The existence in Paris at the Radium Institute of a stock of 1.5 grams of radium made a decisive contribution to the success of the experiments undertaken in the years around 1930.
存在于巴黎镭研究所的1.5克镭的库存对在大概1930年进行的实验的成功作出了决定性的贡献。
2
France's entire stock of radium for research was the single gram in Curie's lab.