In a more complex one - step reaction, bonds both form and break.
在较复杂的一步反应里, 既有化学键的形成,也有化学键的断开.
辞典例句
Methods: The target compound was prepared through a four - step reaction from 4 - bromophenol .
方法以 4- 溴苯酚为原料,经4步反应制得目标化合物阿达帕林.
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A two step reaction is included in the model: pyrolysis reaction and fuel oxidation.
材料阴燃的化学反应采用两步反应模型: 无氧热解反应和有氧热解反应.
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