轮廓为打开而且关闭组成放置一个沿着袋子的前面和后面脸的最高边缘有一个塑料的 reclosable 牢系工具在跨立关系方面接受可折叠的塑料滑动器的塑料袋子的步骤牢系工具为热后可塑性的袋子适合，组成一种第一的联锁元素的牢系工具对袋子的脸之一和一种第二种联锁的元素附上女性的牢系工具描绘附上男性的牢系工具描绘到另一个袋子面对，插入塑料的区分者手指在第一和秒联锁的元素之间，而且形成滑动器在向塑料的区分者手指向下地在折叠双翅膀旁边的袋子最高边缘在男性的和女性的牢系工具的周围跨立关系描绘方面和反对身体的相反边，而且固定到与区分者手指的固定关系的身体相反边的双翅膀为一个方向的滑动器的运动打开相反的方向牢系工具元素和运动的滑动器形成一双旁的墙壁再关牢系工具元素。

The relationships among perfect punctured binary array pair, quasi-perfect and double quasi-perfect punctured binary array pair is presented. Specially, when first and second dimension period of the punctured binary array pair are odd, the perfect punctured binary array pair, quasi-perfect and double quasi-perfect punctured binary array are able to change each other.

定义了准最佳屏蔽二进阵列偶和双准最佳屏蔽二进阵列偶，研究了它们的变换性质和频谱特性，给出了它们存在的组合允许条件，利用这些组合允许条件，有效地搜索出若干准最佳屏蔽二进阵列偶和双准最佳屏蔽二进阵列偶。

All lines showed a chromosome number of 2n = 42, five of them carried botha pair of wheat-rye (Triticum aestivum-Secale cereal ) 1BL/1RS translocation chromosomes and a pair ofAgropyron intermedium chromosomes, three carried a pair of Ai chromosomes only, three otherscarried a pair of 1BL/1RS chromosomes only, and one carried neither 1BL/1BS nor Ai chromosome.

结果表明，12份材料染色体数均为42，其中5份材料均具有一对小麦-黑麦(Triticum aestivum-Secalecereal)1BL/1RS易位染色体和一对中间偃麦草染色体、3份材料只具有一对中间偃麦草染色体、3份材料只具一对1BL/1RS染色体、1份材料无1BL/1RS和中间偃麦草染色体。

We calculate its radialization correction and make the correlative discussion,obtain the cross section of electron-antielectron collision under chain approximation,and compare the tree-level cross section with the cross section under chain approximation.

对其辐射修正作了相关的计算和讨论，从而得到了电子-正电子碰撞在链近似下的散射截面，并与最低阶的散射截面作了比较

The primitive notion in rough set theory is a pair of upper and lower approximation operators induced by the basic structure, an approximation space, consisting of a universe of discourse and a binary relation on it.

粗糙集理论的核心算子是从近似空间导出的一对非数值型算子-上近似算子与下近似算子，这一对近似算子是整个粗糙集理论与应用的基础。

Firstly, some fundamental knowledge, such as the describing of laser field, the Kind of electron-atom scattering in a laser field, and so on, are introduced. Then a compution method which is called the Second-order Born approximation and is used to calculate the cross section of electron-atom scattering in a laser field, is provided.

本文首先介绍了激光场的描述、激光场中电子—原子散射的分类等相关理论，接着详细描述了一种计算激光场中电子—原子散射截面的方法——二阶玻恩近似理论。

Applying atomic many-body theory to analyse the Goldston diagrams of effective Hamiltonian and wave operator about electron-electron correlation for open shell atoms, we use a simple method to evaluate the effective Hamiltonian and calculate the correlation effectes of Corbon with HFS model as a zeroth order approximation. Making contrasts with the experiment and the calculation based on HF model we get pleased results.

应用原子多体理论对开壳层原子中电子关联效应的有效哈密顿量及波算符的Goldston图进行了分析，在此基础上得到了计算有效哈密顿量的简单方法；以HFS模型为零级近似对中性碳原子基态的关联效应进行了计算并通过与实验结果及其他文献基于HF模型进行的计算相比较，得到了令人满意的结论。

First, we have developed a multi-reference configuration interaction method based on the separated electron pair wave functions, SEP-CI approach, as an approximation to the traditional CASSCF method.

一，我们发展了基于隔离电子对波函数的组态相互作用方法，这是一种新的多参考态电子相关方法。

Following the theoretical analysis, binary and ternary miscibility gap have been systemaiically calculated by the CVM. In particular the critical temperatures were deduced in the CV-pair approximation; A method for deriving energy of atomic pair from the mixing enthalpy or the excess Gibbs energy in the Subregular Solution Model was developed.

通过巨势几何性质的分析，明确了开系中巨势、有效化学势和偏摩尔Gibbs自由能的定量关系，建立了一种以巨势以及有效化学势相等为判据计算两相平衡的新方法，使开系与闭系中任意模型描述的稳态与亚稳态相平衡计算均可以通过求巨势—有效化学势曲线的交叉点来实现，从而避免了相平衡最优化计算方法中的收敛性问题。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。