| 单词 | radiation catalysis | 
| 释义 | radiation catalysis [´rād·ē`ā·shǝn kǝ`tal·ǝ·sǝs]  CHEMISTRY The use of radiation (such as gamma, neutron, proton, electron, or x-ray) to activate or speed up a chemical or physical change; for example, radiation alone can initiate polymerization without heat, pressure, or chemical catalysts.  | 
	
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