Search Results - "Freire, F. J."

Phosphorus Agronomic Efficiency Index Under Different Fertilizer Application Methods in Two Cycles of Sugarcane Cultivated in Tropical Soils by Batista da Costa, Daniela, Freire, F. J., de Andrade, J. J., da Silva, S. R. V., dos Santos, R. L., Santos, H. C., de Oliveira, A. C., Simões Neto, D. E.

“…Our objective was to evaluate the agronomic and industrial sugarcane parameters under different P application methods in two cycles of sugarcane cultivated in…”
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Stress and strain analysis of pipelines with localized metal loss by DINIZ, J. L. C, VIEIRA, R. D, CASTRO, J. T, BENJAMIN, A. C, FREIRE, J. L. F

“…This paper presents the analysis of stress and strain data acquired with the finite element method and with tests that used post-yielding strain gages bonded…”
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Níveis críticos de fósforo para Brachiaria brizantha e suas relações com características físicas e químicas em solos de Pernambuco by Bonfim, E. M. S.(USP Escola Superior de Agricultura Luiz de Queiroz), Freire, F. J.(Universidade Federal Rural de Pernambuco Departamento de Agronomia), Santos, M. V. F.(Universidade Federal Rural de Pernambuco Departamento de Zootecnia), Silva, T. J. A.(USP Escola Superior de Agricultura Luiz de Queiroz), Freire, M. B. G. S.(Universidade Federal Rural de Pernambuco Departamento de Agronomia)

“…A influência de características físicas e químicas relacionadas com o fator capacidade de P (FCP) na determinação dos níveis críticos de P pelos extratores…”
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Thermography Applied to the Study of Fatigue Crack Propagation in Polycarbonate by Vieira, R. B., Gonzáles, G. L. G, Freire, J. L. F.

“…Thermography was used to study the propagation of fatigue cracks during cyclic loading of pre-cracked SAE keyhole polycarbonate specimens. A micro-bolometer…”
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Impact of deforestation on the soil physical and chemical attributes, and humic fraction of organic matter in dry environments in Brazil by Souza Rezende, J, Freire, FJ, Araújo Filho, JCD, Dos Santos Freire, MBG, Gomes de Almeida, B, Costa Santos, LR

“…Deforestation of Caatinga and inadequate land use of these dry environments have impacted soil quality in Northeastern Brazil. The objectives of this study…”
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PART 3: BURST TESTS OF PIPELINE WITH EXTENSIVE LONGITUDINAL METAL LOSS by Freire, J.L.F., Vieira, R.D., Castro, J.T.P., Benjamin, A.C.

“…The first paper of the present series appearing in Experimental Techniques highlighted the increased need and opportunity for applying experimental techniques…”
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Sunflower cake in brown-egg laying pullet diets: Effects on the growing phase and on the beginning of production cycle by Souza, D.H., Freitas, E.R., Alencar, A.V.O., Costa, M.K.O., Santos, A.S., Freire, J.F., Rocha, A.K.S., Coelho, R.D., Nepomuceno, R.C.

“…•The effect of sunflower cake in the growth phase of laying pullets was evaluated.•Among performance variables feed intake and feed conversion were…”
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PART 7: EFFECTIVENESS OF COMPOSITE REPAIRS APPLIED TO DAMAGED PIPELINE by Freire, J.L.F., Vieira, R.D., Diniz, J.L.C., Meniconi, L.C.

“…The present article deals with laboratory tests carried out to (a) fully understand and report how the reinforcement layers of composite material help steel…”
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Measurement of residual stresses in UOE-saw line pipes by Rodrigues, L. D., Freire, J. L. F., Vieira, R. D.

“…Conclusions This article presents the residual stress distributions along cross-sections of six segments of UOE-SAW line pipes classified as API 5L X46 and API…”
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PART 4: RUPTURE TESTS OF PIPELINE SEGMENTS CONTAINING LONG REAL CORROSION DEFECTS by Souza, R.D., Benjamin, A.C., Vieira, R.D., Freire, J.L.F., Castro, J.T.P.

