A proper burden and porosity distribution of the bed in the upper shaft are important prerequisites for realizing a stable and efficient operation of the ironmaking blast furnace.The discrete element method was used to investigate the effects of the static friction coefficient between burden particles and shaft angle on the burden profile and poros
Unmanned aircraft system (UAS) applications have increased exponentially in recent years owing to their low cost, improved performance, and the use of advanced technology in this relatively new and rapidly evolving industry.Despite the advanced technologies used in UASs, the integration of UASs into the air traffic management regulatory framework i
Commercial windows display have evolved, began from wooden signage to interactive windows on roofs and walls with the receiver viewing the commercial window display; where windows display are one of the most important advertising means and an effective element in purchasing products, where advertising designer depends on attraction and dazzle to in
Tea waste is by-product of tea manufacturer that is potential as an alternative of protein source.Twenty male cross-breed weanling rabbits were used to investigate the optimum utilization of tea waste in ration of rabbit.Completely randomized design was used with four treatments 90s Jean and five replications.The levels of tea waste in pellet ratio
In order to determine influence of ventilation mode on dust distribution on fully mechanized heading face and explore dust reduction effect under different ventilation modes, the 209 fully mechanized heading face of Longde Coal Mine was taken as research object, and the software of FLUENT was used to simulate distribution of dust in the roadway and