搜索结果: 1-15 共查到“理学 symmetry”相关记录324条 . 查询时间(0.156 秒)
【有机化学学术报告】Access Molecular Complexity by Breaking Symmetry of Dicarbonyl Compounds（图）
Molecular Complexity Breaking Symmetry Dicarbonyl Compounds
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2023/6/20
【有机化学学术报告】Access Molecular Complexity by Breaking Symmetry of Dicarbonyl Compounds
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：O(2)-symmetry of 3D steady gradient solitons
O(2) 三维稳态 梯度孤子 对称性
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2023/4/13
In this talk, we talk about the proof of the O(2)-symmetry of 3D steady gradient solitons. The proof consists of four parts: the asymptotic analysis at infinity, the symmetry improvement theorem, the ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On the residual Monge-Ampère mass of plurisubharmonic functions with symmetry
对称性 多次调和函数 残余 蒙日-安培质量
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2023/4/13
In this talk, we will study the residual Monge-Ampère mass of a plurisubharmonic function with isolated singularity at the origin in C2. We proved that the residual mass is zero if its Lelong number i...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Monotonicity of the second Neumann eigenfunction in symmetry domain
对称域 第二个 诺依曼特征函数 单调性
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2023/4/18
In 1974, Jeffrey Rauch proposed the hot spot conjecture for the second eigenfunctions of the Neumann eigenvalue problems. We will recall some of its development and related studies in recent years. We...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Symmetry in Cayley graphs
凯莱图 对称性 图论
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2023/4/27
Cayley graphs form an important class of vertex-transitive graphs, which have been the object of study for many decades. These graphs admit a group of automorphisms that acts regularly (sharply-transi...
中国科学技术大学物理学院北京谱仪BESIII团队在Symmetry发表重子结构研究专辑
重子结构 重子近阈产生 SU(3)八重态重子
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2022/5/7
近日，中国科学技术大学物理学院北京谱仪BESIII研究团队在Symmetry期刊发表专辑，总结了以中国科学技术大学物理学院师生为主、国内外多家单位参加的重子内部结构方面的系列成果。该专辑收录9篇论文，其中概要1篇、理论综述1篇，以BESIII结果为基础的实验综述7篇。
Creating dynamic symmetry in quantum systems（图）
量子系统 动态对称性 量子计算机
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2023/6/21
Physicists and engineers have long been interested in creating new forms of matter, those not typically found in nature. Such materials might find use someday in, for example, novel computer chips. Be...
New Mechanical Metamaterials Can Block Symmetry of Motion,Findings Suggest
New Mechanical Metamaterials Block Symmetry of Motion Findings Suggest
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2017/2/16
Engineers and scientists at The University of Texas at Austin and the AMOLF institute in the Netherlands have invented the first mechanical metamaterials that easily transfer motion effortlessly in on...
Excited State Energy Transfer Pathways in Photosynthetic Reaction Centers.1.Structural Symmetry Effects
biology and medicine,basic studies chemistry solar energy photosynthetic reaction centers energy transfer temperature dependence chemical reaction kinetics excited states molecular structure symmetry
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2016/5/23
Ultrafast excited state energy transfer to the primary electron donor or special pair in photosynthetic reaction centers has been measured following excitation of the lowest electronic state of the ot...
Spectroscopic and Redox Properties of Sym1 and (M)F195H Rhodobacter capsulatus Reaction Center Symmetry Mutants Which Affect the Initial Electron Donor
Circular Dichroism Electron Spin Resonance Spectroscopy Electron Transport Genes, Bacterial Kinetics Light-Harvesting Protein Complexes Mutation Oxidation-Reduction Photosynthetic Reaction Center Complex Proteins Plasmids Protein Conformation Rhodobacter capsulatus Spectrophotometry
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2016/5/23
The redox properties, absorption, electroabsorption, CD, EPR, and P+QA- recombination kinetics have been measured for the special pairs of two mutants of Rhodobacter capsulatus reaction centers involv...
Biochemical Characterization and Electron-Transfer Reactions of sym1,a Rhodobacter capsulatus Reaction Center Symmetry Mutant which Affects the Initial Electron Donor
Biochemical Characterization Electron-Transfer Reactions sym1 Rhodobacter capsulatus Reaction Center Initial Electron Donor
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2016/5/23
A 51 bp section of the Rhodobacter capsulatus photosynthetic reaction center M subunit gene (nucleotides M562-M612 of the pufM structural sequence) encoding amino acids M187-M203 was replaced by the h...
TOPOLOGICAL SYMMETRY GROUPS OF COMPLETE GRAPHS IN THE 3-SPHERE
TOPOLOGICAL SYMMETRY THE 3-SPHERE
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2015/12/17
The orientation preserving topological symmetry group of
a graph embedded in the 3-sphere is the subgroup of the automorphism
group of the graph consisting of those automorphisms which can be
induc...
TOPOLOGICAL SYMMETRY GROUPS OF GRAPHS IN 3-MANIFOLDS
GRAPHS IN 3-MANIFOLDS SYMMETRY GROUPS
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2015/12/17
We prove that for every closed, connected, orientable, irreducible 3-manifold, there exists an alternating group An which is not
the topological symmetry group of any graph embedded in the manifold.
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Compact Lorentz manifolds with local symmetry
local symmetry Lorentz manifolds
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2015/10/14
We prove a structure theorem for compact aspherical Lorentz manifolds with abundant local symmetry. If M is a compact, aspherical,
real-analytic, complete Lorentz manifold such that the isometry grou...
Symmetry Properties of Confined Convective
Confined Convective Symmetry
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2015/8/25
This paper is a commentary on the experimental observation observa-
tions of Bensimon et al. [1] of convection of a binary
uid mixture in a
uid annulus. They observed a convective pattern that is ...