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At present, foreign brands almost occupy the entire fan lubrication market share, and domestic oil products lack opportunities to enter the market. To demonstrate the feasibility of domestic substitution of lubricating oil for wind turbine gearboxes, the testing and analysis database for domestic gearbox lubricating oil and foreign competitors is established by adopting laboratory analysis to test the physical and chemical performance indicators (including kinematic viscosity, viscosity index, flash point, pour point, moisture, acid value, demulsibility, foam characteristics, liquid phase corrosion, and copper corrosion), tribological performance indicators (sucn as maximum seizure free load, sintering load, friction coefficient, wear spot diameter, comprehensive wear), and other lubricating oil performance indicators (like antioxidant performance, ferrography, infrared spectroscopy, and PQ index). The comprehensive performance of domestic gearbox lubricating oil products is systematically evaluated, and the feasibility study of domestic substitution of wind turbine lubricating oil is completed. The results indicate that there is not much difference in the basic performance indicators between domestic brand fan gearbox lubricating oil products and imported brands, and the substitution is feasible.
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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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