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    1. ÍõÁ¢ÐÂ, ÕÅΰ. ¾Û°±õ¥»·±£´ß»¯¼ÁÑо¿½øÕ¹[j]. »¯Ñ§¹¤ÒµÓ빤³Ì, 2022, 39(3): 45-52.
    2. Àî־ǿ, ³ÂÏþ¶«. îéϵ´ß»¯¼ÁÔÚ¾Û°±õ¥ÖеÄÓ¦ÓÃÏÖ×´[j]. ËÜÁϿƼ¼, 2021, 49(6): 88-93.
    3. Öйú¾Û°±õ¥¹¤ÒµÐ­»á. ¾Û°±õ¥ÐÐÒµÂÌÉ«·¢Õ¹°×ƤÊ飨2023Äê°æ£©.

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    1. zhang, y., et al. (2021). "bismuth-based catalysts for polyurethane synthesis: a review." journal of applied polymer science, 138(15), 50212.
      ? doi: 10.1002/app.50212

    2. roesle, p., & stenzel, m. h. (2020). "recent advances in non-toxic catalysts for polyurethane foams." green chemistry, 22(14), 4451¨C4468.
      ? doi: 10.1039/d0gc01234e

    3. european chemicals agency (echa). (2022). restrictions on mercury and its compounds.
      ? https://echa.europa.eu


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