<Abstrcat>Yanmenguan tunnel made use of inclined shaft for velltilation to add working face and adopted the construction technique of heading tunnel with less than half-section digging firstly,which shortened construction schedule greatly and achieved the social and economical benefits.
雁门关隧道工程施工中利用通风斜井增加工作面,并采用小半断面导洞优先贯通的掘进方法,极大地加快了工程进度,取得了良好地社会效益与经济效益。
This paper presents the boundary value problem solved as the biharmonic equation of upper plane and strip domain with Green functional method and it deals with the numerical solution of bihormonic equation, using the Matlab program calculation to realize the visualization of numeric solution.
用Green函数法求解了区域为上半平面和带形区域的双调和泊松方程的边值问题；以及探讨了双调和方程的数值解,并用Matlab编程计算实现了双调和方程数值解的可视化。
This paper discusses the solution of Fourier transform for biharmonic poisson equation with the boundary value condition on upper plane.
介绍了Fourier变换求解线性偏微分方程的一般方法,并探讨用Fourier变换法求解上半平面带边值条件的双调和泊松方程问题。
Reproducing kernel of Bergman space on the upper half plane;
上半平面上Bergman空间的再生核