Search
Search Results
-
Research on stability of a slope due to underground mining
This paper will present a detailed analysis of the deformation mechanism and stability assessment of the slope through field investigations,...
-
Simulation analysis of ammonia distribution in methanol production from coal water slurry gasification
Aspen plus software was employed to simulate the opposed multi-burner gasifier (OMB) methanol production process. The system concludes gasification...
-
Microstructure analysis of deep rock in Meilinmiao Mine
SEM tests were conducted on four kinds of typical deep rocks in Meilinmiao Mine, and the micro properties were analyzed. The particles of gritstone...
-
Strata-pressure behavior of double-unit mining method combining fully-mechanized and mechanized coal face
Based on the engineering background of double-unit face mining under complicated geological conditions and the lagging fully-mechanized face...
-
Two-state energy model and experimental study of coal adsorb methane
There are two states of methane existing in coal, free methane and adsorptive methane. The two states of methane exchanged with each other which need...
-
Correlativity between coal permeability and strain in quasi-plane strain state
To simulate the variety of big coal sample permeability during the rupture process under quasi-plane strain state, a series of experiments have been...
-
Current situation of simultaneous coal and methane extraction technology in pressure-relieved coalbed group
The importance of simultaneous coal and methane extraction and its significance on green exploitation is stated, and current research situation of...
-
Coalbody structure classification method based on dual-lateral and RXO crossplot analysis
According to the positive correlation of coal ash content and natural gamma, using a new coal core reposition method, which is ordered by global and...
-
Study on reaction characteristics of phenolic hydroxyl in coal by using the model compound during direct coal liquefaction
The reaction characteristics of phenolic hydroxyl group were studied under the conditions of direct coal liquefaction. 2-naphthol was used as a coal...
-
Experimental study on the mechanisms of fault reactivation and coal bumps induced by mining
Experiments simulating the effect of coal mine stop** through a fault zone were designed based on a working face of the Qianqiu coal mine in Yima,...
-
A practical framework for scenario-based optimal decision-making on water-deficient river ecological restoration in mining areas
Mining activities may cause serious damages to the river ecological environment in mining areas. It has been realized that challenging is faced for...
-
Experimental research on oxidation of phenol by activated persulfate
In this paper, the optimum process parameters were obtained through treating phenol of simulated semi-coking wastewater using heat, Fe 2+ , Fe 0 and...
-
The influence of high-yield-water characteristics on productivity of CBM wells and expulsion and production method carried out in Yanchuannan block of the Ordos basin, China
In order to further study the influence of high-yield-water on the productivity of CBM (coalbed methane) wells and the expulsion and production...
-
Detonation initiated disintegration of coal particle due to the maximum strain energy theory
Fragmentation behaviour of coal particles subjected to detonation wave is being studied. Detonation wave is initiated by a plasma cartridge at one...
-
Damage, failure and stability control of evolutionary process caused by re-exploitation of the residual resources
On the basis of considering the heterogeneity and using the finite element numerical simulation, this thesis investigates the damage of the roof and...
-
Co-processing petroleum catalytic slurry with coal
It is studied that reactivity of petroleum catalytic slurry (PCS) and coal with Fe catalyst in 1 L autoclave, the following is mainly discussed, coal...
-
Trinomial tree model of the real options approach used in mining investment price forecast and analysis
In order to effectively avoid the defects of a traditional discounted cash flow method, a trinomial tree pricing model of the real option is improved...
-
Computation model of proppant embedment depth based on dimensional analysis
Hydraulic fracturing is designed to form a high-conductivity fracture. The proppant will embed into the formation rock, especially in soft rock,...
-
Experimental study on slime water flocculation sediment based on the montmorillonite hydration expansion inhibition
Through the montmorillonite settlement experiment in the clear water and electrolyte solution, the influence of slime water settling character was...
-
Determination of the gas compositions for direct coal liquefaction by gas chromatography
Via multi-dimensional gas chromatography, configured with parallel dual-channel, double detectors, valves switching and back flushing, rapid analysis...