the result shows that the rapid neutron capture process ( r-process) is the main source of neutron capture elements in poor-metal stars. besides, the yields of heavy neutron capture elements in stars whose metallicity is less than-2.5 may come from pure r-process.

1、

we investigate the solutions of differential equation arising in the r-process of supernova expansion, show the well-posedness of solution in general conditions.

研究了超新星爆发的R-过程出现的微分方程，证明了在一般情况下的解的适定性，并对两类特殊情况的求解作了进一步的研究。

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2、

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。

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3、

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。

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4、

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。

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5、

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。

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6、

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

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7、

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。

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8、

the s-process nucleosynthesis models for asymptotic giant branch stars

AGB星s-过程核合成模型

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9、

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。

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10、

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

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11、

distribution of neutron exposures in the s-process region of an agb star

AGB星s-过程核合成区域中子辐照量分布

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12、

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

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13、

study on the s-process abundance distribution

S-过程元素丰度分布规律的研究

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14、

studies on the component coefficient c_2 of the weak s-process

弱s过程分量系数C2的研究

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15、

it reflects, in a way, the characteristics of the s-process model.

该值在一定程度上反映了s-过程核合成模型的特点。

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16、

Uber is not yet a huge factor in the Chinese online car hailing market, which is sewn up between Kuadi Dache and Didi Dache.

中国在线打车市场还是控制在快的打车和滴滴打车手里，优步尚算不上重要力量。

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17、

Chinese online shopping portal, Taobao, has several online stores selling these counterfeit tickets at 3 RMB a piece.

中国在线购物门户网站淘宝上的众多商铺开始出售虚拟船票，每张价格3元。

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18、

The artists had been invited to a three-day exhibition last week in Kuala Lumpur organized by a Chinese online commerce group called IBICN.

他们上周应邀参加了吉隆坡一个为期三天的展出，主办方是中国在线商务网站国联资源网（IBICN）。

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19、

Helped by tough competition among newly capitalised ecommerce sites, online advertising sales in China jumped by 80 per cent last year, 22 times faster than the global average.

去年，一些新获融资的电子商务网站之间展开了激烈竞争，推动中国在线广告销售额增长80%，是全球平均增幅的22倍。

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20、

In other words, by acquiring Netflix, Alibaba would gain a powerful brand name, a global streaming footprint ( spanning 50 countries), and a plug-and-play operation for the$ 470 million Chinese online video market.

换句话说，如果收购Netflix，阿里巴巴就会获得一个响亮的品牌，对全球流媒体市场的覆盖（横跨50个国家），以及一项“即插即用”的视频业务，用于开拓价值4.7亿美元的中国在线视频市场。

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