Table 1 Vessel diameter, number, and the reduction ratio at the junction of branching of EPCA and IMCA
Site of branching | No acrylic plate | With a 20-cm-thick acrylic plate | ||||
|---|---|---|---|---|---|---|
Number of branching | Measured diameter (μm) | Diameter reduction ratioa (%) | Number of branching | Measured diameter (μm) | Diameter reduction ratioa(%) | |
The cerium anode X-ray system | ||||||
EPCA–IMCA first-order Br J | 44 | 319.5 ± 86.7 to 83.1 ± 27.7 | 72.7 | 31 | 212.5 ± 60.2–51.2 ± 16.1 | 74.7 |
IMCA first–second-order Br J | 28 | 78.6 ± 21.4 to 55.2 ± 12.8 | 27.7 | 20 | 52.0 ± 8.0–39.8 ± 5.6 | 22.8 |
IMCA second–third-order Br J | 14 | 75.0 ± 16.1 to 52.4 ± 16.1 | 30.9 | 6 | 61.9 ± 13.3–38.1 ± 8.7 | 38.0 |
The conventional X-ray system | ||||||
EPCA–IMCA first-order Br J | 41 | 375.5 ± 130.2 to 96.4 ± 15.0 | 70.9 | 18 | 436.4 ± 108.6–108.6 ± 26.3 | 70.5 |
IMCA first–second order Br J | 24 | 91.2 ± 19.4 to 72.5 ± 15.1 | 19.1 | 6 | 139.3 ± 20.6–92.0 ± 24.3 | 33.4 |
IMCA second–third order Br J | 4 | 78.6 ± 10.1 to 50.0 ± 0.0 | 35.8 | 0 | 92.0 ± 24.3/no data | – |