查询词典 luminous beam

This paper provides an overview of status about laser beam shaping at home and abroad. The theory of beam shaping transformation, including geometric optics and matrix optics, is presented.

本文综述了国内外对于半导体激光束整形技术的研究现状，阐述了研究光束整形变换的理论方法，主要包括几何光学、矩阵光学。

The first beam-beam collision event at RHIC at collision energy of square root s_NN = 60 GeV was recorded by STAR.

它可以在从入射能量到最高能量的一个很大的能量范围内运行。

Power for the tractor beam emitters is provided by variable phase graviton polarity sources feeding sub-cochrane subspace field amplifiers. Phase accuracy of less than 2.7 arc-seconds per millisecond is required for precise control of a tractor beam.

牵引光束发射器的动力供给是靠子空间的Sub-Cochrance范围放大器，来供给牵引光束使用的可变相位极性，为了要正确地控制牵引光束的相位正确性要求，因此其相位变化必须少於每毫秒的2.7弧秒。

Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,ChinaThe method of numerical simulation based on coordinate transformation and diffraction theory was adopted to analyze the beam characteristics of waveguide lasers with hard-edge unstable resonators.Output beam quality was investigated considering non-uniform pumping and gain saturation.

基于衍射理论和坐标变换，采用数值模拟的方法分析了硬边非稳腔平面波导激光器的光束特性，研究了存在非均匀抽运和增益饱和时，输出激光的光束质量。

By means of finite element analysis of ANSYS, this paper would analyze the behavior of the connections with beam-end horizontal haunch such as strength and ductility .The main contests are listed as follows: Firstly, build up the finite element model. Through comparing the finite element result to the test result, it proves feasible in finite element model to get the behavior of beam-column connections.

本文通过ANSYS有限元分析，对梁端翼缘扩大型节点的承载性能，延性等方面进行了研究，主要内容包括： 1建立有限元模型，并将有限元分析结果与试验结果进行对比，验证有限元分析的可行性。

In this dissertation, the differences between Heavy Wide Loom and ordinary loom in welt insertion, warp, abb, warp beam, heddle, speed and battening are pointed out. The development situation of Heavy Wide Loom is analyzed. The organization of Heavy Wide Loom and function of let-off system are discussed. The composition of let-off system is completely studied, which includes the detect system of warp tension, the control system of electron let-off and the drive system of beam.

本文首先指明重型宽幅织机与普通织机在引纬、经线和纬线、经轴、综片、转速、打纬等方面的区别，分析国内重型宽幅织机的发展现状，讨论了重型宽幅织机的构造和送经系统的功能，对送经系统的组成部分：经线张力感测系统、电子送经的控制系统、经轴的驱动系统进行分析与研究。

Most headlights on low beam are useful to around 70 - 90 metres and high beam is good for 150 - 200 metres.

大部分近光灯的有效照明范围是在70～90米左右，而远光灯的有效照明范围是在150～200米左右。

The beam characteristics may be found in the I-Beam Data.

梁的特点可以发现在I-Beam数据。

The supporting structure of the rig was of heavy I-beam construction fitted with three tubular legs welded to the I-beam ends.

支承结构的钻机是沉重的一梁施工装有3管状腿焊接到I形结束。

In order to save the rare expensive iceland crystal material and realize the 90° beam splitting on the base of high transmissivity and high extinction ratio, using two pieces of ZBaF3 glass and one iceland crystal slice, a new type of 90° beam splitting polarized prism was designed.

为了节省冰洲石晶体材料，并且在保证偏光棱镜高透射比和消光比的情况下实现光路的90°分束，采用在两块ZBaF3玻璃中间胶合冰洲石晶体薄片的三元结构方案，设计了一种新型的90°分束偏光棱镜。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。