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CLUE-S model based on GIS applied to management strategies of territory with oil wells—Case study:Santa Elena,Ecuador

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Geography and Sustainability 2022年第4期3卷 366-378页

作者： Gricelda Herrera-Franco paulo Escandón-Panchana F.J.Montalván Andrés Velastegui-Montoya Faculty of Engineering Sciences Santa Elena Peninsula State UniversityAvda.principal La Libertad240204La LibertadEcuador Geo-Recursos y Aplicaciones GIGA ESPOL Polytechnic UniversityP.O.Box 09-01-5863GuayaquilEcuador Geology area ESCETRey Juan Carlos Universityc/Tulipán s/n28933 MadridSpain Facultad de Ingeniería en Ciencias de la Tierra ESPOL Polytechnic UniversityP.O.Box 09-01-5863GuayaquilEcuador Centro de Investigación y Proyectos Aplicados a las Ciencias de la Tierra(CIPAT) ESPOL Polytechnic UniversityP.O.Box 09-01-5863GuayaquilEcuador Geoscience Institute Federal University of Pará66075-110 BelémBrazil

Some cities worldwide have oil wells directly affecting the management of the *** example,La Libertad and Salinas districts contain 467 oil wells in urban areas representing a major land-use planning *** objective is to apply the CLUE-S land use model in coastal cities with oil wells(Salinas-La Libertad),using geographic information systems considering environmental and security characteristics for territorial *** stages of the study are:i)classification and categorisation of oil wells;ii)application of the GIS-CLUE-S method and visualisation of land use dynamics;iii)use the SWOT-TOWS matrix,for the analysis of the situation and the main factors affecting the *** results indicate high vulnerability in many urban sectors and those close to the ***,the CLUE-S analysis shows that the population growth in the urban sector is close to oil well areas,making it a complex pole of human-industry interaction that impacts the management of the *** study synthesises three technical aspects:some oil wells do not comply with municipal ordinance regulations;identification of vulnerable zones due to environmental and security factors,which recommends a territorial reordering policy;as well as an education plan for the application of territorial ordering policies,with awareness and sustainability projections.

关键词： Land use Vulnerability Sustainability GIS Dinamica EGO

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Structural Health Monitoring of Different Geometry Structures With Optical Fiber Sensors

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Photonic Sensors 2012年第4期2卷 357-365页

作者： paulo ANTUNES Hugo RODRIGUES Rui TRAVANCA Licinio FERREIRA Humberto VARUM paulo ANDRE Instituto de Telecomunicacoes Campus de Santiago 3810-193 Aveiro Portugal Departamento de Fisica Universidade de Aveiro Campus de Santiago 3810-193 Aveiro Portugal Departamento de Engenharia Civil Universidade de Aveiro Campus de Santiago 3810-193 Aveiro Portugal

在这份报纸，我们描述几结构监视的结构的健康，与不同几何学，材料和行为，用光纤维传感器。那些研究试图处于监视的结构的健康表明如此的技术的可行性，与对光纤维技术固有的所有优点。

关键词：结构健康监测光纤传感器几何结构光纤技术几何形状

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Magnetic Tunnel Junction Based on MgO Barrier Prepared by Natural Oxidation and Direct Sputtering Deposition

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Nano-Micro Letters 2012年第1期4卷 25-29页

作者： Xiaohong Chen paulo.P.Freitas Engineering Research Center for Nanophotonics and Advanced Instrument Ministry of Education Department of Physics East China Normal University INESC-MN

Magnetic tunnel junctions(MTJs) based on MgO barrier have been fabricated by sputtering single crystal MgO target and metal Mg target, respectively, using magnetic sputtering system Nordiko 2000. MgO barriers have been formed by a multi-step deposition and natural oxidization of Mg layer. Mg layer thickness,oxygen flow rate and oxidization time were adjusted and the tunnel magnetoresistance(TMR) ratio of optimal MTJs is over 60% at annealing temperature 385. The(001) MgO crystal structure was obtained when the separation distance between MgO target and substrate is less than 6 cm. The TMR ratio of most MgO based MTJs are over 100% at the separation distance of 5 cm and annealing temperature 340. The TMR ratios of MTJs are almost zero when the separation distance ranges from 6 to 10 cm, due to the amorphous nature of the MgO film.

