Research Article
A Multiphase Flow in the Antroduodenal Portion of the Gastrointestinal Tract: A Mathematical Model
Table 3
Component mass sources and initial mass fractions.
| | Component index | Component name | Initial fraction, | Secretion sources | Absorption sources | Reaction sources | Source from particles |
| | | Hydrochloride acid | 0 | | — | | — | | | Reaction product | 0 | — | — | | — | | | Sodium bicarbonate | 0 | , | — | | — | | | Solute proteins | 0 | — | — | | | | | Solute fats | 0 | — | — | — | | | | Solute carbohydrates | 0 | — | — | — | | | | Chemicals | 0 | — | , | — | | | | Pepsin | 0 | | — | — | — | | | Polypeptides | 0 | — | — | | — | | | Water | 1 | , | — | | |
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