Ions accelerated by the electric field in the sheath form a shape of beam and a flux distribution on the target surface, which are strongly dependent on the applied voltage.
离子被鞘层中的加速电场加速，以束流的形式注入到工件表面，而束流分布的情况与作用电压有着十分密切的关系。
In that case, CERN would adjust the strength of compensating magnets to coax the beam back into shape.
遇到这种情形，CERN将调整补偿磁铁的强度以诱使粒子束重新回到平面上。
This photomicrograph was obtained by scanning a beam of electrons across the sample while a detector kept track of electrons bouncing off its surface, betraying the specimen's outer shape.
这幅显微照片是通过扫描穿过样品的电子束而获得的，同时检测器对从样品表面反弹的电子进行追踪，这些电子显示了标本的外形。
A cantilevered beam is anchored at only one end; a fractal is a shape that can be split into parts, each of which is a smaller, though sometimes not exact, copy of the larger structure.
这个悬臂结构只有一端固定；所谓分形，就是指能够分叉成多个部分的结构，每个子结构与母结构是大体近似的。
Students will determine the relative stiffness of two aluminum beam test specimens of equal cross sectional area but different cross-sectional shape and see how they conform to theory.
学生要确定两个横截面面积相同而形状不同的铝梁实验样本的相对刚度，并研究结果如何与理论一致。
Shape memory alloy wires can increase the critical temperature of the beam, and also can restrain thermal buckling occurring or make the post-buckled beam back to initial equilibrium states.
形状记忆合金丝还能提高梁的热屈曲临界温度，抑制梁热屈曲的发生或使已发生热屈曲的梁回复到原来的平衡状态。
The effect of field strength, initial phase, bunch shape and charge on electron beam transverse emittance is also explored by numeric simulation method.
利用数值模拟方法研究了加速场强、注入相位、束团大小、形状、电荷等因素对束流横向发射度产生的影响。
Calculation method of kinematic parameters for the unusual shape beam pumping unit.
异形游梁式抽油机运动参数的求解方法。
The bridge, designed as a timber glue-laminated beam (u shape), does not burden the perception of the space, bearing simple appearance of a large solid piece of timber.
这座被设计为胶合木板梁(U型)的桥没有视觉上的沉重感，它由外形简单的固体木块构成。
Shape optimization of a taper cantilever beam is presenting.
讨论变截面悬臂梁的形状优化。
This paper has also discussed the influence of section shape of steel beam on the heating transfer.
本文还进一步讨论了梁截面形状对传热性能的影响。
The transport matrix method is used to analyze internal forces and displacement of arbitrary cantilever horizontally folded beam under arbitrary shape and arbitrary loads.
应用传递矩阵法，可方便地解决任意形状、任意荷载作用下悬挑水平折梁的计算问题。
The shape function matrices and the element stiffness matrices of the pile elements in layered media are derived by adopting the Beam - On - Dynamic - Winkler - Foundation model.
采用动力文克尔地基梁模型，推导了层状介质中桩单元的形函数矩阵和单元刚度矩阵。
The proposed photon virtual source model is suitable for accurately simulating arbitrary shape and intensity distributions of external beam.
本文提出的光子虚拟源模型能够较为精确地模拟计算任意形状和强度的外照射放射治疗射束分布。
The shape of the emittance contour of a charged particle beam can be described by the contour function.
带电粒子束发射相图的形状可用相图函数描述。
The curvilinear virtual laminated beam element, which is based on a new type of virtual laminated element and can be used to the shape optimization that often causes the change of the boundary shape.
本文在虚拟层合单元的基础上，为适应形状优化时边界变化的特点，构造了曲线分层的虚拟层合梁单元。
A photon virtual source model was developed for simulating arbitrary shape and intensity distributions of external beam using Monte Carlo method.
本文应用蒙特卡罗算法建立了一个光子虚拟源模型，用于模拟计算任意形状和强度的外照射放射治疗的射束分布。
These two algorithms have no constraints on the array shape and they can easily be applied to beam outputs of uniform circular arrays which are often used in underwater systems.
这两种算法对阵列的形式没有限制，可以应用于水声系统中常见的均匀圆阵波束输出。
A calculation method to calculate the surface shape error of rhombic prism according to parallelism demand of emergent beam is introduced.
介绍一种根据出射光平行度要求计算斜方棱镜面形误差的方法。
The roof of the exhibition center is a cable tensioned box steel shape beam structure, and the roof of the reception hall and the conference center are I shape steel beam structures.
展览大厅的屋面为弧形大跨度拉索焊接箱型钢梁结构，接待厅和会议中心的屋面为工字型钢梁结构。
The numerical results obtained showed that the present reference surface element model has reliability and practicality to predict frequencies and mode shape of delaminated beam structures.
数值计算表明了，该参考面模式对干预测分层梁结构的振动频率和模态的正确性、实用性。
In this paper, the dynamic stability and chaotic motion of a shape memory alloy beam subjected to an axial dynamic load is studied.
研究了受轴向载荷的形状记忆合金梁的动力稳定性与混沌运动。
The prestressed ring beam of the main stadium of Nanjing Olympic Sports Center has a complex shape and its construction is very difficult.
南京奥体中心主体育场预应力环梁造型复杂、施工难度大。
The vibration of a special kind of nonlinear thin plate shape beam with pulsating fluid is calculated and analyzed in this paper.
对一类特殊的非线性薄板梁结构受振荡流作用下的振动情况进行了计算和分析。
The analysis results show that the solution of DT function exists for the ion beam removal functions of Gaussian shape.
分析结果表明，对于高斯型的束函数，驻留函数解总是存在的。
The effects of the cathode surface electric-field and electron initial velocity on the electrode shape and characteristics of electron beam are calculated and analysed.
计算分析了阴极表面电场与电子初(？)对电极形状和电子注特性的影响。
The entry section shape and the reasonable design of inclined beam were determined according to the analysis of key blocks and the results of numerical simulation.
由关键块的分析和数值模拟结果，确定了综放沿空小断面留巷的断面形状，给出了斜梁的合理支护设计。
At the same time, influence of the matching beam location to bridge geometric line shape is pointed out.
同时说明了匹配梁定位的精度对桥梁几何线型的影响。
An electron gun code is used to simulate the electron trajectory, the influence of electrode shape, magnet field, electron trajectory on the electron beam have been studied.
利用电子枪模拟程序对电子轨迹进行模拟计算，研究了电极形状、磁场分布以及电子轨迹与电子注参量的影响，为磁控注入电子枪的设计提供了理论依据。
The steel roof of Tsingdao international sailboat center for 2008 Olympic Games is so special that its shape is of an arc, which is made up of H-beam and pipe column.
青岛国际帆船中心是2008年奥运会帆船帆板比赛用场地之一，其钢屋面结构比较特殊，单榀平面结构为圆弧形H型钢梁和圆管柱铰接而成。
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