生物制造的市本率（PC值）：定义与应用

张以恒, 陈雪梅, 石婷

Price to Cost-of-raw-materials Ratio(PC) of biomanufacturing: definition and application

Yi-Heng P. Job ZHANG, Xuemei CHEN, Ting SHI

图3 柠檬酸生产方法的猜想与比较（a）柠檬酸的现有生产方法（好氧发酵）；（b）柠檬酸未来生产方法及制造成本的猜测（厌氧固碳发酵）

Fig. 3 Comparison of citric acid production methods of (a) current production method (aerobic fermentation), (b) hypothetical production method (anaerobic carbon fixation fermentation) and estimated manufacturing cost