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Table 1 Seasonal impact factors of five products

From: Material product life cycle analysis driven by industrial internet of things

Month/season coefficient S(w1) S(w2) S(w3) S(w4) S(w5)
1 0.773174 0.686836 0.651691 0.355131 1.247094
2 0.672492 0.56066 0.35912 0.251499 0.349567
3 0.587297 0.744896 0.540004 0.25159 0.177394
4 0.758173 0.592848 0.115021 1.613155 0.096145
5 0.568654 0.668083 0.810622 1.252027 0.242177
6 0.650443 0.646095 0.593017 1.257241 0.871133
7 0.943826 0.935883 1.158385 1.382376 3.168278
8 1.032712 0.737444 1.774132 1.788793 1.72654
9 1.469133 2.335874 2.361638 2.540968 3.253389
10 2.498147 1.805421 1.803175 1.171413 0.781193
11 1.284655 1.063731 0.948811 0.774244 0.0830949
12 0.775062 1.045804 1.015767 0.860135 0.344592