The release patterns of norgestrel in NRID in vivo were simulated after the norgestrel in NRID was dissolved by acetone and the rest of norgestre was determined by Ultraviolet Ray Spectrometer.
在实验室用丙酮溶解,并用紫外线光光度仪测定每枚NRID内酮剩余量,计算每枚NRID内酮释放量,模拟析NRID主酮在山羊体内的释放规律。