Evaluation of ultrasonic-assisted dyeing properties of fast-growing poplar wood treated by reactive dye based on grey system theory analysis

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 2 The values of systematic characteristics behavior sequences (Y) and correlation factor behavior sequences (X)

Y ₁ (%)	Y ₂	X ₁	X ₂ (%)	X ₃	X ₄	X ₅	X ₆
14.7	10.44	20	0.1	200	120	20	15
17.1	10.53	30	0.1	200	120	20	15
25.5	10.94	40	0.1	200	120	20	15
21.8	11.30	50	0.1	200	120	20	15
16.7	12.28	60	0.1	200	120	20	15
16.6	11.54	70	0.1	200	120	20	15
25.5	10.94	40	0.1	200	120	20	15
27.1	15.60	40	0.3	200	120	20	15
29.4	16.74	40	0.5	200	120	20	15
23.2	17.45	40	1.0	200	120	20	15
18.6	16.24	40	2.0	200	120	20	15
9.2	8.97	40	0.1	0	120	20	15
12.3	9.62	40	0.1	80	120	20	15
18.5	10.56	40	0.1	120	120	20	15
23.4	11.02	40	0.1	160	120	20	15
25.5	10.94	40	0.1	200	120	20	15
11.5	9.84	40	0.1	200	30	20	15
14.4	9.99	40	0.1	200	60	20	15
19.7	10.04	40	0.1	200	90	20	15
25.5	10.94	40	0.1	200	120	20	15
24.8	11.02	40	0.1	200	180	20	15
16.7	9.39	40	0.1	200	120	10	15
25.5	10.94	40	0.1	200	120	20	15
26.6	12.40	40	0.1	200	120	30	15
28.9	12.59	40	0.1	200	120	40	15
22.4	13.90	40	0.1	200	120	50	15
18.5	9.64	40	0.1	200	120	20	10
25.5	10.94	40	0.1	200	120	20	15
29.3	12.11	40	0.1	200	120	20	20
31.2	12.87	40	0.1	200	120	20	25
24.8	13.00	40	0.1	200	120	20	30
22.1	11.22	40	0.1	200	120	20	40