Three series of quaternary rare earth complexes [Ln( x MBA) 2(NO 3)(Phen)] 2(Ln=La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Er;MBA=CH 3C 6H 4COO -)were synthesized in ethanol/water solution system with slight acidity, the products were characterized by elemental analysis, IR,UV,DTA TG and 1H NMR, the ESR spectra of three Gd complexes and fluorescence spectra of three Eu complexes were determined.
在酸性介质 ,乙醇 /水混合溶剂中合成得到了三个系列的四元混配配合物 [Ln(x- MBA) 2(NO3) (Phen) ]2 (Ln=La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Er;MBA=CH3C6H4 COO-)。
Introduces a new multidimensional algebra named the quad-quaternion.
提出了新的多元数概念——四四元数,以及四四元数框架下特征分解和奇异值分解等信号处理领域常用的矩阵运算新规则。
Using complex representation and companion vector, we study the diagonalization of quaternion matrices, obtain a practical algorithm for diagonalization of a quaternion matrix A and provid a practical algorithm for a corresponding nonsingular matrix P such that P?
四元数矩阵的对角化在四元数力学等四元数应用学科的理论研究和数值计算中起到重要的作用。
The attitude kinematics and dynamics are both described by error quaternions.
姿态运动学和动力学用误差四元数描述。
Mathematical Model of Fuze Ball Rotor Rotation Around Fixed Point with Quaternion
用四元数建立引信球转子定点转动的数学模型
Research on the Mathematics Learning Abilities of Tibetan Students in Sichuan;
四川藏区高师少数民族学生数学学习能力研究
Computation and Simulation of Misaligned Optical System in Vibration Environment by Using Quaternion Method;
振动失调光学系统的四元数计算方法与仿真
Research on solution to robotic inverse kinematics based on quaternion-vector
基于四元数向量的机器人运动学逆解研究
The Research on the Training for the First Cognition in Mathematics Teaching in Middle School;
高中数学教学中元认知能力培养研究
Study on Cultivating the Primary School Students’ (Grade 4~6) Math Metacognitive Monitoring Study Strategy;
小学四~六年级学生数学元认知监控学习策略培养的研究
quaternion Grassmann manifold
四元数格拉斯曼流形
Gauss Ring, Quaternions and RSA Arithmetic;
Gauss环、四元数体与RSA算法
Numerical Simulation of Mechanical Behaviors of Ellipsoid Granular Materials by Discrete Element Method;
颗粒材料力学性质的离散元数值模拟
A Research on the Development of Meta Cognition in the Mathematic Learning of the High School Students;
高中学生数学学习中元认知能力培养研究
The Research of Improving the Students Ability of Metacognition in Mathematics Teaching;
数学教学中提高学生元认知能力的研究
Teaching Tactics of Training the Metalearning Ability of Teachers College Students;
培养高师生数学元学习能力的教学策略
On the Trace and Meditation of the May 4th Literature Pattern;
多元的魅力:并存并置升腾的合力——“五四”文学格局的探索与反思
Experiment on fourth-grade pupils remembering 105 names of chemical element by using MMOASAPMI;
四年级小学生运用数序形象挂钩法记忆105个化学元素名称的实验
An Intervetion Study of the Metacognition to the Primary School Pupils Towards Mathematical Computational Estimation;
小学生数学估算能力的元认知干预研究
Meta-cognition Training Influence Pupils Ability of Solving Math Problems;
元认知训练对小学生数学问题解题能力的影响