In indirect drive, reducing peak intensity of a single beam and controlling overlap of multi-beams are two opposite requ......

We present a polarization-maintaining PANDA ring-core fiber(PM-PRCF) characterized by the combination of a ring-core str......

A new-type corrugation Plate Heat Exchanger (PHE) was designed. Results from both numerical simulations and experiments ......

This review highlights very recent achievements and new developments of severe plastic deformation(SPD) technology for p......

The use of the Laser MegaJoule facility within the shock ignition scheme has been considered. In the first part of the s......

A superconducting focusing solenoid has been designed and developed for the China Accelerator Driven System(CADS).In ord......

随着精密与超精密加工技术的不断发展和成熟,将振动辅助切削技术应用到精密与超精密加工中去已成为发展的一个必然趋势。结合国内......

为设计出性能优良的太赫兹滤波器,设计了一种基于两个椭圆型闭合谐振环结构的极化敏感太赫兹超材料.利用CST Microwave Studio软件......

【Abstract】With the development of society and widespread cooperation among countries， various media devote themselves t......

掌握背景在椭圆轨道红外监视平台成像特性是开展红外图像数据处理的基础。首先,构建了椭圆轨道红外监视平台的几何投影模型和信号......

V-type ultrasonic linear motor fabricated using a simple punching technique was proposed to utilize as an actuator of sm......

设计了一款椭圆轮式轮椅爬楼梯辅助装置,通过锁止轮毂与普通轮椅底架固定连接并套在其轮轴上。采用胎面装附有牙型花纹的防滑橡胶......

钢管厂生产的钢管，单根长度通常小于14m，而在地质钻探和石油钻采中，钻井深度通常1000m以上，最深7000m，用于输送石油、天然气、水、矿物......

The method of wave-function expansion in elliptical coordinates, elliptical cosine half-range expansion and Mathieu func......

在数控编程的实际应用中，常见的是直线插补和圆弧插补，没有椭圆插补，但在实际生产中，往往遇到许多椭圆的零件需要加工，如果手工常规编程......

针对只限制飞行器始/终点位置和飞行时间两项约束条件的大气层外弹道规划问题, 提出了一种考虑地球J2项引力摄动的Lambert改进制导......

利用纽曼公式,并引入一个数学关系式,计算出两共轴平行圆环电流的互感,通过求其微分,给出了其相互作用力的解析表达式,并通过数值......

采用数值模拟与实验相结合的方法，研究了低频振动管外的流动与传热特性，分析了不同参数对换热性能的影响。数值计算结果的场协同理论......

建立了缝合复合材料层板的面内拉伸强度模型,该模型考虑了缝合线对缝合层板拉伸强度的影响,将缝合线等效为椭圆形夹杂,应用含椭圆......

针对榆次二中艺术会堂160 m长悬挑椭圆弧梁的施工特点,制订了具体的施工工艺流程及操作规程,通过实施效果检查,为施工起到了有效的......

The non-Newtonian effect in the boundary layer flow over a horizontal elliptical cylinder is investigated numerically. A......