基于可持续发展思想的矿井技改方案评价指标体系的构建

来源 :技术经济 | 被引量 : 0次 | 上传用户:Shauphei
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
0.引言。发展是人类社会永恒的主题,矿井技改改造(改扩建)是煤矿求发展、走内涵扩大再生产的必由途径。合理的矿井技术方案的提出是一个系统分析的过程。而矿井技改方案的取舍又取决于按照什么原则对其进行评价。因而,建立一套科学合理的矿井技改方案评价指标体系,直接影响着矿区地下不可再生的煤炭资源的回收利用及矿井的寿命。关系到矿区能否可持续发展的问题。
其他文献
Corn milk is considered as a new innovation especially in the making of yoghurt based products. The present study was conducted to study antioxidants components
Edible mushrooms, known for many years and considered as functional foods, contain a wide variety of biomolecules with nutritional and medicinal properties. Ple
Human dermal layers are directly bared to the external environmental adversities like pollution, radiation, dust along with various chemical and mechanical stre
An estimated 20% of the world’s population is at risk for zinc (Zn) deficiency. Micronutrient deficiencies are most prevalent in Africa and remain a major prob
Myrrh, commercially available as a brown powder, is a natural flavoring substance approved for food use by US Food and Drug Administration and has antibacterial