Avaliação de produtividade de melancia de frutos pequenos no submédio do São Francisco, em função da densidade de plantio.

Suplemento. Edição dos Trabalhos do 49 Congresso Brasileiro de Olericultura, Águas de Lindóia, ago. 2009

The smart waste collection routing problem: alternative operational management approaches

Waste collection is nowadays an increasingly important business. However, it is often an inefficient op- eration due to the high uncertainty associated with the real waste bins’ fill-levels. To deal with such uncertainty the use of sensors to transmit real time information is seen as possible solution. But, in order to improve operations’ efficiency, the sensors’ usage must be combined with optimization procedures that inform on the optimal collection routes to operationalize, so as to guarantee a maximization of the waste collected while also minimizing transportation costs. The present work explores this challenge and studies three operational management approaches to define dynamic optimal routes, considering the access to real-time information on the bins’ fill-levels. A real case study is solved and important results were found where significant profit improvements are observed when compared to the real operation. This shows the potential of the proposed approaches to build an expert system, which can support the operations manager’s decisions.info:eu-repo/semantics/acceptedVersio

Qualidade de frutos de melancia sob diferentes densidades de plantio.

Suplemento. Edição dos Trabalhos do 49 Congresso Brasileiro de Olericultura, Águas de Lindóia, ago. 2009

Towards a fully self-consistent spectral function of the nucleon in nuclear matter

We present a calculation of nuclear matter which goes beyond the usual quasi-particle approximation in that it includes part of the off-shell dependence of the self-energy in the self-consistent solution of the single-particle spectrum. The spectral function is separated in contributions for energies above and below the chemical potential. For holes we approximate the spectral function for energies below the chemical potential by a $\delta$-function at the quasi-particle peak and retain the standard form for energies above the chemical potential. For particles a similar procedure is followed. The approximated spectral function is consistently used at all levels of the calculation. Results for a model calculation are presented, the main conclusion is that although several observables are affected by the inclusion of the continuum contributions the physical consistency of the model does not improve with the improved self-consistency of the solution method. This in contrast to expectations based on the crucial role of self-consistency in the proofs of conservation laws.Comment: 26 pages Revtex with 4 figures, submitted to Phys. Rev.

Dinâmica de decomposição de palhada de cana-de-açúcar.

Resumo: O objetivo desse trabalho foi estudar a dinâmica da decomposição de diferentes níveis de palhada de cana-de-açúcar mantidas sobre a superfície do solo, durante um ciclo de cultivo. O ensaio foi instalado na safra 2011-2012 em área de terceiro corte da variedade RB-845210, cultivada no município de Araras - SP. Os tratamentos utilizados foram os níveis de palha deixados sobre a superfície do solo após a colheita, sendo: 25% - 50% - 75% - 100% (2,8 - 5,7 - 8,5 -11,3 t ha-1 em base seca) dispostos em blocos ao acaso, com 4 repetições. Foi utilizado o método dos "litter bags", nas dimensões 0,75 m x 0,50 m, com malha 0,015 m. Para o acompanhamento da dinâmica, foram coletadas amostras aos 42, 106, 162 e 225 dias após a instalação, as quais foram limpas e secas em estufa à 65°C, até peso constante. O cálculo das taxas de decomposição (%) foi realizado por diferença de massa, extrapolado para a área. Não foi observada diferença significativa para a interação entre Níveis de Palhada e Períodos de Decomposição, apenas para os fatores analisados individualmente. Conclui-se que há uma relação linear entre quantidade de palhada e sua degradação em campo até 225 dias do ciclo da cultura, sendo maior a velocidade de decomposição nos primeiros dias do ciclo

Evaluation of self-perception of awake bruxism in dentistry students : clinical case series

Abstract in proceedings of the Fourth International Congress of CiiEM: Health, Well-Being and Ageing in the 21st Century, held at Egas Moniz’ University Campus in Monte de Caparica, Almada, from 3–5 June 2019.This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.info:eu-repo/semantics/publishedVersio

Chiral fermions and torsion in the early Universe

Torsion arising from fermionic matter in the Einstein-Cartan formulation of general relativity is considered in the context of Robertson-Walker geometries and the early Universe. An ambiguity in the way torsion arising from hot fermionic matter in chiral models should be implemented is highlighted and discussed. In one interpretation, chemical potentials in chiral models can contribute to the Friedmann equation and give a negative contribution to the energy density.Comment: 5 pages revtex4; error in v1 corrected