This article has deseribed the progress and application and cautions of electrostatic high-rotation bell atomization spray for metallic coatings and the influencing factors.

Here we discuss the method of preparation of golden pearl pigment by ferric oxide's wrapping on titanium-mica,and also we research the quatity of ferric oxide,temperature,pH which in- fluence the quality of product.

Here we discuss the preparation method of green pearl pigment by de- positing chromium oxide on the micatitanium,and research the wrap- ping quantity of chromium,reaction tempture,calcining tempture,and so on which affect the quality of product.

Comparison of welding temperater field between bainite rail and pearlite rail;

Recent evolution of pearlite transformation theory;

Evolution of pearlite microstructure during warm cross wedge rolling;

Process of research work regarding synthesis and applications of stearic acid glycol ester type pearlescing agent;

The result showed that the pearlescent effect was affected by the preparation process as well as the pearlescing agent content,and it was best when the dosage is 2%.

For thesake of knowing mechanism of preparing nacreouspigment of mica titanium and adjusting pH with urea, we need to measure fast and exactly concentration of titanium to direct preparing top grade nacreous pigment of mica titanium.

TiO2 - mica nacreous pigment with Fe2O3 is prepared by the process of boiling hydrolysis.