CHP can produce electricity energy and make full use of the waste heat energy. Hence its total thermal efficiency is much more than the traditional energy conversionplant.
CHP既能发出电能，又能充分利用余热能量，使其总的热效率远远超过传统的能量转换装置。
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Japan itself had a Level 4 accident in 1999, when three workers preparing fuel for a reactor at a Japan Nuclear Fuel Conversionplant triggered a nuclear chain reaction, called a criticality.
The Isfahan conversionplant, which produces uranium hexafluoride (UF6, the uranium compound that is passed as a gas into the centrifuges to be enriched), is above ground and vulnerable to attack.