Dieless Drawing Technique for Making Tapered Pipe With Square Cross Section cut or shape with a die. 一种新型的锥形方管无模拉伸成形工艺用一块钢模砍或使之成形。
Orthogonal test on forming parameters of square box made of tailor rolled blanks Study on Shape of Cross Section in Billet CC Curve Surface Mould 变截面板方盒形件成形参数的正交试验分析方坯连铸曲面结晶器横截面形状的研究
Axial bearing capacity of square and rectangular CFT stub columns with binding bars The differential equations of equilibrium of the constrained rod are established taking Euler angles as variables to describe the attitude of the cross section. 带约束拉杆方形、矩形钢管混凝土短柱的轴压承载力以描述截面姿态的欧拉角为变量,建立受约束弹性杆的平衡方程。
Under longitudinal stress, composites reinforced by fibers with square cross section have the same yielding stress as the ones reinforced by fibers with cyclic cross section. 研究表明:在纵向正应力作用下,圆截面纤维复合材料的初始屈服应力基本上与方形截面纤维复合材料的初始屈服应力相等;
As examples, comparisons of the generating period and amplitude in isosceles triangle and square section channels with the same cross section area are predicted. 作为例子,文中预报和比较了正方形和等腰三角形断面直渠中的生成周期和振幅。
Demolishing Reinforced Concrete Chimney of The Square Cross Section with Controlled Blasting 钢筋混凝土方形烟囱的控爆拆除
In the presence of transverse or shear stresses, the composite initial yielding surface with square cross section fibers is inside of the one of composite with square cross section fibers. 当存在横向应力或纵横剪切应力时,圆截面纤维复合材料初始屈服面在方形截面纤维复合材料初始屈服面之内;
Experimental studies have been performed on the board of Russian IL 76 reduced gravity airplane for two phase air water pressure drops in a square cross section channel. 利用俄罗斯IL76失重飞机对微重力条件下方形截面管道内的水/气两相流压降进行了实验研究。
In this paper the motion of a straight vortex line in a water tunnel having a square cross section is discussed. 本文讨论了正方形截面水筒中直线涡的运动。
Optimal Design of the Section Dimension of the Reinforced Concrete Column with Square Cross Section Subjected to Axial Load Applied Centrally 轴心受压钢筋混凝土方柱截面尺寸的优化设计
The compared square cross section columns 'calculated results showed that rational z shaped cross section columns was better than square columns under loading. 与方形截面柱计算分析结果的对比发现,合理的Z形截面柱比方形截面柱受力更好。
Employing perturbation method and numerical simulation, we study the flow in rotating helical pipes including different rotations, different cross sections ( circular, elliptical, annular and square cross section), and different geometrical structures. 采用摄动方法和数值计算方法,研究了处于多种旋转状态下、多种截面形状(圆截面、椭圆截面、环形截面、矩形截面)、不同几何结构旋转螺旋管道流动。
The cross-section of connecting tube in fan room designed to square cross section is better. 风机房连接风道断面型式采用方形效果较好。
The position of the least square center for a cross section in the absolute coordinate system is an important factor that affects cylindrical form errors. 截面最小二乘圆心在绝对坐标系内的位置是影响圆柱度形状误差大小的重要因素。
Separating Method for Eccentric Motion of Least Square Center of Cross Section 截面最小二乘圆心偏心误差运动的分离方法
Study on tube settler of square cross section with cut angle 关于缺角正方形斜管的研究
Then the invisibility cloaks of circular, elliptic and square cross section are simulated respectively. At last the general formulas for invisibility cloaks of arbitrary cross section is derived. 4. 数值分析了圆形截面、椭圆截面和正方形截面的电磁隐形斗篷,最后推导出一般截面电磁隐形斗篷的通用公式。
During the process, I have researched the topology optimization of DDR modules and the problem of how to match the Characteristic Impedance of square cross section wire which is affected by the Skin Effect. 同时笔者还着重研究了DDR模块的拓扑结构的优化以及如何在趋肤效应的情况下对矩形截面直导线进行正确的端接。