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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

Indicator

CODe

CODa

CODd

Petro

NH3-N

VP

\(\omega_{i}\)

0.187

0.13

0.043

0.073

0.067

0.075

Indicator

CN-

Cr

As

Pb

Cd

Hg

\(\omega_{i}\)

0.071

0.08

0.072

0.064

0.091

0.047