时间(h)

L

a

b

ΔE

0

−14.2560

−0.3674

−0.3423

0

0.5

20.0749

−10.3262

−3.8989

36.8200

1

19.1131

−10.1704

−3.9141

34.9788

2

19.2964

−8.2656

−3.1312

34.0584

3

18.4849

−9.0468

−3.2344

33.9365

4

18.5624

−6.8496

−1.4355

33.9357

5

16.4517

−8.4165

−2.4416

33.5939

6

12.3108

−16.4955

−6.0222

33.2352

7

17.6203

−9.4379

−2.8324

33.1386

8

17.1467

−10.3710

−3.0195

32.9783

9

17.0952

−9.4193

−3.0196

32.5393

10

16.8125

−9.3754

−2.9518

32.3316