No interbody fusion cage sink, dislocation or plate and screws looseness and breakage was found.无椎间融合器下沉 、 脱位,无钢板及螺钉松动或断裂现象.Brushing wet hair can cause stretching and breakage...梳理湿头发会拉抻头发，造成损伤。There was a great deal of ...
目的: 从佩兰中提取挥发油,并测定其含量.Objective : To extract and determine naphtha in Eupatorium fortune.方法: 采取超临界CO2萃取 、 微波萃取和水蒸汽蒸馏三种方法提取佩兰挥发油.Method: The volatile oils were obtained with supercritical CO 2, microwave and stream distill...