知識(shí)貝殼
知識(shí)貝殼
Symbol: Ea The mini-mum energy that a particle,molecule,ion,etc. must acquire before it can react; i.e.the energy required to initiate a reaction re-gardless of whether the reaction is exothermicor endothermic. Activation energy is oftenrepresented as an ......（本文共 395 字 ） [閱讀本文] >>