Test No. | Actual content of stem (%) | Determination of stem |
Relative error (%) |
---|---|---|---|
1 | 1.0000 | 0.9689 | −3.11 |
2 | 1.5000 | 1.4712 | −1.92 |
3 | 2.0000 | 2.0552 | 2.76 |
4 | 2.5000 | 2.4090 | −3.64 |
5 | 3.0000 | 2.9538 | −1.54 |
6 | 3.5000 | 3.4926 | −0.21 |
7 | 4.0000 | 3.9033 | −0.06 |
8 | 4.5000 | 4.4258 | −2.03 |
9 | 5.0000 | 4.9108 | −1.78 |
10 | 6.0000 | 6.1432 | 2.34 |
Test No. | Value | Relative deviation (%) |
---|---|---|
1# | 16632 | 0.10 |
2# | 16588 | −0.17 |
3# | 16613 | −0.02 |
4# | 16642 | 0.16 |
5# | 16621 | 0.03 |
6# | 16600 | −0.10 |
Test No. | Number of detected long stem | Number of total long stem | Identification accuracy (%) |
---|---|---|---|
1 | 49 | 50 | 98.00 |
2 | 50 | 50 | 100.00 |
3 | 50 | 50 | 100.00 |
Average | — | — | 99.33 |
Samples | Apparent density (g/cm3) | Thickness (mm) | Area density (g/cm2) |
---|---|---|---|
Leaves | 0 | 0 | 0 |
Stems (2.38 mm) | 1 | 2 | 0 |
Stems (1.50 mm) | 1 | 1 | 0 |
Test No. | Number of detected thick stem | Number of total thick stem | Identification accuracy (%) |
---|---|---|---|
1 | 47 | 50 | 94.00 |
2 | 49 | 50 | 98.00 |
3 | 46 | 50 | 92.00 |
Average | — | — | 94.67 |
Sample | Actual content of stem (%) | ISO method | X-ray method | ||
---|---|---|---|---|---|
Detected content (%) | Relative error (%) | Detected content (%) | Relative error (%) | ||
3000 g leaves + 30 g stems | 0.9901 | 0.9571 | −3.32 | 1.0105 | 2.07 |
3000 g leaves + 60 g stems | 1.9608 | 1.7682 | −9.79 | 2.0003 | 2.06 |
3000 g leaves + 90 g stems | 2.9126 | 2.7123 | −6.79 | 2.9376 | 0.95 |
3000 g leaves + 120 g stems | 3.8462 | 3.5256 | −8.43 | 3.7995 | −1.31 |