Using the methods of multivariate linear regression analysis,the curves of the relation between Co concentration and etching time,and the relation between etching depth and etching time were studied,the regression analysis results were utilize to qualitatively analysis acid corroding feature or quantitatively analysi.

The corrosion behavior of titanium in hydrogen peroxide solutions was studied by measuring the titanium ions concentration using spectrophotometer.

However, because of its strong corrosion behavior in high temperature yellow phosphorus tail gas cannot been utilized as boiler fuel.

The corrosion characteristics of the wall of BFe-30-1 condenser tubes made of white copper under different working conditions were studied by using tensile test,metallography-energy spectrum and XRD analysis techniques.

Their cast structures and corrosion abrasion characteristics have been studied.

The energy characteristic and cavitation characteristic of the pump device at the blade angles of 0° and ±2° were studied through model test,and the different measures for vortex suppression and flow diversion which affected the performance of the pump device were analyzed.

A study on features of erosion in loess areas;