经纯化后催化活性实验结果表明,醛缩酶可将N- 乙酰 -D- 甘露糖胺高效率地转化为N - 乙酰-D-神经氨酸,表现出较高的催化活性.The enzyme activity test results showed that aldolase could transform Nacetyl - D - ManNAc into N - acetyl - D - neuraminic acid very efficiently....
The characteristics on CT were summarized about lung, mediastinum and chest wall.结合临床,总结肺 、 纵隔及胸壁ct的影像学特征.Objective To investigate the normal position and configuration of anterior mediastinum.目的探求正常成人前纵隔的位置和形态.Objective...