NUMERICAL SIMULATION OF BLAST VIBRATION AND CRACK FORMING EFFECT OF ROCK-ANCHORED BEAM EXCAVATION IN DEEP UNDERGROUND CAVERNS

Numerical Simulation of Blast Vibration and Crack Forming Effect of Rock-Anchored Beam Excavation in Deep Underground Caverns

Aiming at surrounding rock damage induced by dynamic disturbance from blasting excavation of rock-anchored beam in rock mass at moderate or far distance in underground cavern, numerical model of different linear charging density and crustal stress in underground cavern is established by adopting dynamic finite element software based on borehole lay

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Raman and fourier transform infrared spectroscopy techniques for detection of coronavirus (COVID-19): a mini review

Coronavirus pandemic has been Sample Kit a huge jeopardy to human health in various systems since it outbroke, early detection and prevention of further escalation has become a priority.The current popular approach is to collect samples using the nasopharyngeal swab method and then test for RNA using the real-time polymerase chain reaction, which s

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