Based on the theory of system,ecology and dissipative structure,the author studies the past,the present situation and the type of the water resources utilization system of the northwest China and suggests hydrocontrol and soil improvement are the keys to the rational exploitation and utilization of water resources.
根据西北地区水资源的特点,分析了西北地区水资源利用系统的概念、类型与简化模型结构,并根据区内不同的水土平衡反馈机制,以节水改土为中心提出了水资源可持续利用的战略与对策。
Survey in chemical constituent and resource utilization of medicinal plant from tribe Isopyreae;
耧斗菜族药用植物化学成分及资源利用概况
The characteristics of resource utilization and environmental impact of China in 1990—2003 were analyzed by the derived indicators of economy-wide material flow analysis(EW-MFA) on the base of the analysis of more than(2 600) items of data on resource utilization and environmental impact at national level.
运用经济系统物质流分析方法(economy-wide material flow analysis,EW-MFA),分析1990—2003年我国国家层面资源利用与环境影响的2 600多个数据,得出1990—2003年间我国资源利用和环境影响特征。
The background and connotation of the green process engineering science is described and analyzed with actual examples of research, and discussion is made on methods, objectives, scopes and prospect of research on resource utilization-materials conversion processes based on the environmental economy assessment system.
论述了绿色过程工程科学的产生背景与科学内涵,并以研究实例进行解析,讨论了在环境(经济综合评价体系下资源利用(物质转化过程的研究方法、目标、内容和前景。
An Brief Introduction of the Application of Network and Digital Resources in Demographic Study;
人口学网络数字资源与电子数字资源利用
User Digital Resources Utilization and Information Literacy Education under Network Environment
网络环境下用户数字资源利用与信息素质教育
A Distribution and Utilization Research of Digital Information Resourses in University Libraries in China;
我国高校图书馆数字资源分布与利用研究
Study on the Exploitation and Utilization of Digitized Petrochemical Information Resources;
数字化石油化工信息资源开发与利用研究
Digital simulation of land use change and ecological security of resources-based city;
资源型城市土地利用变化及生态安全数字模拟
Development and Utilization of Archives Resources in Information Age;
浅谈数字化时代档案信息资源的开发与利用
Development and Utilization of Rural Labor Force;
从统计数字再谈农村劳动力资源的开发与利用
The development and Utilization of Digital Curriculum Resources in Science Education
科学教育专业数字化课程资源的开发与利用
Relationship between talent resource utilization and digital library construction in Forestry
林业人才资源利用与林业数字图书馆建设
Discussion on How the County-level Public Library to Make Rational Use of the Free Digital Information Resources
论县级公共图书馆合理利用免费数字信息资源
The Copyright Solutions of the Digitalized Use of Library Resources
图书馆馆藏资源数字化利用的著作权解决方案
Analysis on Enhancing the Utilization Ratio of Digital Resources in Hospital Libraries
提高医院图书馆数字化资源利用率探析
The Development and Application Prospect of Digital Resources in University Library
论高校图书馆数字资源的开发与利用前景
Discussion on Construction and Utilizationin of Digital Resources in Common College Library
普通高校图书馆数字资源建设与利用探析
Integration and Optimization of Digital Information Resources--How to maximize the benefit of utilizing information resources
数字信息资源的整合与优化——信息资源利用效益的最大化
On the Digital Construction of Data Source and the Utilization of Net Information;
重视资料资源数字化建设改善网络信息的利用状况
Experimental Reform of "Digital Electronic Technology" Based on Online Resources;
基于网上资源利用的“数字电子技术”课程试验改革
A Research on DSP Teaching Reform Based on Internet Resources;
基于网络资源利用的“数字信号处理”课程教改试验研究
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