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植物河道水流特性和稳定河相关系研究
作者: 王燕   来源: 中国海洋大学 年份: 2009 文献类型 : 学位论文 关键词: 仙农熵   水流特性   生态河流   根系加固   河相关系  
描述: made for economic prosperity. At the same time, some man-made natural disasters have been paid more and more attentions , so the research on hydraulic characteristics of the river in recent years has been put on the agenda. Considering the ecological environment, flood control, pollution prevention and control method, and in view of the perspective of the urban landscape as well as the national strategic plan for sustainable development, the research the hydraulic characteristics of river and making river reasonably repair and ecological reconstruction will become a general trend, because that is a kind of remediation measure for human to be done unreasonable exploitation, and it also will be the strong protection of river resources and sustainable model for better using river resources in the future.
全文:污染角度,还是从城市景观的角度,乃至从国家可持续发展的战略部署考虑,研究河流的水力特性,使河流能够得到切合自身特点的生态修复都是大势所趋,是对人类前期不合理开发河流的补救措施,也是今后继续利用河流资源
我国现代农业发展中金融支持问题研究
作者: 张智河   来源: 中国海洋大学 年份: 2009 文献类型 : 学位论文 关键词: 农村金融体系   农村金融需求   现代农业   现代金融  
描述: ment. To crack the
全文:农业是国民经济的基础,是安天下、稳民心的战略性产业。而要破解现代农村经济发展的难题,一个关键的环节就是如何以新的理念和思路,再造并完善涉农金融机制,为现代农业的发展创造和谐的社会经济环境。党的十七
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