Impact of Metal Abundances on S-process Nucleosynthesis Parameters in AGB Stars 金属丰度对AGB星s-过程核合成参数的影响
At a given mass, the higher metallicity favors the nucleosynthesis of Pb. 对给定恒星初始质量情况,较高的金属丰度有利于铅元素的核合成。
It is very significant to Ba stars for heavy-element nucleosynthesis and Galactic chemical evolution. 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。
Nucleosynthesis of Elements Chiral Compounds 元素核合成手性化合物
Progress in the Study of the s-Process Nucleosynthesis on the Asymptotic Giant Branch AGB星s-过程核合成相关问题的研究进展
Nucleosynthesis of Elements in Evolution Processes of Asymptotic Giant Branch Stars AGB星演化过程中的元素核合成
The s-Process Nucleosynthesis Models for Asymptotic Giant Branch Stars AGB星s-过程核合成模型
The development history of the nucleosynthesis theory of elements, which was presented by E. M. Burbidge. G. 简单介绍了元素的核合成理论发展的历史和现况。
S-process Nucleosynthesis in AGB Star: the Probability of a Fe Seed Nucleus Experiencing Neutron Irradiation AGB星s-过程核合成:铁种子核受中子照射的概率
A brief account of the process of galaxy chemical elements nucleosynthesis is presented, including nuclear ignite process, s-process, r-process. 简述了恒星化学元素的核合成过程,包括一系列核燃烧过程,r-过程,s-过程。
Carrying out a series of Monte-Carlo simulations, the works of orbital elements of binaries are recalculated considering the influence of initial metallicity on S-process nucleosynthesis of intrinsic AGB stars, and here we adopt wind accretion scenario with the total angular momentum conservation. 本文采用星风质量吸积的角动量守恒模型,并考虑到初始金属丰度对AGB星s-过程核合成的影响,用Monte-Carlo方法研究了弱钡星系统和强钡星系统的轨道根数的变化规律。
A Very Important Process of Nucleosynthesis in Stars 一种极为重要的恒星核合成过程
Recent Progress in the Research of Big Bang Nucleosynthesis 大爆炸核合成研究的新进展
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. 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。
In this paper, the authors especially discuss the influence of the observed abundance errors on the component coefficients of different nucleosynthesis processes. 这也说明较轻的和较重的中子俘获元素的核合成场所不同,即具有不同的核合成机制.同时还特别讨论了丰度观测误差对表征各核合成过程的分量系数的影响。
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. 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。
Nucleosynthesis of~ 26Al in explosive nuclear burning of supernovae is discussed. 讨论了迄今超新星爆发理论中各种爆炸性核燃烧核合成26Al的问题。
The explosive nucleosynthesis in the astrophysical environment and its close link to nuclear structure are discussed. 讨论了天体物理环境中爆发性核合成及其与核结构的紧密关系。
Sites for r-process Nucleosynthesis and Scatter of Abundance for Heavy Elements r-过程核合成的场所和重元素丰度的离散
The main three developing phases of the s-Process Nucleosynthesis Models for AGB Stars are reviewed. 简介AGB星s-过程核合成模型在其发展过程中所经历的三个主要阶段。
Fluorine Nucleosynthesis in Low-mass AGB Stars during the Thermal Pulse Phase 小质量AGB星热脉冲阶段氟的核合成
Explosive Nucleosynthesis and Nuclear Structure 爆发性核合成与核结构
S-process nucleosynthesis may be a useful constraint for the evolution and convection in massive stars. S.过程核合成可以为大质量星的演化和对流提供有用的约束。
The heavy elements Nucleosynthesis in the low mass AGB stars 低质量AGB星重元素的核合成
In recent years, discovery of s-process nucleosynthesis theory of AGB stars has already made more progress than that of r-process. At present, researching the astrophysical site and physical conditions about r-process nucleosynthesis of metal-poor stars is still important topics. 近年来,AGB星s-过程和r-过程核合成理论的研究已经取得了多方面的进展,相对而言贫金属星r-过程核合成场所及相关物理条件仍然是当前核天体物理学研究领域的重要前沿课题。
The metal-poor stars are known as the stellar evolution history of the "fossil." Studying the nucleosynthesis element abundances to test nucleosynthesis theories and exploration of star formation have great significance. 贫金属星被称为是恒星演化历史的“化石”。研究其核合成元素丰度,对检验核合成理论和探索恒星形成具有十分重要的意义。
Predict from a theoretical point to view for the element abundances, and explore the distribution of element abundances characteristics and laws, so as to further discuss the r-process nucleosynthesis process and the possible site. 用以从理论角度预言元素丰度,探索元素丰度分布的特征和规律,从而进一步讨论r-过程核合成的分量过程及可能的场所。
Researchers can also effectively trace the evolutionary history of the Milky Way since its formation, understand the nucleosynthesis theory, and examine the existing models of the universe by comparing stellar evolution models and observing results to promote researchers updating understanding of universe evolution. 将恒星演化模型与观测结果进行对比,还能有效地追踪银河系自形成以来的演化历史、理解核合成理论,并且对现有的宇宙模型作出检验,促使人们对宇宙演化有更新的认识。
Therefore, the work for the r-process of this article, as well as for the nucleosynthesis of the studies have very important significance. 因此本文的工作对于r-过程,以及核合成的研究都具有非常重要的意义。