Hence, free radicals are dangerous and scientists believe that the continuous exposure to free radicals is the major cause of ageing and also of many degenerative diseases.
因此自由基是有害的，科学家认为自由基连续的破坏是衰老和很多退化疾病的主要原因。
The catalytic activities and ageing resistant performance of above catalysts for methane combustion was evaluated in a continuous-flow micro-reactor.
利用连续流动微型反应装置研究了催化剂的反应性能，抗老化性能及反应条件对反应性能的影响。
The catalytic activities and ageing resistant performance of above catalysts for methane combustion was evaluated in a continuous-flow micro-reactor.
利用连续流动微型反应装置研究了催化剂的反应性能，抗老化性能及反应条件对反应性能的影响。
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