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The effects of temperature and DC electric field on the diffusion characteristics of water molecules in nano-SiO2 modified vegetable insulating oil were analyzed by molecular simulation. The results show that the water molecules in the model is polarized under the influence of strong electric field, and the initial disordered arrangement is rapidly transformed into an ordered arrangement along the electric field. When water molecules are bounded by electric field, the Brownian motion intensity of water molecules becomes weak, and the diffusion strength of water molecules in vegetable oil is weaken. At the same time, the electric field increase the interaction energy between water molecules and vegetable oil molecules, which makes the combination between them more closely, and weakens the influence of temperature on the interaction energy. In addition, the free volume of model is smaller after the application of electric filed, and the peak value of radial distribution is lower in the radial distribution diagram.
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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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