Volatile organic compounds (VOCs) are emitted as gases from certain solids or liquids.
挥发性有机化合物(VOC)以气体形式从某些固体或液体中发挥出来。
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Under the experimental condition, one third volatile was yielded during pyrolysis of black liquor solids from wheat straw pulping in the fixed bed pyrolysis apparatus, and other was solid residue.