吸积

Ba星系统的星风吸积及污染因子

Wind Accretion of the System of the Ba Star and the Contamination Factor

■Cap系统的星风吸积&角动量守恒模型

The wind accretion of the system ■ Cap & the model with conservation of orbital angular momentum

X射线脉冲双星的吸积矩理论

The Accretion Torque Theory of X ~ Ray Pulsars

星风吸积下的有盘X射线脉冲星

X-Ray Pulsars with Disk in Wind-Fed Case

Ba星星风吸积机制的再检验

Reexamination of the Wind Accretion Scenario for Ba Stars

本文在此基础上，讨论具有早型伴星的X射线脉冲星吸积过程中吸积盘与球吸积流的相互作用。

Based on this suggestion we discuss the interaction of disk and spherical accretion streams for X-ray pulsars with early-type companions .

并计算了MC过程情况下吸积盘辐射的高发射率指数α。

The high emissivity indexes of accretion disk radiation in MC process are calculated .

由物质吸积导致的Ia型超新星会在爆发前产生大量的X射线辐射。

A Type1a supernova caused by accreting material produces significant X-ray emission prior to the explosion .

同时，铁的X射线对这种吸积现象的观察资料实际上也可以反映这种巨大黑洞的影响。

X-ray observations of iron in the accretion disks may actually be showing the effects of such a massive black hole as well .

Kerr度规下黑洞吸积盘的温度分布

The temperature profile of accretion disk around the Kerr black hole

相反，来自双白矮星并合的超新星产生的X射线辐射要比吸积少很多。

A supernova from a merger of two white dwarfs , on the other hand , would create significantly less X-ray emission than the accretion scenario .

科学家发现，观测到的X射线辐射要比吸积模型预言的少上30到50倍，这有效地将该模型排除了。

The scientists found the observed X-ray emission was a factor of30 to50 times smaller than expected from the accretion scenario , effectively ruling it out .

用整个系统的角动量守恒条件代替切向动量守恒条件，且δr≠0，考虑轨道偏心率的高次项，推导了星风吸积质量及轨道参量变化方程。

Taking account of δ r ≠ 0 , through the equation of conservation of orbital angular momentum , orbital parameters equations on the mass change are re-deduced .

在光电离过程中，传播X射线的高能光子将电子从吸积盘内的原子中分离出去，这样损失掉的能量就会改变X射线的光谱特点。

Part of the difficulty is a process called photoionization , in which the high-energy photons conveying the x-rays strip away electrons from atoms within the accretion disk .

矮新星ABDra中的吸积盘模型

On the accretion disk in AB Draconis

X射线脉冲星周期的变化与吸积盘边界的K-H不稳定性

The variation of pulse period of a X-ray pulsar and K-H instability at the boundary of the accretion disk

外赋AGB星星风吸积的角动量守恒模型

Conservation of angular momentum for the wind accretion of extrinsic AGB stars

星风吸积双星演化模型下的外赋AGB星

Extrinsic AGB Stars on Wind Accretion Binary Evolution Model

吸积盘中心黑洞的熵变与B-Z过程

Entropy Change of Central Black Holes of Accretion Disks and B Z Process

“袭击使小塑料球变成了一个能量极高的X射线源，释放出类似来自黑洞周围吸积盘中的X射线，”该研究的首要发起人、物理学家藤冈申介说。

That turned the pellet into " a source of [ immensely powerful ] x-rays similar to those from an accretion disk around a black hole ," says physicist and lead author Shinsuke Fujioka .

类星体和X射线双星等很多宇宙中的天体系统的能量都来源于引力能，而吸积正是释放引力能的一种有效机制。

Gravitational energy is the energy source of many astrophysical systems in the universe , such as quasar and X-ray binaries , etc , and accretion is an effective mechanism of releasing gravitational energy .

计算了粘滞演化阶段原太阳吸积盘结构.在超细颗粒的受力中考虑了粘性阻力和Brownian运动扩散力。

The structure of protosolar accretion disk during viscous diffusion stage is calculated . Viscous forces and Brownian diffusion forces are considered .

物质吸积的外赋AGB星参数化模型

Mass Accretion Parametric Model of Extrinsic AGB Stars

这些光谱探测开拓了恒星包层、角动量转移和CV演化中吸积物理学研究的新前沿。

These spectroscopic detections have opened new frontiers of investigation into the accretion physics in the stellar envelope , angular momentum ' transfer and CV evolution .

一个碳氧白矮星可以通过洛希瓣物质交流或者通过星风从其伴星吸积物质，从而增加自身质量，最终由于不稳定的热核燃烧而发生Ia型超新星爆炸。

A carbon-oxygen white dwarf may explode as Type Ia supernova by accreting matter from its company via either Roche lobe overflow or wind .

本文在这两种模型的基础上，研究了磁场对中微子主导吸积盘的影响，并对X射线耀的产生机制提供了一种可能的方案。

Based on these two kinds of model , we investigate the effects of magnetic field on neutrino-dominated accretion disk , and we also suggest a possible mechanism for X-ray flares which were observed in GRBs afterglows .

如果将QPO与铁Kα线结合起来，则有可能对吸积盘内区的特性作出更准确的判断。

The characteristics of inner disk region may probably be understood better if we use the methods of QPOs and Fe Ka lines together .

利用黑洞吸积盘演化的基本方程组，在纯吸积情况下，求得了薄、厚吸积盘及一般厚吸积盘的黑洞视界半径rH的演化方程。

The basic evolution equations of black hole accretion disks are used to derive the evolution characters of horizon radius r H of black hole surrounded by thin the thick disks respectively .

在本文中我们通过AGB星研究了此临界吸积率和金属丰度之间的关系。

In this thesis , we study the relation between the critical accretion rate and the metallicity via AGB stars approach .

包含我的研究群在内，天文学家正试著了解MRI如何作用在黑洞周边高热而不透明的吸积盘。在中子星或黑洞伴星上发生吸积的模型，仍应看成是一个有价值的假说。

My group and others are trying to figure out how MRI works in hot , opaque accretion disks around black holes . The model comprising accretion onto a neutron star or black hole companion must still be considered a favored hypothesis .