ultrametal-poor star

Using the model of determining the relative contributions from different nucleosynthesis processes to the abundances of the heavy elements in metal poor stars,we calculate the component coefficients of 30 sample stars.

利用贫金属星中子俘获元素丰度的模型计算了 30颗样品星的分量系数 ,并详细分析了弱 s过程分量系数 C2 小于零的各种可能原

Based on our model to compute the heavy element abundances in metal poor stars, the authors study the heavy element abundance distributions in 21 metal poor stars published in 1999.

在提出的贫金属星中子俘获元素丰度的计算模型基础上研究 1 999年新发表的 2 1颗贫金属星的中子俘获元素丰度分布 。

Based on the model of computing the abundances of the heavy elements in metal poor stars,we study the influence of the errors due to the typical heavy element abundance on the three component coefficients in 18 metal poor stars,the upper and lower limits of the component coefficients are calculated.

根据贫金属星中子俘获元素丰度的计算模型 ,研究了典型中子俘获元素丰度的观测误差对代表各核合成过程相对贡献的分量系数的影响 ,给出了分量系数的变化范

Comparison of the methods of calculating the abundances of heavy elements in metal-poor stars;

计算贫金属星重元素丰度分布方法的比较

Component proportions of the abundances of three typical heavy elements in metal-poor stars;

贫金属星三种典型重元素丰度的分量比例

Brief summary on the one hoteltopic of nuclear astrophysics-study methods,history,current situation and present problems of the heavy element abundances in metal-poor stars is presented in this paper.

简要综述了核天体物理学热点课题———贫金属星重元素丰度的研究方法、历史、现状及存在的问题 ,指出了该领域今后的主攻方向。

Based on the observed abundances of several typical elements and the conclusions of the heavy elemental nucleosynthesis theory and the galactic chemical evolution theory, the authors suggest a method to determine the relative contributions from the individual neutron capture processes to the abundances of heavy elements in metal poor stars.

利用这种方法计算了贫金属星ＨＤ６２６４４ 、ＨＤ１２６２３８和ＨＤ１８４７１１ 的重元素丰度，并将计算结果与观测结果进行了比较、分析和讨论了计算结果的物理意

Comparison of the methods of calculating the abundances of heavy elements in metal-poor stars;

计算贫金属星重元素丰度分布方法的比较

Component proportions of the abundances of three typical heavy elements in metal-poor stars;

贫金属星三种典型重元素丰度的分量比例

A Parametric Approach to Mental-poor S-,R-process Both Enhanced Stars

贫金属s-、r-过程双增丰星参数化研究

The Effect of Superwind Mass Loss on Abundances of Metal-Poor AGB Stars;

星风质量损失对贫金属AGB星表面丰度的影响

The Effect of Mass Accretion on Elemental Abundances of Metal-Poor Extrinsic AGB Stars;

物质吸积对贫金属外赋AGB星元素丰度的影响

The oldest stars in the Galaxy exhibit a metal deficiency relative to hydrogen.

银河系中最年老的恒星表现出一种对氢而言的贫金属性。

Of, relating to, or characteristic of the planet Venus.

金星的属于、关于或具有金星的特征的

The little girl twisted the wire into the shape of a star.

小女孩把金属线扭成星星的形状。

The Age-metallicity Relation of Stars in Different Stellar Populations;

不同星族恒星的年龄—金属丰度关系

maundy money

[英]贫民抚恤金濯足节(复活节前的星期四)

The child twisted the wire into the shape of a star.

那个小孩把金属线弯曲成一个星状体。

Synthesis and Studies on DNA-binding of a New Er(Ⅲ) Complex with Norfloxacin;

诺氟沙星金属配合物与DNA作用的研究

A small metal knob on the muzzle of a firearm, such as a rifle, used for sighting.

准星枪炮口上，瞄准用的小圆金属突起，如来福枪上的准星

Cloning and Biology Function Research of Metallothionein Genes from Tamarix Androssowii and Puccinellia Tenuiflora;

柽柳、星星草金属硫蛋白基因克隆及生物学功能研究

People born under the sign of Taurus are strong-minded and helpful.

星座属相为金牛座的人既果断又乐于助人。

Modeling Quasar Absorption Spectra of Metals and High-velocity Clouds;

类星体金属吸收线及高速云谱线的模拟观测

Toxic Effects of Heavy Metal Pollutants Exposure on Phascolosoma Esculenta;

重金属污染对可口革囊星虫的毒性效应

The Influence of metal abundant on structure and evolution model of rotating stars;

金属丰度对转动恒星结构与演化模型的影响