...键词】 禁忌搜索 免疫算法 巢湖流域 生态环境质量 评价[gap=1386]Key words: taboo search ; immune arithmetic ; Chaohu basin; eco-environmental quality; evaluation...
基于8个网页-相关网页
【Key words】 phosphorus; sorption index; sorption saturation; Chaohu watershed
基于6个网页-相关网页
Third, Gray System theory is introduced into, then manage it in ecological security of Chaohu Basin.
第三、引进灰色关联度法对巢湖流域生态安全进行综合评价。
参考来源 - 巢湖流域生态安全的综合评价研究Chaohu Lake Basin is developing rapidly recently and bringing about serious problems for its ecological security.
巢湖流域在流域大规模开发及经济快速发展的同时，导致了流域环境的生态调节和自我恢复能力大幅下降，引起了日趋严重的流域性生态安全。
参考来源 - 巢湖流域生态安全的综合评价研究Non-point source drive from different area and its extension is wide and uncertain factor is more. Now, it has been the main polluted source in ChaoHu lake watershed.
非点源污染涉及面广,不定因素多,测算难度大,已成为影响巢湖流域地区水体环境质量的主要污染源。
参考来源 - 巢湖流域非点源N、P污染排放负荷估算及控制研究P. period,the temperature gradually reduces, and the humidity also drops, it was a cold-dry period in Chaohu Lake basin. Around 3900cal. aB.
3)中晚全新世的4860-2170cal.aB.P.期间,气温逐渐降低,湿度也下降,巢湖流域处于冷干时期。
参考来源 - 湖泊沉积记录的9870cal.aB.P.以来巢湖流域环境演变研究·2,447,543篇论文数据，部分数据来源于NoteExpress
目前，巢湖流域非点源污染问题突出。
At present, it was confronted in the area of Chaohu Basin with the problem of non-point source pollution.
汉代以后巢湖流域文化衰落是安徽江淮地区考古研究中一个非常引人注目的现象。
The culture decline of Chaohu Lake Basin after the Han Dynasty is a remarkable archaeological phenomenon in Jianghuai region, Anhui Province.
以巢湖流域为研究区，尝试采用改进的磷指数法在较大的流域尺度开展非点源磷流失风险评价及关键源区识别。
A modified version of P index was used to assess P loss risk and identify critical source areas in Chaohu watershed at a regional scale.
应用推荐