The first samples were made through a nuclear reaction involving fusion of an isotope of californium, 249 Cf, with one of oxygen, 18 O. 第一样品透过核反应涉及融合的一个同位素锎,249酸钙,其中氧,18澳。
The Dubna laboratory is one of the few in the world able to handle radioactive heavy elements such as californium. 杜布纳的实验室是全世界少数几个能处理锎等放射性重元素的实验室之一。