The con figuration of aplanat for making high resolution X-ray Zone plate to be used in beam line of Synchrotron Radiation Laboratory is also presented.
文中还给出了在同步辐射实验室显微术光束线中用激光干涉法制作高分辨率软X波带板的光学系统。
The experimental result shows that the depth of hardened zone and smoothness of surface can be controlled conveniently by varying the power output beam diameter and scanning rate of laser light.
试验表明:通过调节激光器的输出功率、光斑直径和扫描速度可以方便地控制熔化层深度和表面平整度。
Focus - Beam-forming creates a zone and suppresses noise outside it to enable whoever is speaking to be heard with amazing clarity.
焦点-波束形成创建一个区域,抑制噪音,让外面的不管是谁讲要以惊人的清晰听到。
The main parameters in tests are the percentages of longitudinal steel in beam, the percentages of stirrups in beam plastic zone and the volumetric percentages of stirrups in joint core.
试件的主要研究参数为梁纵向钢筋配筋率、梁塑性铰区配箍率以及节点核芯区体积配箍率。
The experimental result shows that the hollow beam generated from the Fresnel Zone Plate based on a TFT-LCD has the advantages of real-time adjustability, simplicity and accuracy.
实验结果表明,基于TFT - LCD的菲涅尔波带片生成的中空光束具有实时可调、快捷和精确等优点。
This paper analyzes the local stress in the anchorage zone of cable-beam and cable-tower with three-dimensional finite element model for providing the reference to similar works.
本文建立索梁及索塔锚固的三维有限元模型,分析这些部位的局部应力。
The cable anchoring zone on the cable tower of the Wuhu Yangtze River bridge is of pre stressed reinforced concrete box structure without intermediate beam.
芜湖长江大桥桥塔拉索锚固区为预应力混凝土箱形结构,无中间梁,索塔锚固区为单箱单室结构。
At the same time, some design and construction Suggestions of strengthening beam in joint zone what can be a reference for most engineering technologists are given.
同时,针对节点区梁端的加固设计和施工提出了建议,供工程技术人员参考。
The finite element model with shell element and beam element was established, the mechanical behavior of anchorage zone under the most unfavorable load was analyzed.
采用 板壳单元和梁单元建立了索 梁锚固结构的有限元模型,对索 梁锚固区在最不利荷载 组合作用下的受力性能进行了研究;
The Ni based alloy powder surfacing layer was obtained by light beam surfacing on the 45 steel and the microstructure of heat affected zone(HAZ) and the phase of the surfacing layer were studied.
采用聚焦光束热源在45钢母材上获得了镍基合金粉末堆焊层,研究了堆焊层的物相组成及母材热影响区的微观组织特征。
This paper studies the focusing characteristics of Gauss beam passing through zone plate based on the characteristics of zone plate.
从波带片的特性出发研究高斯光束通过波带片的聚焦特性。
Based on the theory of the multi-beam amplitude comparison DF of the new-style radar detector, the DF blind zone of multi-beam radar detector on inner site is analyzed in this paper.
从新型雷达侦察机多波束比幅测向原理出发,对新型雷达多波束侦察机多波束比幅测向内场仿真试验引起测向盲区问题进行了分析,为正确评估电子战侦察设备整体性能提供帮助。
Preparing principle and preparation technology of Mo and Mo-Nb alloy single crystal and structure and component of electron beam floating zone melting are introduced.
介绍了钼和钼-铌单晶的制备原理、制备工艺及电子束区域熔炼炉组成结构。
The results indicate that flat-top beam shaping and single-circle beam shaping at the focal plane can all be realized by using three-zone annular phase pupil filters.
模拟结果表明,利用三环相位光瞳滤波器,不仅可以在焦面上实现光强的平顶分布,而且还可以得到单环衍射光束。
It can also avoid pretermission of plating, burnout of zinc layer on weld beam and heat affected zone, and other limitations on the inner surface of fuel tank made of galvanized sheet.
从而避免了传统电镀锌板直接焊接成型油箱内表面漏镀、焊缝及热影响区锌层烧损等缺陷。
The stress and its distribution of the cable beam anchorage zone are the key factors of the design of cable stayed bridge.
斜拉桥索梁锚固区的应力大小及分布是影响设计的关键因素。
In high seismic intensity zone, when the spans of adjacent frame beams have great difference, the short-span frame beam can be designed as coupling beam.
在高烈度地震区,相邻框架梁跨度相差过大时,可以将短跨框架梁按照连梁设计。
An electron beam heating control method with controllable time zone and space zone belongs to material processing field.
一种时域和空域可控的电子束加热控制方法,属于材料加工领域。
A new type of column-RC beam joint of concrete filled steel tube (CFST) is created. The outer tubular column of CFST is disconnected in the joint zone. The core steel tube is put in the joint zone.
提出一种在节点区间断钢管混凝土柱的外钢管、设置芯钢管的新型钢管混凝土柱与钢筋混凝土梁的节点。
A new type of column-RC beam joint of concrete filled steel tube (CFST) is created. The outer tubular column of CFST is disconnected in the joint zone. The core steel tube is put in the joint zone.
提出一种在节点区间断钢管混凝土柱的外钢管、设置芯钢管的新型钢管混凝土柱与钢筋混凝土梁的节点。
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