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The design of injection and extraction fluid volume is closely related to both the effective leaching range of the lixiviant and the operational cost of the well field. To facilitate economically efficient decision-making regarding injection and extraction fluid volume in the "horizontal well-vertical well" system within the in-situ leaching uranium mining domain, a simulation-based optimization decision method for the "horizontal well-vertical well" system is proposed, leveraging multi-objective optimization algorithms. The research indicate that, compared to the initial scheme of uniformly distributing injection and extraction fluid volume, the decision scheme R2 achieves an 8.84% increase in the leaching range while reducing operational costs by 51.14%. This method has identified four "key wells" in the LK mining area, emphasizing the importance of closely monitoring the flow rates of such wells during scheme decision-making and adjustments. Based on the Pareto solution set derived from the multi-objective optimization, six combinations of injection and extraction operational schemes with varying effective leaching ranges and cost-weight ratios are selected to guide decision-makers in their scheme selection.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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