查询词典 beam-focusing

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 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。

The whole process of moment-curvature relationship for RC beam was analyzed with the relative depth of compressive zone of the beam about 0.15 using the strip integral method and computer programme. The relationships between moment and strain of concrete, strain of steel, depth of compressive zone were got.

采用条带积分法，应用计算机编程，对相对受压区高度为0.15左右的钢筋混凝土梁的弯矩－曲率关系进行全过程分析，得出弯矩－曲率关系曲线，并给出弯矩与混凝土应变、钢筋应变及梁的相对受压区高度的对应关系。

Based on the Bernoulli-Euler beam\'s plane cross-section hypothesis under flexure and Vlasov\'s rigid contour premise under non-uniform torsion,a spatial thin-walled beam element with 2 nodes and 14 DOF is developed by independently interpolating bend angles about two prime inertial axes of cross section and warp angle with an interior node set at the midpoint of the element length and the goal is achieved.

根据Bernoulli-Euler梁弯曲变形的平截面变形假定和Vlasov约束扭转的刚周边假定，通过设置单元内部结点，对弯曲转角和翘曲角采用独立插值的方法，建立了2结点14自由度的空间梁元，实现了上述目标，并将其应用到结构的非线性分析中。

Property comparison of optical thin films prepared by E-beam,ion assisted deposition and ion beam sputtering.

电子束、离子辅助和离子束溅射三种工艺对光学薄膜性能的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。