Results 71 to 80 of about 34,337 (295)
Research of Model Selection of 'Three Machines' of Mine Based on AHP
Gong-kuang zidonghua, 2010 The paper introduced general principle of structure model and application of AHP in model selection of 'three machines' of fully mechanized working face, put forward decision-making model for equipment matching in fully mechanized working face, which ...
TENG Xiang-li
doaj
Pumping pillar technology of fully mechanized caving face passing through abandoned roadway
Gong-kuang zidonghua, 2019 Existing working face passing through abandoned roadway based on traditional support methods cannot adapt to changeable geological conditions well. Based on research background of 8103 fully mechanized caving face of Yongdingzhuang Coal Industry Co., Ltd.
HAO Yuhui, KANG Guanxian
doaj +1 more source
Business Strategy and the Environment, EarlyView.ABSTRACT While industry platforms are widely recognized as enablers of circular innovation, we still know little about how they evolve to scale and sustain innovation as economic conditions tighten and circular economy funding schemes become more selective.
Eva Qi Wang +3 more
wiley +1 more source
Failure characteristic and fracture evolution law of overburden of thick coal in fully mechanized sub-level caving mining [PDF]
, 2017 In mining process, the height of water flowing fractured zone is important significance to prevent mine of water and gas, in order to further research the failure characteristic of the overlying strata.
Fan, Cunhui, Qin, Qirong, Wang, Xiaolei
core +1 more source
Strategic Shift: The Power of Green Strategy on Sustainability Performance
Business Strategy and the Environment, EarlyView.ABSTRACT Employing FTSE Russell's unique Green Revenues data on S&P 1500 firms from 2016 to 2024, this study examines the long‐term effects of a corporate strategic shift toward green strategy, proxied by green revenue reporting, on corporate sustainability performance.
Post Raj Pokharel
wiley +1 more source
Development of automatic test platform of electro-hydraulic control system of hydraulic support
Gong-kuang zidonghua, 2018 In view of problems of high cost, low test efficiency and unable to record test data automatically of functional test methods of existing electro-hydraulic control system of hydraulic support, and in order to verify adaptability of control logic of the ...
LI Junshi
doaj +1 more source
Positioning system of fully mechanized working face based on UWB and laser ranging
Gong-kuang zidonghua, 2021 Traditional wireless positioning technology has low accuracy, and UWB positioning technology can achieve centimeter-level high-precision positioning to meet the accuracy requirements of the fully mechanized working face positioning systems. However, the existing researches ignore the impact of position change of the base station installed on the ...
NIU Yonggang, +5 more
openaire +1 more source
“Missed Opportunity”: Operation Broadsword, 4 Brigade and the Gulf War, 1990–1991 [PDF]
, 2012 The decision not to deploy 4 Canadian Mechanized Brigade (CMB) to participate in the Gulf War may eventually be of interest to students of Canadian defence policy.
Maloney, Sean M.
core +1 more source
Carbon Energy, EarlyView.This review provides a comprehensive and systematic overview of the multifunctional design strategies for solid polymer electrolytes (SPEs), a pivotal component for enabling high‐performance all‐solid‐state batteries (ASSBs). It begins with a detailed classification of SPE systems and elaborates on their respective molecular design principles. The work
Bin Man +11 more
wiley +1 more source
Method for calculation of drilling-and-blasting operations parameters for emulsion explosives [PDF]
, 2019 Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with application of emulsion explosives taking into account their energy characteristics as well as physical and mechanical ...
Khomenko, O +3 more
core +1 more source