查询词典 beam splitter

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。

Ion beam induced charge technique with low beam current and high efficiency is a new development of nuclear microscopy.

离子束诱导电荷显微术是核子微探针显微成像技术的又一新发展，它具有低束流、高效率的特点，已被广泛应用于半导体材料和微电子材料研究中。

When reflectivity of thin film surface is bigger, it is inexactness that interference between double light beam is only taken into account, the interference between multiple light beam must be taken into account.

当薄膜表面的反射率较大时，只考虑薄膜产生双光束干涉是不严格的，必须考虑多光束干涉。

The ECR ion source,beam line from ECR to SFC and electrostatic inflector have been designed and installed to increase ion species and beam intensity.

安装了ECR离子源及其外注入系统后，增加了离子种类、提高了束流强度。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。