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In order to study the injury of occupants in different sitting postures, a simulation model with Thor-AV dummy and vehicle was constructed based on a vehicle. A C-NCAP 100% overlap rigid barrier crash simulation was carried out for three groups of occupant dummies with different sitting postures (seat cushion angle 25°, backrest 42°, 52° and 62°). The results show that, the larger the backrest angle, the higher the head injury risk. Neck shear force and axial tension gradually increase with the backrest angle. There is of great risk with clavicle fracture during crash. Under the influence of the increase of backrest angle, the axial compression force of thoracic T12 poses a great threat to occupant safety, with the maximum compression force reaching 11.6 kN when the backrest angle is 62°. The restraint system could not effectively protect the occupants in the large-angle backrest seat of the vehicle.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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