... tlc-bromination 薄层溴化法 low oxygen process 低氧工艺 functional demand 功能性需求 ...
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low oxygen process
低氧法
以上为机器翻译结果，长、整句建议使用 人工翻译 。
If, however, they are subjected instead to pyrolysis a process of controlled burning in a low-oxygen atmosphere the result is charcoal, a substance that is mostly elemental carbon.
ECONOMIST: Biochar could enrich soils and cut greenhouse gases as well
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