To optimize the extraction technology of berberine from berberis.优选三颗针中小檗碱的提取工艺.Objective : To analyse the content of berberine hydrochloride in Zhibai Dihuang Wan.目的: 测定知柏地黄丸中盐酸小檗碱的含量.Conclusion: Biomembrane of berberin...
雪花轻盈飘落，无声无息。The snow was light and noiseless as it floated down.雪花如刀割般刮在他的脸上，他绷紧了双肩。He braced his shoulders as the snow slashed across his face.雪花好像融合在一起形成了冰晶。The flakes seem to fuse together and produce ice crystals....
他给她发出一份电报,说他立即返回昆斯敦.He sent her off a telegram announcing his immediate return to Queenstown.他在昆斯敦呆了很久.He remained long in Queenstown.他在昆斯敦修完了一门大学课程.He passed through a university course in Queenstown....