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- regional ecological security evaluation 区域生态安全评价
- Based on clarifying of land ecological security and taking Hebei Province as the case, this article discusses the methods of security evaluations of land ecology. 以河北省为例,在界定土地生态安全概念的基础上,探讨了土地生态安全评价的方法。
- Ecological Security Evaluation of Tourism Destination--A Case of Kaifeng City 旅游地生态安全评价研究--以开封市为例
- The Principal Component Projection Method and Its Application to Regional Ecological Security Evaluation 区域生态安全的主成分投影评价模型及应用
- ecological security evaluation 生态安全评价
- Wuzhong district of Suzhou city being taken as an example,with this indicator system,the comprehensive evaluation of landscape ecological security in 1984 and 2002 was conducted. 结果表明;景观生态安全评价综合指数从1984年的63.;29%25下降到2002年60
- Security Evaluation for Beijing Metro Line No. 5 to Under- traverse Line No. 北京地铁5号线下穿既有区间结构的安全评估。
- Based on the theory of ecological security, according to the model of Pressure-State-Response, the evaluation indictor system was put forward from the pressure on resources and environment, their states and response of humanities in tourism destination. 摘要以生态安全理论为基础,根据压力-状态-响应模型,从资源环境压力、资源环境状态和人文环境响应3个方面构建了旅游地生态评价的指标体系。
- From the system of evaluation system and the model of ecological security, this paper researches the goal and task for applying data mining in expert system of regional ecological security assessment. 摘要从生态安全模型与评价指标体系入手,研究了数据挖掘技术在区域生态安全评价专家系统中的应用目标与任务;
- Making use of PSR conceptual model of ecological security and hierarchy analysis method,evaluation system of ecological security of Qusum county,Tibet Autonomous Region is established. 用生态安全的PSR(压力-状态-响应)概念模型和层次分析法,建立了西藏曲松县生态安全评价体系,综合评价了曲松县生态安全现状。
- Results Landscape scale is the right scale to assess regional ecological Security. 结果景观尺度是区域生态安全评价的适宜尺度。
- Chapter three optimizes index system of network security evaluation by using DEMATEL method. 第三章采用DEMATEL方法对所建立的指标体系进行优化。
- The status quo of China's forestry indicates that forestry development does not meet the requirement for maintaining ecological security. 林业现状说明,林业发展与维护生态安全的要求极不适应。
- And then the method of ecological security was applied to the case of Kaifeng city and some suggestions on ecological security construction were put forward. 在此基础上,以开封市为研究对象,对开封旅游的生态安全进行了定量的研究,提出了开封市旅游生态安全建设的若干建议。
- Power system state estimation is the core of electric energy management system and the bases of dispatch, control, security evaluation and so on. 电力系统状态估计是电力系统调度、控制、安全评估等方面的基础,也是电能管理系统的核心组成部分。
- The main causes for the deterioration of land ecological security are unreasonable reclaimation、 denudation, overgrazing and the extensive farming. 滥垦、滥伐、过度放牧以及粗放经营的生产方式是导致该地区土地生态环境安全状况不断下降的主要原因。
- The results show that the proposed method is significative for the security evaluation and structure design of a jacket type offshore platform. 该研究对导管架海洋平台的安全性评价和结构设计具有参考意义。
- Hyphantria cunea invaded Jinan for the first time in 2007, and has caused serious damage to city scape and ecological security of Jinan. 摘要2007年美国白蛾首次入侵济南市,对城市景观和生态安全构成严重威胁。
- China's ecological situation is grim with aquaculture pollution,soil erosion and desertification threatening the country's ecological security. 我国生态形势十分严峻,水产品的污染、水土流失和土地沙化威胁着国家生态安全。
- This raises a new requirement for supervising and developing forest resources of state-owned forest areas and protecting China"s ecological security. 对国有林区森林资源实施监督,是保证国有林区森林资源所有者权益的必要措施和手段。