Advances in Materials Science and Engineering

Research Article

Influence Parameters on Nitriding Process of Ferromanganese Alloy

Table 4

Contrast coefficients of effects.
Effects()aBAbcacbcabcdadbdabdcdAcdbcdabcd
A
B
AB
C
AC
BC
ABC
D
AD
BD
ABD
CD
ACD
BCD
ABCD