Advances in Materials Science and Engineering / 2009 / Article / Tab 6

Research Article

The Effect of Novel Binary Accelerator System on Properties of Vulcanized Natural Rubber

Table 6

Double-Factors experiment plan (22), typical data.

BObservationsTotalsAveragesEstimationResidue

11Y 1,1,1 Y 1,1,2Y 1,1,n Y 1. Y 1.e
22Y 2,2,1 Y 2,2,2Y 2,2,nY 2. Y 2.e
abYa ,b,1 Ya ,b,2Ya,b,n Ya,b. Ya,b,e

: number of different levels of factor ;
: ;
: ;