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...
A variety of deep - green chalcedony flecked with red jasper.带有血红色斑点的绿色石髓.His hair was increasingly flecked with grey.他头上的白发越来越多。The irises were of flecked grey.虹膜呈斑驳的灰色.He was attired in a plain, mud-flecked uniform.他身穿...