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This paper discusses the impact effect of hydroblasting shot hole on casing of different materials and the application prospect of FRP casing in in-situ leaching uranium. Taking UPVC material casing and FRP material casing as the research objects, under the condition of the same arrangement of spray gun and nozzle, the reliability test was carried out by using abrasive suspension with sand ratio of 10%~15%. By changing the spray pressure and time, the shot-through condition and inner wall deformation of the casing were analyzed. The results show that the FRP casing can be shot through and form shot holes to meet the water volume requirements under a certain pressure; compared with UPVC material, the FRP casing has better high-pressure resistance performance, which can satisfy the demand of hydraulic fracturing technology for casing pressure resistance, and it has a better application prospect in the field of in-situ leaching uranium.
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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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