久期方程

三螺旋DNA分子久期方程的约化

Reduction of the secular equation for triple & helical DNA

使用3d~3电子久期方程计算3Cr~（3+）在立方场下库仑相互作用参数B、C和内晶格场参数Dq。

The parameters of Coulomb interaction B and C and the parameter of the internal crystal field , D_q , for Or ~ ( 3 + ) under cubic field are calculated using the secular equation of 3d ~ 3 electrons .

导出了任意能级下氢原子一级Stark效应中的久期方程简化后的计算公式。

A simplification formula of any state , s energy level for hydrogen atom in Stark effect is derived .

氢原子斯塔克效应中久期方程的简化公式

Simplified Formula of Secular Equation for Hydrogen Atom in Stark Effect

浮选药剂极性基久期方程的约化

Reducing secular equations for polar groups of flotation reagents

在均匀强磁场中氢原子塞曼效应久期方程的简化公式

Simplified formula of secular equation for hydrogen atom zeeman effect in a high magnetic field

本文应用简并态微扰理论和球谐函数的性质，得到久期方程中非零微扰矩阵元普遍表达式。

The prevalent formula for nonzero perturbation matrix in the secular equation is gained by the perturbation theory in degenerate state and property of spherical harmonics function .

根据简并态微扰理论和氢原子波函数的性质，得到久期方程中微扰矩阵元的分布规律。

According to the perturbation theory in degenerate state and wave function property of the hydrogen atom , the matrix element 's distribution law in the secular equation is discovered .

用该方法对环共轭分子体系讨论时，由于环共轭分子具有特殊的首尾相连环状分子结构，求解其久期方程还需引入较为抽象的假定条件。

However , if this theory ( HMO ) is used for discussing a circlewise conjugated molecule which has particular circlewise molecular structure , some additionally abstract assumptions should be put up before its discussing .