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Table 1 The bacterial community differences with group (no potential, − 0.058 V) and higher potentials application group (+ 0.242 V, + 0.542 V and + 0.842 V) at 150 h by Adonis analysis

From: Application of electric potential improves ethanol production from xylose by active sludge

  R2a Pa
150 hb 0.473 0.001***c
  1. aStatistic (R2) and significance (P) of differences between groups (with or without potential application for 150 h) are calculated by Adonis analysis using OTU-based Bray–Curtis distances
  2. b150 h: samples with or without potential application for 150 h
  3. c, *** is used to show statistical significance at the 0.001 level