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In this article, it is introduced the nitrogen content and oxygen concentration in heating furnace are reduced to inhibit NOx to be generated through taking such specific measures as strictly implementing cooling system for rolling delay, improving hot charging rate and strengthening furnace body maintenance from the aspect of strengthening management of heating furnace as well as such means as taking minimum coefficient of excess air, refining air-fuel ratio, reasonably distributing thermal load, accurately controlling combustion temperature, prohibit negative pressure operations and increasing preheating temperature through analyzing the generation mechanism and influencing factors of NOx based on current thought and methods of treatment for NOx combining with working principle and characteristics of regenerative heating furnace. As a result, the accuracy of production operation is improved, generation of NOx is reduced so that ultra low emission of NOx is achieved.
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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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