查询词典 beam-focusing

Regarded the rail as a continual Euler-Bernoulli beam in Winkler ground,the train-track-roadbed model is established,with the consideration of pseudo-static load of train and dynamic contact force between wheel and rail.

4视钢轨为Winkler地基上连续的Euler-Bernoulli梁，建立了列车-轨道-路基模型，同时考虑列车荷载的拟静力和轮轨动态接触力。

Based respectively on elastic ground beam and finite element method, two dynamic prediction methods for displacement of foundation pit are developed by the light of bionic algorithms. The case studies demonstrate that the two methods have advantage over other methods.

通过修正土压力分布模式，利用仿生算法，建立了基于弹性地基梁有限元法的深基坑支护结构位移与安全性动态预报模型和计算方法，两个算例表明，该法比规范推荐的弹性地基梁法的预测精度要高；同时，建立了基于连续介质有限元法的深基坑支护结构位移与安全性动态仿生优化预报法，算例计算结果证明了该法比同类方法计算结果要好。

When key stratum is under control of elastic or plastic in the form of elastic ground panel or beam, surface subsidence belongs to bended subsidence. When key stratum is of demolition and movement, surface subsidence belongs to fractured subsidence.

如何对岩层移动中地表沉陷等采动损害进行有效控制，关键在于了解岩层移动的动态变化过程，了解对地表移动起控制作用的岩层的变形破断规律，及其运动过程中与地表移动的相互耦合作用关系。

The main ideas include:no additional column is arranged at the ground floor,the composite beam is made of steel concrete,and the composite floor slab s form the new floor.

增层改造设计的要点是底层不再增设柱子；以钢混凝土作为组合梁板结构；新层楼板采用组合楼板。

The most difficult step in analyzing soil-pile interaction in liquefied ground by using the Beam on Nonlinear Winkler Foundation method is how to determine p-y curves for liquefied soil, and consequently many attempts have been made for investigating p-y curves of the liquefying soil.

采用非线性Winkler地基梁模型分析侧向液化土-桩相互作用所面临的首要难题是液化土p-y曲线的确定。

Surface properties of Kapton without and with ograno siloxane coating were analyzed after exposure to ground state fast atomic oxygen radiation in a ground simulated atomic oxygen beam facility.X-ray photoele c tron spectroscopy,I.R.spectroscopy and scanning electron microscopy were used to characterize the chemical and physical changes of the surface of materials test ed.

用光电子能谱、红外光谱和扫描电镜研究有和无有机硅涂层的聚酰亚胺在模拟原子氧环境中表面所发生的侵蚀作用。

The compass were placed in two rooms on the ground grandmother, speaking beam, under the watch floor tiles, floor tiles are to take each piece of foot Duo, each wall is to get your fingers tapping, inside and out steps to take the amount of the Lumbar Spinal get away to see two Grandma under the bed, inside black, touched her hand, a clatter to bed ...

把罗盘摆在二奶奶房间当中地上，上看房梁，下看地砖，每块地砖都拿脚跺，每块墙砖都使手指敲，里里外外拿步子量，完事猫腰看二奶奶床下，里头黑，手一摸，当啷一声把床。。。

The type of assemblage,design principle of the guide system for universal mill of hot rolling H-beam of Changzhi Iron and steel Co.

介绍了长钢热轧H型钢生产线万能轧机导卫系统的装配形式和设计原则。

The type of assemblage and design principle of the guide system for breaking down mill of hot rolling H-beam of changgang were introduced.

介绍了长钢热轧H型钢生产线开坯机导卫系统的装配形式和设计原则。

Experimental measurements show that if the vacuum in the gun chamber is better than 6. 67×10-7 Pa and the field emission current is 0. 9μA,the stability of beam current is better than 5% in 10 minutes,and if the acceleration voltage is 40kV,the radius of the virtual source of FEG is smaller than l.

经测量表明：FEG在枪室真空为6.67×10－7Pa，场发射工作电流0.9μA的条件下，其束流稳定性优于5％（10min）；又当加速电压为40kV时，其虚源半径小于1.3nm；而亮度则大于5×109A／cm2·sr。

Now she was hungry and angry.She began to smoulder.

现在她又饿又气，她开始流露难以抑制的怒火。

You have placed our iniquities before You, Our secret sins in the light of Your presence.

诗90：8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。