关键词： Magnetic tunnel junctions Mg O Crystal structure Magnetic sputtering system

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Proximal Methods with Bregman Distances to Solve VIP on Hadamard Manifolds with Null Sectional Curvature

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Journal of the Operations Research Society of China 2021年第3期9卷 499-523页

作者： Erik Alex Papa Quiroz paulo Roberto Oliveira Universidad Nacional Mayor de San Marcos Universidad Privada del NorteLimaPeru PESC-COPPE Federal University of Rio de JaneiroRio de Janeiro CEP 21941-972Brazil

We present an extension of the proximal point method with Bregman distances to solve variational inequality problems(VIP)on Hadamard manifolds with null sectional *** some natural assumptions,as for example,the existence of solutions of the VIP and the monotonicity of the multivalued vector field,we prove that the sequence of the iterates given by the method converges to a solution of the ***,this convergence is linear or superlinear with respect to the Bregman distance.

关键词： Proximal point methods Hadamard manifolds Bregman distances Variational inequality problems Monotone vector field

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Chaos Suppression in a Sine Square Map through Nonlinear Coupling

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Chinese Physics Letters 2011年第11期28卷 45-48页

作者： Eduardo L.Brugnago paulo C.Rech Departamento de Física Universidade do Estado de Santa Catarina89223-100 JoinvilleBrazil

We study a pair of nonlinearly coupled identical chaotic sine square *** specifically,we investigate the chaos suppression associated with the variation of two ***-dimensional parameter-space regions where the chaotic dynamics of the individual chaotic sine square map is driven towards regular dynamics are ***,the dynamics of the coupled system is numerically characterized as the parameters are changed.

关键词： chaotic dynamics Chaos

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Changes in the Dynamics of a Rössler Oscillator by an External Forcing

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Chinese Physics Letters 2013年第3期30卷 22-25页

作者： Amanda C.Mathias paulo C.Rech Departamento de Física Universidade do Estado de Santa Catarina89219-710 JoinvilleBrazil

We report some results indicating changes in the observed dynamics of the Rössler model under the influence of external sinusoidal *** varying the control parameters of the external sinusoidal forcing,namely the amplitude and the angular frequency,we show,through numerical simulations which include parameter planes and Lyapunov exponents,that the external forcing can produce both chaos-order and order-chaos *** also show that the sinusoidal forcing may generate hyperchaos.

关键词： chaos sinusoidal transitions

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Spatial-temporal distribution of fatal yellowing in different oil palm genetic materials in eastern amazon

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Information Processing in Agriculture 2022年第3期9卷 365-377页

作者： Bruno Borella Anhe Artur Vinicius Ferreira dos Santos Thiago Alan Ferreira da Silva Lana Leticia Barbosa de Carvalho paulo Roberto Silva Farias Universidade Federal Rural da Amazonia Geoestatistics Department66.077-830 BelemBrazil Universidade Federal Rural da Amazonia Entomology Department66.077-830 BelemBrazil

Oil palm (Elaeis guineensis Jacq.) is one of the agricultural crops with the greatest potentialfor vegetable oil production in Brazil. However, a disease of unknown etiology popularlyknown as Fatal Yellowin (FY) has caused damage to Brazilian farmers particularly in theeastern region of the Amazon. So, the objective of this study was to evaluate the spatialdependence of FY on three oil palm genotypes, grown for many years in an organic produc-tion system in the Amazon region. The study area had 4104 ha, divided into 139 plots. Ineach plot, the monthly incidence of disease was monitored forming a database. The num-ber of diseased plants per year, number of accumulated diseased plants, number of dis-eased plants per hectare, growth rate of diseased plants and incidence of accumulateddisease were evaluated. The results indicated spatial distribution of the variables adjustedto the gaussian, spherical and exponential models, with predominance of the first *** increases the purpose that FY is caused by biotic factors. The highest range achievedin the study was 2929 m indicating the susceptibility of the tested genotypes. Some plotsclose to the river had the highest incidence of the disease on the study, probably associatedwith higher soil moisture.

