Search Results - "Oliveira, E. M. F. de"

Reconfigurable Frequency Discriminator Based on Fractal Delay Line by Silva, C. P. N., Pinheiro, G. J., de Oliveira, M. R. T., de Oliveira, E. M. F., Llamas-Garro, I., de Melo, M. T.

“…A new compact reconfigurable frequency measurement device, based on interferometry is presented in this letter. The device combines the advantages of…”
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Microstrip 3-Bit Fractal-based Phase Shifter by Pontes, L. P., Oliveira, E. M. F. de, Silva, C. P. N., Barboza, A. G., Melo, M. T. de, Llamas-Garro, Ignacio

“…Abstract This paper presents the implementation of a 3-bit microstrip fractal-based phase shifter operating in the 430 MHz to 470 MHz frequency range. The…”
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RFSS based on cross dipole or grid using PIN diode by de Oliveira, M. R. T., Filho, H. V. H. Silva, de Oliveira, E. M. F., Pinheiro, G. J., de Melo, M. T., Alencar, M. O., Neto, A. G., Llamas‐Garro, I.

“…This work presents an RFSS with two discrete states, corresponding to a pass‐band or stop‐band response depending on PIN diode biasing. The RFSS behaves as an…”
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Multiband FSS with Fractal Characteristic Based on Jerusalem Cross Geometry by Silva Filho, H. V. H., Silva, C. P. N., Oliveira, M. R. T. de, Oliveira, E. M. F. de, Melo, M. T. de, Sousa, T. R. de, Gomes Neto, A.

“…Abstract This paper proposes a new Frequency Selective Surface (FSS) with modifications on the Jerusalem Cross (JC) geometry to provide a multiband response…”
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Well-differentiated liposarcoma of the tongue by Nunes, F.D., Loducca, S.V.L., de Oliveira, E.M.F., de Araújo, V.C.

“…Intraoral liposarcomas are rare, with most reported cases being of the myxoid histological type. We present a well-differentiated liposarcoma of the tongue, in…”
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RFSS based on cross dipole or grid using PIN diode: de Oliveira et al by de Oliveira, M. R. T., Filho, H. V. H. Silva, de Oliveira, E. M. F., Pinheiro, G. J., de Melo, M. T., Alencar, M. O., Neto, A. G., Llamas-Garro, I.

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Compact fractal interferometers for a 4‐bit IFM system by Silva, C.P.N., Machado, G.G., de Oliveira, E.M.F., de Oliveira, M.R.T., de Oliveira, B.G.M., de Melo, M.T.

“…ABSTRACT Instantaneous frequency measurement (IFM) systems have been developed during the last decades, and new designs came across trying to keep the system…”
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Glass formation in the Ti―Cu system with and without Si additions by GARGARELLA, P, PAULY, S, DE OLIVEIRA, M. F, KÜHN, U, ECKERT, J

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Accuracy of a selection criterion for glass forming ability in the Ni–Nb–Zr system by Déo, L.P., de Oliveira, M.F.

“…•We applied a selection in the Ni–Nb–Zr system to find alloys with high GFA.•We used the thermal parameter γm to evaluate the GFA of alloys.•The correlation…”
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Crystalline phases found in rapidly quenched Ni–Nb–Zr alloys by DEO, L.P., KAUFMAN, M.J., WANG, B., NIKODEMSKI, S., DE OLIVEIRA, M.F.

“…Summary The properties of metallic alloys can be significantly improved by developing non‐equilibrium phases in the microstructures through rapid…”
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Applying a new criterion to predict glass forming alloys in the Zr–Ni–Cu ternary system by Déo, L.P., Mendes, M.A.B., Costa, A.M.S., Campos Neto, N.D., de Oliveira, M.F.

“…► Calculation to predict and select the glass forming ability (GFA) of metallic alloys in Zr–Ni–Cu system. ► Good correlation between theoretical and…”
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Development of yolk sac inversion in Galea spixii and Cavia porcellus (Rodentia, Caviidae) by de Oliveira, M.F, do Vale, A.M, Favaron, P.O, Vasconcelos, B.G, de Oliveira, G.B, Miglino, M.A, Mess, A

“…Abstract Caviomorph development includes an inverted yolk sac. Since principle processes are not understood, we investigated its differentiation in Galea and…”
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Crystallisation behaviours of Al-based metallic glasses: Compositional and topological aspects by Botta, W.J., Rios, C. Triveño, Sá Lisboa, R.D., de Andrade, A.R., de Oliveira, M.F., Bolfarini, C., Kiminami, C.S.

“…The different types of thermal crystallisation behaviours observed during continuous heating of Al-based metallic glasses have been successfully associated…”
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An Overview on the Development of Electrochemical Capacitors and Batteries – Part I by MARTINS, VITOR L., NEVES, HERBERT R., MONJE, IVONNE E., LEITE, MARINA M., OLIVEIRA, PAULO F.M. DE, ANTONIASSI, RODOLFO M., CHAUQUE, SUSANA, MORAIS, WILLIAM G., MELO, EDUARDO C., OBANA, THIAGO T., SOUZA, BRENO L., TORRESI, ROBERTO M.

“…Abstract The Nobel Prize in Chemistry 2019 recognized the importance of Li-ion batteries and the revolution they allowed to happen during the past three…”
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Crystallisation behaviour and glass-forming ability in Al–La–Ni system by Gargarella, P., Kiminami, C.S., de Oliveira, M.F., Bolfarini, C., Botta, W.J.

“…The crystallisation behaviour for alloys in the Al-rich corner in the Al–La–Ni system is reported in this paper. Alloys were selected based on the topological…”
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An unusual feature of yolk sac placentation in Necromys lasiurus (Rodentia, Cricetidae, Sigmodontinae) by Favaron, P.O, Carter, A.M, Mess, A.M, de Oliveira, M.F, Miglino, M.A

“…Abstract We studied the development of the inverted yolk sac in a New World rodent, Necromys lasiurus during early placentation. Ten implantation sites were…”
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Phytochemical Screening and Acute Toxicity of Aqueous Extract of Leaves of Conocarpus erectus Linnaeus in Swiss Albino Mice by Nascimento, Dayane K D, Souza, Ivone A DE, Oliveira, Antônio F M DE, Barbosa, Mariana O, Santana, Marllon A N, Pereira, Júnior, Daniel F, Lira, Eduardo C, Vieira, Jeymesson R C

“…Mangroves represent areas of high biological productivity and it is a region rich in bioactive substances used in medicine production. Conocarpus erectus…”
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Topological instability and electronegativity effects on the glass-forming ability of metallic alloys by Botta, W. J., Pereira, F. S., Bolfarini, C., Kiminami, C. S., de Oliveira, M. F.

“…The glass-forming ability (GFA) of metallic alloys is associated with a topological instability criterion combined with a new parameter based on the average…”
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Evaluation of glass forming ability in the Ni–Nb–Zr alloy system by the topological instability ( λ) criterion by Santos, F.S., Kiminami, C.S., Bolfarini, C., de Oliveira, M.F., Botta, W.J.

“…Ni-based bulk metallic glasses (BMGs) usually exhibit high thermal stability, excellent mechanical properties, and superior corrosion resistance. Glass forming…”
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Glass formation of alloys selected by lambda and electronegativity criteria in the Ti–Zr–Fe–Co system by de Oliveira, M.F., Pereira, F.S., Ramasco, B.T., Kiminami, C.S., Botta, W.J., Bolfarini, C.

“…This work evaluates the glass formation of selected alloys based on the Ti–Zr–Fe–Co system, assuming the synergy of two distinct criteria: minimum topological…”
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