在脱氨作用中, 分子 含氨基 的部分被移去.In deamination, the nitrogen - containing amino portion of the molecules is removed.叠氮还原是向有机分子中引入氨基的重要方法.Reduction of azides is an important method to introduce amino group to organic molecules.采购产品...
Precipitates are usually collected by centrifugation at intervals.常常是用离心法分段收集沉淀的.Try to get into the habit of eating at least three small meals a day, at equally spaced intervals.尽量养成每天至少吃3顿小餐的习惯，而且每餐的间隔要相同。She began to ...
Peru: Cuzco and Apur í mac and Huallaga rivers & Colombian border.秘鲁: 库斯科,阿亚库乔地区,埃内河谷,阿普里马克省和瓦亚加河 和 哥伦比亚边境.The incas believed that cuzco was the navel of the universe.印加人认为库斯科是宇宙的中心....
应该鼓励这个民族从怠惰的状态中奋起.The nation must be aroused from its unwillingness to work.豪言壮语促使他奋起行动.He was roused to action by courageous words.他突然奋起.He made a sudden spurt....
degenerative diseases such as arthritis诸如关节炎之类的变性病It produces a degenerative effect.它起着负反馈的作用.As a result of these degenerative changes, the lymphoreticular centers of the entire body are stimulated.这些变性的变化刺激整个身体的淋巴网状中心....