二聚体与探针之间的引力将二聚体中较低原子向上方拉动，使二聚体从一种姿态切换至另一种。
The attractive force between the dimer and the needle drew the lower atom of the dimer upward, causing the dimer to shift from one position to the other.
用压力和电能，所述激光通过使电流通过反应性气体，如氟或氯，和惰性气体，如氪或氩气的混合物产生二聚体。
With pressure and electricity, the laser creates dimers by passing electrical current through mixtures of reactive gases, such as fluorine or chlorine, and inert gases, such as krypton or argon.
第二步，在金属钾催化条件下，使第一步产物缩水甘油醚发生开环加成反应生成双子表面活性剂的中间体低聚二醇。
The second step, the digomeric glycol-intermediate product of Gemini. surfactant was prepared by opening ring reaction of glycide ether in the presence of potassium as catalyst.
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