共查询到20条相似文献,搜索用时 93 毫秒
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A. Krüger 《Astronomische Nachrichten》1979,300(4):220-220
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H. Oleak 《Astronomische Nachrichten》1979,300(4):220-221
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Vladimir A. Krasnopolsky 《Icarus》2004,168(1):220
In a recent Icarus note, Podolak et al. (2002, Icarus 160, 208-211) proposed a model, which results in a significant enrichment in the D/H ratio in the coma relative to that in the comet nucleus. This conclusion contradicts to the typical HDO/H2O ice-vapor fractionation, with a smaller or equal D/H in the vapor. It is based on an error in the relationship for sublimation flux, which adversely affects all conclusions of Podolak et al. (2002, Icarus 160, 208-211). Due to the very low diffusion in the H2O ice, the HDO/H2O ratio in the coma should closely match this ratio in the nucleus. 相似文献
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Hans Joachim Haubold 《Astronomische Nachrichten》1985,306(6):342-343
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