abundance ratio of isotopes
Ba isotopes cross section
Boron and chlorine isotopes
Boron-isotopes determination
buildup of higher isotopes
Carbon and Hydrogen Isotopes
CARBON AND OXYGEN ISOTOPES
碳、氧同位素
氧碳同位素
永定桥水库
碳氧同位素
碳氧同位素比值
carbon and oxygen isotopes of carbonate