【《科技日报》 1 999年 4月 1 4日东京报道】　最近日本原子能研究所发布消息说 ,他们利用碳热还原法在世界上首次将镅的氧化物直接还原成氮化镅 ,把处理核废物的技术大大向前推进了一步。核反应堆使用的燃料一般为铀或钚 ,在它们燃烧后的乏燃料中有大量高辐射物质。其中半衰 【Science and Technology Daily, April 1, 1999, Tokyo, Japan】 Recently, the Japan Institute of Atom Energy released news that they used the carbothermal reduction method to directly reduce the oxide in the world to nitrides in the world, Waste technology has taken a big step forward. The fuel used in nuclear reactors is generally uranium or plutonium, and there is a significant amount of highly radioactive material in the spent fuel that they burn. Half of them