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161.
162.
为了更好地降低化工企业罐区事故造成多米诺效应的风险,提出1种基于保护层分析(LOPA)的定量风险评估程序。首先,阐述基于保护层分析(LOPA)逻辑的多米诺定量风险评估流程,即引入包括可用性、有效性及3种逻辑门定义及量化的安全屏障定量评估;然后,利用LOPA的分析逻辑将安全屏障融入多米诺定量风险评估框架中;最后,选取2×2 000 m3苯乙烯罐区为对象,识别防火层与喷淋冷却系统2种安全屏障并开展基于LOPA逻辑的罐区多米诺效应定量风险评估,得出安全屏障能有效地降低多米诺事故发生频率及罐区个人风险的结论。研究结果表明:该分析方法可为化工企业开展多米诺效应定量风险评估提供参考。 相似文献
163.
164.
Hearne RR 《Environmental management》2007,40(6):842-852
Institutions are the rules and norms that guide societal behavior. As societies evolve—with more diverse economies, increased
populations and incomes, and more water scarcity—new and more complex water management institutions need to be developed.
This evolution of water management institutions may also be observed across different constituencies, with different societal
needs, in the same time period. The Red River of the North basin is particularly well suited for research on water management
issues. A key feature of water management in the Red River Basin is the presence of three completely different sets of water
law. Minnesota’s water law is based upon riparian rights. North Dakota’s water law is based upon prior appropriation. Manitoba
has a system of water allocation that features provincial control. Because the basin is fairly homogeneous in terms of land
use and geographic features, its institutional diversity makes this an excellent case study for the analysis of local water
institutions. This article reviews the local water management institutions in the Red River Basin and assesses the ongoing
institutional evolution of local water management. 相似文献
165.
Kostas Bithas 《Environment, Development and Sustainability》2008,10(3):373-390
The operational designing of Environmentally Sustainable Economic Development (ESED) emerges as an urgent and demanding task. Even though ESED has paved the way for thought-provoking and constructive scientific dialogue, appeal for designing an operational ESED is still lagging behind the needs of contemporary societies, leaving much to be desired. With this in mind, the present paper will aim at delineating principles for the operational application of ESED. First, the preservation of crucial properties of environmental functions and ecosystems, emerges as a prime condition of ESED. The second condition concerns the provision of the economic process with sufficient natural inputs; in this context, the paper intends to trace certain operational tenets governing the use of natural resources. Finally, the appropriate institutional settings for the operational design of ESED are traced. Readers should send their comments on this paper to BhaskarNath@aol.com within 3 months of publication of this issue 相似文献