Full
Outline
To study magnetic field of the high field magnet powered by flux compression generator (FCG), a theoretical model is established by analysis of loading process. According to this model, a comparative study on magnetic fields of six high field magnets with different structures is carried out, and the variation laws of the magnetic fields are also acquired. The results show that the parameters of FCG are the main factor in the initial stage, which cause small differences of peak strength and range of magnetic field between six magnets; but in the flux compression stage, the influence of the magnetic structure is more and more important with the variation of circuit process, and the peak strength and range of magnetic field for different magnets are changed significantly. Furthermore, the structure of magnet plays the decisive role in the spatial distribution of magnetic field, which is not affected by the loading process.
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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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