Browsing Teses e dissertações by Subject "Nitrogênio"
Now showing items 1-3 of 3
-
Estudo de longa duração da distribuição espaço-temporal de nutrientes no rio do Monjolinho, São Carlos - São Paulo
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 26/06/2015)In this study, it was made the determination of nutrients (in the forms of orthophosphate, total phosphorus, nitrogen series, total nitrogen and total dissolved carbon) and physicochemical variables in surface waters and ... -
Nitrogen and Phosphorus Nanocomposite Fertilizers: Synthesis, Particle Size and Matrix Effects
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 26/02/2018)With high agricultural productivity, is necessary a chemical fertilization of soil, and nitrogen and phosphorus are the macronutrients indispensable for plants. In this sense, the current demand for fertilizer requires ... -
Compreendendo o papel da melamina (C3H6N6) no caminho de degradação de compósitos fertilizantes contendo ureia
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 23/11/2021)This work proposed a study of new fertilizer composites that have melamine in their composition, a molecule of high nitrogen content (66% total mass) but recalcitrant, observing factors that may influence the effective ...