查询词典 beam splitter

The paper deeply studies L-C brake beam of freight car and finds some questions about it in the way of design and technique through analysis of the failure happened on L-C brake beam.

通过分析货车L-C组合制动梁在车辆上出现的各种严重问题，深入探讨L-C制动梁在设计与工艺方面具体存在的问题。

Firstly, this paper simulated rationally the welding line of the connect parts of brake beam, after that, calculated, analyzed, and compared the structure intensity of several schemes about designed K3 type bogie brake beam.

首先对制动梁各连接部位的焊缝进行合理模拟，然后对设计的K3型转向架制动梁的几种方案进行结构强度计算、分析、对比，最后提出改进意见。

Good beam after the beam of wood bricklayer will be prepared baskets of steamed bread pudding thrown down, the following people on loot, that grabbed the glory, not scramble to grab the hands of the people to away.

梁上好后，在梁上的木瓦工将事先准备好的一篮一篮的糕馒往下抛，下面的人就哄抢，抢到的以为荣耀，抢不到的到抢到的人手中去夺。

We are in the midst of building the peace.The architects and engineers of this enterprise are engaged in their work,building the peace layer by layer,brick by brick,beam by beam.The job is difficult,complex,trying.

我们正处在建设和平的过程中，这项事业的建筑师和工程师们仍然在继续他们的工作，一砖一瓦地建设着和平，这项工作艰难，复杂，困苦。

Stress distribution of tower beam joint region of the Liuyanghe bridge is analysed by use of the spatial FEM with the shell,beam and brick element.

采用板、梁及三维实体单元相结合，对长沙市浏阳河洪山庙大桥塔梁根部区域进行空间有限元分析。

In order to meet the needs of automobile crashworthiness during the design, thin walled beam's components in automobile structure were taken as research objects. Aiming at collision deformation characteristics, HyperMesh and LS-DYNA were used to simulate the collision process here. The whole process was analyzed, which thin walled beam and bumper collide with rigid wall in the forward direction. The influence of simulation and computing result was analyzed with choosing different parameters.

为了在汽车的设计阶段使被设计车辆更好的满足耐撞要求，以车辆结构中的薄壁梁部件为研究对象，针对典型薄壁结构梁的碰撞变形特点，采用高度非线性显式动态有限元程序HyperMesh和LS-DYNA进行了碰撞的数值模拟，分析了薄壁梁及保险杠正面撞击刚性墙的全过程以及不同参数的选取对仿真及计算结果的影响。

When people see a bunch of beam beam of light shot through the tall glass curtain wall in, it is not like a car factory, and like a museum.

当人们看到一束束光柱透过高耸的玻璃幕墙射进来，它不像一个汽车制造厂，而像一座博物馆。

Adaptive control theory,structural parameter identification and error analysis are used to control the construction of pre-stressed-concrete cantilever casting bridge.The construction camber for main beam can be determined by BP artificial neural network.The deflection of main beam should be tested persistently.

对于采用悬臂浇筑施工方法的预应力混凝土桥梁，运用自适应控制理论进行结构参数识别和误差分析；利用BP人工神经网络确定主梁预拱度；在施工过程中对主梁挠度进行连续监测。

The second spanwill not fully recover from the initial negative deflection resulting in unwanted soffi t variations.In calculating camber strips to compensate for beam deflection, the entire dead load must be considered including the weight of the formsand the weight of the beam along with any residual camber for the structure.

第二跨度不会完全复原，从最初的负偏转造成不必要索菲笔variations.in计算轮圈狭长，以补偿束偏转，整死负荷，必须考虑包括重量的形式和重量的光束沿任何残余拱结构。

Last, Nano Indenter XP was used to measure the mechanical properties of the fabricated probe structures, the results show that the spring constants of cantilever type and simply supported beam type probe structures were 2556 Nm-1 and 26280 Nm-1 respectively, which were close to the designed values of 2838 Nm-1 and 23935 Nm-1 with the error of 9.94% and 8.92%. DC probes and HP 4194A Impedance/Gain-phase Analyzer were adopted to measure the electrical properties of the simply supported beam probe card. The contact resistance from the probe tip to the end of stripline was 0.6Ω. In the frequency range of 5 to 40 MHz, the characterized impedance between two probes was larger than 20 kΩ, and the capacitance was from 0.17 pF to 0.27 pF.

采用Nano Indenter XP纳米压痕仪对制备后的探卡结构进行力学性能测试，测得悬臂梁和简支梁的弹簧常数分别为2556 Nm-1和26280 Nm-1，与2838Nm-1和23935 Nm-1的理论设计值相差9.94%和8.92%；采用直流探针和HP 4194A阻抗分析仪对简支梁型探卡结构进行了电学性能测试，从简支梁探针到引线末端的直流接触电阻为0.6Ω，在5-40 MHz范围内，探针间特征阻抗大于20 kΩ，电容在0.17 pF至0.27 pF之间，测试结果表明探针的接触电阻小、射频隔离性能好。2。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。