ethynyl的英语例句
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Intervening ethynyl unit is beneficial to extend the conjugated pathway, and increase the two - photon absorption cross - section.
插入乙炔基有利于扩大共轭范围, 增加分子的双光子吸收截面.
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... > low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol;
报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-< ...
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