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As an integrated structure,an arch dam is assumed to bear loads in its design consideration.However,multi-defects,such a......
When laser ablation is subjected to supersonic Bow,the influence mechanism of airflow on laser ablation behavior is stil......
The deformation characters and load status of the blank’s potential fracture zone are ana-lyzed at the moment when blan......
Scuffing, a major cause of failure in automobile engines, is considered as a dynamicprocess in this study. Local adhesio......
The influence of cryogenic treatment on the wear resistance of En 19 steel was studied.Furthermore,a comparative analysi......
The pedestal characteristic is an important basis for high confinement mode(Hmode) research. Because of the finite spati......
Investigation of the Viscoelastic Effect on the Metzner and Otto Coefficient Through LDA Velocity Me
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
将针叶树材气体渗透的三维流阻网络理论进行了扩充,提出了气体径向和弦向渗透次级流阻网络的二维等效流阻网络及二维等效流阻网络......
提出一种基于径向基函数神经网络(RBFNN)的工作特征参数提取的方法,采用了两个径向基函数神经网络,利用第一个RBFNN分别求出工件的边缘......
指出了解析几何常用教材、教学参考书中存在的解法不通用、应用代数条件不准确、消参数忽视等价性等几处瑕疵,相应地提出了解析几......
分析了汽车制动试验台对车轮的测力能力的动态变化过程,指出被测轮与滚筒界面的附着系数随着轮胎上爬而减小,非测轮在地面上的附着......
本文提出一个新的约束规格,导出可微多目标规划的有效解的Kuhn-Tucker必要条件,并证明在此条件下,有效解是Kuhn-Tucker真有效解.......
引进了集值映射关于锥的(1,α)-阶Clarke切导数,(1,α)-阶Adjacent切导数,(1,α)-阶Contingent切导数概念;应用它们导出了具Slater约束规格的集......
最近 ,张正友提出用平面模板两步法来标定摄像机。该方法能高精度地标定摄像机 ,且简便易行 ,可以说是两步法标定的代表 ,但其算法......