目的: 采用分光光度法,以芦丁为标准品测定异叶青兰中的总黄酮含量. Objective: Flavonoids in Dracocephalum heterophyllum was investigated by spectrometric method with rutin as standard material.
There was a pile of mail, memos and telephone messages on his desk.他的办公桌上堆满着信件 、 备忘录和电话通知.Big shots get their dander up and memos start flying.大人物们怒火中烧,备忘录四下乱飞.Here we are, Sheila? Mr. Blake has signed all the letters an...
He was taken to task for soldiering on the job.他因磨洋工而受到斥责.The relief workers kept soldiering on.救援人员不屈不挠地继续工作.Faced with the dilemma, he opted for soldiering on.面临着进退两难的困境, 他决定顽强地坚持下去....
他打算和青年人谈谈艾滋病的危害。He intends to talk to young people about the dangers of AIDS.低价进口品将会对该行业造成危害。Low-priced imports will harm the industry.这药能减轻病毒的危害。The drug attenuates the effects of the virus....
There are some dirts there.那儿有一些污垢.A defect caused by worn gears or dirts gathered on gears of a press cylinder.是印刷机上的圆筒齿轮因磨蚀或污物堆积所引致的故障.Paper samples must be free of fingerprints, dirts, wrinkles, and stored in a clean ...
The man was brutish and coarse.那人野蛮粗俗。Whoso loveth instruction loveth knowledge: but he that hateth reproof is brutish.1喜爱管教的,就是喜爱知识.恨恶责备的,却是畜类....brutish bullying.野蛮的欺凌The enjoyment of others is brutish.其他人的胃口都是粗俗的.a br...