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1Progress of Planetary Science in China显示文摘The national and international progress in deep space exploration has greatly promoted the development of planetary science in China.Substantial progress in different areas of planetary science has been achieved in 2020-2022.In this report,we summarize the research achievements obtained in China in the last three years.The achievements include the research on geology,geochemistry,and space physics of the Moon,Mars,Mercury,Venus,giant planets,asteroids,and comets.The recent work on science objectives,mission payloads,and analytical capabilities that supports the lunar and deep space exploration program of China has also been introduced in this report.Finally,we report the progress on developments of discipline and research team of planetary science in China.HUI Hejiu RONG Zhaojin ZHANG Jinhai HU Sen LIN Honglei WEI Yong LIN Yangting 2022空间科学学报2022,42,4:0
2球粒陨石中富Al球粒的氧同位素组成与形成演化过程显示文摘球粒陨石中的富Ca、Al包体(简称CAIs)主要由一些富Ca、Al的硅酸盐和氧化物(如尖晶石和黄长石等)组成,是目前已知的太阳系最古老的固体物质(4567.2±0.6 Ma;4567.30±0.16 Ma);球粒的矿物组成以镁铁质硅酸盐(如橄榄石和低Ca辉石等)为主,明显经历过熔融结晶过程。CAIs及其构成矿物具有最富;O的同位素组成特征,并在氧同位素δ;O-δ;O图解上构成一条斜率接近1的直线,这条直线常称为碳质球粒陨石无水矿物线(简称CCAM线)。镁铁质硅酸盐球粒一般具有贫;O同位素组成特征。戴德求 包海梅 何旺虎 尹锋 2022地质学报2022,96,2:0
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