• 常压
• Ambient pressure
• 缓冲液控制pH
• Buffers needed to control pH
• 在线取样难
• In-process sampling difficult
• 容量减少
• Volume decrease by evapwth on side walls
含药物滤纸
zones of inhibition (no growth) 抑菌圈
Agar diffusion assay
10
分析仪器 Analytical instruments
现代分析仪器: • 核磁共振 • 毛细管电泳 • 气相色谱 • 高效液相色谱 • 质谱
Modern analytical instruments:
• 10-100,000 liter vessels
• Batch and feed possible
• Continuous control: pH, temperature
• Ammonium salts or ammonia needed
• Pressure at two atmospheres possible
• No buffers necessary
• In-process sampling easy
• Volume increase by sugar feed
• Very uniform growth
• Antifoam often required
• Wide variety of impellers and baffles
情境3 药品抗生素-链霉素发酵合成
学习目的与要求 (1)知识目标: (2)能力目标: (3)情感目标: