The Influence of Turbulent Stress to Structure and Evolution of AGB Star;
湍流應(yīng)力對AGB星結(jié)構(gòu)與演化的影響
Based on the present s-Process nucleosynthesis models for AGB stars, with~(13)C pocket releasing neutrons radiatively in interpulse period, using the simplified assumption that the~(13)C pocket is subdivided into three layers, the asymptotic distribution of neutron exposures in the He intershell is investigated.
根據(jù)13C殼層在脈沖間隔期間輻射燃燒釋放中子的AGB星s(slow) 過程核合成模型,采用3層簡化假設(shè),研究了氦中間殼層的中子輻照量漸近分布。
Based on the model of stellar structure and evolution concerning turbulent stress,the evolutions of the early AGB star with initial mass 7M⊙ are computed by means of different mixing parameter.
考慮湍流應(yīng)力作用下恒星的結(jié)構(gòu)與演化模型,計算7M⊙早期AGB星在三個不同混合長參數(shù)α下的演化。
Characteristics of the Distribution of Neutron Exposures in Low-mass AGB Stars
AGB星中子輻照量分布的特點
In present study,the relations between ration of the heavy to lingh s-element(slow neutrue capture element)abundances,heavy s-element abundances,lingh selement abundances and the average neutron exposure are calculated for the extrinsic AGB stars,respectively.
以內(nèi)稟AGB星重元素豐度的演化和外賦AGB星重元素超豐的計算為基礎(chǔ),計算了外賦AGB星較重s-元素豐度、較輕s-元素豐度、重s-元素和s-元素豐度的比與平均中子輻照量的關(guān)系,從理論上定量解釋了外賦AGB星s-元素與金屬豐度的逆相關(guān)性。
According to the latest model of TP-AGB stars,we put forward a kind of parametric method which calculates element abundances in the envelope of AGB stars.
根據(jù)最新的TP-AGB恒星模型,提出了一種計算AGB星外包層元素豐度的參數(shù)化方法,利用該方法計算了兩顆純s-過程AGB星的表面元素豐度,并通過與Aock等人計算結(jié)果的比較,對該方法進行了論證。
Combining the scenario of TP-AGB stars radiative s-process nucleosynthesis and the change equations of the Binary stars wind accretion model orbital elements,using the method of pulse mass accretion and mixture one time after anther,we calculate the evolution process of large numbers of Low-mass Binary stars and count the distributed rules of extrinsic AGB stars evolved into Lead-stars.
將TP-AGB星輻射s-過程核合成模型與雙星系統(tǒng)星風(fēng)吸積模型的軌道根數(shù)變化方程相結(jié)合,采用逐次脈沖吸積質(zhì)量與混合的方法,對大量低質(zhì)量雙星系統(tǒng)進行演化計算,統(tǒng)計外賦AGB星形成鉛星的分布規(guī)律。
Extrinsic AGB Stars on Wind Accretion Binary Evolution Model
星風(fēng)吸積雙星演化模型下的外賦AGB星
AGB Star Evolved Characteristic and Heavy Element Nucleosynthesis;
AGB星的演化特征及其重元素的核合成
The Influence of Turbulent Stress to Structure and Evolution of AGB Star;
湍流應(yīng)力對AGB星結(jié)構(gòu)與演化的影響
A Calculative Method of Element Abundances in the Envelope of AGB Stars;
一種AGB星外包層元素豐度的計算方法
Mass Accretion Parametric Model of Extrinsic AGB Stars
物質(zhì)吸積的外賦AGB星參數(shù)化模型
The Effect of Superwind Mass Loss on Abundances of Metal-Poor AGB Stars;
星風(fēng)質(zhì)量損失對貧金屬AGB星表面豐度的影響
The Effect of Mass Accretion on Elemental Abundances of Metal-Poor Extrinsic AGB Stars;
物質(zhì)吸積對貧金屬外賦AGB星元素豐度的影響
Impact of Metal Abundances on S-process Nucleosynthesis Parameters in AGB Stars
金屬豐度對AGB星s-過程核合成參數(shù)的影響
Influence of Mixing Parameters on Structure and Evolution of Early AGB Star
混合長參數(shù)對早期AGB星結(jié)構(gòu)與演化的影響
Distribution of Neutron Exposures in the S-process Region of an AGB Star
AGB星s-過程核合成區(qū)域中子輻照量分布
The stellar s evolutionary features at AGB stage;
恒星在AGB階段的結(jié)構(gòu)演化及其特征
Cloning of Cysticercus cellulosae AgB Gene by Using Splicing Overlap Extension PCR Method and Expression in BHK Cells
重疊延伸PCR法擴增豬囊尾蚴AgB基因及其在BHK-21細胞中的表達
Co-Expression of Echinococcus granulosus AgB Subunit Genes and Serological Evaluation of the Recombinant Antigens
細粒棘球蚴AgB亞單位基因的聯(lián)合表達和血清學(xué)評價
The smaller Rocky worlds are Mercury, Venus, Earth and Mars. The four huge gas planets are Jupiter, Saturn, Uranus and Neptune.
類地行星是水星、星、球和火星。四類木行星木星、星、王星和海王星。
The brightest or main star in a constellation.
主星，阿爾法星星座中最亮的星或主星。
A cluster of stars smaller than a constellation.
星群，星座比星座小的一簇星星
Of, relating to, emanating from, or resembling the stars.
星的星的，關(guān)于星的，星芒的，似星的
Thursday, Wednesday, Tuesday,
星期四，星期三，星期二，