| 1. | Comprehensive reinforcement technique of bridge approach bump disease in the construction of transition section
过渡段施工桥头跳车病害的综合加固施工技术 |
| 2. | The conveyor belt is turned from flat belt into tubular one at transition section , with the result that great additional deformation and stress in both side of belt , decrease in the belt safety factor
摘要在圆管带式输送机过渡段，输送带由平形变成圆管，其边缘会产生较大的附加变形，产生附加应力，使输送带安全系数下降。 |
| 3. | By means of geometric analysis of belt deformation in transition section , the paper introduces how to calculate the length in transition section , with considering extension ratio of belt and the difference between head a and tail of extension section
本文通过对过渡段输送带变形的几何分析，综合考虑输送带伸长率以及头尾过渡段区别，给出圆管带式输送机过渡段长度的理论计算方法。 |
| 4. | 2 . to design an axial magnetic field . the cathode lies in 0 . 4 - 0 . 7 of peak value of the magnetic field and excursion channel in a uniform magnetic field to suppress space charge effects ; to design transition section between the gun and excursion channel in converse computation . 3
选择电子枪阴极处于轴向聚焦磁场峰值的0 . 4 - 0 . 7倍处;漂移通道(互作用区)位于均匀轴向聚焦磁场中,以抑制电子束的空间电荷效应;使用反算法设计电子枪和漂移通道之间的过渡区。 |
| 5. | The results indicate that the flow velocity is lower and the pressure is high in majority of the step cylinder , the distinct variations of the flow field occur in the threshold of the step cylinder at the bottom and the abrupt transition sections , the holes in the inner and outer tubes and the exhaust hole
结果表明：步进缸内大部分区域流体流速较小，压力较高，且变化不大，发生明显变化的部位主要分布在步进缸底部水管入口及截面突变处、内外套对孔处和排气孔处。 |
| 6. | Abstract : a mechanical model to analyze the dynamic performance of train and transition section between roadbed and railway bridge was established a nd a series of reasonable criterions were put forward too . based on this , the init ial deformation of rails due to different subsidence of roadbed and bridge abutm ent , the effects of the direction and speed of train on the dynamic performance o f wheel / track system were studied . at last , the method to determinate the length o f transition section was suggested
文摘:建立了列车与路桥过渡段动力特性分析模型，确定了一套轨道过渡段动力特性的评价指标，分析了由基础沉降差引起的钢轨初始变形以及行车方向、行车速度对轮轨系统动力性能的影响，提出了确定路桥过渡段长度的方法。 |
| 7. | Applying an exact modal propagation analysis method and self - imaging theory , i analyzed the principle of mmi coupler . then , the self - imaging effect in graded - index waveguide has been analyzed and simulated using three - dimensional bpm . considering normal technology error , a low loss y - branch structure ( symmetric or asymmetric ) with a multimode waveguide transition section is introduced and designed
在设计y分支波导结构时，考虑常规工艺误差的影响，引入多模波导作为y分支波导结构的过渡区，利用参数空间搜索法来设计结构参数，实现低损耗的y分支结构。 |
