Results 81 to 90 of about 46,400 (239)

Assessment of mining activities with respect to the environmental protection [PDF]

, 2017
This paper deals with the impact of mining on the environment. Coal mining is still among the most widespread and most intense mining activity, which disturbs the landscape around us bringing regional environmental, economic and aesthetic problems ...
Dirner, Vojtech, Kučerová, Radmila, Pavelek, Zdeněk, Škuta, Radim   +3 more
core  

Effect of blast induced rock fragmentation and muckpile angle on excavator performance in surface mines [PDF]

, 2019
Purpose. A fit excavator in a surface mine gives a trouble free production. To maintain the condition and safety of an excavator, proper sizes of rock fragmentation and muckpile parameters are crucial besides its maintenance.
Choudhary, B.S.
core   +1 more source

Variation on Toxic and Inflammatory Potential of Coal Smoke of Different Sources From a Region With High Lung Cancer Risk

Environmental Toxicology, EarlyView.
ABSTRACT Excess lung cancer risk in Xuanwei and Fuyuan, China, has been attributed to household air pollution from use of a locally sourced smoky (bituminous) coal. However, the carcinogenic mechanisms remain unclear. Given the important role of inflammation in lung cancer development, this study compared the proinflammatory potentials of the ...
Yongliang Zhang, Wei Hu, Nathanial Rothman, Dingyu Liu, Jihua Li, Jun Xu, Bofu Ning, Roel Vermeulen, Qing Lan, Flemming R. Cassee, George S. Downward   +10 more
wiley   +1 more source

Calculation methods of seepage coefficient of water cut-off curtain

Meikuang Anquan
As an effective water prevention and control technology to block or reduce groundwater infiltration, water cut-off curtain has been continuously applied to underground and open pit coal mines in recent years.
Yan ZHANG, Sheng GAO, Hao WANG
doaj   +1 more source

Англійська мова для навчання і работи. Навчальний посібник з англійської мови за професійним спрямуванням для студентів і фахівців галузі знань 0503 Розробка корисних копалин Т 1 [PDF]

, 2010
A coursebook includes all the activities of students’ work at ESP course aimed at development of language behaviour necessary for effective communication of students in their study and specialism areas.
Зуєнок, І.І., Кострицька, С.І., Поперечна, Н.В., Швець, О.Д.   +3 more
core  

Opportunities for the Labour Party: Football, Class and Community Renewal

The Political Quarterly, EarlyView.
Abstract This article argues that football represents an underutilised opportunity for the Labour Party to anchor a wider programme of civic renewal. In many working‐class communities, the decline of trade unions, working men's clubs and other associational spaces has eroded collective life, leaving football clubs as rare institutions where dignity ...
Sam Taylor Hill
wiley   +1 more source

Research on the mixing efficiency of gangue particles and slurry by the arrangement of impellers in the mixing tank

Advances in Mechanical Engineering
This study systematically investigates the impact of impeller arrangements on the mixing efficiency of gangue particles and slurry through experimental validation and numerical simulations. The research focuses on the interplay between impeller quantity,
Xiaodong Wang, Xiaoyu Hu, Boqiang Wu, Shibin Zhu, Xuan Nan, Ganggang Xu, Chen Xu, Yusheng Li   +7 more
doaj   +1 more source

Influence of vibrations on structures [PDF]

, 2018
One type of occasional structural load is a seismic load. Earthquakes and blasts are typical sources of vibrations, but vibration generated during urban tunnel construction can represent a significant problem.
Kaláb, Zdeněk
core  

Mitigating the adverse environmental impact resulting from closing down of mining enterprises [PDF]

, 2018
Purpose is to mitigate the adverse environmental impact in the context of both territory and water resources while closing down of mining enterprises. Methods.
Chepak, O, Kostenko, V, Pokalyuk, V, Zavialova, O   +3 more
core   +1 more source

A framework for capturing indirect impacts in site‐level screening for biodiversity risks

Methods in Ecology and Evolution, EarlyView.
Abstract Site‐based industrial operations such as mining, oil and gas extraction and renewable energy development are associated with many direct and indirect impacts on biodiversity. Consideration of the full range of these impacts when selecting a buffer distance to approximate the Area of Influence (AoI) of a project is critical for effective ...
Divya Narain, Jacob Bedford, Elspeth Grace, Alfred Muge, Aime Rankin, Matthew I. Jones, Sebastian Dunnett   +6 more
wiley   +1 more source