轨道计算

Furthermore, the changes of intrapair and interpair energies of valence electrons are very great in the different element-formed systems.

计算结果表明不同元素形成的HX(X=Li-F，HBe^+，HBe)体系，其价层电子对内、对间相关能的变化较大，它们之间存在着轨道差别，不宜将其相关贡献归为简单的常数。

Based on the theory of uniform transmission line and four-terminal net circuit, this paper presents a simulation model of ZPW-2000 jointless track circuit shunt current. A kind of numerical algorithm of shunt current is established with MATLAB.

运用均匀传输线和电路四端网理论，建立了ZPW-2000无绝缘轨道电路分路电流的计算模型，利用MATLAB软件实现了分路电流的数值算法。

By researching the obtained experimental data and theoretical results, it is found that the cross section higher than theoretical expected for orbital π〓 at low momenta caused by distortion effect.

通过对结果的研究发现了这两种分子π〓轨道在小动量区内实验值与理论计算值的较大差异，论证了这种差异可能是扭曲波效应而致。

For 9 pyrazole compounds,their geometry and electronic structures were analyzed by means of natural bond orbital theory;their reactivity was analyzed by electrostatic potential distributions,heats of formation and Bader density were also calculated.

在最稳定几何构型基础上，基于自然键轨道理论，分析了稳定结构的成键情况和吡唑环上的共轭性；用静电势图分析了吡唑化合物的反应性；理论估算了9种化合物的标准气态生成热和Bader密度；最后采用VLW方程计算了这些化合物的爆速、爆压。

For 9 pyrazole compounds, their geometry and electronic structures were analyzed by means of natural bond orbital theory; their reactivity was analyzed by electrostatic potential distributions, heats of formation and Bader density were also calculated. After that, detonation velocities and Chapman-Jouguet pressures of these compounds were given by means of VLW equation.

在最稳定几何构型基础上，基于自然键轨道理论，分析了稳定结构的成键情况和吡唑环上的共轭性；用静电势图分析了吡唑化合物的反应性；理论估算了9种化合物的标准气态生成热和Bader密度；最后采用VLW方程计算了这些化合物的爆速、爆压。

of calculating the adjusting resistance of frequency shift track circuit for normal state and shunting state is introduced.

本文介绍了移频轨道电路调整状态及分流状态调整电阻的计算方法。

The theory and method of quantum geochemistry were applied to study the energy factors of primary ore-forming elements and their geochemical characterizations. The crystal structure models of titanomagnetite and ilmenite were calculated by ab initio Hartree-Fock molecular-orbital method.

运用量子地球化学的理论和方法研究了该矿床的元素组合、分配及变化特征，并用量子地球化学的ab initio Hartree-Fock分子轨道法对钛磁铁矿和钛铁矿晶体结构进行了模拟计算。

In this paper,a new broken rope protection device for incline tramroad vehicle was stated.

叙述了一种新型的倾斜轨道运输车断绳安全保护装置——楔形增力断绳安全装置的工作原理，讨论了装置的设计计算，并结合实例进行了试验。

Aiming at the dissimilarity of space between crossties in paving tramroad of the moving bridge-erecting machine, some load experiments were did and a reasonable construction project was advanced combining to the finite element computing result.

还针对架桥机走行轨道铺设方式——枕木间距的不同，进行了荷载实验并结合有限元计算结果找出合理的施工方案。

At last, the paper discusses distortion detection methods of Magnetically Suspension Train project. With VisualBasic6.0, we opens out naturalization layout and precision assessing software which can compute layout data and assess precision well and truly to guide construction layout conveniently. Thus, the efficiency of work can be heightened. Opening out distortion inspect and analyze software, can ascertain base's settlement, peg tip' distortion and the movement of tramroad girder's plane position in course of construction and using. This can provide bases to later alike projects.

本文在VisualBasic6.0环境中开发的磁悬浮工程归化法放样与精度评定系统软件，在施工放样阶段能比较方便、直观、准确地计算出放样数据并进行精度评定，以指导现场施工放样工作，可以大大地提高工作效率；开发的变形监测与分析系统软件，可以在施工过程中以及工程运营期间对整个工程进行变形监测处理，用以确定基础沉降和桩顶变形以及轨道梁平面位置的变化，从而可以为以后的同类工程建设提供依据。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失