例句與造句

1. One way to observe this distortion is in pyramidal alkenes.
2. These include cyclophanes, Platonic hydrocarbons, pyramidal alkenes, and cyclic alkynes.
3. In one study, isolation of a pyramidal alkene is not even possible by metal coordination:
4. In truth, the misalignment of the p orbitals is less than expected because pyramidalization takes place ( See : pyramidal alkene ) . " trans "-Cyclooctene is a stable strained alkene and the orbital misalignment is only 19?with a dihedral angle of 137?( normal 120?) and a degree of pyramidalization of 18?
5. It's difficult to find pyramidal alkene in a sentence. 用pyramidal alkene造句挺難的