Mathematical Problems in Engineering / 2015 / Article / Tab 11

Research Article

Selection of an Appropriate Mechanized Mining Technical Process for Thin Coal Seam Mining

Table 11

The resulting ranking.

2 ( = 20~40 m)3~9 ( = 40~180 m)10~12 ( = 180~240 m)13~15 ( = 240~300 m)

Partial ranking, , , , , , , , , , , /, , , ,

Complete ranking, , , ,

Notes: / shows that the priority of alternative is the same as the one of .