Synthesis of the third-order nonlinear materials: bis (l,4-dihydroxynaphthalene)tetrathiafulvalene and bis (1,4-dialkoxylnaphthalene) tetrathiafulvalene has bee
A new flavonol glycoside,named neosmitibin was isolated the rhizome of Smilax glabra. Its structure and absolute configuration were elucidated on the basis of s
A NaA zeolite membrane was synthesized on the surface of the stainless steel slab. The membrane was characterized by XRD and SEM. The membrane was continuous
By using the chemical bond theory of diclectric description, the chemical bound parameters of (Tl,Pb)-1223 was calculated. The results show that the Sr-O,Tl-O,a