Centering on the amino acids chemistry, this thesis is on the research of the seperation, purification, synthesis and resolution of amio acids and their chiral derivatives; it has also discussed about their applications in the chiral synthesis.

本论文在综述氨基酸及其衍生物的分离提纯、合成、拆分、在手性合成中的应用等方面的进展后，围绕氨基酸化学，在上述方面进行研究。

Part I Seperation and culture on microcarriers suspendingly of porcine hepatocytes Aim To establish a technique of harvesting hepatocytes of abundant sources.

第一部分：猪肝细胞的分离与微载体粘附悬浮培养 目的 获得一个具有丰富来源的肝细胞生产技术。

In this thesis we simulate and analyze the flow field of fan of hop seperation in subway with a commercial CFD software-Fluent 6.3 .

3.在CFD中建立了分选啤酒花的风机模型,并对其内部流场进行了分析,测得出风口的风速和流量。