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1“... heating rates and calcination times to study their crystallization. The mixed oxides were characterized...”
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2por Garnica, Alfredo Ismael Curbelo., Souza, Carlson Pereira de., Duarte, Márcia Maria Lima., Universidade Federal do Rio grande do Norte. Centro de Tecnologia.“... lático.#$&Abstract: Separation of lactic acid has been tried a number of times different processes...”
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4“..., temperature of 1290ºC, heating rate of 20ºC/min, using different soaking times of 30 and 60 min and cooled...”
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5“... conditions (0.5 - 1.0 - 1.5 A) and time variations (15 - 30 - 60 - 90 and 120 min), respectively...”
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6“... and steam reforming processes was made. In steam reforming the H2 yield achieved was 3.14 times the methane...”
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7“... grains of the same size, and have smaller response time and shorter recovery times. These results were...”
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8por Oliveira, Leiliane Alves de., Gomes, Uilame Umbelino., Souza, Carlson Pereira de., Universidade Federal do Rio Grande do Norte.“... in grinding times following: a) 5 hours in the planetary mill for all post b) 8 hours of grinding in the mill...”
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9por Silva, Maitê Medeiros de Santana, Sena, Michael Segundo, Moriyama, André Luis Lopes, Souza, Carlson Pereira de, Santos, A. G.“...), calcining time (3, 4 e 5 h) and heating rate (5, 7 e 10 °C min−1) was investigated. Single-phase powders...”
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10por Medeiros, Indira Aritana Fernandes de., Souza, Carlson Pereira de., Universidade Federal do Rio Grande do Norte.“... method 120°C, 140°C and 160°C), calcination time (combined complexation method EDTA/Citrate - 2, 4 and 6...”
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11por Fontes, Francisco de Assis Oliveira, Gomes, Kalyanne Keyle Pereira, Oliveira, S. A., Souza, Carlson Pereira de, Sousa, João Fernandes de“... temperature gradient inside the reactor was determined. Total reaction time was monitored by a gas...”
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12“... (hydrothermal method 120°C, 140°C and 160°C), calcination time (combined complexation method EDTA/Citrate...”
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13“... the time in the isotherm between 3, 4 and 5 hours. The gas mixture is composed of nitrogen and hydrogen...”
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14por Medeiros, Francisca de Fátima Pegado de., Souza, Carlson Pereira de., Souza, João Fernandes de., Universidade Federal do Rio Grande do Norte.“... carbides were produced in the temperature range of 820º - 950ºc for a reaction time between 1 and 2 hours...”
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15“... reaction time between 1 and 2 hours. These values are much lower than the temperature and time used...”
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16por Silva, Maria do Socorro Bezerra, Melo, Raffael Andrade Costa de, Moriyama, André Luis Lopes, Souza, Carlson Pereira de“... 0.5 to 1.5 A, at a constant time of 60 min, with and without mechanical stirring, and with different...”
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17“... in situ by Fourier Transform InfraRed spectrometer as a function of time and temperature. The catalytic...”
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18por Moriyama, André Luis Lopes., Souza, Carlson Pereira de., Universidade Federal do Rio Grande do Norte.“..., in the tested range, are temperature of 1000 °C and time of calcination 5 hours. For the Ce2(W()4)3, the ideal...”
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19“..., in the tested range, are temperature of 1000 °C and time of calcination 5 hours. For the Ce2(WO4)3, the ideal...”
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20por Lima, Maria José Santos, Souto, Maria Veronilda Macedo, Silva, Ariadne Souza, Gomes, Uílame Umbelino, Souza, Carlson Pereira de“...) and short reaction time. The materials obtained were characterized by X-ray diffraction (XRD), Rietveld...”
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21“...) and in short reaction time (60min), in a tubular oven, and in a gas atmosphere of methane (CH4) and hydrogen...”
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22por Borges, Filipe Martel Magalhães, Souto, Maria Veronilda Macedo, Araujo, Camila Pacelly Brandão de, Lima, Maria José Santos, Gomes, Uilame Umbelino, Souza, Carlson Pereira de“...) and with shorter reaction time (2h) than traditional methods. Reaction products' were characterized by XRD, crystal...”
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23“..., and to 1000 °C at a fixed heating rate 10 °C.min-1 and variable time calcination, to be made monitoring...”
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24“... (5, 7 and 10 ° C min-1) and calcination time (3, 4, and 5 hr), on phase formation, the crystallite...”
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25por Lobato, Maxwell Ferreira, Souza, Carlson Pereira de, Passos, R. H., Santos, Andarair Gomes dos, Gomes, I. R. B.“... the highest value, 352.7 nm. This increase was probably due to insufficient time in which the sample...”
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26“... temperature (1000°C) and short reaction time (2 hours). The niobium carbide was produced with 5 % and 11...”
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27“... was used in this work as a reduction agent in a plasma reactor. Time and temperature were optimized during...”
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28por Souto, Maria Veronilda Macedo., Souza, Carlson Pereira de., Gomes, Uilame Umbelino., Universidade Federal do Rio Grande do Norte.“...) and short reaction time (2 hours). The niobium carbide was produced with 5 % and 11% of copper...”
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29por Lima, Maria José Santos, Gomes, Uilame Umbelino., Souza, Carlson Pereira de., Universidade Federal do Rio Grande do Norte.“... temperature (1000 ° C) and short reaction time. The materials obtained were characterized by X-ray diffraction...”
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30“... of PCI/solution) and time (from 30 to 150 minutes) on the copper leaching efficiency that was determined...”
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31“...%) caused an increase in reaction rate for the same soaking time an reaction temperature. It was observed a...”
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32“... the influence of pH (6, 7,5 and 9), time calcination (3, 4 and 5 h) and heating rate (5, 7 and 10°C min-1...”
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33“..., different solvents, surfactant concentration, temperature and time of synthesis were also investigated...”
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34por Barbosa, Cleonilson Mafra., Souza, Carlson Pereira de., Gomes, Uilame Umbelino., Universidade Federal do Rio Grande do Norte.“... source. The Nb(1-x)Ta(x)C nanostructured was produced from a new methodology at lower time...”
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35por Jerônimo, Carlos Enrique de Medeiros., Souza, João Fernandes de., Souza, Carlson Pereira de., Universidade Federal do Rio Grande do Norte.“... the serum pH and the amount of chitosan, keeping constam the counted time of 2 hours. In the reaction plan...”
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