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Graphite composite bipolar plate was prepared by tape casting method. With electrical conductivity and mechanical properties as the main indexes, combined with Scanning Electron Microscopy (SEM) characterization technology, the slurry viscosity, slurry temperature, tape casting speed, scraper height and liquid level height were explored to study the tape casting process of the green billet of bipolar plate. The results show that, the suitable slurry viscosity is 5 500~6 500 mPa·s, the slurry temperature is 35~40 ℃, the slurry velocity is 0.5~0.6 m/min, the scraper roll height is 1.2~1.4 mm, and the liquid level height is 2.5~3.5 cm. In this case, the fluidized plate has high density of embryos, uniform adhesion, smooth surface and high smoothness.
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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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