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The development idea of green and low-carbon smelting technology is actively practiced in Baotou Steel by taking the principle of “high efficiency, low consumption and high quality”. In recent years, with the increase of proportion of self-produced ore, gas utilization rate of the whole plant is increased by 2.43 percentage points, fuel ratio is cumulatively reduced by 33.1 kg/t and utilization factor of blast furnace is increased by 0.132 t/(m3·d) through actively improving quality of raw materials and fuel, controlling contents of harmful elements as fired, high oxygen enrichment, high blast temperature and coal ratio, selecting suitable theoretical combustion temperature, optimizing charging system, refining basic management of stokehole and standardized operations of production equipment as well as strengthening collaborative guarantee of working procedures. As a result, all technical and economic indicators are with greater progress.
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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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