Results 51 to 60 of about 72,151 (302)
“Seven in one” effect inspection method system of water cut-off curtain in open-pit coal mine
Meikuang Anquan, 2023 In order to realize green, safe and efficient mining in open-pit coal mines, water cut-off curtain as a new technology of energy saving, carbon reduction and water conservation, has been continuously applied to open-pit coal mines. The cut-off curtain of
ZHANG Yan
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IMPROVING THE METHOD OF OPEN-PIT LIGNITE DEPOSITS DEVELOPMENT IN UKRAINE [PDF]
, 2018 Subject of the research is open-pit mining concerning a full- field industrial development of a number of lignite deposits; feasibility study has been performed for them as for the efficient environmental friendly processing of coal and associated ...
Adamchuk, A.A. +11 more
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Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT A specific microporous KOH/activated‐biochar (K/BC) was produced from a blend of date stones (DS) and walnut shells (WS) and used in the adsorptive desulfurization (ADS) of two types of model fuel DBT/n‐hexane (S‐hex), DBT/cyclohexane (S‐cyclohex).
Ameen L. Alyawer +4 more
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Joseph Skipsey, the 'peasant poet', and an unpublished letter from W. B. Yeats [PDF]
, 2016 This article examines an unpublished letter from Yeats to the ‘pitman-poet’ Joseph Skipsey, which gives new insight into the early career of Yeats and a deeper understanding of the possibilities and capabilities of the Victorian working-classes.
Tait, Gordon
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Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT In this study, (Ce, La)PO4 catalysts were synthesized via an ultrasound‐assisted method. The effects of ultrasound duration and calcination temperature on the low‐temperature NH3‐SCR performance were systematically investigated. The results indicated that the (Ce, La)PO4 catalyst prepared with an ultrasound treatment time of 20 min and a ...
Na Li +4 more
wiley +1 more source
Hydrogeological characterisation of coal measures and overview of impacts of coal mining on groundwater systems in the Upper Hunter Valley of NSW [PDF]
, 2009 University of Technology, Sydney. Faculty of Science.Open cut coal mining in the Upper Hunter region of New South Wales has resulted in mine pit depths of 1 SO metres or more below the natural water table, and the backfilling and reshaping of more than
Mackie, CD
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Estimation of Population Size of Dentaria Enneaphyllos in the Vicinity of the Bełchatów Brown Coal Mine and the Attempt of its Metaplantation [PDF]
, 2011 The impact of anthropopressure on the flora in the vicinity of the Bełchatów Brown Coal Mine in Central Poland has been substantially strong. Consequently, certain changes in habitat conditions have been observed, leading to a decline in particular ...
Koczywąs, Ewelina +2 more
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The Anatomical Record, EarlyView.Abstract The baphetoids represent a clade of the Carboniferous stem‐tetrapods (Middle Mississippian—Middle Pennsylvanian) with a characteristic extension of the orbits into antorbital vacuities, which formed keyhole‐shaped openings on the skull. The more derived baphetids were crocodile‐like piscivores frequently occurring in coal‐bearing lacustrine ...
Pavel Barták, Martin Ivanov, Boris Ekrt
wiley +1 more source
Testing and selection of ad hoc protocol for proximity vehicle test in open-pit coal mine
Gong-kuang zidonghua, 2018 The paper pointed out that GPS integrated wireless communication technology is most suitable for application of proximity vehicle detection in open-pit coal mine on the basis of analyzing existing proximity vehicle testing technologies, such as ...
WANG Yin, SHI Yanfeng, HU Shengbo
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Deep learning and IoT enabled digital twin framework for monitoring open-pit coal mines
Frontiers in Energy Research, 2023 Early detection of cracks enables timely mitigation and maintenance actions, ensuring the safety of personnel and equipment within the open-pit coal mine.
Rui Yu, Xiuyu Yang, Kai Cheng
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