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 Author(s): PRABHU, A. S.; SANTOS, A. B. dos; DIDONET, A. D. Um experimento de campo, para avaliar a eficiência de serpentinito calcinado como fonte de silício na produtividade da cultura de arroz irrigado, cultivar BRS Formoso, foi utilizado para estudar seu e... ... |
 Author(s): CARNEIRO, M. E.; MAGALHAES, W. L. E.; BOLZON DE MUÑIZ, G. I.; NISGOSKI, S.; SATYANARAYANA, K. G. With the progress of nanotechnology and increase in demand, several silica processing industries have started producing silica nanoparticles. As a result, the search for new sources capable of produci... ... |
 Author(s): MARTINS, V.; GONÇALVES, A. S. F.; MARCHI, G.; GUILHERME, L. R. G.; MARTINS, E. de S. O Brasil dispõe de reservas de rochas silicáticas potássicas de baixa solubilidade, sendo necessário o desenvolvimento de alternativas de beneficiamento capazes de aumentar sua solubilidade, para o su... ... |
 Author(s): SOUSA, M. S. C.; CHOQUE FERNANDEZ, O. J.; BRASIL, E. C.; COSTA, M. L. da Thermophosphate consists of the thermal treatment of the rock, with or without addition of other materials, being an excellent source of phosphate fertilizer, presenting other nutrients and beneficial... ... |
 Author(s): DELA PICCOLLA, C.; HESTERBERG, D.; NOVOTNY, E. H.; MURAOKA, T.; ANASTACIO, T. C.; REIS, J. V. dos Phosphorus is a macronutrient for all organisms, and its projected future scarcity generates a need for more efficient P recycling technologies. Because animal bones are rich in P, they could be emplo... ... |
 Author(s): PRADO, A. C. F.; MALAFATTI, J. O. D.; RIBEIRO, C.; JOYA, M. R.; LUZ, A. P.; PARIS, E. C. Increasing global warming due to NOx, CO2, and CH4, is significantly harming ecosystems and life worldwide. One promising methodology is converting pollutants into valuable chemicals via photocatalyti... ... |
 Author(s): CARDENAS F., L. J.; CHIMENOS, J. M.; MORENO A., L. C.; PARIS, E. C.; JOYA, M. R. Abstract: In this study, we investigated the phase transition of cobalt spinel (Co3O4) nanoparticles into Co3?xNixO4/CoO heterostructures by introducing varying amounts of nickel (x = 0.0–0.16) and su... ... |
 Author(s): CONTI, P. P.; SANTOS, D. M. dos; GOLDTHORPE, I. A.; CORREA, D. S. Ammonia (NH3) detection has gained considerable attention in agricultural and environmental monitoring, chemical and pharmaceutical processing, and disease diagnosis, which requires the development of... ... |
 Author(s): CORREIA, F. H.; CURADO, I. C.; GHESTI, G. F.; BRAGA, P. R. S.; MARINHO, A. L. A.; MATTOS, L. V.; NORONHA, F. B.; SOARES, I. P.; SCHULTZ, E. L. Ni-Mg-Al mixed oxides derived from hydrotalcite-like compounds were prepared by a co-precipitation technique, calcined at two temperatures (550 °C and 750 °C) and applied to steam reforming of simulat... ... |
 Author(s): BORGES, W. L.; GARCIS, J. P.; TEIXEIRA, P. C.; POLIDORO, J. C. The objective of this study was to evaluate the efficiency of granulated formulations, made using calcined bone meal as a phosphorus source, on cowpea, soybean, and corn in the Amapá State, Eastern Br... ... |
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