核能是什么?

2025-02-27 18:50:20
推荐回答(2个)
回答1:

核能的利用是人类未来能源的一个重要希望,从目前的科学技术水平看,人们开发核能的途径有两条:一是重元素的裂变,如铀;二是轻元素的聚变,如氘、氚。重元素的裂变技术,已得到实际应用;轻元素聚变技术,正在积极研制之中。不论是在核裂变反应的重元素铀,还是核聚变反应的轻元素氘、氚,在世界大洋中的储藏量都是巨大的。

海水中氘的含量为十万分之三,即1升海水中含有0.03克氘。这0.03克氘聚变时释放出来的能量等于300升汽油燃烧的能量,因此,人们用“1升海水=300升汽油”这样的等式来形容海洋中核聚变燃料储藏的丰富。氚除了用作核武器的材料外,其他用途很多。氚最容易在高温条件下与氘实现核聚变反应,释放出巨大能量。

回答2:

一分钟了解核能

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