symmetry energy是什么意思

网络释义

用法例句

Probing the high density behavior of the symmetry energy by using the neutron-proton differential flow;

利用中-质微分流探测对称能的高密行为

It is found that the free neutron-proton ratio as a function of the transverse momentum at the mid-rapidity is very sensitive to the density dependency of the symmetry energy especially at incident e.

基于同位旋和动量依赖的强子输运模型IBUU04,采用两种具有不同密度依赖的对称能研究了~(132)Sn+~(124)Sn反应系统在400MeV/A,600MeV/A,800MeV/A三种不同碰撞能量下中快度发射核子中-质比随横动量的变化关系。

Comparing our calculated results with the experiment data,we explore the relations between the neutron skin thickness and the symmetry energy term of the equation of state(EOS) of nuclear matter.

挑选47组常用的Skyrme参数,采用Skyrme能量密度泛函结合拓展的Thomas-Fermi展开,用约束的密度变分法,我们计算了208Pb1、12~124Sn4、8Ca、96Zr1、8O等丰中子核的中子皮厚度并与实验数据分析抽取的中子皮厚度比较,研究了中子皮厚度与非对称核物质态方程中同位旋相关的对称能项之间的关系。

Partly decoupled harmonic power flow in symmetrical component coordinate system;

采用对称分量坐标的谐波潮流部分解耦算法

An arithmetic for remote parallel compensation,based on symmetrical components harmonic power flow,is given to solve the problem of voltage distortion of sense loads.

介绍了对称分量下解耦谐波潮流计算,提出谐波异地并联补偿的算法,并给出计算实例。

Based on the symmetrical component coordinate system , using the method of additional nodal injection, this paper presents a decoupling model of UPFC for the three phases power flow calculation.

基于对称分量坐标、用附加节点注入功率法,建立了统一潮流控制器(UPFC)在给定控制方式下计算三相潮流的三序解耦模型;三序解耦潮流采用正序约束条件,UPFC正序模型按附加节点注入功率计算,负序、零序模型按附加节点注入电流计算;结合牛顿—拉夫逊法编制了该潮流计算程序。

Study on the energy asymmetries and optimal observables of CP violation in e~+e~-→t t process;

对e~+e~-→tt过程中CP破坏的能量反对称性和最佳观测量的研究

Abstract: Good order parameter can reflect the symmetry changes perfectly during phase transition.

文摘:好的序参量能很好地反映相变过程中对称性的变化。

The symmetry and order parameter of antiferroelectric K_3H(SeO_4)_2

反铁电晶体K_3H(SeO_4)_2对称性和序参量

Dark energy served by Tachyon field with symmetrical property

具有对称性的tachyon场作为暗能量

Tensors of this kind are called antimetric or skew-symmetric.

这类张量叫做反对称张量或斜对称张量。

Phase-Inversion Symmetric Method Application in Airspace Domian and the Anti-Noise Performance;

反相对称法在空域中的应用及其抗噪声性能

asymmetrical tonic neck reflex

非对称紧张性颈反射

antisymmetric multilinear mapping

反对称多重线性映射

The Thermodynamics Methodfor Proving the Symmetry of Tensors for Cystal Physical Properties

证明晶体物理性能张量对称性的热力学方法

Time Reversal Symmetry and Discrete Rotation Symmetry in Magnetic Particles

磁性粒子的时间反演对称性和旋转对称性效应

Quantum Chemistry Studies on the Stereoselectivity of Diffierent Aldehydes in the Direct Aldol Reactions;

不对称直接羟醛缩合反应中底物醛立体选择性的量子化学研究

Studies on the Synthesis of Long-chain Alkyl Proline Derivatives and Their Stereoselectivity in Aldol Reaction;

长链烷基脯氨酸衍生物的合成及其对Aldol反应不对称催化性能研究

KEY WORDS: time and space translation symmetry; time reversal symmetry; conservation law; symmetry breaking.

关键词：时间和空间平移对称性；时间反演对称性；守恒律；对称破缺。

The Anti-symmetric Orthogonal Anti-Symmetric Solutions of Matric Equation on the Linear Manifoid

线性流形上反对称正交反对称矩阵反问题的最小二乘解

Studies on Asymmetric Reactions Catalyzed by Chiral Bifunctional Thiourea-tertiary Amine Organocatalysts;

基于手性双功能硫脲—叔胺催化剂催化的不对称反应研究

The Anti-Noise Performance Research of Phase-Inversion Symmetric Method in Time Domain and a Double Input Double Output System;

时域反相对称法和双入双出系统抗噪声性能的研究

Experimental Research on Static Behavior of Thin-Walled Steel and Concrete Composite Joints under Unsymmetric Load;

反对称荷载下薄钢混凝土组合梁柱节点静力性能试验研究

Catalytic Performance of Natural Polymermetal Complexes for Asymmetric Hydration and Heck Reaction

天然高分子金属络合物在不对称水合及Heck反应催化性能的研究