(biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription
双语例句
The results show that the milling efficiencies are significantly improved, and the milling periods are shortened by adding the activators in the processing. 结果表明，添加活化剂能够显著提高磷矿粉的粉碎效率，缩短研磨时间。
