搜索结果: 1-4 共查到“行星际物理学 abundance”相关记录4条 . 查询时间(0.046 秒)
Radial abundance gradients as observational constraints of galactic evolution：
planetary nebulae galactic evolution
2009/6/25
Radial abundance gradients as observational constraints of galactic evolution：
planetary nebulae and other objects。
Using planetary nebulae to determine the abundance gradient in the galaxy
planetary nebulae the galaxy
2009/6/25
Using planetary nebulae to determine the abundance gradient in the galaxy。
A new determination of the primordial helium abundance
The o II recombination line abundance problem in planetary nebulae
planetary nebulae o II recombination line
2009/6/8
The o II recombination line abundance problem in planetary nebulae。