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In the paper, the influence factors for basicity stability ratio of sinters of Baotou Steel are found out and the corresponding solutions are studied by optimizing the sintering parameters and blending process with the raw material condition of Baotou Steel. Based on the structure of ore blending and chemical composition for sintering as well as the analysis of theoretical calculation, the main influence factors for basicity stability ratio and acceptance rate of sinters were the fluctuations of burden yield of quicklime, CaO in iron ore H and SiO2 in iron ore W. As a result, they were increased by 10.26 and 3.39 percentage points respectively by such measures as strengthening the quality supervision of quicklime, improving batching equipment and intensifying nutrilization and homogeneous mixing of iron ore.
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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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