自旋自由度,Spin degree of freedom
1)Spin degree of freedom自旋自由度
英文短句/例句
1.The Impacts of Spin Degree of Freedom on the Material Physics in Correlated Electron System: First-Principles Study自旋自由度对关联电子体系材料物理性质的影响：第一性原理研究
2.Design of Rotational Degree of Freedom in 6-DoF Micromotion Platform六自由度微动平台旋转自由度的设计
3.Free revolving viscometer based on virtual instrument technique基于虚拟仪器技术的自由旋转粘度计
4.Study on Control Method Based on 3-DOF Twin Rotor Multi-Input Multi-Output System;基于三自由度双旋翼系统的控制方法研究
5.The Research on Membrane Element with Drilling Degree of Freedom Based on Thin Shell Finite Element Method;基于薄壳有限元法的带旋转自由度膜元研究
6.Screw Analysis of Bennett and Some Minor-Mobility Mechanisms;BENNETT机构及某些少自由度机构的螺旋分析
7.Improvements of Quadrilateral Element with Drilling Dofs Using Hybrid Finite Element Methods;带旋转自由度的四边形元的杂交有限元改进
8.Simulation of springback using rotation-free shell element基于无旋转自由度壳单元的回弹预测方法
9.The kinematics analysis for a kind of lower-mobility parallel mechanism based on screw theory基于螺旋理论的少自由度并联机构运动分析
10.Analysis of spatial mechanisms based on the screw theory基于螺旋理论的空间机构自由度分析方法
11.Inverse velocity and singularity analysis of low-dof robot based on screw theory基于螺旋理论的少自由度机器人速度反解及奇异性分析
12.Study on Milling Helical-surface Machining Tech Nique with Four-axial Non-instaneous Envelop;四自由度无瞬心包络铣削螺旋曲面加工方法研究
13.Singularity Analysis of 5R 3DoF Parallel Manipulators Via Screw Theory;基于螺旋理论的5R三自由度并联机器人奇异形位分析
14.Structure Synthesis of Single Closed-loop Multi-degree of Freedom of Over-constrained Mechanism Based on Screw Theory基于螺旋理论的单闭环多自由度过约束机构综合
15.Algorithm for the Inverse Kinematics Calculation of 6-DOF Robots Based on Screw Theory and Paden-Kahan Sub-problems基于旋量理论和Paden-Kahan子问题的6自由度机器人逆解算法
16.A democratic system guarantees freedom of speech, freedom of the press, and freedom of association.民主制度保障言论自由、闻自由和结社自由。
17.proton free-precession nuclear magnetometer质子自由旋进式核子磁力仪
18.reciprocal-type proton free precession magnetometer可逆式质子自由旋进磁力仪
相关短句/例句
drilling degree of freedom旋转自由度
1.A new 4-node C~0 quadrilateral plate/shell element withdrilling degree of freedom;带旋转自由度C~0类任意四边形板(壳)单元
2.Quasi-conforming triangle plate and shell elements withdrilling degree of freedom;带旋转自由度拟协调三角形板壳单元
3.Based on the original Allman s element withdrilling degree of freedom and the drilling degree definition, a modified element is presented by means of perfecting the variational functional Πp of Allman s element in the paper.基于原始的带有旋转自由度的Allman单元,从转动分量定义出发,对原始的Allman单元泛函位能Πp进行了一些修正,推导得到了一个新的单元。
3)rotational degree of freedom旋转自由度
1.High calculation precision result can be obtained in finite element analysis of shear wall by using rectangular finite element method,however,for analysis of special structure like staggered shear wall,the introduction ofrotational degree of freedom in rectangular element will be more suitable.剪力墙结构在进行有限元分析的时候,通常选用矩形单元便能获得足够的计算精度,但对于隔层错跨剪力墙这种特殊的剪力墙结构来说,采用带旋转自由度的矩形单元,增加了对转角的考虑,同时将连梁、梁、柱划分为杆单元,使得分析结果更为精确。
2.It introduces the concept on therotational degree of freedom of the continuous mechanics.本文引入连续介质力学中有关旋转自由度的概念来解决外框架梁、柱单元和剪力墙单元的连接问题,在普通平面八节点单元的基础上构造带旋转自由度的平面八节点单元。
3.A rectangular membrane element withrotational degree of freedom is constructed through finite belts of unit length and width.根据有限条带思想构造了带旋转自由度的平面矩形膜元,此种单元可与矩形板弯曲单元耦合成平板壳单元,也可单独作为平面应力-应变问题分析单元;单元周边纵向采用线性位移模式和横向采用三次Hermite位移模式,与普通梁单元一致,因此可与梁单元耦合和叠加。
4)drilling degrees of freedom旋转自由度
1.This paper uses the finite-layer theory to simulate the transversely isotropic lay-ered soil, and uses a flat-shell element which combines a refined non-conformingquadrilateral plan isoparametric element withdrilling degrees of freedom and mindlinPlat bending element using reduced inte.为解决上下部结构连接处的位移协调问题，本文引人了由带有旋转自由度的精化非协调平面四边形等参元和采用缩减积分的四结点Mindlin板单元所组合而成的一种平板壳单元，这种平板壳单元的一个节点有6个自由度。
5)rotating degree of freedom旋转自由度
1.A simple and effective triangular element withrotating degree of freedom;一个简洁有效的带旋转自由度的平面三角形单元
2.A quadrilateral axisymmetric element withrotating degree of freedom at the vertex nodes is derived.在节点增加角旋转自由度的基础上构造任意四边形轴对称单元协调的位移模式 ,为了提高精度 ,消除几何敏感性和适应不可压缩材料 ,在协调的基础上又引入三个非协调的内部位移函数和泡状函数作为附加位移场。
6)isospin degree of freedom同位旋自由度
延伸阅读
向量场的旋转度向量场的旋转度rotation of a vector field向最场的旋转度【均‘打闭Ofa侧父tor 6dd;即灿姗e~Pltoro肋朋]，在一个平面上向最场(从戈tor fie匕)的特征之一，它在同伦下是不变的.设X是Euclid平面EZ的区域G上的一个向量场，0是X与某固定方向之间的夹角二那么X白叨淀转度(m以沁n)就是当绕行一条闭定向曲线L C=E，(沿着L，X笋0)一周时，角a的增量除以2二.例如，如果L是一条CZ阶的光滑曲线，则沿L切于L(或法于L)的场T(或v)的旋转度等于L的全曲率(cuJ，atule)除以2川如果X是区域G(以aG为Jor(上In边界)上的(有或没有弧立奇点)的向量场，则X在刁G上的旋转度等于X在G的闭包中的奇点的指标(sin酗ar Point，汹北x of a).向量场的旋转度在不通过X的奇点的曲线L的同伦形变下保持不变.推广由在一个n维流形M上在v的弧立点P处的向量场v的指标(i斑Jex ofa城戈tor field)的概念组成.它定义为从绕P点的小球面到单位球面的映射xl一，，(x)/}，(x)I的度(见映射度(由g优ofaTnapp吨”.它与Dd巴示性数(E田erd以raCteristic)有关.也见 Fbi侧习r‘定理(Poin(次三也印比m);价。-说ck改公式(E泣。优盛crfonnd巨).M.H.B动亩班x由cK成撰【补注】也见曲线的旋转度数(xotatjonn功mber)，它是曲线单位切向量场沿该曲线的旋转度.
