Search Results - "Teixeira, M.A."

Generic bifurcations of low codimension of planar Filippov Systems by Guardia, M., Seara, T.M., Teixeira, M.A.

“…In this article some qualitative and geometric aspects of non-smooth dynamical systems theory are discussed. The main aim of this article is to develop a…”
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Periodic solutions of a class of non-autonomous second order differential equations with discontinuous right-hand side by Jacquemard, A., Teixeira, M.A.

“…The main goal of this paper is to discuss the existence of periodic solutions of the second order equation: y″+ηsgn(y)=αsin(βt)with(η,α,β)∈R3η>0. We analyze…”
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Reversibility and quasi-homogeneous normal forms of vector fields by Algaba, A., García, C., Teixeira, M.A.

“…This paper uses tools in quasi-homogeneous normal form theory to discuss certain aspects of reversible vector fields around an equilibrium point. Our main…”
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Isolation of a lectin and a galactoxyloglucan from Mucuna sloanei seeds by Teixeira-Sá, Daniele M.A., Reicher, Fany, Braga, Renata C., Beltramini, Leila Maria, de Azevedo Moreira, Renato

“…Mucuna sloanei Fawcett and Rendle is a member of the Leguminosae ( Fabaceae) found in northeast Brazil. In this paper, a lectin and a galactoxyloglucan from…”
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Time-Reversible Hamiltonian Vector Fields with Symplectic Symmetries by Buzzi, C.A., Teixeira, M.A.

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Effect of preparation and processing conditions on UV absorbing properties of hydroxyapatite-Fe2O3 sunscreen by C. Teixeira, M.A., Piccirillo, C., Tobaldi, D.M., Pullar, R.C., Labrincha, J.A., Ferreira, M.O., L. Castro, P.M., E. Pintado, M.M.

“…The development of innovative, safe and non-photocatalytic sunscreens is urgently needed, as it is essential to have sunscreen filters offering appropriate UV…”
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Differential diagnosis of active hypodermal and hematopoietic necrosis virus based on gene choice and reverse transcription coupled with PCR by Teixeira, M A, Cruz, J E F, Vieira, P R N, Branco, I R C, Costa, F H F, Rádis-Baptista, G

“…The Pacific whiteleg shrimp Litopenaeus vannamei (Penaeidae) is one of the most important cultivated species in world aquaculture. In Brazil, the northeastern…”
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Inorganic nitrogen in a tropical soil with frequent amendments of sewage sludge by Vieira, R.F, Maia, A.H.N, Teixeira, M.A

“…Accurate prediction of plant-available N release from sewage sludge is necessary to optimize crop yields and minimize NO^sub 3^^sup -^ leaching to groundwater…”
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An epidemiological description of human-hazardous incidents caused by nonhematophagous bats in Brazil, 2002–2003 by Brazuna, Júlia C.M., Teixeira, Maria A., Onselen, Valter Joost van

“…The interaction of bats with humans and pets increases the risk for rabies transmission. The purpose of the present study was to describe and analyze the…”
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Short communication: Prediction of intake in dairy cows under tropical conditions by Souza, M C, Oliveira, A S, Araújo, C V, Brito, A F, Teixeira, R M A, Moares, E H B K, Moura, D C

“…A meta-analysis was conducted to develop a model for predicting dry matter intake (DMI) in dairy cows under the tropical conditions of Brazil and to assess its…”
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Computed Tomography (CT) of the Lungs of the Dog Using a Helical CT Scanner, Intravenous Iodine Contrast Medium and Different CT Windows by Cardoso, L, Gil, F, Ramírez, G, Teixeira, M.A, Agut, A, Rivero, M.A, Arencibia, A, Vázquez, J.M

“…The aim of this study was to determine the accuracy of helical computed tomography (CT) for visualizing pulmonary parenchyma and associated formations in…”
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Computer analysis of periodic orbits of discontinuous vector fields by Jacquemard, A, Teixeira, M.A

“…Computer algebra provides powerful tools to perform a precise and qualitative analysis of the phase portraits of a class of discontinuous vector fields of R 4…”
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Effects of an individually ventilated cage system on the airway integrity of rats (Rattus norvegicus) in a laboratory in Brazil by Teixeira, M.A, Chaguri, L.C.A.G, Carissimi, A.S, Souza, N.L, Mori, C.M.C, Saldiva, P.H.N, Lemos, M, Macchione, M, Guimaraes, E.T, King, M

“…The ventilation method used in the management of laboratory rats is important in maintaining their health. Rats kept under general diluting ventilation (GDV)…”
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Association between maternal anxiety in pregnancy and increased uterine artery resistance index: cohort based study by Teixeira, Jeró;nima M A, Fisk, Nicholas M, Glover, Vivette

“…Abstract Objective: To investigate whether maternal anxiety in the third trimester is associated with an increased uterine artery resistance index. Design:…”
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Fetal hypothalamic-pituitary-adrenal stress responses to invasive procedures are independent of maternal responses by GITAU, Rachel, FISK, Nicholas M, TEIXEIRA, Jeronima M. A, CAMERON, Alan, GLOVER, Vivette

“…Paired fetal and maternal samples were obtained, at fetal blood sampling and intrauterine transfusion, to study hypothalamic-pituitary-adrenal stress…”
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Simultaneous acquisition of multiple images with higher dynamic range by Teixeira, Rene M. A., Aizawa, Kiyoharu

“…Computational photography has redefined the possibilities of conventional photography. New effects can be obtained by mixing modified hardware with software…”
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Repositioning the salient region of videos by using active illumination by Teixeira, Rene M. A., Aizawa, Kiyoharu

“…The use of networked light bulbs is proposed in order to modify the focus of attention, defined based on salience maps, of a video being displayed on a screen…”
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Characterisation of partially hydrolysed galactomannan from Caesalpinia pulcherrima seeds as a potential dietary fibre by Buriti, Flávia C.A., dos Santos, Karina M.O., Sombra, Venícios G., Maciel, Jeanny S., Teixeira Sá, Daniele M.A., Salles, Hévila O., Oliveira, Gilcenara, de Paula, Regina C.M., Feitosa, Judith P.A., Monteiro Moreira, Ana C.O., Moreira, Renato A., Egito, Antonio S.

“…A galactomannan extracted from the endosperm of Caesalpinia pulcherrima seeds was submitted to partial enzymatic hydrolysis to overcome the limitation of use…”
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A predictive scheduling algorithm for the uplink traffic in IEEE 802.16 networks by Teixeira, M.A., Guardieiro, P.R.

“…The IEEE 802.16 standard defines MAC and Physical layers for broadband wireless networks called WiMAX, however, it does not define the scheduling algorithm for…”
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Suplementação proteica de vacas leiteiras mantidas em pastagem de Tifton 85 durante o período de seca by Teixeira, R.M.A., Martins, J.M., Silva, N.G., Silva, E.A., Fernandes, L.O., Oliveira, A.S., Salvador, F.M., Faria, D.J.G.

“…RESUMO Concentrados com alta proteína bruta e minerais e com menor concentração de energia poderiam ser utilizados em menores quantidades no balanceamento de…”
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