The influence of surface roughness on the static corrosion behavior J55 carbon steel in CO2-containing geothermal water environment was investigated with respect to average rate, morphology, chemical composition, depth, and cross section products. CO2 then proposed based understanding at 65 °C. results show that rate increases increasing roughness. 5.3-fold by 1.4-fold under different exposure ...

The Gomantong cave system of eastern Sabah, Malaysia, is well-known as an important site for the harvesting of edible bird’s-nests and, more recently, as a tourist attraction. Although the biology of the Gomantong system has been repeatedly studied, very little work has been done of the geomorphology. Here we report on the impact of geobiological modification in the development of the modern as...

Liquid CO2 is a non-polar fluid, and the injection of fluid into coal seam causes strong water–rock interaction between inorganic minerals organic matter in acidic fluid. The are thereby corroded precipitated to different degrees, dissolved extracted, which further changes physical chemical properties rock. Three kinds samples with metamorphic degrees were selected as research objects, methods ...

Technologically important small band gap (<2 eV) semiconductors must be stabilized against corrosion or passivation in aqueous electrolytes before they can be used as photoelectrodes that directly produce fuels from sunlight. In addition, incorporation of electrocatalysts on the surface of the photoelectrodes is required for efficient oxidation of H2O to O2(g) and reduction of H2O or H2O and CO...