[Retracted] Effect of Tetracycline Antibiotics on Anaerobic Digestion of Chicken Manure Based on Data Mining

Figure 5

Changes in pH and VFA in R0–R6. (a) R0, (b) R1, (c) R2, (d) R3, (e) R4, (f) R5, and (g) R6.

(a)

(b)

(c)

(d)

(e)

(f)

(g)