2、That is called the nuclear chain reaction.
1、Capable of sustaining a nuclear chain reaction.
3、A fission reactor works by maintaining a controlled nuclear chain reaction.
5、Japan itself had a Level 4 accident in 1999, when three workers preparing fuel for a reactor at a Japan Nuclear Fuel Conversion plant triggered a nuclear chain reaction, called a criticality.
4、9 SEC the control rods, made of boron and silver, are lowered, which slows down the nuclear chain reaction within the core.