Table 4 Comparison of phase contrast microscopy (PCM) adjustment factors (Fijz/FPCMi) by zone for bivariate size distributions
Fibre diameter category “j” (μm)Fibre length category “z” (μm)Zone 1Zone 2Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9Zone 10Overall plant
<0.25<1.53.7645.0898.5325.0386.72614.5784.4229.8959.47330.4896.808
<0.251.5–3.02.6952.5083.0112.4234.4073.7741.9622.9723.0328.1812.771
<0.253.0–5.01.2371.2021.2101.2501.5281.9781.0211.1521.1643.0561.232
<0.255.0–15.00.7880.9730.8480.9860.9721.6660.8581.0051.2541.8780.968
<0.2515.0–40.00.1970.1550.3640.2550.2910.4210.2270.2770.3540.2690.262
<0.25>40.00.0390.0270.1020.0850.0550.0840.0470.0550.0790.0000.063
0.25–1.0<1.50.1300.2410.1980.0830.3060.0550.1510.1990.1101.1980.162
0.25–1.01.5–3.00.4200.6170.3430.1920.4430.1640.2510.2820.3320.9790.343
0.25–1.03.0–5.00.3500.4360.3710.2950.3920.1870.2850.2510.3170.9840.324
0.25–1.05.0–15.00.4450.4280.3510.3900.4060.3770.3480.4820.4690.3590.406
0.25–1.015.0–40.00.0940.0830.1450.1320.1290.1520.1070.1490.1110.4090.121
0.25–1.0>40.00.0270.0180.0890.0720.0770.1180.0520.0460.0520.0820.054
1.0–3.01.5–3.00.0190.0160.0150.0160.0690.0370.0360.0000.0780.0000.022
1.0–3.03.0–5.00.0190.1200.0500.0000.0970.0000.0610.0190.0650.0000.043
1.0–3.05.0–15.00.2610.3130.2070.2470.1900.1890.2520.1700.2040.1070.231
1.0–3.015.0–40.00.0710.0790.1040.0750.1060.1000.1150.0730.0740.0000.085
1.0–3.0>40.00.0120.0100.0200.0260.0230.0150.0180.0200.0350.0000.020
>3.05.0–15.00.0480.0400.0430.0380.0190.0000.0350.0350.0230.0850.035
>3.015.0–40.00.0430.0360.0460.0270.0450.0000.0630.0220.0220.0000.036
>3.0>40.00.0070.0100.0200.0120.0070.0520.0100.0040.0100.0000.012