| 1. | The measuring for refractive index of triangular prism
三棱镜折射率的测定 |
| 2. | Degenerated triangular prism plate element
三棱柱实体板单元 |
| 3. | Study into visualization of 3d stratum based on triangular prism
一种基于三棱柱的三维地质体可视化方法研究 |
| 4. | Research on spectrum line refractive index of triangular prism with spectrometer measuring
分光计测量三棱镜谱线折射率的研究 |
| 5. | Research on incision of triangular prisms in 3d - stratum and calculation of excavated earth volume
三维地层的三棱柱剖分与土方计算 |
| 6. | On the basis of summarizing current fractal dimension algorithms , the random midpoint replacement algorithm was employed to obtain interpolating point according to the fractal features of remote sensing image , so the current widely used triangular prism method was improved
摘要在总结现有分形维数计算方法的基础上，根据遥感影像的分形特性，利用随机中点替代法获取插值点，从而对目前普遍使用的三棱柱面法进行了改进。 |
| 7. | This dissertation applies 3 - d finite element theory to development of the shape functions and stiffness matrixes of the triangular prism isoparameter elements ( 6 to 15 nodes ) . a calculating method for gaussian integral in triangular prism is presented . the stress field in welded steel structures can be computed by the triangular prism isoparameter elements ( 6 to 15 nodes ) and hexahedron isoparameter elements ( 8 to 21 nodes )
本文应用三维有限元理论，构造了一类五面体6 15节点单元的形函数，提出了在五面体单元内的gauss积分处理方法，建立了相应的单元刚度矩阵，将其与六面体8 21节点单元结合，可用于计算焊接钢结构的应力场。 |
