评论 来源:聚焦网 时间:2023-05-16 07:06:35
(资料图片仅供参考)
1、1905年,美国化学家贝克兰有一次将苯酚和甲醛放在烧瓶里,以酸做催化剂。
2、然后进行加热反应发现。
本文到此结束,希望对大家有所帮助。
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