This introduces application of thin layer chromatograph, HPLC and NMR on separating and analysis of lipositol. 并介绍了薄层色谱法 、 高效液相色谱法及核磁共振等方法在肌醇磷脂分离和分析中的应用.
一名身穿晚礼服的表演者用小提琴演奏了几段古典音乐。A performer in evening dress plays classical selections on the violin.该电台不得不播放大量的古典音乐。The radio station has to include a substantial proportion of classical music.加德纳一直不懈地追求古典音乐演奏的高水准。Gardiner ha...
Such measures would be highly impracticable and almost impossible to apply.这样的措施非常不切实际，几乎不可能付诸实施。It would be impracticable for each member to be consulted on every occasion.不可能每一次都征求每个成员的意见。The damage it would cause make...
I felt loath to sully the gleaming brass knocker by handling it.我不愿意伸手去抓那闪亮的黄铜门环，怕把它弄脏。Number 30 has a red door and a brass knocker.30号有一扇红门和一幅铜门环.The knocker is oblong in shape, and of the kind our ancestors called " ja...