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...
对于这种突然变化的信念, 在胚胎学上提出了强有力的反证.Against the belief in such abrupt changes, embryology enters a strong protest.胚胎学的经典文献详细地报道了合子的这些式样.The classical literature of embryology documents these patterns in detail for the zygote.胚胎学...
The window panes were running with condensation.凝结的水珠在窗玻璃上流动。Rain had begun to streak the window-panes.雨水已经开始在窗玻璃上冲出道道条痕。Feeble gleams of encrimsoned light made their way through the trellised panes.几道红艳艳的微光,透过格子玻璃射进来.It...
Petitioners suggest that anything less than certainty, that any speculation, is irresponsible.申诉者认为不准确的事或推断都是不负责任的.The judge awarded the costs of the case to the petitioners.法官判定由这起案件的上诉人支付诉讼费用。The modern trend, however,...