In hydraulic engineering, sometimes it is necessary to consider the stability of sliding bodies with lateral frictional boundaries. Neither the existing three d
Allene-like and cumulene-like oligomers with two CH2 groups at both ends of the oligomers(H2CnH2) have been found to give helical molecular orbitals for HOMO an
Starting from the same Fe3O(RCO2)6 complex and using a similar synthesis strategy, the Fe6 and Fe12 wheels were obtained by utilizing two designed ligands, 2-am