NH3 isotope ratios of Galactic disk sources

Our aim is to measure the interstellar ^14^N/^15^N ratio across the Galaxy, to establish a standard data set on interstellar ammonia isotope ratios, and to provide new...本研究旨在测定银河系内星际^14^N/^15^N比值，建立星际氨同位素比值的标准数据集，并提供新的……