@inproceedings{oai:jaxa.repo.nii.ac.jp:00020550,
 author = {福井, 隆 and 倉本, 圭 and Fukui, Takashi and Kuramoto, Kiyoshi},
 book = {第38回月・惑星シンポジウム, Proceedings of the 38th ISAS Lunar and Planetary Symposium},
 month = {Mar},
 note = {Compositional evolution of the inner portion of a protoplanetary disk at late accretion stage is examined to reproduce the evolution of the solar nebula inferred from information about chondrites, especially about their O-isotopic compositions and redox states. Temporal variation of disk composition is simulated by performing numerical calculation for advective-diffusion in accretion disk and taking into account the effects of preferential dust migration and evaporation of H2O ice and organics. The estimated time scale of compositional evolution is consistent with chronological suggestion for the interval between formation of CAIs (Ca and Al rich Inclusions) and chondrules. If the disk accretion rate rapidly decays, C/O ratio of innermost disk significantly changes. A reduced environment which can produce SiC would be formed at the inner edge of disk. Heterogeneous recycling of produced SiC would have controlled the redox state of chondrites., 資料番号: AA0063350035},
 pages = {128--131},
 publisher = {宇宙航空研究開発機構宇宙科学研究本部, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)},
 title = {Evolution of oxygen isotopic composition and C/O ratio at late stage of protoplanetary accretion disk},
 year = {2006}
}