轨道的

The impacts of the urban elevated rapid railway on the urban environment and scene are analysed.

文中从快速轨道的高架线对城市环境和景观方面的影响进行分析，阐明了城市快速轨道走出地面不仅仅是由于经济方面的原因，其对城市环境的影响可以控制在人们接受的水平，其高架线路也可以对城市景观起到强化的作用，城市快速轨道走出地面节省建设资金有利于快速轨道交通网络的形成，对解决城市交通问题和改善城市环境更加有利的观点。

This thesis gives the introduction of the construction technique of a Slab Non-ballast Track, which has been used in the Shuanghe Bridge of Qin-shen Passenger Railway, and sheds light on a series of key construction techniques, mainly including: fabrication of the trackslab, research and production of CA sand mortar, construction of concrete bearing and convex retaining wall, paving of track slab, pouring of CA mortar mixture, construction of the filled cushion slab etc. All these will have the significant reference and application value for its employment to the construction of the city overhead to rack and the express railway.

论文介绍并总结了在秦沈客运专线双何特大桥采用的无碴轨道的一系列关键施工技术，主要包括轨道板的制造工艺、CA砂浆的研究及配制、混凝土底座及凸形挡台施工、轨道板铺设、CA砂浆灌注、充填式垫板的施工等技术，对城市高架轻轨、高速铁路桥梁等工程，此项新技术的推广具有重要参考价值和实用价值。

Invariant Manifold: An unstable periodic orbit in a Hamiltonian system (a general class of differential equations which includes the three body problem) have associated two families of orbits forming tubes connected to the periodic orbit.

不变流形：一个不稳定的周期轨道的哈密顿系统（一个微分方程一般类，其中包括三个体问题）有关联的两个形成连接管轨道周期轨道的家庭。

Herman and S.Skillman with Hartree method. inspected, sysetmatically the change of energy at atomic Valence Orbital from helium to lawrencium.

Skillman用Hartree方法计算得到的原子轨道能的数据(1963)为依据，系统地考察了从氦到铹原子的价层轨道能量变化情况，进而探讨了原子轨道的钻穿作用问题。

When the maglev train is running, the speed and position detection sensors are affected by the shake of the train and the joint of long stator track, also the size of the joint is different, which can badly affect the signal of the sensors in speed and position detection system. This can cause overcorrect or overvoltage protection in traction system and even can damage the traction equipment.

磁浮列车测速定位传感器在实际运行时，会受到列车震动和长定子轨道的接缝等影响，并且轨道接缝的尺寸也不相同，使得位置传感器在通过不同轨道接缝的时候产生不同的信号畸变，导致牵引设备过流或过压保护甚至烧毁。

In order to investigate the dynamic performances of the curved track structure,the dynamic properties of the strengthened track and the unstrengthened track were compared based on system engineering theory and vehicle-track coupling dynamics.

基于系统工程思想，运用机车车辆-轨道耦合动力学理论，对采取了强化技术对策后的山区铁路小半径曲线轨道的动力性能进行仿真计算，并与强化前轨道结构动力学性能进行了对比分析。

Since different orbit has different orbit characteristic, this paper analyses the accuracy of orbit determination for Translunar orbit and Mission orbit separtely.

嫦娥1 号的整个飞行过程包括以地球为中心的调相轨道飞行、地月系之间的奔月飞行轨道以及环月轨道的飞行。

When the disturbing potential of 1m2/s2 accuracy, or the approximate velocity of accuracy less 2mm/s in the formula of the rotation of the gravity potential is required, the satellite orbit data not satisfied the potential rotation computing demand are rejected from the GFZs Rapid Science Orbit and TUMs ReducedDynamic Orbit. If the disturbing potential is desired 05m2/s2 at satellite track, the satellite velocity required in formula of the rotation of the gravity potential should be recomputed or the GFZs Postprocessed Science Orbit is adopted.

当要求在卫星轨迹处获得1m2/s2精度的扰动位时，也即要求位旋转效应公式中卫星速度的近似精度小于2mm/s时，GFZ的快速科学轨道、TUM的约化动力法轨道只需要剔除那些速度精度不满足要求的卫星轨迹点；当要求在卫星轨迹处获得05m2/s2精度的扰动位时，应当重新估算上述轨道的速度信息，或采用精度更高的GFZ事后科学轨道。

The comparison to the interferential voltage in ballast track shows that the steel bar net of ballastless track enlarges the rail current proportion in traction current in certain degree, which raise the rail interferential voltage from the traction current slightly.

与有砟轨道的干扰电压进行对比分析的结果表明：无砟轨道钢筋网络在一定程度上增大了钢轨回流在牵引回流中的比例，使得牵引电流对轨道电路的干扰电压略有增大。

In a preferred embodiment, the guiding track is annular and is bounded by a circular cylindrical rolling surface (51) of the rolling track and a roller (35) of the driving member, said roller being rotatable about an axis of rotation (37) coinciding with a common central axis (39) of the guiding track and the rolling track.

在优选实施例中，导向轨道是环形的并且被滚动轨道的圆柱形滚动表面（51）和驱动件的辊子（35）限定，所述辊子能够绕着大致与导向轨道和滚动轨道的公共中央轴线（39）重合的旋转轴线（37）转动。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。