用DFT-B3LYP方法,在基组6-31G水平下,对34种N-取代苯基-苯并噻(噁)唑酮-3-甲酰胺类化合物分子进行几何及电子结构全优化,将ELUMO(......

A t-(v,k,λ)design(X,B)is a set X of points,of cardinality v,and a collection B of k-subsets of X called blocks,with the......