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Soil potassium testing plays an important role in soil fertilizer recommendation and site-specific fertilization. Conventional detection methods, including soil sampling, sample pretreatment and nutrient determination, are time-consuming and expensive. Ion-selective electrode (ISE) shows great potential in soil macronutrient detection because of its obvious advantages on rapid response, inexpensive...
In this paper, a three-dimensional haptotaxis model to simulate the migration of a population of cancer cells has been proposed. The invasion of cancer cells is related with the hapto-attractant and the effect of the interface energies between the cells and the ECM. The diffuse interface model, which incorporates the haptotaxis mechanism and interface energies, is employed. The semi-implicit Fourier...
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