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.
Air ducts and electrical cables were threaded through the complex structure.通风管和电缆在这幢结构复杂的建筑物中穿过。Ducts and pipes crisscross.管道纵横交错.One of the air-ducts has become blocked.有一条输气管堵塞了。...
He plays some passages so slowly that they become lugubrious.有些段落他演奏得异常徐缓，听上去有些忧伤。McKay walked slowly toward this screen, feeling a growing tenseness.麦凯缓缓地朝这个屏幕走来，每走一步心情都更加紧张。He talks quite slowly and spaces his words ou...
结垢是最复杂的问题.The scaling problem is the most challenging.本发明公开了一种蒸发器 防 结垢 防 结晶的方法及其装置.The invention discloses an evaporator anti - scale and anti - crystallization method and device.通过提高水稳药剂的阻垢分散性能来降低水冷器的结垢速率.The fouling ra...