关键词： Elaeis guineensis Geostatiscal analysis Kriging Palm oil Spatial dependence

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3D Progressive Damage Based Macro-Mechanical FE Simulation of Machining Unidirectional FRP Composite

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Chinese Journal of Mechanical Engineering 2018年第3期31卷 128-143页

作者： Yan-Li He Joao-paulo Davim Hong-Qian Xue Key Laboratory of Contemporary Design and Integrated Manufacturing Technology of Ministry of Education School of Mechanical EngineeringNorthwestern Polytechnical University Department of Mechanical Engineering University of AveiroCampus Santiago

Finite element(FE) simulation is a powerful tool for investigating the mechanism of machining fiber?reinforced polymer composite(FRP). However in existing FE machining simulation works,the two?dimensional(2 D) progressive damage models only describe material behavior in plane stress,while the three?dimensional(3 D) damage models always assume an instantaneous sti ness reduction pattern. So the chip formation mechanism of FRP under machin?ing is not fully analyzed in general stress state. A 3 D macro?mechanical based FE simulation model was developed for the machining of unidirectional glass fiber reinforced plastic. An energy based 3 D progressive damage model was proposed for damage evolution and continuous sti ness degradation. The damage model was implemented for the Hashin?type criterion and Maximum stress criterion. The influences of the failure criterion and fracture energy dissipa?tion on the simulation results were studied. The simulated chip shapes,cutting forces and sub?surface damages were verified by those obtained in the reference experiment. The simulation results also show consistency with previous 2 D FE models in the reference. The proposed research provides a model for simulating FRP material behavior and the machining process in 3 D stress state.

关键词： FRP Macro mechanical Machining Finite element Progressive damage

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TLBO with variable weights applied to shop scheduling problems

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CAAI Transactions on Intelligence Technology 2019年第3期4卷 148-158页

作者： Leonardo Ramos Rodrigues Joao paulo Pordeus Gomes Electronics Division Institute of Aeronautics and SpacePraca Marechal Eduardo Gomes50Sao Josedos Campos 12228-904Brazil Computer Science Department Federal University of CearaRua Campus do PiciSnFortaleza 60440-554Brazil

The teaching–learning-based optimisation (TLBO) algorithm is a population-based metaheuristic inspired on the teaching–learning process observed in a classroom. It has been successfully used in a wide range of applications. In this study, the authors present a variant version of TLBO. In the proposed version, different weights are assigned to students during the student phase, with higher weights being assigned to students with better solutions. Three different approaches to assign weights are investigated. Numerical experiments with benchmark instances of the flow-shop and the job-shop scheduling problems are carried out to investigate the performance of the proposed approaches. They compare the proposed approaches with the original TLBO algorithm and with two variants of TLBOs proposed in the literature in terms of solution quality, convergence speed and simulation time. The results obtained by the application of a Friedman statistical test showed that the proposed approaches outperformed the original version of TLBO in terms of convergence, with no significant losses in the average makespan. The additional simulation time required by the proposed approaches is small. The best performance was achieved with the approach of assigning a fixed weight to half the students with the best solutions and assigning zero to other students.

关键词： TLBO variable weights shop scheduling problems

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Nutrient content affecting Spodoptera frugiperda and Dalbulus maidis occurrence in corn

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Insect Science 2007年第2期14卷 117-123页

作者： CRISTINA SCHETINO BASTOS JOAO CARLOS CARDOSO GALVAO MARCELO COUTINHO PICANCO paulo ROBERTO GOMES PEREIRA paulo ROBERTO CECON EMBRAPA/Algodao Centenário Campina Grande PB Brazil Departamento de Fitotecnia Universidade Federal de Vicosa (UFV) Vicosa MG Brazil. Departamento de Biologia Animal Universidade Federal de Vicosa (UFV) Vicosa MG Brazil. Departamento de Informática Campus Universitário Universidade Federal de Vicosa (UFV) Vicosa MG Brazil.

This work aims to study the effect of the nutrient contents in the leaves of corn on the incidence of Spodopterafrugiperda （Smith）（Lepidoptera： Noctuidae） and Dalbulus maidis （Delong ＆ Wolcott）（Homoptera： Cicadellidae）. The treatments were represented by unfertilized corn plants and corn plants fertilized with 250 kg of the formulation 4-14-8 （N- P-K）＋ 100 kg of ammonium sulfate （AS）/ha and 500 kg of the formulation 4-14-8 （N-P-K）＋200 kg of AS/ha, arranged in randomized blocks with four replicates. Attacks by S. frugiperda and D. maidis were higher as the nitrogen, sulfur, calcium and copper content in the leaves of corn increased. The effects of calcium and copper found in this study were not consistent with that of lower susceptibility associated with higher levels of these nutrients mentioned in the literature. We believe that there was a cumulative effect of the nutrients altogether, building up a nutritiously better vegetable which in turn had less reserve for defense, or that the content of both nutrients in the leaves were not high enough to induce such effects.

关键词： calcium copper corn cicada fall armyworm fertilization nitrogen sulfur

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