Beam cross section and momentum spectra have been measured on the focal plane.
测量了聚焦面上的束流截面和动量谱。
The drift ratio of RC beams at yielding is related to the yielding strength of longitudinal bars and depth of beam cross section.
RC梁的屈服位移角与受拉钢筋屈服强度、截面高度有关；
After emerging from the lamp reflector, the p-polarized light would pass through a half-wave retarder that would occupy half of the beam cross section.
反射后的p偏振光将通过一个半波纠正器，将占用一半的光束截面。
The structure details such as the joint of side pier, anchor key of ties, steel-concrete transition section and front minor cross beam are introduced.
对该桥的边墩接头、系杆锚固键、钢混凝土接头及前次横梁等部分结构的细节设计做简要介绍。
When a curved beam is bending in the plane of the curvature, the neutral axis of cross section is not identical with the axis of gravity due to the influence of the initial curvature.
由于曲率的影响，曲线梁在其曲率平面内弯曲时的中性轴不通过横截面的形心。因此弯矩在形心处要引起正应力，从而引出所谓“等效轴力”的概念。
The stiffness matrix, equivalent nodal load and consistent mass matrix are derived for the beam element with variable cross-section.
导出了变截面梁单元的单元刚度矩阵、单元等效节点荷载和单元一致质量矩阵。
A new critical moment formula of tapered beam is proposed, which is similar to the expression for beams with uniform cross-section.
提出了新的变截面梁临界弯矩计算式，其表达形式与等截面梁的公式相同，便于工程应用。
Based on the demands of two limit states, the design control equations of cross section for prestressed concrete beam are derived and the direct design method is presented.
根据两类极限状态的基本要求，建立了预应力混凝土梁截面设计的控制方程，提出了直接设计方法。
The size and position of the cross section of support beam, the opening direction of beam channel.
表面处理形式、状态；支撑梁的截面尺寸和位置，槽钢的开口方向。
Gucheng bridge is a steel tube concrete bowstring arch and variable cross section continuous beam composite system through bridge with single load plate.
古城大桥是一座下承式单承载面钢管混凝土系杆拱与变截面连续梁组合体系桥梁。
Results show that if the cross-section of the axicon is ideally manufactured in circular symmetry, the field distribution behind the axicon is approximately an ideal Bessel beam.
计算结果指出，当轴棱锥的截面为圆对称的理想加工时，轴棱锥产生的光场分布为近似理想的零阶贝塞耳光。
The paper studied elastic-plasticity bending deformation of cross-section of unsymmetrical beam and found a solution of deformation.
对一般非对称截面梁的弹塑性弯曲变形进行了讨论，并通过分析得到了一近似种求解方法。
This paper gives an an illustrational proof to beam intensity distribution for narrow beam of rectangular cross section, and presents an accurate expression to calculating beam intensity.
本文对截面为矩形的窄束给出束强分布的图解法证明，并提出计算束强的精确公式。
Finite beam segment method is an effective way to solve the shear lag problem of statically indeterminate structure, such as continuous girder with constant cross section etc.
有限梁段法是求解超静定结构(如连续梁等)剪力滞行之有效的方法。
The project has used large-span secondary girder pre-stressed ceiling structure, which effectively reduces the beam cross-section height and ensures the total height and building height requirements.
工程中采用了大跨度次梁预应力楼盖结构，有效地降低梁的截面高度，确保层高和建筑物总高度的要求，此外还采用了超长混凝土结构无缝设计等新技术。
At the same time we can get the relationship between hollow circular laser beam and duty circle at different defocusing cross section.
同时得出了不同离焦量横截面上中空环形光斑的大小和占空比之间的关系。
In this paper, on the base of Ullmanski's hypothesis, the unified beam theory of thin walled open and closed cross-section and the governing differential equations are established.
本文将开口和闭口薄壁理论统一在乌曼斯基假设之下，建立开口和闭口薄壁杆件统一的基本微分方程序。
This program processes and analysis the laser beam cross-section image captured by CCD camera using digital image processing technology to get the beam quality parameters.
此程序利用数字图像处理技术对CCD摄像机采集到的激光光束截面图像进行处理和分析，以获得光束的质量参数。
This method may be used as a solution for a multi-span beam with variable cross section under conditions of various kinds of loads, supports and junctions.
此法可用于求解在各种载荷、支承及联接条件下的变截面多跨梁。
Steel-concrete composite beam with high capacity, good ductility, stiffness, member cross-section the advantages of small size.
钢-混凝土组合梁具有承载力高、延性好、刚度大、构件截面尺寸小等优点。
The deformations and the internal forces at a cross section of a beam are taken as state variables to formulate a general equation for computing the natural frequencies of non-uniform beams.
导出了用变形、内力作为混合状态变量表示的求解等截面梁的横向振动固有频率的普遍方程。
Calculations show that polarization degree of partial polarized light beam present certain distribution on the cross section of reflected output beam from interface.
计算表明一定偏振度的入射部分偏振光束经界面反射后，反射光束偏振度由于界面反射在反射光束截面上将产生一定分布。
First of all, numerical simulation of two-dimensional rigid main beam cross-section of the single beam gantry crane is carried out with five turbulence models.
本文首先将单梁龙门起重机主梁二维刚性截面放于五种湍流模型中进行数值模拟。
Gaussian beams can be judged and measured using a new method described here which measures only the intensities on four coordinate points in the same cross section of the measured beam.
提出一种判别和测量高斯光束的新方法。在截面内对任意等距四点采光测量，就可判别和测量此高斯光束。
Both heads of the upper cross beam are made into a section perpendicular to the lower cross beam.
本实用新型的主要技术是采用三个焊接点把一根上横梁，一根下横梁和一个挂钩焊接成一体。
The dynamic response of a free free beam with uniform rectangular cross section subjected to impact by a mass at both free end is analyzed theoretically.
对矩形截面自由梁在两端同时受到完全相同的集中质量横向撞击问题进行了理论上的研究 ，通过采用刚塑性的材料模型得到了其动力响应完全解。
And are analysed the influence on the two self-fields resulting from the finite cross-section of the beam and that resulting from the fact that the axes of the individual electrons don't coincide.
分析了电子束有限截面以及各电子的螺旋轨道不共轴对这二个自生场的影响。本文的结果有助于弄清螺旋电子束与其他电子束相互作用时的平衡态情况。
And are analysed the influence on the two self-fields resulting from the finite cross-section of the beam and that resulting from the fact that the axes of the individual electrons don't coincide.
分析了电子束有限截面以及各电子的螺旋轨道不共轴对这二个自生场的影响。本文的结果有助于弄清螺旋电子束与其他电子束相互作用时的平衡态情况。
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