5Analysis of chemical constituents in essential oil of Sophora japonica L.flower in Zhengzhou city area15-18
17Development of prepary charging intelligent system of an electric meter controlled by computure54-56
19The cause and effect and the principle of symmetry and its application in the electromagnetic fields59-61
20The semiempirical formula of electron scattering from poly-atomic molecules for total cross sections at intermediate and high energy62-65