次生风险

城市区域地震次生火灾风险评估及火蔓延模拟

Post-earthquake Fire Risk Assessment and Fire Spread Modeling in Urban Area

本文以城市区域为研究对象，以城市区域的地震次生火灾风险评估为研究内容，建立了针对城市区域的地震次生火灾风险评估模型。

In this paper , urban area is taken as the research object and post-earthquake fire risk assessment in urban area is taken as the research content , a model of post-earthquake fire risk assessment in urban area is established .

测定农药在环境中转化产物的生态毒理和环境归宿，有助于完整准确地评价农药化合物带来的原生和次生的环境风险。

Assessing the ecotoxicology and environmental fate of pesticide transformation products is necessary to accurately evaluate environmental risk of pesticides .

基于新疆农业的可持续发展考虑，长期采用膜下滴灌可能会存在潜在的次生盐渍化生态风险。

Sustainable agricultural development based on consideration of Xinjiang , long-term use of drip irrigation may be a potential ecological risk of secondary salinization .

故本文系统研究公路洪涝次生地质灾害风险评价，并据此划分公路安全等级，通过理论研究指导实际应用，为交通线路防灾减灾工作提供参考性意见。

Therefore , by studying the risk assessment of highway flood secondary geological disasters , and accordingly dividing the highway safety level , this paper provides the referential suggestions for disaster prevention and reduction of transport routes with the theoretical guidance .

在洪涝次生地质灾害危险性及公路基础设施工程易损性的研究基础上，根据自然灾害风险评估的定义，确定公路洪涝次生地质灾害的风险性，以此划分公路安全等级。

Based on research of the risk of flood secondary geological and vulnerability of infrastructure construction , such as highways , and according to the definition of natural disaster risk assessment , it identifies the risk of highway geological disaster flood secondary , and divides the highway safety level .