POPULATION FLOW AND EPIDEMIC SPREAD: DIRECT IMPACT AND SPATIAL SPILLOVER EFFECT


Balancing Energy Processes in Turbine Engines

The article discusses the issue of balancing energy processes in turbine engines in operation in aeronautic and marine propulsion systems with the aim to analyse and evaluate basic operating parameters.The first part presents the problem of enormous amounts of energy needed for driving fans and compressors of the largest contemporary turbofan engin

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P137 Reflections Revisited: Reinterpretation Required

Abstract Introduction Pressure waveshape derived parameters such as the augmentation index are related to unfavourable cardiovascular events [1].Wave reflections determine wave shape [2], however, several findings seem to contradict the boxes current views.Current view.The arterial system can be modelled by a tube with a reflection site at the end:

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