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In order to explore the mechanism of the influence of work underload on the risk perception ability of coal mine monitoring inspectors，boredom proneness and mind wandering were introduced as mediating variables to construct a chain mediation model of the four. A structured questionnaire was made with four scales: work underload，boredom proneness，mind wandering and risk perception. Quantitative studies were conducted on questionnaire samples from 263 coal mine monitoring inspectors，and the sample data were analyzed using Pearson correlation analysis and mediation effect tests. The results show that work underload has a direct negative effect on the risk perception ability of coal mine monitoring inspectors. Furthermore，work underload also affects risk perception through the independent mediating effects of boredom proneness and mind wandering，and the chain mediating effect of boredom proneness and mind wandering. Therefore，timely detection and intervention of work underload，boredom proneness and mind wandering of inspectors can effectively improve their risk perception ability and prevent accidents.
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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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