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In order to analyze the general rules and causes of civil explosive accidents in China, statistical analysis was carried on the occurrence time, regional distribution, accident grade and other dimensions of nationwide civil explosive accidents from 2006 to 2023. Using analytic hierarchy process (AHP), a hierarchical structure model is constructed. It includes four first-level indicators (human, machine, environment and system) and 11 second-level indicators (safety awareness, technical training, supervision intensity, safety education, standardized operation, production equipment, production process, weather and climate, storage conditions, safety management system and emergency management system). Through analysis, the weight of each index is obtained, and then the importance of the influencing factors on explosion accidents is sorted. The results show that the number of explosion accidents has decreased year by year, and the safety situation is improved. The explosion accident time is concentrated in the second and third quarters of each year, and the space distribution is across all provinces with a staggered characteristic of “North-South and high-low”. Generally, the ordinary accidents and large accidents are the main accident levels. Based on the analytic hierarchy process (AHP), it is learned that human is the most important factor to cause the accidents in the first-level indexes. Meanwhile, the standardized operation, production process, supervision intensity and safety management system are the more important factors in the second-level indexes. Finally, according to the importance of the factors affecting the accidents, preventive measures such as strict standardization of operation, increasing safety input, strengthening supervision and improving safety management system are proposed.
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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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