 原子吸收 光谱分析理论  原子吸收光谱分析仪器  原子吸收光谱定量分析方法  发展趋势

4.1 磷光 4.2 化学发光 4.3 生物发光

18.1电导分析的基本概念 电导是电阻的倒数

properties of finite dement soltions Noded point equilibrio At a node, the sow of he elemeat nodal forces s in equilibriun with Hhe externed loads

防火墙概述 防火墙分类 防火墙硬件技术 防火墙软件技术 防火墙分级 防火墙功能 防火墙性能 防火墙安全性 防火墙部署 防火墙管理 防火墙可靠性 防火墙典型应用 防火墙技术发展展望 怎样选择防火墙

How many quadrature points do you need to integrate a polynomial of order p= 3 exactly using Gauss'method

Concept Question How many quadrature points do you need to integrate exactly the stiffness matrix of a lD finite element with quadratic interpolation for the displacements? gauss

The finite element method(I for three-diwnensional robles Potential enery applied to one eleet

cmaulenon o isoparametRic elemets (Bathes book Consider the uadriltersd denat shown in the 8oc nodd coordinates

Numerical integration Consider He 4-D integral =+(s 1 Seek n-point apploxiwisfions G~2M =1 are the weights and