514   Artículos

 
en línea
Jeffrey Tim Query, Evaristo Diz     Pág. 145 - 159
AbstractIn this study we examine the robustness of fit for a multivariate and an autoregressive integrated moving average model to a data sample time series type.  The sample is a recurrent actuarial data set for a 10-year horizon.  We utilize ... ver más
Revista: IRA-International Journal of Management & Social Sciences    Formato: Electrónico

 
en línea
      Pág. 1 - 33
Modeling and forecasting volatility have gained much interest among researchers as the use of volatility became widespread in financial data analysis. Several studies have been carried out to model stock market volatility in various countries. This paper... ver más
Revista: Journal of Knowledge Globalization    Formato: Electrónico

 
en línea
João Roberto Sartori Moreno, Celso Alves Corrêa, Elisangela Aparecida da Silva Lizzi, Émillyn Ferreira Trevisani Olivio, Paulo Sergio Olivio Filho, Ana Carla Santos da Silva, Tiago Felipe de Abreu Santos     Pág. e49807
The objective of this study was to analyze the flux-cored arc welding (FCAW) welding parameters and microhardness levels on surface quality of 410 NiMo martensitic stainless-steel coatings. The parameters of the FCAW process applied to the coating, inclu... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Mirce Ivón Morales-Velázquez,Graciela del Socorro Herrera,Javier Aparicio,Arezoo Rafieeinasab,René Lobato-Sánchez     Pág. 189 - 206
Accurate precipitation data is essential for any hydrometeorological study, particularly for calibration and simulation of hydrological models. In this paper, we evaluate the precipitation of two different reanalysis products (the ERA5 and GLDAS), and tw... ver más
Revista: Atmósfera    Formato: Electrónico

 
en línea
Anna Bakurova, Olesia Yuskiv, Dima Shyrokorad, Anton Riabenko, Elina Tereschenko     Pág. 14 - 22
The subject of the research is the methods of constructing and training neural networks as a nonlinear modeling apparatus for solving the problem of predicting the energy consumption of metallurgical enterprises. The purpose of this work is to develop a ... ver más

 
en línea
Clive E. Coetzee,Ewert P.J. Kleynhans    
AbstractOrientation: Some recent studies have been published that demonstrated the value of remote sensing night-time lights as descriptors and/or proxies for human activity.Research purpose: This article investigated the association between night-time l... ver más
Revista: Journal of Economic and Financial Sciences (JEF)    Formato: Electrónico

 
en línea
Marcele de Jesus Correa,Kellen Carla Lima,Jonathan Mota da Silva,Gilvandro César de Medeiros    
Climatological data and the information obtained from these have great relevance for different activities performed by man, given the results contribute to decision-making in areas such as water management, urban climate and others. Due to their importan... ver más
Revista: Revista Brasileira de Climatologia    Formato: Electrónico

 
en línea
Glauber Miranda de Carvalho,Hélio Marcos Fernandes Viana,Rubem Xerxes Trindade Rodrigues,João Paulo Freire Rocha,Gilson Rodrigues Junior     Pág. 99 - 116
O presente trabalho avaliou o comportamento do CBR, na energia intermediária de Proctor, quando são adicionadas porcentagens de 30%, 50% e 75% de brita 1, em massa, ao rejeito de manganês que foi coletado na região do município de Licínio de Almeida. O o... ver más
Revista: Revista Eletrônica de Gestão e Tecnologias Ambientais    Formato: Electrónico

 
en línea
Lourdes Milagros Mendoza Villavicencio,David Mendes,Felipe Ferreira Monteiro,Lara de Melo Barbosa Andrade,Cássia Monalisa dos Santos Silva    
This study was carried out in the Sibinacocha lake watershed in the Peruvian Andes. In this region the long-term meteorological data are scarce and there are few studies of flow forecasts. Based on this evidence, in this study we present the monthly flow... ver más
Revista: Revista Brasileira de Climatologia    Formato: Electrónico

 
en línea
Lev Raskin,Oksana Sira     Pág. 11 - 18
Typical problems of the theory of statistical hypothesis testing are considered. All these problems belong to the same object area and are formulated in a single system of axioms and assumptions using a common linguistic thesaurus. However, different app... ver más
Revista: Eastern-European Journal of Enterprise Technologies    Formato: Electrónico

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