While Pierre Curie devoted himself chiefly to the physical study of the new radiations, Marie Curie struggled to obtain pure radium in the metallic state.
当皮埃尔·居里主要致力于新放射物的物理研究时，玛丽·居里却在努力提取金属态的纯镭。
2
The lesions in the 26 patients with MRI studies were most commonly found in the optic radiations.