Avaliação de cultivares de feijão-de-corda (Vigna unguiculata L. Walp) no estado de Sergipe.

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Comportamento de cultivares de milho no Estado de Sergipe: I ensaios estaduais de rendimento, 1982, 1984 e 1985.

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Avaliação de cultivares de sorgo granífero no Estado de Sergipe.

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Avaliação de cultivares de feijão-de-corda (Vigna unguiculata L. Walp) na região semi-árida de Sergipe.

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Estudo sobre o comportamento de cultivares de milho na região semi-árida do Estado de Sergipe.

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A Modified Direct Power Control Strategy Allowing the Connection of Three-Phase Inverters to the Grid Through LCL Filters

Abstract — This paper proposes a novel approach to adapt the conventional Direct Power Control (DPC) for high power applications with a third order LCL filter. The strong resonance present in the LCL filter is damped with additional effort in the system control. The application of DPC to the control of threephase Voltage Source Inverter (VSI) connected to the grid through a LCL filter has not yet been considered. An active damping strategy for the LCL filter together with harmonic rejection control is proposed over the conventional DPC. The steady state as well as the dynamic performance of the proposed system is presented by means of the simulation results and compared with the conventional approach

Prevalence and social-cognitive determinants of the use of performance enhancing substances by Portuguese gymgoers

Background: The use of performance-enhancing substances (PES) occurs among gym goers, which is seen as a public health concern. The aim of this study is to investigate the extent of PES use and the social-cognitive determinants whichinfluence the intention to use these substances among gym goers, according to the Theory of Planned Behaviour.Methods: A convenience sample of Portuguese gym goers (n = 453; 61,3% female; 38,7% male) completed an anonymous webbased survey about beliefs, attitudes, social influences and intentions towards use of PES as well as self-reported PESuse. A two-step approach to maximum likelihood, structural equation modelling, multigroup analysis and t-test with the Welch correction for heteroskedastic variances were performed using IBM SPSS/AMOS 24.0.Results: 11.01% of the participants reported PES use. At the structural level, results support attitudes (b = 0.21; p < 0.001), beliefs (b = 0.35, p< 0.001) and subjective norms in predicting intentions to PES use in gym goers with subjective norms (b = 0.50; p <0.001) being its strongest predictor. Moreover, results showed a significant association self-reported PES use and intentions to use (b = 0.66, pp < 0.001). The predictive model was invariant across gender; however, compared to males, females believed less in the performance enhancing effects of PES, were less prone to the influence of significant others and had weaker intentions to use these substances.Conclusion: Preventive interventions should focus on influencing subjective norms, alongside to beliefs and attitudes towards PES use as these variables influence the intention to use PES in this particular population

Structure of the southern Keweenawan rift from COCORP surveys across the Midcontinent Geophysical Anomaly in northeastern Kansas

This is the published version. Copyright 1984 American Geophysical Union. All Rights Reserved.COCORP profiling across the midcontinent geophysical anomaly in northeastern Kansas reveals structural basins and other features of the Precambrian Keweenawan rift buried beneath the Phanerozoic cover. The 40-km-wide main basin is asymmetric, with a maximum depth of 3 km on the east and 8 km on the west. The basin fill is characterized by a lower layered sequence of strong continuous west dipping reflectors which may be correlated with Middle Keweenawan interbedded volcanic and clastic rocks exposed along the MGA in the Lake Superior region. Overlying this layered sequence is a zone of weak, discontinuous reflectors correlated here with the predominantly clastic rocks characteristic of the Upper Keweenawan sequence near Lake Superior. A second tilted but shallower basin lies to the east of the main basin and appears to be filled predominantly with clastic sedimentary rocks. The character of the seismic data, the seismic velocity distribution, and gravity modeling suggest that mafic intrusions lie beneath the main rift basin. Normal faults associated with the rift dip at moderate angles to the east. Palinspastic reconstruction indicates that the rift basin formed by the rotation of fault bounded blocks during crustal extension. Although reactivation of preexisting structures appears to have occurred in many other rifts profiled by COCORP, the evidence is inconclusive on this point in the case of the Kansas data. The structures mapped by COCORP surveys in Kansas and elsewhere suggest that asymmetric sequences of layered reflectors are characteristic, and perhaps diagnostic, of rift basin deposits in general