本书包含生物化学技术七大应用最广的龙头技术，即层析分离技术、分光光度技术、电泳分离技术、膜分离技术、离心分离技术、沉淀分离技术和化学检测技术。在实训操作训练的安排中，以企业真实项目为载体，将近几年在教学过程中编写和使用的学生实践手册—《生化技术工作岗位记录和报告》融入教材，使学生在校就学习到企业工作方法。（This book contains seven leading technologies of biochemical technique with the widest application, namely chromatographic separation technique, spectrophotometric technique, electrophoretic separation technique, membrane separation technique, centrifugal separation technique, precipitation separation technique and chemical testing technique. In the practical operation training arrangement with the real project of enterprises as the carrier, Records and Reports by Biochemical Post, which is the students practice handbook compiled and applied during the teaching in recent years, is integrated into the teaching material, enabling students to learn working methods applied in enterprises when they are in school.）