Results 121 to 130 of about 46,400 (239)

Англійська мова для навчання і роботи. Т. 3. Дискусії та презентації [PDF]

, 2013
Розглянуто всі види діяльності студентів з вивчення англійської мови, спрямовані на розвиток мовної поведінки, необхідної для ефективного спілкування в академічному та професійному середовищах.
Зуєнок, Ірина Іванівна, Кострицька, Світлана Іванівна, Поперечна, Неллі Василівна, Швець, Олена Дмитрівна   +3 more
core  

Experimental study on reconstruction material of impervious layer in open-pit mine external dump in arid area

Meitan kexue jishu
Xinjiang has huge reserves of coal resources and has the conditions and advantages to develop and construct large-scale open-pit coal mines. However, due to the climate characteristics of Xinjiang’s arid areas, open-pit mining has a wide range and high ...
Li MA, Xiaomin WANG, Qifeng ZHANG, Qiang LUO, Yan HU, Ning MA, Mengbo LI   +6 more
doaj   +1 more source

The Miocene Bükkábrány Fossil Forest in Hungary – field observations and project outline [PDF]

, 2008
The oldest, standing forest preserved as wood has been found at Bükkábrány, Hungary. An open-pit mine working Upper Miocene (Pannonian) lignite revealed sixteen stumps, 1.8 to 3.6 m diameter at base, preserved up to 6 m height, standing on top of the ...
Kázmér, Miklós
core  

A Novel Approach to Automatically Identify Open-Pit Coal Mining Dynamics Based on Temporal Satellite Images

Remote Sensing
Open-pit coal mining drives socioeconomic development but imposes significant environmental impacts. The timely monitoring of mining dynamics is essential for sustainable resource exploitation and ecological restoration.
Zhibin Li, Yanling Zhao, He Ren, Tingting He, Yueming Sun   +4 more
doaj   +1 more source

Applicability of siberian placer mining technology to Alaska [PDF]

, 1991
The result of Perestroyka and Glasnost has been an awakening of potential for cooperation between East and West. Nowhere has that been better demonstrated than between Alaska and Magadan Province, USSR. This report summarizes a one year effort financed
Barker, J.C., MacDonald, Rocky, Skudrzyk, F.J., Walsh, D.E.   +3 more
core  

Open-pit mine soft rock slope internal row tracking pressure side control engineering：A case study at the south side of the first mining area of Hesigewula south open-pit coal mine

Zhongguo dizhi zaihai yu fangzhi xuebao
Slope stability control is crucial for safe and efficient coal mining in open-pit mines with soft rock. To address the challenge of stabilizing dip soft rock slope rock slopes, the treatment engineering of inner row tracking pressure side of dip soft ...
Dong WANG, Jinyao LIU, Guanghe LI, Xiaoyu XING, Xiaohu ZHENG, Jiaqi ZHAO, Guoliang WU   +6 more
doaj   +1 more source

Open Pit Coal Mine Failure Model Based on Statistical Data

IOP Conference Series: Earth and Environmental Science
Abstract Slope stability is paramount in open-pit safety and mine operations, where unexpected failures can have significant consequences. This necessitates a deeper understanding of specific slope behaviour to guide geotechnical professionals in taking preventive measures.
Mulyadi Sannang, Hendra Pachri, Ilham Alimuddin   +2 more
openaire   +1 more source

Montana Bureau of Mines and Geology [PDF]

The Montana Bureau of Mines and Geology is the principal source of earth science information for the citizens of Montana. The bureau provides extensive advisory, technical, and informational services on geologic, mineral, energy, and water resources in ...

core   +2 more sources

OVERBURDEN AND COAL TRANSPORTATION RESEARCH ON OPEN PIT MINES [PDF]

Journal of Mining and Geotechnical Engineering, 2019
Dmitry M. Dubinkin, Vladimir Yu. Sadovets, George O. Kotiev, Alexander B. Kartashov   +3 more
openaire   +1 more source

Numerical simulation of dust distribution characteristics of double dust sources in open-pit mine

Meikuang Anquan
To investigate the impact of various operations in open-pit coal mines on dust pollution, Zhonglian Runshi Xinjiang Open-pit Mine was selected as the engineering background.
Xuewei TAO, Guoliang XIE, Tieliang HAN, Zhong’an JIANG, Xiangdong YANG   +4 more
doaj   +1 more source