1) Biporous bead and superporous bead 双孔和超大孔2) extra-large-micropore 超大微孔 1. Recent advances achieved in novel molecular sieves,such as molecular sieves containing extra-large-micropore,mesopore and double four-memebered ring(D4R) are introduced. 对近年来新合成的分子筛材料,如超大...