shaped beam

Prestressed U-shaped thin shell aqueduct belongs to the thin-wall beam construction.

预应力U形薄壳渡槽属于薄壁梁结构。

Stress Concentration Factors for Three-Point Bending Beam with Single-edge U-shaped Notch

U形切槽三点弯曲梁的应力集中系数

A test-piece is shaped into a beam of about 20 cm length and its upper surface is highly polished. The test-piece is bent convex upwards; on that occasion one had better plan the maximum bending stress to be about 20 bar or less.

试件加工成20cm长的梁，并高度磨光其上表面，把它弯成向上凸，其最大弯曲应力宜为20bar或稍小一些。

In order to enhance the actuating force, placing V-shaped beam actuators in parallel an effective way.

为了提高微执行器的驱动力, 采用将V型梁并联组成阵列的结构.

The concept of extra cosecant square antenna is described in this paper. The analysis and computational formulas of doubly curved reflector antenna with shaped beam are conducted in all details. The computing software diagram, designing method, the computational and practical results are also given.

介绍了超余割平方天线的概念，详细推导了双弯曲反射面赋形波束天线的分析、计算公式、计算软件框图、设计方法以及针对某一天线方向图的计算和实测结果。

With development of the national economy, the application of H shaped steel beam is expanding gradually.

随着国民经济的发展, H型钢梁的应用范围不断扩大.

Study on mathematical models for dead load forming of saddle shaped plates based on the beam theory

应用梁理论建立鞍型板自重成型的数学模型

By means of SiO 2 mask and SF 6 etching corrosive, the cantilever beam with tip is shaped by reactive ion etching once through operation. The probe has been shaped by wet corrosive and the tip radius is about 50 nm.

以SiO2为掩模，SF6刻蚀硅，用RIE与各向同性湿法化学腐蚀相结合使悬臂梁探针一次成形和用湿法腐蚀锐化探针，针尖半径约50nm。

This thesis carries out the pseudo static test, which are subjected to vertical loads and horizontal cyclic loads, respectively on two specimens, including the framed short-leg shear wall inclined column-shaped transfer plane framework and the same dimension beam-shaped transfer structure frame.

本文分别对一榀框支短肢剪力墙斜柱式转换框架及一榀相同尺寸的梁式转换框架两个试件进行了竖向荷载和水平低周反复荷载共同作用下的拟静力试验。

In the thermal fatigue test of cylinder head, the shaped laser beam is chosen as the heating source to simulate the real fatigue.

气缸盖激光热负荷试验采用整形激光束作为热源模拟实际工况下气缸盖承受的热负荷。

Study on the radiation characteristics of a shaped beam reflector antenna under the multi-hole damnification

多孔毁伤时赋形反射面天线辐射特性的研究

As examples, both a multiple circumferential slotted coaxial antenna and a microstrip slot array are designed using this method to achieve shaped radiation pattern. The shaped beam is realized by adjusting the feed line that composed of stepped impedance lines.

作为应用实例，用此算法设计了串联馈电的波束赋形天线，提出了使用阶梯阻抗线对微带缝隙和同轴缝隙串联馈电以实现赋形波束设计的方法。