Metamaterials are more favorable for gradient refractive index application,inhering design diversity and large variable scope.

Metamaterial is artificial material that may exhibit electromagnetic(EM)responses not readily found in natural;To explore the potential applications of metamaterials in EM engineering,electromagnetic parameters of metamaterials,such as electric permittivity,magnetic permeability,refractive index and wave impedance,must be acquired firstly.

Electromagnetic Processing of Materials (EPM) means that electric field or magnetic field is applied to process of preparation and machining of materials, to control the above process and the quality of products, to improve the microstnicture and properties of materials.

The paper illustrates the mechanism of the magnetoelectric effect briefly, and systematically introduces the progress and current status of the research of magnetoelectric materials in the world as well as their classification.

The breaking of universal symmetry of electromagnetic field distribution in an anisotropic magnetoelectric material will give rise to nonzero vacuum momentum.

Objective To investigate the related factors,precautionary measures and the treatment of infection after artificial material implantation.

Objective To study in-vitro compatibility between artificial materials and tendon cells as well as the growth of the tendon cells on the artificial materials.

The BESO method based on artificial material is improved and the error of artificial material elements’ stress sensitivity number is limited within 5% in the thesis.