Finite-Time Sliding Mode Control for Undersea Vehicles

A finite-time sliding mode control system based on a radial basis function (RBF) neural network was proposed to solve the longitudinal control problem of incomplete submerged vehicles because of the uncertainty and nonlinearity google pixel 7 freedom of undersea vehicle systems.The unknown term in the state space equation of undersea vehicles was c

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Comparison of the Production of Extracellular Matrix in Nucleus Pulposus of Intervertebral Disc in Alginate and Chitosan-Gelatin Scaffolds

Background: Low back pain is an important disorder linked with degenerative changes in the intervertebral disc (IVD).Degradation of IVD is caused by decreased number of cells, reduced production and degradation of extracellular matrix of IVD tissue especially in nucleus pulposus (NP).Natural and synthetic scaffolds are used for regeneration of IVD

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Referring to Nothing

Typical accounts of reference demand that referring terms denote existent objects.This assumption is shared by theories across a variety of areas of philosophy, in particular, direct reference views in philosophy of language; neo-Fregean conceptions in the philosophy of cocktail tree for sale mathematics, and easy-ontology approaches in metaphysics

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