| 单词 | Lawson criterion | 
| 释义 | Lawson criterion [`lȯs·ǝn krī´tir·ē·ǝn]  PLASMA PHYSICS The requirement for the energy produced by fusion in a plasma to exceed that required to produce the confined plasma; it states that for a mixture of deuterium and tritium in the temperature range from 1 × 108 to 5 × 108 degrees Celsius, the product of the ionic density and the confinement time must be about 1014 seconds per cubic centimeter.  | 
	
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