Five trace impurities as Ce, Pr, Sm, Gd, and Dy are separated from europium oxide with P507 extraction resin by extraction chromatography. When determined simul
Based on the molecular recognition ability of conductive polymer and the peculiar properties of carbon nanotubes, a novel single wall nanotubes (SWNTs) compound
The finite element method to form Michell truss in three-dimensions is presented.The orthotropic composite with fiber-reinforcement is employed as the material
Lanthanum titanate (La2/3TiO3) powders were synthesized by hydrothermal method based on the reaction of TiO2, La(NO3 )3 and KOH at 160 ℃ for 24 h followed by t
Lutein and lutein esters in marigold flowers was quantitatively determined by high performance chromatography (HPLC) with ODS-C18 column. A mixture of CH3CN - C
Three s-triazine derivatives have been synthesized and their structures been determined. These are Compound I: 2,4-dimethyl-6-(p-N,N-dimethylaminostyryl)-s-tria
Utilizing the Liapunov functional method and combining the inequality of matrices technique to analyze the existence of a unique equilibrium point and the globa
A model classification rate control method for video coding is proposed. The macro-blocks are classified according to their prediction errors, and different par
A novel method based on ant colony optimization (ACO), algorithm for solving the ill-conditioned linear systems of equations is proposed. ACO is a parallelized