In this presentation we take the view that frequency dependence of ferroelectric hysteresis is a result of direct co......

针刺镇痛的机理研究发现，不同频率的电针刺激释放中枢内不同的阿片肽，即２Ｈｚ低频电针主要释放β－内啡肽，而１００Ｈｚ高频电针主要释放强啡肽。本实验......