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But it may not be generally realized that Hamilton's optical method, suitably generalized, can be used to treat a much wider class of problems of water waves. The method is essentially Huygens ...

Abstract: Oil-gas-water three-phase slug flow ... In this paper, to accurately measure the overall volume flowrate of horizontal oil-gas-water three-phase slug flow, a novel theoretical model was ...

The climate crisis is fuelling illnesses such as malaria, cholera and dengue, causing food insecurity, malnutrition, ...