Brazil is an important country within the global mineral industry. The main reserves of phosphate rock in Brazil are contained in the states of Goiás and Minas Gerais, at the Catalão and Tapira cities, respectively. ...

This study deals with the production and characterization of carbon-reinforced polypropylene (CF/PP) composites from carbon fibers (CFs) treated by an atmospheric pressure dielectric barrier discharge (DBD). Following the ...

The phases and compositions of the corrosion products of a mild steel (A-36) and two weathering steels (A-588 and COR 420) formed after 3 months exposure to the tropical marine atmosphere of Panama were examined using FTIR ...

The so-called advanced ceramics or engineering ceramics attract various industrial sectors on account of characteristics such as high hardness, biocompatibility, thermal stability, chemical inertia, and corrosion resistance. ...

Climatic factors controlling seasonal and interannual changes of stable isotope composition in precipitation remains understudied across the tropics. Daily isotopic measurements of rainfall (2014–2017, Rio Claro, Southeast ...

Several methods recommended for soil analysis using acid digestion were tested for the total analysis of minor and trace elements of the clay fraction. The proposed method using mixtures of HClO4/HF was adequate to dissolve ...