[基于解释性结构模型-贝叶斯网络的急性职业中毒事故因果模型研究]
概括
预防急性职业中毒需要解决关键因素,如保护措施,设备和应急管理. 加强安全系统和培训对于减少事故发生率至关重要.
科学领域:
- 职业健康和安全问题 职业健康和安全问题
- 毒理学 毒理学 毒理学
- 风险管理 风险管理
背景情况:
- 在各种行业中,急性职业中毒事故存在重大风险.
- 了解复杂的因果因素对于有效的预防策略至关重要.
研究的目的:
- 识别和分析急性职业中毒事故的因果因素.
- 开发用于事故预防的预测模型.
主要方法:
- 对232例急性职业中毒病例 (2013-2022) 的文献审查和数据收集.
- 解释性结构建模 (ISM) 的应用,以建立因果因素之间的等级关系.
- 使用贝叶斯网络 (BN) 和Netica软件分析因果影响并构建预防前模型.
主要成果:
- 事故涉及窒息,刺激和混合气体.
- ISM确定了直接原因 (例如,操作条件,保护措施),间接影响 (例如,安全教育,程序) 和根深蒂固的因素 (例如,安全责任系统,监督).
- 尼泊尔国家航空公司的分析强调了因果链:安全责任系统 → 企业监督 → 安全教育 → 保护措施 → 事故发生. 关键因素包括不充分的保护措施,设备故障,操作错误,通风问题和不当的应急管理.
结论:
- 有效的预防需要适当使用防护措施,操作前检查设备,遵守法规,正确使用通风设备,以及强有力的应急管理.
- 解决直接和系统因素对于减少急性职业中毒事件至关重要.
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