Such a beam would easily penetrate the star's outer layer, but the stellar core would be sufficiently dense to absorb part of it.
这种光束很容易穿透恒星的外层,但是恒星的内核的密度将足以吸收其中的一部分。
The structural core of the project is a raised flooring system with a series of columns and a ring beam on the top for stability.
项目的结构核心部分是一个抬高的顶棚系统,附带依次排列的圆柱以及置于其上用来增强稳定性的一根圆形横梁。
The paper illustrates the characteristics of hollow optical fiber in detail and uses the concept of evanescent wave to explain the beam transmission in interface of hollow and core.
对空心光纤的结构特点做了细致的分析,采用迅衰波场的概念来解释空心光纤纤芯与空心处的传光损耗。
Around the dark core of an optical vortex, the energy flow carried by the light beam is like a spiral staircase, flowing in a clockwise or counterclockwise direction.
绕着光涡旋的黑暗中心,光束携带的能量流就像螺旋梯,沿着顺时针或者逆时针方向流动。
The laser beam melts a portion of the steel core and the segment backing metal, forming a weld.
激光光束熔体部分钢铁核心和后盾金属部分,形成焊缝。
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。
Base on the calculation of an example, suggestions on range of sideway ratio of stories up and down in transfer story of frame-core tube structure with column supporting transfer beam is obtained.
通过实例计算分析,给出了带托柱式转换梁的框架-核心筒结构的转换层上、下层间侧移角比的取值范围建议。
As core of the smart antenna, beam-forming algorithms have become a hot topic in the study of mobile communication.
波束形成算法作为智能天线的核心,近年来成为移动通信领域中的一个研究热点。
In this paper, the beam quality and polarization degree of laser beam which propagated in large core multimode power fibers is studied.
研究了在大芯径、多模功率光纤中传输的激光束光束质量和偏振与光纤长度的关系。
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。
In experiment, output modes of hundred-micron core diameter fiber laser are controled by the hole in the laser cavity, and the effects to beam quality are researched with holes of different diameters.
实验中,采用腔内小孔法对百微米芯径光纤激光器的输出激光模式进行控制,研究了不同孔径对输出激光光束质量的影响。
Since the slow-wave system is the core of beam-wave interaction in TWT, the function and performance of it directly determines the capability of the TWT.
在行波管中,慢波系统是进行注波互作用实现能量交换的核心部件,其性能优劣直接决定了行波管整体的性能。
An ejector rod and a female die are fixed at the lower part of the upper beam, and a mold core is mounted on the lower beam. The end of the mold core has at least one shoulder.
于上架梁的下方固定有顶杆和凹模,于下架梁上安装有其一端部至少有一个肩凸的型芯。
The method has been applied to the complex model analysis of a sandwich cantilever beam with viscoelastic damping material core and verified experimentally.
应用上述方法对悬臂约束阻尼层梁的复模态参数进行了分析,并进行了实验验证。
For the full development of beam ductility, different kinds of anchorage of beam reinforcements in the joint core and groove welded connction on longitudinal main beam b…
为了使梁的延性充分发挥,试验研究了梁内主筋在节点核芯区的不同的锚固方案以及装配式节点中梁内主筋的坡口焊焊接方法。
A conception of minor core determined by the small beam and small column, and a conclusion that the shear capacity of abnormal joint depends on minor core are put forward in this paper.
提出了由小梁小柱决定的“小核芯”概念,得出框架异型节点的承载能力取决于异型节点“小核芯”的结论。
Under the conditions of larger longitudinal and cross-fall of road line, the author describes the calculations about core slab and box beam bridge chock.
阐述了在路线纵、横坡较大条件下空心板及箱梁桥楔块的设置与计算。
The size of the hollow core of vortex beam has close relationship with the topological charge.
涡旋光束的空心大小与光束的拓扑荷数有密切关系。
The hysteresis loop, stiffness digration, energy dissipation, ductility, reinforcement strain and shearing deformation of core of beam-column joints are studied.
试验从滞回曲线、刚度退化、能量耗散、延性、主筋应变及节点核心区剪切变形等方面进行了研究。
Comparing experimental data and the results of finite element method, it is showed that the deflection of foam core sandwich beam by these methods could be accurately predicted.
通过对比试验数据以及有限元的计算结果,得到用该方法可较为准确地预测泡沫夹层结构梁的挠度。
The theory of reinforced concrete membrane elements was used to develop a theoretical method for analyzing the behavior of beam column core regions.
用钢筋混凝土薄膜元理论 ,建立了节点区受力分析的理论方法 ;
The theory of reinforced concrete membrane elements was used to develop a theoretical method for analyzing the behavior of beam column core regions.
用钢筋混凝土薄膜元理论 ,建立了节点区受力分析的理论方法 ;
应用推荐