为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

分析了飞行器围绕小行星轨道运动的特点,介绍了所建立的表述这一问题的理论基础.采用三种不同方法从几个侧面揭示了这一问题的本质......

The aim of this study is to compare the experimentally shock-induced features with those in naturally shocked chondrites......

A map of the asteroid motion is studied carefully. An exponential diffusion law in the chaotic sea and an algebraic law ......

Grove Mountains (GRV) 99018 is a new eucrite (0.23 g), consisting mainly of pyroxene (50.5 vol%) and plagioclase (37.2 v......