Three series of quaternary rare earth complexes [Ln( x MBA) 2(NO 3)(Phen)] 2(Ln=La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Er;MBA=CH 3C 6H 4COO -)were synthesized in ethanol/water solution system with slight acidity, the products were characterized by elemental analysis, IR,UV,DTA TG and 1H NMR, the ESR spectra of three Gd complexes and fluorescence spectra of three Eu complexes were determined.

Introduces a new multidimensional algebra named the quad-quaternion.

Solution of Forecasting-Correcting-Improving Algorithm to Quaternion Differential Equation of SINS Attitude;

Research on the Quaternion Feedback Linearization for Spacecraft Attitude Control;

Cubic nonlinear phase coupling analyse of two-dimensional harmonic based on quaternion;

Study on metastable phase equilibrium of quaternary system Li~+,K~+//CO_3~(2-),B_4O_7~(2-)-H_2O273K;

The equilibrium solubilities and phase diagram of the quaternary system KVO3-NaVO3-CO(NH2)2-H2O at 298 K are studied by isothermal dissolution equilibrium method.

The solubility of saturated solutions of quaternary system RbCl-CeCl3-HCl-H2O at 25 ℃ was determined and the corresponding equilibrium diagram was constructed.

Europium and terbium rare earth complexes with tetracarboxylic acid were successfully prepared in aqueous solution.

"Multi-factor controlling,four-factor entrapping and key-factor enrichment" of stratigraphic-lithologic reservoirs and exploration practice in Erlian Basin (Ⅰ)——"Multi-factor controlling" mechanism;

"Multi-factor controlling,four-factor entrapping and key-factor enrichment"of stratigraphic-lithologic reservoirs and exploration practice in Erlian Basin(Ⅱ)——"Four-factor entrapping"mechanism;