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Table 3 Entropy weighting of 12 indicators in similarity evaluation

From: Rule design and status quo evaluation on cross-industrial wastewater emissions trading in China’s typical industrial sectors

IndicatorCODeCODaCODdPetroNH3-NVP
\(\omega_{i}\)0.1870.130.0430.0730.0670.075
IndicatorCN-CrAsPbCdHg
\(\omega_{i}\)0.0710.080.0720.0640.0910.047