ANALYSIS OF THE FUNCTION RELATIONS BETWEEN THE DEPTH OF GAP OR SLOT AND THE SPEED OF VIBRATION IN MILLISECOND MULTIPLE-ROW HOLES BLASTING

ANALYSIS OF THE FUNCTION RELATIONS BETWEEN THE DEPTH OF GAP OR SLOT AND THE SPEED OF VIBRATION IN MILLISECOND MULTIPLE-ROW HOLES BLASTING

In order to analyze the attenuation law of blasting vibration wave through the damping groove, and to explore the function relations between the damping groove depth and damping effect of affiliation; the discussion about the Lighting blast hole millisecond firing initiation technique is based on the numerical simulation analysis software ANSYS / L

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Multirotor Drone Aerodynamic Interaction Investigation

Aerodynamic interactions between rotors are important factors affecting the performance of in-plane multirotor Unmanned Air Vehicles (UAVs) or drones, which are the majority Tonneau Cover of small size UAVs (or mini-drones).Optimal design requires knowledge of the flow features.The low Reynolds number of many UAV rotors raises the question of how t

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Primary marginal zone B-cell lymphoma of appendix

Primary lymphomas of appendix are extremely rare tumors.The Lighting first case of primary lymphoma of appendix was reported by Warren in the year 1898.Incidence of primary lymphoma of appendix is 0.015% of all gastrointestinal lymphomas.This is a report of primary marginal zone B-cell lymphoma of appendix which presented as appendicular mas

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