This paper presented a reverse copying technology for micro-electrode array fabrication by ultrasonic enhanced micro-EDM,for micro-electrode array fabrication by LIGA has shortcomings such as complex technology and high price.

The paper discusses the technology of producing polyester-polyamide and sea-island superfine composite FDY fiber from the material of PET,COPET,and PA at the spinning speed of 4 500m/min by two-component and two-box composite spinning facilities.

A study on the antitumor efficiency of hematoporphyrinsonochemically activated by bi-frequency ultrasounds;

Two-dimensional harmonics frequency estimation in additive gaussian noise background based on quaternion and hypercomplex;

Content based image watermarking algorithm in hypercomplex frequency domain

A new approach that incorporates hypercomplex correlation with robustness is presented for color image registration.

The fractal quasi holograms are produced with the self similar image model based on multi scale Hurst parameters, the fractal hyper texture model and the hyper complex number system.