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...
用带子把滑水板绑在船顶后，我们就在多佛登上了气垫船。Strapping the skis on the roof, we boarded the hovercraft in Dover.多佛港是英国进入欧洲的大门.The port of Dover is England's gateway to Europe.轮船在多佛港卸了货.The ship landed the goods at Dover....
I also met with Pollack again to kind of shoot the bull.我也再次和波拉克会面，两人闲聊了会儿。If raging inflation returns, then interest rates will shoot up.如果再发生严重的通货膨胀，那么利率就会迅速上调。He would rather shoot himself than compromise his principl...
Our Ref: JAH/JW.我们的编号：JAH/JW。Her former name was Sarai Hebrew meaning " Jah is prince. "她曾用名撒莱,希伯来语是 “ 扎是王子 ” 的意思.Her former name Sarai in Hebrew it means: Jah is prince.她曾用名撒莱,希伯来语是; 扎是王子的意思....
Although he was only grumbling, his choice of words made Rodney angry.尽管他只是在咕哝，可是他的措词却让罗德妮恼火。It is certain that Rodney arrived the previous day.罗德尼肯定是头天到的。Rodney was a cheerful, elegant and gregarious if rather contentio...
这本书的封面用金银装饰.The cover of the book was laid over with gold and silver.他说,总统享用的是用金银器皿盛放的法国大餐.He said the president ate French food from gold and silver dishes.何时用金银铜牌颁奖?When were gold , silver and bronze medals awarded?...
这个综合物是反磁性的, 它仅微溶于水.The complex is diamagnetic, it is only slightly soluble in water.氮化硅是一种 反 磁性和耐腐蚀大多数物质.Silicon Nitride is anti - magnetic and resistant to corrosion by most substances....