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

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。

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For a stationary, adiabatic flow the specific energy E, specific angular momentum L and mass accretion rate M are constant in space.

对于静态、绝热吸积流，比能量E、比角动量L和质量吸积率M都是空间的常量。

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Ice seeding prompted the conversion rate of rain to graupels, reduced the supercooled raindrops and suppressed hailstone growth by accretion.

促进雨霰转化过程，使雹胚浓度增加，并且减少过冷雨滴，抑制冰雹碰冻过冷雨滴的增长；

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