[Retracted] Application of TOPSIS Method Combined with Grey Relational Degree in the Selection of Snow-Melting Agent Use Plan

Table 5

Normalized matrix table.

Plan	Sodium chloride	Calcium chloride	Magnesium chloride	Chloride mixed type	Calcium magnesium acetate
Price (yuan/ton)	0.495	0.491	0.500	0.035	0.512
Snow-melting speed	0.447	0.447	0.396	0.596	0.298
Deicing rate	0.464	0.437	0.451	0.431	0.453
Suitable working temperature (°C)	0.577	0.385	0.385	0.577	0.192
Road damage	0.391	0.391	0.387	0.633	0.379
Degree of metal corrosion	0.399	0.407	0.392	0.626	0.360
Soil impact	0.385	0.440	0.398	0.603	0.370
Water impact	0.386	0.368	0.515	0.515	0.907
Vegetation impact	0.372	0.402	0.513	0.531	0.908