Traditional Culture Encyclopedia - The 24 Solar Terms - Type of atmosphere furnace
Type of atmosphere furnace
1. exothermic environment: FQ
2. endothermic atmosphere: XQ
3. Exothermic-endothermic atmosphere: FXQ
4. Organic liquid cracking atmosphere: YLQ
5. Nitrogen-based atmosphere: DQ
6. Ammonia preparation atmosphere: AQ
7. Charcoal preparation atmosphere: MQ
8. Hydrogen: NQ
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