“…The third article3 in the series discussed data acquired for some of the pipe segments that were tested under internal pressure up to rupture and were…”
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PART 2: EXPERIMENTAL STRAIN ANALYSIS OF METAL LOSS DEFECTS IN PIPELINE by Freire, J.L.F., Vieira, R.D., Benjamin, A.C.

“…The present article discusses data acquired with high-elongation strain gages that were positioned inside or near the blunt depressions of external or internal…”
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PART 8: USE OF SMALL-SCALE PIPELINE SPECIMENS TO TEST A STEEL-ADHESIVE REPAIR SYSTEM by Perez Rosas, M.A., Vieira, R.D., Freire, J.L.F.

“…EXPERIMENTAL METHODS Materials' Properties The test specimens were made from two batches of low carbon steel electric resistance welded pipe (named herein pipe…”
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Failure of superduplex stainless steel flange due to inadequate microstructure and fabrication process by Tavares, S.S.M., Pardal, J.M., Almeida, B.B., Mendes, M.T., Freire, J.L.F., Vidal, A.C.

“…Flanges made of alloy steels used in the oil and gas platforms must be produced by hot forming (usually forging) in order to obtain a wrought product with…”
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Polyamines, peroxidase and proteins involved in the senescence process by VIEIRA, M.R. da S., FREIRE, F.J., MEDEIROS, D. C, MOURA, F. B., AMORIM, T, SIMÕES, A. N

“…Senescence is the natural aging process at the cellular level or range of phenomena associated with this process. The objective of this review was to show the…”
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EXPERIMENTAL AND THEORETICAL LOAD DATA FOR DESIGN AND INTEGRITY EVALUATIONS by Freire, J. L. F.

“…The objective of this paper is to discuss some aspects of the uncertainties related to the determination of structural loading and how these can be estimated…”
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Measurement and simulation of strain fields around crack tips under mixed-mode fatigue loading by Hos, Y, Vormwald, M, Freire, JLF

“…For various configurations examined in a series of fatigue experiments on thin-walled tubes under tension and torsion, the experimental results – crack path,…”
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PART 6: ANALYSIS OF PIPELINE CONTAINING INTERACTING CORROSION DEFECTS by Benjamin, A.C., Freire, J.L.F, Vieira, R.D

“…The failure pressures measured in the laboratory tests of the tubular specimens were compared with those predicted by four assessment methods, namely, the…”
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Use of FBG strain gages on a pipeline specimen repaired with a CFRE composite by Freire, J. L. F., Perrut, V. A., Braga, A. M. B., Vieira, R. D., Ribeiro, A. S., Rosas, M. A. P.

“…Laboratory tests were conducted to understand and describe how the reinforcement layers of a carbon fiber epoxy composite material can enable a steel line pipe…”
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Níveis críticos de fósforo para Brachiaria brizantha e suas relações com características físicas e químicas em solos de Pernambuco by Bonfim, E. M. S., Freire, F. J., Santos, M. V. F., Silva, T. J. A., Freire, M. B. G. S.

“…A influência de características físicas e químicas relacionadas com o fator capacidade de P (FCP) na determinação dos níveis críticos de P pelos extratores…”
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Influence of the Catalyst Hydrogen Pretreatment on the Growth of Vertically Aligned Nitrogen-Doped Carbon Nanotubes by Ayala, P, Grüneis, A, Gemming, T, Büchner, B, Rümmeli, M. H, Grimm, D, Schumann, J, Kaltofen, R, Freire Jr, F. L, Filho, H. D. Fonseca, Pichler, T

“…Thin vertically aligned N-doped nanotubes with narrow layered nanotube diameter distribution and a defined doping level have been synthesized by chemical vapor…”
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