1) whole-main-factor-matrix
全主元矩阵
1.
This paper introduces the concept of whole-main-factor-matrix,proposes a kind of new preconditioning algorithm,translates the coefficient matrix of linear systems into whole-main-factor-matrix and then introduces the methods of iteration.
针对传统解线性方程组Ax=b的迭代法的局限性,通过引入全主元矩阵的概念,提出了一种改进算法,先将线性方程组的系数矩阵A变换成全主元矩阵,然后再进行迭代。
2) totally nonnegegative matrices
完全主非负矩阵
3) Matter element matrix
物元矩阵
1.
Put forward a novel method of building up matter element matrix of the stored-grain pests.
引入一种新的粮虫物元矩阵的构造方法,在计算待识别粮虫与各类别之间关联度的基础上,根据最大综合关联度准则确定粮虫所属类别。
2.
On the basis of designing the classical matter element matrixes of each evaluation class and the extensional matter element matrix including all evaluation classes,and calculating the correlation degrees between the standard to be evaluated and each evaluation class.
采用物元变换把不相容问题化为相容问题，通过构造各评定等级的经典域和全体等级的节域物元矩阵，并计算待评定标准与各评定等级之间的关联度，根据关联度大小判定待评定标准对各评定等级的符合程度，作出综合评定。
4) Matrix element
矩阵元
1.
Discuss about a transition matrix element;
对一个跃迁矩阵元的讨论
2.
A calculation method of coordinate operator matrix element of harmonic oscillator;
谐振子任意次幂坐标算符矩阵元的一种计算方法
3.
The recurrence relations of matrix element for arbitrary operators in the model potential of atomic;
原子模型势中任意算符矩阵元的递推关系
5) Matrix elements
矩阵元
1.
General formula of perturbation matrix elements of three dimensional harmonic oscillator in uniform magnetic field;
均匀磁场中三维各向同性谐振子微扰矩阵元的普遍表达式
2.
The matrix elements of operator of angular momentum projection and the CG coefficients;
角动量投影算符的矩阵元与CG系数
3.
The B2 proportional term in the Hamiltonian of three dimensional harmonic oscillator in the uniform magnetic field is considered,and calculated the perturbaion matrix elements.
在考虑均匀磁场中三维各向同性谐振子哈密顿量中B2项影响的情况下,计算了均匀磁场中三维谐振子n=5能级的微扰矩阵元和一级能量修正值,并讨论了其能级简并度的解除。
6) CKM matrix element
CKM矩阵元
1.
We chosed a new correlative function to eliminate the effect caused by the uncertainty of twist-3 function,so that CKM matrix element |Vub| can be extracted precisely.
本文用光锥QCD求和规则计算BS→K跃迁形状因子,通过构造新的关联函数,消除了twist-3波函数的不确定性给计算结果所带来的影响,从而能更精确地抽取CKM矩阵元｜Vub｜。
2.
We chose a new correlation to eliminate the effect from the twist3 function, thus, we can extract the CKM matrix element |Vub| precisely.
用改进的光锥QCD求和规则研究在整个运动学范围内Bs→K跃迁形状因子,通过构造新的关联函数,消除了twist-3波函数的不确定性对计算结果的影响,从而能更精确地抽取CKM矩阵元|Vub|。
补充资料：主动脉瓣关闭不全
主动脉瓣关闭不全
aortic insufficiency
由风湿热反复发作而引起的非活动性慢性心瓣膜病。常单独存在。中度以下关闭不全，患儿可无症状；重度患者出现左心功能不全表现，最后出现右心衰。有时有心绞痛，可发生猝死。于胸骨左缘3、4肋间可闻及高调舒张早中期吹风样杂音，主动脉瓣区常有喷射性收缩杂音及心尖部之Austin-Flint杂音，心脏向左下扩大，抬举性心尖搏动及末梢血管征。心脏“彩超”可确立诊断。易并发细菌性心内膜炎。慢性心衰者可长期口服洋地黄；瓣膜受损严重者可考虑瓣膜置换术。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条