查询词典 on the beam

The effects of self-stress, shear span to depth ratio and end plate on the shear performance of SSCFST short beam are studied.

由于自应力的存在，钢管混凝土构件的抗剪承载力有一定程度的提高。

In order to study the nonuniform temperature rise and thermal effect in the Yb:YAG crystal,based on the theory of semi-analytical thermal analysis and working characteristic analysis of Yb:YAG microchip with super-Gaussian beam end-pumping and back-face cooling,a new solution of heat conduction equation was introduced and the general expressions of temperature field,thermal distortion field and additional optical path differences of Yb:YAG microchip were obtained respectively.

为了研究抽运光在Yb：YAG晶体内产生的非均匀性温升以及引起的热效应问题，以半解析热分析理论为基础，结合超高斯光束端面抽运、背向冷却Yb：YAG微片工作特点分析，采用热传导方程一种新的求解方法，得出了Yb：YAG微片内部温度场、热形变场、附加光程差的半解析计算表达式。

Based on the above considerations, in this work, the transmission of a Gaussian beam nonnormally through a Fabry-Perot etalon has been investigated.

SLA已被广泛地应用到光纤通信系统的众多领域，由于其在高速光开关、全光波长转换、2R或3R再生以及在线放大等诸多方面均具有广阔的应用前景因而倍受人们关注。

The effects on the laser density and beam facula quality at far field are studied in particular.

激光传输由近轴波方程描述，采用像屏法和快速傅里叶变换技术求解。

It showed that the energy focusability of the diffraction beam depended on the transmission distance,diffraction aperture and facula radius,and appropriate energy focusability could be obtained by controlling some parameters of the optical system.

研究结果表明，衍射光束的能量集中度与传输距离、衍射孔径、光斑半径等参量有关，通过对光学系统参量的控制，可得到合适的能量集中度。

Based on the Collins formula, the analytical propagation equations for a Gaussian beam through a multiple spatial filter system are derived by using the methods of the matrix decomposition and expanding the aperture function into a finite sum of complex Gaussian function .

以Collins衍射积分公式为基础，利用A0CD矩阵分解与物理实现的技巧，以及将硬边光阑窗口函数展开为有限个复高斯函数之和的方法，推导出了高斯光束通过多级空间滤波器系统的传输方程，并用数值计算加以说明。

According to the principle of ring-like strands operation, the mechanical analytic solution of presressed concrete penstock under the uni-ring-like radial loads is given out based on the theories of elastic footing beam.

根据环形预应力作用机理，结合弹性地基梁理论，提出了单环预应力作用效应的计算方法和预应力混凝土压力管道施工阶段的验算方法。

In order to validate the effect of concrete carbonization accelerated by wind ,three groups of concrete beam carbonization experiment with different sections respectively (rectangle,Ttype and Ⅱ type ) were analysed. Based on the theoretical analyses and experimental results, it is concluded that the wind swirl and the fosse moat effect can also accelerate the concrete carbonization.

为了验证风对混凝土碳化的加速作用，本文分析了三种截面混凝土梁的碳化试验，依据理论分析和试验结果，得出风的旋涡和壕沟效应可以加速混凝土的碳化，完善了风加速混凝土碳化的理论。

The measuring technique is based on the Fraunhofer diffraction of the parallel beam of the mono-chromatic light by the moving droplets.

这种仪器是利用平行单色光束照射运动着的雾滴而产生夫琅和费衍射，通过傅里叶透镜将衍射光束会聚在多元光电探测器上，来测定其衍射光能分布，再通过小型计算机，将光能分布翻译成为相应的雾滴尺寸分布。

Based on the method that a rectangular function can be expanded into a sum of complex Gaussian functions with finite numbers, the propagation characteristics of a Gaussian beam passing through apertured spatial filter systems are analysed and the corresponding analytical formulae are obtained respectively.

根据矩形函数可以展开为有限复高斯函数之和的方法，从柯林斯衍射积分公式出发，对高斯光束通过受限空间滤波器传输特性进行分析，得到了相应的近似解析式。利用Matlab对其解析式进行数值模拟，得出一组直观的结果。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。