搜索 - 科创

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本文以苯甲醛PhCHO、过量苯乙酮PhCOCH3为原料，40%碱液为催化剂，乙醇为溶剂，加热回流合成1,3,5-三苯基-1,5-戊二酮，即PhCH(CH2COPh)2注：本文中Ph表示苯基，即C6H5...

实验B设计及假设关于臭氧的第二个实验是关于臭氧的吸收速率的实验，考虑到现在家庭和公共场所喜爱利用植物做装饰，对于消除臭氧，我们主要考虑的方向是植物吸收。经小组同学在花鸟市场调研，我们选择了4种比较常见...

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