such superheavy elements are usually very radioactive and decay away almost instantly.
这种超重元素通常是具有非常强的放射性,并且几乎立即会发生衰变。
the target chamber and the rotating target wheel for synthesis of superheavy elements at radioactive ion beam line of lanzhou(ribll) are described in the paper.
文章介绍兰州重离子加速器放射性次级束流线(ribll)的超重元素合成实验靶室和转靶系统,并对改进的真空密封磁耦合传动机械作简单描述。
the progress and challenge on studies of superheavy elements both experiments and theories has been briefly introduced.
简单介绍了近年来在超重核研究方面所取得的成就和理论方面所面临的挑战。