控制缩合反应的温度,还得到一种苯并环庚酮和一种苯并环戊烷.One benzosuberone and one benzocyclopentane are synthesized when controlling the condensation reaction temperature.应用3, 5-二烯庚酮-2和 次氯酸钠 反应制备山梨酸.In this paper , we used 3, 5 - Heptadienone and ...
An undesired change in the waveform of a signal.限制波形振幅的线路....female saints who took vows of virginity rather than submit to an undesired marriage with a pagan.立誓独身也不愿屈服与异教徒结婚的女圣人To avoid undesired effects of optimizing c...