Study on SIR Epidemic Model with Constant Vaccination: A Differential Transformation Approach
Vaccination initiatives have resulted in significant levels of permanent protection against the childhood disease in the general population over the years. Infectious disorders affecting children are the most common. In this paper, a SIR model is created to track the temporal dynamics of a childhood disease in the presence...
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Study on Adhesion of Bacterio-contaminants to Fragments of Rocks Immersed in Water: Impact of Some Chemical Properties of the Medium and Intrinsic to the Cells
A study was conducted in an aquatic microcosm with the goal of determining the impact of environmental chemical factors and cell-specific characteristics on the retention of bacterial pollutants in the aquatic environment on solid substrates. Sandstone, basalt, granite, and micaschist were employed as rocky substrates. There are four main...
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Thermal and Flow Analysis of the Helical Coil Heat Exchanger Used in an Aqueous Solution of Ammonium Nitrate Solubility (ANSOL) with 20% H2O and 80% AN
The goal of the case study is to determine the steam flow rate and saturation temperature that will allow a solution of water and ammonia nitrate (ANSOL) to be heated in a shell and helical coil tube heat exchanger during a time period without the ANSOL solution crystallising. The...
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