Results 41 to 50 of about 186 (125)

Energy management optimization of open-pit mine solar photothermal-photoelectric membrane distillation using a support vector machine and a non-dominated genetic algorithm [PDF]

open access: yes, 2020
As a distributed energy source, open-pit mine solar photothermal-photoelectric membrane distillation can convert solar energy into heat and electrical energy to provide power for membrane distillation water purification system.
Crabbe, M. James C.   +5 more
core   +2 more sources

Theory and engineering practice of coal-water coordinated mining based on constraints of formation bearing capacity

open access: yesMeitian dizhi yu kantan
BackgroundThe high-intensity mining of coal resources in the Yushen mining area has caused negative environmental effects and water disasters on coal seam roofs, seriously restricting the sustainable development of the area.Methods and Results Based on a
Zhenzhong PANG   +10 more
doaj   +1 more source

Effect of Coal Mining on Springs in the Yushenfu Mining Area of China

open access: yesGeofluids, Volume 2018, Issue 1, 2018., 2018
The main purpose of this study was to analyze the effect of coal mining on the springs in the Yushenfu mining area of China. The results of two springs and hydrological surveys conducted in 1994 and 2015 were compared to study the occurrence and evolution of springs before and after large‐scale mining.
Li-min Fan   +13 more
wiley   +1 more source

Reproducibility of fluorescent expression from engineered biological constructs in E. coli. [PDF]

open access: yes, 2016
We present results of the first large-scale interlaboratory study carried out in synthetic biology, as part of the 2014 and 2015 International Genetically Engineered Machine (iGEM) competitions.
Beal, J, et al., Lale, Rahmi
core   +1 more source

Unraveling Managerial Tangents in Firm Disclosure: Concealing Issues or Being Exposed?

open access: yes, 2023
Earnings calls influence stock prices and are traditionally analyzed using sentiment and linguistic traces. Our research introduces a "Topic-Switching Index," a novel metric quantified through the transformer model FinBERT, to measure managerial evasion ...
Huang, Yushen, Zhou, Xuan
core  

Experimental Study on Uniaxial Compression Failure Characteristics and Mechanical Properties of Composite Aquiclude Rock

open access: yesGeofluids, Volume 2024, Issue 1, 2024.
Composite aquiclude rock is an important part of the water barrier layer of coal seam floor, and its mechanical properties and failure characteristics have an important impact on the safety of coal seam mining. In order to explore the uniaxial compression failure characteristics and mechanical properties of composite aquiclude rocks, the mineral ...
Qiang Sun   +4 more
wiley   +1 more source

Global Coal Risk Assessment: Data Analysis and Market Research [PDF]

open access: yes, 2012
Coal-fired power plants are the largest contributor to the greenhouse gas emissions that cause climate change. In 2010, 61 countries produced coal and 104 countries consumed it.
Ailun Yang, Yiyun Cui
core  

Water-proof property monitoring and response characteristics of Neogene red soil layer during super-high mining fully mechanized [PDF]

open access: yes
The mining water-proof performance of Neogene red soil is a critical factor for the safe extraction of super large mining height fully mechanized faces and the protection of shallow ground water.
Haoyu HU   +6 more
core   +1 more source

Mining Safety and Sustainability I [PDF]

open access: yes, 2022
Safety and sustainability are becoming ever bigger challenges for the mining industry with the increasing depth of mining. It is of great significance to reduce the disaster risk of mining accidents, enhance the safety of mining operations, and improve ...

core   +1 more source

Hydroecological effects of mining and its restoration ways in coal mining areas of Western China [PDF]

open access: yes
The mining areas in arid and semi-arid region have become important coal production bases to ensure China’s energy strategic security, however, coal development by large-scale and high-intensity mining has triggered a series of water resources and ...
Guangrong GE   +7 more
core   +1 more source

Home - About - Disclaimer - Privacy