搜索结果: 1-2 共查到“地质学 elemental composition”相关记录2条 . 查询时间(0.062 秒)
Simple relationship between 26Al production rate and major elemental composition of meteorite samples
production rate 26Al terrestrial age howardite eucrite
2017/4/11
Estimation of 26Al (half-life = 705 kyr) content at the time of meteorite fall is required to calculate the terrestrial age
of meteorites using the 26Al content. Previous studies (e.g., Cressy, 1971;...
Seasonal variations in elemental composition of aerosols in Xiamen, China
environmental change aerosol concentration seasonal variation enrichment factor deposition flux
2017/8/9
Rapid industrialization and economic take-off in coastal cities of China have placed great strain on the environment. In the this study, 40 aerosol samples were collected in the coast of Xiamen, Fujia...