The performance of underground excavations is inevitably influenced by rock mass characteristics, presence of joints and......

在解析几何中有二次曲线与直线位置关系的讨论、二次曲面与直线位置关系的讨论，而二次曲面与平面相关位置关系的探讨较少．本文给出二......

The shear components of strain tensors for matrix and twin crystal of (?)winned martensite wereroughly opposite after ca......

We describe a new active-set, cutting-plane Constraint Optimal Selection Technique (COST) for solving general linear pro......

In this paper, we use the moving planes method to prove that the domain Ω and the solution u are Steiner symmetric if u......

In this paper, we are concerned with a positive solution of the non-homogeneous A-Laplacian equation in an open bounded ......

该文应用矩阵理论的数学工具，对平面反射系统成像作用的数学表述方法进行了概括的理论分析；按照平面反射系统对物像实施“正交变换”......

本文利用ＶＧＡ上的剩余ｖｉｄｅｏ ｂｕｆｆｅｒ实现图形存储，代替库函数ｐｕｔｉｍａｇｅ（）和ｇｅｔｉｍａｇｅ（），既可节省上宝贵的ＣＰＵ的内存空间，同时大幅度提高图形的显示速度，最后给出Ｃ＋＋实例，并利用库管理......

With the realization that rocks with a schistosity parallel to bedding(S0 parallel S1)have undergone lengthy histories o......

Considering properties of materials can not abruptly change, an interface layer model with the linearcontinuous transiti......

This paper is devoted to the study of a translation plane π(C) associated with a t-spread set C and its transposed t-sp......