Results 101 to 110 of about 79,646 (225)

Blind super-resolution reconstruction method for underground coal mine images based on degradation kernel diffusion

open access: yesGong-kuang zidonghua
Existing image super-resolution reconstruction methods have difficulty coping with multi-source coupled degradations such as coal dust scattering and non-uniform blur in underground coal mine environments, and they are limited by local receptive fields ...
REN Cai, LI Mingliang
doaj   +1 more source

What Lies Beneath: Treatment of Canvas-backed Pennsylvania Coal Mining Maps for Digitization [PDF]

open access: yes, 2008
An ongoing program to preserve approximately seven hundred oversized, canvas-backed, coal mining maps from the CONSOL Energy Mining Map Collection was initiated by the University of Pittsburgh (Pitt) in 2007, supported by funding from the United States ...
Baker, Amy   +3 more
core   +1 more source

Operations modeling and analysis of an underground coal mine [PDF]

open access: yesProceedings of the 2011 Winter Simulation Conference (WSC), 2011
Kanna Miwa, Soemon Takakuwa
openaire   +1 more source

Application of Underground Personnel Position and Management System Based on RFID Technology

open access: yesGong-kuang zidonghua, 2011
The paper introduced working principle of underground personnel position and management system based on RFID technology and its application in Shanxi Gaohe Energy Co., Ltd. in details.
LI Jing, FAN Xiao-ming
doaj  

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

open access: yes, 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   +3 more
core  

Underground mineral extraction [PDF]

open access: yes, 1980
A method was developed for extracting underground minerals such as coal, which avoids the need for sending personnel underground and which enables the mining of steeply pitched seams of the mineral.
Miller, C. G., Stephens, J. B.
core   +1 more source

Design of Explosion Proof Video Monitoring and Control System of Coal Mine Underground

open access: yesGong-kuang zidonghua, 2010
The paper introduced development of explosion proof video monitoring and control system of coal mine underground and analyzed existing problems of explosion proof video monitoring and control system of coal mine underground.It also designed a new ...
GONG Gui-jia~   +2 more
doaj  

Coal mining areas: environmental issues and solutions (on the example of Kuzbass) [PDF]

open access: yes, 2015
Rozdział z: Functioning of the Local Production Systems in Central and Eastern European Countries and Siberia. Case Studies and Comparative Studies, ed. Mariusz E.
Tsvelodub, Yuliya
core  

Design of Personnel-evacuating Warning System of Coal Mine Underground

open access: yesGong-kuang zidonghua, 2011
The paper put forward a design scheme of personnel-evacuating warning system of coal mine underground on basis of existing status of underground communication system of Tianzhuang Coal Mine, introduced working principle, functions and realizing method of
LU Shou-ming
doaj  

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