黑河流域生态环境建设问题

来源 :水土保持学报 | 被引量 : 0次 | 上传用户:jimmycjriyue
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
简要分析了黑河流域的主要生态问题及其危害,并结合当地社会经济条件,对流域进行生态环境建设分区.在分区的基础上,提出以区域社会经济与生态环境可持续发展为目标的生态环境建设对策.
其他文献
On the basis of analyzing the machine-workpiece-tool system, the main factors affecting diameter errors in bars turning are considered, and the mathematic model
Based on the advanced integrated technology of materials preparation and formation, a new pattern ZnAl-Mg-RE anti-corrosion coating for steel structure sustaina
Failure, especially induced by cracks, usually occurred in the service process of chemical equipment, which could cause the medium leakage, fire hazard and expl
目的掌握饮用高砷水地区居民砷中毒发病状况,为防治提供科学依据.方法以村为单位,采用整群拉网式调查.结果调查724人,发现可疑病人44人,轻度病人18例,砷中毒病人62例,患病率8
The present status and development trends of nano-composite coatings were briefly introduced. The nano-SiO2 was dispersed into crylic acid resin by ultrasonic w
A complete state variable current-mode biquadratic filter built by duo-output CCⅡ (DOCCⅡ) with variable current gain is presented. All the coefficients of the
A molecular dynamics simulation study has been performed for the formation and evolution characteristics of nano-clusters in a large-scale system consisting of
Q 学习算法是求解信息不完全马尔可夫决策问题的一种强化学习方法.Q 学习中强化信号的设计是影响学习效果的重要因素.本文提出一种基于模糊规则的 Q 学习强化信号的设计方法,
The relative sensitivities of structural dynamical parameters were analyzed using a directive derivation method. The neural network is able to approximate arbit
大功率DPL泵浦源LD的热管理技术是制约二极管泵浦固体激光器工程应用的瓶颈之一。介绍了二极管泵浦固体激光器的工作过程,设计通过半导体制冷片对LD实施温度控制。主要针对DP