| 英文摘要 |
When advancing diffusion model was applied in deriving the solution of concentration of diffusing substance in a solid cylinder medium, calculating diffusion depth numerically became possible. However, the numerical iteration makes the process of curve fitting the data of the concentration of diffusing substance in the medium very difficult, which is a critical process of deriving the diffusion related parameters. To prevent the numerical iteration, this study presents a process named Taylor series approaching illation. A polynomial is derived for locating the diffusing front without numerical iteration. Numerical fitting the data of the average concentration of the diffusion substance in the cylinder medium to derive the diffusion related parameter becomes straightforward. |
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