Lignin from paper-making waste liquor was used as slow-releasing material to potassium fertilizer, which was propitious to resources utilization and environmental protection.

  • 木质素来源于造纸废液,作为钾肥的缓释材料,其资源环保意义重大。

  • 互联网摘选 2026-07-13 15:59:14

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