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The one-dimensional ANF and two-dimensional edge-hydroxylated BNNS (BNNS-OH) were mixed to prepare ANF/BNNS-OH composite insulating papers with “brick -mud” structure by vacuum filtration technology. The mechanical properties, thermal conductivity, dielectric properties, and breakdown properties of the composite insulating paper were studied. The results show that the BNNS-OH arranges in ANF orderly, and the structure is dense. The ANF/BNNS-OH composite insulating paper has excellent mechanical properties, thermal conductivity, and breakdown properties. When the mass fraction of BNNS-OH is 10%, the tensile strength and electric strength of the composite insulating paper are 242.4 MPa and 312.9 kV/mm, respectively. When the mass fraction of BNNS-OH is 40%, the thermal conductivity of the composite insulating paper reaches 6.76 W/(m·K), which is 158.02% higher than that of pure ANF insulating paper. At same time, the composite insulating paper has excellent high temperature wideband dielectric stability.
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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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