>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-15 共查到Coal mine相关记录20条 . 查询时间(0.166 秒)
Dust released by an active coal mine in Svalbard, Norway, reduced the spectral reflectance of nearby snow and ice by up to 84 percent, according to new University of Colorado Boulder-led research.The ...
Coal industry is one of a country's base supports. It is one of powers which make the economy of China developing fast. But at the same time, Coal industry is such a kind of industry in which many peo...
In this paper, the DInSAR technique is used to process the spaceborne SAR data including 32 C band ENVISAT ASAR, 21 L band JERS SAR data to derive the temporal land subsidence information from 1993 to...
Taking LandSat TM/ETM+ images as information source, this paper used the Normalized Difference Water Index (NDWI) to extract mining subsidence-resulted surface water body information in Yanzhou coal m...
Many coal mine companies have established underground safety monitor and control systems. However, the safety management information can only be displayed on the 2D maps or as reports. In this paper,...
The purpose of the study was to assess, in respect of selected physical properties, the reclamation of the northern slope of the outside spoil bank of the Belchatów brown coal mine by reforestation ca...
Singrauli is an opencast coal mining area where large scale mining activities are going on continuously, land use/land cover studies are of vital importance to observe the changes in the land use/land...
In the last few decades, the utilization of coal to generate electricity was rapidly increasing. Consequently, the production of coal combustion ash (CCA) as a by-product of coal utilization as primar...
Fire in mine laneway leads to disordered ventilation system airflow, and smoke will result in staff poisoning.In such situation, it necessitates to install a rescue capsule in the common staff area. I...
This article describes optimization strategy of SMCCM from perspective of utility of coal miner with the method of empirical research. Four elements of SMCCM are put forward which consist of "employee...
The relationship between stress and drill cutting weight (DCW) is studied with numerical modeling and field testing. Jinjiazhuang coal mine 110403 workface is used as a case study. Stress analysis of ...
In order to check structural strength of coal mine mobiles refuge chamber, and do security evaluation of the mobile refuge chamber, a refuge chamber model was established, then a finite element method...
The trend of China coal mine accidents in the latest 10 years was studied and the human factors in these accidents were analyzed by multi-dimensional statistic analysis. It shows that the number of ma...
According to the risk management characteristics and the actual needs of safety production in coal mine, we thoroughly analyze the system of risk management method in coal mine and implement it in Get...
A relative viable population of fallow deer (Dama dama) lives in the area around the planned [kale Landscape Park, thus the influence of the introduced species over the conservation goals is evaluated...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...