查询词典 angle beam

Roll pass on angle steel rolling, I-beam rolling and U-section, etc. were intensively studied.

他对角钢孔型轧制的，工字钢轧制和U -型钢轧制等剧做过深入研究。

Determination of the metal deformation for the roll pass design and improvement of the section rolling process for I-beam, Angle steel, U-section, etc.

确定孔型设计的金属变形和改进的型钢轧制进程（工字钢，角钢，U型钢等）。

Main major domestic steel mills of 10 #-30 # I-beam, channel 5 ##-30,-20 # 3 # angle and various models strip, annual sales of 1 million tons.

公司主营国内各大钢厂的10#—30#工字钢、5#—30#槽钢、3#—20#角钢及各种型号带钢，年销量达百万吨。

The generalized Douglas scheme for variable coefficients is applied to wide-angle multistep finite-difference beam propagation method.

交叉波导是集成光学中一种重要的器件单元，它的应用包括制作能量分配器、光开关[1] 、低损耗低串音的交叉光路网络等。

Similarly, to position the beam below the boresight axis requires the use of a negative angle .

同样的，要使波束低于视轴线要求负的角度。

As a result of oblique angle, the calculation of oblique beam bridge structure is more complex.

斜梁桥结构计算中，由于斜交角而使其更加复杂。

The present invention is a fiber optic waveguide adapted for focusing a beam of light at an obtuse angle to the optical axis.

本发明涉及一适用于将光束以钝角聚焦到光轴上的光纤波导。

The incident angle of parallel light beam is hard to measure accurately in a large measurement range.A measurement method based on the optical vernier measuring principle,which is more accurate,is presented in this paper.

为解决平行光入射角度精确测量时，很难同时实现高精度和大量程两方面的测量性能要求的问题，提出了一种基于光学游标测量原理的大量程条件下的高精度平行光入射角度测量方法及测量装置。

The invention relates to a light pumping system for all-solid laser, particularly a light pumping system for disc type laser, comprising heat sink, laser crystal, optical fiber, plane reflector, a first concave reflector, a second concave reflector, and a third concave reflector, and adopting a structure that the plane reflector is between the optical fiber and the first concave reflector, to make the LD and laser cavity on the same side of the laser crystal, thus reducing the packaged size of the laser; the invention fixes the plane reflector on the heat sink to reduce the inclined incident angle of the pumped light beam, thus the pumped light can be fully absorbed, and the invention solves the problem of pumping efficiency and largely reduces the bulk of the laser, beneficial to the all curing of the product and ensuring the cooling requirement of the laser crystal.

本发明涉及全固体激光器的光泵浦系统，特别是一种盘式激光器的光泵浦系统。包括热沉1、激光晶体2、光纤3、平面反射镜4、第一凹面反射镜5、第二凹面反射镜6、第三凹面反射镜7，本发明采用平面反射镜位于光纤与第一凹面反射镜之间的结构，使LD和激光腔位于本发明激光晶体的同一侧，从而减小了激光器的封装尺寸；本发明将平面反射镜固定在热沉上，使泵浦光束斜入射角减小，泵浦光则能充分吸收，为此，本发明解决背景技术采用第一凹面反射镜使泵浦光束斜入射角过大引起的像散，泵浦光斑变形引起泵浦效率降低问题，使得本发明可选用大面积半导体制冷器，避免使用水冷，则激光器的体积大大减少，有利于产品的全固化，保证了激光晶体的散热要求。

Under the condition of small angle misalignment, the effecton output beam's near-field distribution of CO2 lasers with two-dimensional axisymmetric-fold combination cavity was ascertained after analyzing and simulating beams combination output based on the axis determination of misaligned plano-concave and concave-plano-concave cavity resonator.

为了研究小角度失调对二维轴对称－折叠组合腔CO2激光器输出光束的近场分布的影响，在利用矩阵理论确定平凹谐振腔和凹－平－凹谐振腔失调后的光轴的基础上，采用光束并和思想，对输出光束进行了理论分析和模拟。

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。