星系演化
- 网络Galaxy Evolution;galactic evolution
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探测活动星系演化的动力学。GAIA可对银河系的总体几何结构及其运动学做全面而彻底的普查,在此基础上开辟广阔的天体物理研究领域。
GAIA is aimed at a comprehensive survey of the overall geometric structure and its kinematics of our Galaxy which lead to broad research into astrophysics .
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这张照片是根据哈勃太空望远镜先进测绘照相机、NASA的斯必泽太空望远镜以及星系演化探测器(GALEX)的观测合成的。
The image was composed from observations made by the Hubble Space Telescope 's Advanced Camera for Surveys , NASA 's Spitzer Space Telescope , and the Galaxy Evolution Explorer ( GALEX ) .
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简单总结了星系演化的两个基本参数:初始质量函数(IMF)和恒星形成速率(SFR),以及讨论了红外观测在这两个参数研究中的贡献。
Two main parameters for studying galactic evolution-initial mass function ( IMF ) and stellar formation rate ( SFR ) are summarized . Their research situation as well as significance of the large scale infrared observations in studying these parameters is discussed .
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他们拿出哈勃太空望远镜和美国航空航天局的星系演化探测器(Galex)的历史数据,与格雷厄姆团队之前分析的可见光数据进行比对,发现结果正好与预测吻合。
And that is exactly what they found when they compared archival data from the Hubble Space Telescope and NASA 's Galex space telescope to the visible-light data previously analyzed by Dr. Graham 's group .
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星系演化探测器是紫外测量望远镜。
The Galaxy Evolution Explorer is an ultraviolet survey telescope .
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讨论了在以冷暗物质为主的宇宙中,超新星爆发对矮星系演化的反馈作用。
The feedback effect of supernova explosions on dwarf galaxies in the cold dark matter dominated universe is studied .
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神召教授的发现为物空相对论理论的星系演化学说间接提供了观测依据。
God called the discovery of material empty Professor relativity theory , theory of galaxy evolution based on the observation indirectly .
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吉奇称,这些气泡可能代表了星系演化的一个阶段,当时中心的黑洞对不断发展的寄主星系起到了一种阻碍作用。
Geach says the blobs could represent a phase in galaxy evolution when the black hole at the center exerts a brake on the growing host galaxy .
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AGB星对于元素核合成及星系化学演化都有非常重要的意义,它们是宇宙中比Fe更重的元素的重要产生地。
AGB stars have important significance to the element nucleosynthesis and the chemical evolution of the galaxy . They are the main site where elements heavier than Fe are formed in universe .
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太阳附近α-元素的星系化学演化
Galactic Chemical Abundance Evolution of α - elements in the Solar Neighborhood
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星系化学演化也是天文学者一直关心的问题。
The chemical evolution of galaxies is a long-interesting problem for astrophysicist .
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双源射电星系的演化特性
Some characteristics in evolution of radio galaxies with double structure
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观测结果对三成分多分量星系化学演化模型的约束
The Observational Constraints to the Multiphase , Three-Zone Chemical Evolution Model for Galaxies
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星系的演化规律是当前天文学研究的重要课题之一。
The evolution of galaxy is one of the important issues in modern astronomy .
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双重和多重星系的演化趋向
The evolutionary tendency of binary and multiple galaxies
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钡星对于重元素核合成及星系化学演化的研究都有非常重要的意义。
It is very significant to Ba stars for heavy-element nucleosynthesis and Galactic chemical evolution .
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盘星系动力演化的数值模拟Ⅰ&盘状引力加速度的计算方法
Numerical simulation of dynamical evolution of disk galaxies I & computation method of gravitational acceleration of disk galaxies
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用密度波理论描述旋涡星系的演化方向和太阳系的八大行星模式
Evolutionary Direction of Spiral Galaxies Described by Theory of Density Wave and the Mode of Eight Major Planets of the Solar System
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利用瞬时循环近似,考虑元素产率随金属丰度的变化,得出了主要金属元素星系化学演化的分析解。
We model the galactic chemical evolution of primary metal element by using the instantaneous recycling approximation and the yield metal dependent which enable the problem to be handled analytically .
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基于密度波理论的非线性方程,用定性分析理论可导出旋涡星系的演化方向和由观测可得到的演化条件。
Based on the nonlinear equations of the theory of density wave , the evolutionary direction and the observable conditions on spiral galaxies may be derived by the qualitative analysis theory .
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建立在冷暗物质(CDM)和近标度不变原初扰动的结构形成理论成功地解释了宇宙大尺度和星系形成和演化的整体性质,已成为现代标准宇宙学模型的基础。
Structure formation model based on the cold dark matter ( CDM ) theory and the nearly scale-invariant primordial perturbation has successfully explained the main features of observational properties of the large scale structure and galaxies .
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本文分二部分,第一部分重点介绍星系的化学演化模型和观测约束,第二部分重点介绍r-process核合成和Ba峰元素r-process的星系化学演化。
The dissertation consists of two sections . The first one mainly introduce the chemical evolution model and observational constrain , and the second mainly introduce the nucleosynthesis of r-process and the chemical evolution of Ba peak elements .
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星族综合模型与星系的颜色演化
A Model of Population Synthesis and the Color Evolution of Galaxies
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具局部各向同性速度分布的旋转椭球星系的长期演化
On the long-term evolution of spheroidal galaxies with locally isotropic velocity distribution
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盘状星系形成和演化的半解析研究
Semi-analytic Modelling on the Formation and Evolution of Disk Galaxies
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星系形成与演化半解析理论研究的新进展
Investigation in the Semi-Analytic Theory for Galaxy Formation and Evolution
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宇宙恒星形成历史与星系形成和演化的半解析理论
Cosmic Star formation History and the Semi-Analytic Models for Galaxy Formation and Evolution
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从星系形成和演化的角度出发,对星系结构和动力学进行粗略的评述。
Structure and dynamics of galaxies are reviewed from the point of galactic formation and evolution scenario .
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通过对核合成的研究,可以了解元素的起源、恒星的形成及星系的化学演化过程。
Through the study of nuclear synthesis , we can understand the origin of elements , star formation and chemical evolution of galaxies .
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由于高光度和高质量损失率等特性,大质量恒星在星系形成和演化等现代天体物理学的研究中扮演着重要的角色。
Due to their high luminosity and high mass-loss rates , massive stars are playing an important role in the studies of modern astrophysics , such as the formation and the evolution of galaxies .