Taking Pingbao Coal Mine as the engineering background, the stress distribution, surrounding rock displacement, and plastic zone distribution characteristics of a bottom gas extraction roadway are simulated by FLAC3D under multiple disturbances.The mining disturbance due to the overlying coal seam is obtained: the deformation of the roof subsidence
The objective of the present research was to produce monoclonal antibodies (MCAs) against the USDA challenge strain of infectious laryngotracheitis virus and to perform an initial investigation of their use in an indirect immunofluorescence diagnostic test.Fourteen-day old chicken embryo liver cells were grown in tissue culture plates.Confluent mon
The adsorption of toluene from aqueous solution using waste tyre rubber granules (WTRG) was investigated in a batch system.The sophie allport zebra effect of various factors such as contact time, amount of adsorbent, size of adsorbent particles, and temperature of solution on the adsorption capacity of WTRG was determined.The equilibrium contact ti
The integration of computerization in the company allows the groove and access to information in the company can quickly and accurately are reinforced on all fronts.The integration of computerized currently used large companies to compete and develop is enterprise resource planning (ERP).ERP is the integration of all the process of information data
The paper arrethe bush balm analysed and asseed the basic elements of the economic efficiency of franchises in the field of trade and services in Serbia.The main economic indicators of performance, which include payback period, an accounting rate of return, net present value, profitability level and break-even analysis, are analysed and assessed.Ex