查询词典 plate beam

A metastable helium atomic beam effused out of atom source is firstly cooled transversally by laser. This well-collimated atomic beam traveling through the light standing-wave whose direction is perpendicular to atomic beam is quenched, and channeling effect happens in atomic density distribution.

亚稳态原子束从原子源喷出后首先对其进行横向激光冷却，准直后的原子束穿过与之垂直的激光驻波场时发生淬火过程，原子的密度分布出现沟道化效应，给出基于光掩模制作纳米图形的基本原理、理论分析及模拟结果。

The separation angle about beam and beam is depended on the vice structure angle:the design of splitting Li P prism is better about the need of beam vertical out;the design of splitting Grand · Thompson prism is better about the need of big splitting angle .

出射的 光与光的分离角与副结构角有关；对于光垂直出射的需要，选用分束李普奇棱镜设计为好；对于大分束角的需要，选用分束格兰·汤普逊棱镜设计为好。

It is suggested that the internal forces of anchor frame beam to be calculated with Winkler foundation beam and semi-infinite elastic theory. At the same time the pertinent proposal for designing frame beam is offered based on an actual project.

结果表明：框架梁的设计完全依据膨胀力是欠合理的，建议采用Winkler地基梁和半无限弹性体理论计算框架梁的内力，并结合工程实例，提出了相关的建议。

Key words:big space; composite box; net beam ceiling; rib beam; board uniting with beam; polymerization cement slurry

关键词］大空间；叠合箱；网梁楼盖；肋梁；梁板合一；聚合水泥浆

Measurement of radial and azimuthal current density on the beam cross-section in different time and energy fluence on beam spot center with 13% more than its average value for the beam is also presented.

测量还给出了不同时刻束截面上的径向和角向束流密度分布，而束斑中心处的能注量高于平均值约13%。

The setup of a time-resolved measurement system and a data processing method for determining the beam center position are introduced for the purpose of obtaining Dragon-Ⅰ electron beam trajectory including beam profile.

针对具有时间分辨的电子束质心位置的测量和确定，介绍了测量实验系统的建立和数据处理两个方面的研究工作。

Therefore this article introduced the use space surrounding box carries on fast beam tracing on the triangular net model the method, uses this method to be possible fast to complete the up to ten thousand strip beam on the complex model beam tracing, has the very strong practical value.

因此本文介绍了利用空间包围盒在三角网模型上进行快速射线追踪的方法，利用该方法可以在复杂模型上快速完成上万条射线的射线追踪，具有很强的实用价值。

The results show that energy can be extracted from pump beam when power density of Stokes beam is more than that of pump beam.

而且研究表明，随着斯托克斯光功率的增大，从抽运光中提取出的能量越多。

With a fine beam simulation set, this method locates the beam position with an accuracy of 0.02mm and thus can scale the beam bugs very well.

为此设计了一套精密的束流模拟和电阻环标定装置，其束流位置的定位精度达到0.02mm，以之对精心设计的电阻环进行标定。

Considering the influence of other loads and uncertain factors, the follows should be taken into account if the bridge erecting mode is continue to be used.(1) Strengthen beams of steel structure with orbits, especially second half part of the Bere Beam;(2) Altering the space between crossties and increasing the support in the mid of station weight beam both can enlarge the decentralization function of the load carrying on the trunk beam, but usually the latter way is more effective. When the latter way is chosen, the stiffness of the support should be diminished correspondingly. Furthermore, adjusting the height of the support would help a lot in dispersing load.

考虑到其它载荷的影响以及不可预测因素，如继续使用该类架桥方式，应做以下考虑：(1)增加钢架梁与轨道的支撑，特别是在贝雷梁的后半部分；(2)增大荷载作用在箱梁上的分散系数，可适当改变枕木间距，亦可在配重梁的中部增加支撑，后者效果会更有效，当考虑增加支撑时，同时要降低支撑的刚度，支撑如能简单地调整高度，将会对分散载荷起到非常大的帮助。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？