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A general model for rectangular footings part II: modeling for design
José Benito Rivera-Mendoza, Arnulfo Luévanos-Rojas, Sandra López-Chavarría, Manuel Medina-Elizondo, Marylú García-Galván.
Abstract: This paper presents a general model for the design to obtain the thickness and reinforcing steel areas of rectangular footings that support from 1 to “n” columns aligned on a longitudinal axis. The pressure diagram is considered linear. Some recently publishe
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Gustavo Alves de Melo, Maria Gabriela Mendonça Peixoto, Samuel Borges Barbosa, Maria Cristina Angélico de Mendonça.
Abstract: This paper aimed to optimize the cashier service macroprocess in a supermarket located in the Alto Paranaiba. Decision-making tools were applied, such as brainstorming, process mapping, Ishikawa diagram and PDCA cycle. The simulation type was based on the M/M
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Abstract: How employees react to an organization’s ethical/social initiatives has little support in terms of empirical evidence. We examine employee perceptions about organizational social commitment (OSC) and its association with employee well-being (WB). The sample c
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Mayra Alejandra Allín-Cañas, July Andrea Suárez-Gómez, Luis Jairo Toro-Restrepo, Manuela Andrea Rueda-Trujillo.
Abstract: Pontederia crassipes Pellegrini & Horn (water hyacinth) is an invasive, world-wide distributed aquatic plant, which has been evinced in the reservoir of the Ituango Hydroelectric Project - IHP (Colombia) since 2018. In this study, the ability of several Veget
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Abstract: This article consists of an explanatory contribution of BIM (Building Information Modeling) methodology applied during the project’s compatibility in the modeling stages of the various specialties that may be included in a specific project. Therefore, bibliog
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Abstract: This research aims to analyze the relationship between monthly energy consumption and age of users of Barrio San Agustin in Machachi Canton in the province of Pichincha in the EEQ by its Spanish acronym, Empresa Electrica de Quito, before and after the curfew
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Abstract: Most of the time, geotechnical engineering interventions require solutions that necessarily aim for better use of the available space. Many slope stabilization techniques were developed following that assumption, and one of the most applied procedures in Braz
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Crude oils mixtures: compatibility and kinetics of water-in-oil emulsions separation
Denise Gentili Nunes, Jarlene da Conceição Silva, Giovani Cavalcanti Nunes, Matheus Delduque Lopes da Silva, Elizabete Fernandes Lucas.
Abstract: Some oil fields produce from different reservoirs, which may be incompatible generating precipitates. These precipitates are often asphaltenes, which can be an emulsion stabilizing agent negatively affecting the oil treatment processes. In this work, the infl
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Cristiane Fernandes Lisboa, Adriano Bicioni Pacheco, Fernanda Lamede Ferreira de Jesus, Magnun Antônio Penariol da Silva, Itamar Rosa Teixeira, Arthur Carniato Sanches, Edison Masato Santana Miyagawa, Luã Lukas França Sousa, Janaina Maia de Freitas.
Abstract: This study aimed to evaluate the influence of cladode pruning on apical dominance in the production and post-harvest of pitaya fruits. The experiment was carried out at the Sítio das Pitaya do Pará, which is in the city of Tomé-Açu, State of Pará, Brazil. A r
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Danna Peñaloza, Danna Vásquez, Valentina Valdivieso, Yeison Jaramillo, Vladimir Plata, Paalo Moreno.
Abstract: Reusing reclaimed asphalt pavements (RAPs) provides economic, social, and environmental benefits. To improve the performance of these materials, rejuvenating agents such as waste cooking oil (WCO) have been implemented. The annual amounts of RAP and WCO avail
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Noel Mederos-Alvarez, Laksmi Penabad-Sanz, Pedro Antonio Rodríguez-Ramos, Arsenio Miguel Iznaga-Benítez.
Abstract: Companies operating transportation fleets can participate indistinctly in the roles of logistics operator and marketer in the supply chain. The objective of this study is to propose the vehicles degradation monitoring in a company which takes part with a comb
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Abstract: The formation of soluble species from a bornite flotation concentrate pre-treated with hydrochloric acid was studied. Copper recovery after a leaching in a H2SO4-NaCl solution was determined. The influence of acid concentration and ore particle size were eval
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Extraction yield of humic substances from organic materials
Irina Pedroso-Rodriguez, Lourdes Yamén González-Sáez, Jesús Luis-Orozco, Liz Pérez-Martínez, Carlo Vandecasteele, Jo Van Caneghem.
Abstract: At present there is a great advance in the use of organic substances as fertilizers; humic substances are one of them with various forms of extraction. This article evaluates the extraction yield of humic substances (humic acid and fulvic acid) from three raw
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Methodology to rehabilitate hydroelectric power plants
Marcos Aurélio de Araujo, Jorge Javier Gimenez Ledesma, Oswaldo Hideo.
Abstract: Repowering the Brazilian hydroelectric park is a way to expand the use of energy from hydro sources, even in a scenario where the options to build new projects are increasingly restricted. Several technical and economic aspects must be considered when evaluat
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Handling of used lubricating oil in Tabasco, Mexico
José Abisenas Alvarez-Rivera, Guillermo Castañón-Nájera, Juan Manuel Urrieta-Saltijeral, José Ramón Laínes-Canepa, José Roberto Hernández-Barajas, Liliana Pampillón-González, Carlos Mario Morales-Bautista.
Abstract: The improper handling of used lubricating oil (ULO) in Tabasco, Mexico, and worldwide is a serious problem posing a high risk of soil and water pollution. Therefore, this study evaluated the handling of ULO in 10 municipalities in the state of Tabasco. Collec
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Abstract: The molecular structure of vitamins makes them easily degradable under various conditions such as temperature, pressure, and pH. It is necessary to understand and determine the stability of vitamins during the processing of food products to ensure their prese
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Laura Janeth Quiroz-Mojica, Gustavo Antonio Peñuela-Mesa, Luis Carlos Diaz-Muegue, Carlos Martinez-Smit, Marlon José Bastidas-Barranco.
Abstract: A study was carried out to determine the exergy cost of biochar production based on oil palm kernel shell by slow pyrolysis in an experimental and a pilot furnace. Initially, mass, energy and exergy flows were evaluated by applying the Specific Exergy Costing
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Abstract: This article seeks to represent the step by step to obtain the economic valuation and the scheduling of a mining project, based on a hypothetical polymetallic deposit of Cu and Au, by applying the concepts of equivalent law to express the presence of the diff
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Elisa del Carmen Navarro-Romero, Juan Francisco Mendoza-Moreno, Natalia García-Corrales, Luis Villarreal-López.
Abstract: Through business process modeling, organizations in general have managed to optimize their processes, through a robust and automated process architecture. Similarly, through risk management, companies seek to ensure that the risks that can negatively affect t
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Project management, design of a set for application in housing construction
Bairon Mateus-Tuberquia, Susana María Valencia-Rodríguez, Miguel David Rojas-López.
Abstract: The construction sector projects contribute to the economic growth of the country, however, planning and follow-up become a critical problem presenting economic losses. Housing construction projects grow through public or private investment, solving the deman
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