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Statistical quality and process control in an organization of the food sector located in the Alto Paranaiba mesoregion

Abstract: The present study deals with a statistical analysis of the production process in an organization in the food sector, specifically, in the branch of roots. In addition, this study is characterized by the use of a hybrid analysis with the fusion of qualitative

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Instructional toolbox for studying transient behaviour in simple branch hydraulic systems

Abstract: The instructional process at most engineering courses often diverges from real situations, as the learning process moves from the simplest to the most complex problems. In undergraduate mechanical engineering courses, calculation of the operating parameters i

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Monitoring overdispersed process in clinical laboratories using control charts

Abstract: Overdispersion is a phenomenon that generally occurs in the analysis of large sample sizes. In discrete data analysis, it refers to the presence of a variation higher than that implied by a reference Binomial or Poisson distributions. The proportion of noncon

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Automatic determination of the Atterberg limits with machine learning

Abstract: In this study, we determine the liquid limit (W1), plasticity index (PI), and plastic limit (Wp) of several natural fine-grained soil samples with the help of machine-learning and statistical methods. This enables us to locate each soil type analysed in the C

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Experimental evaluation of sandstone stimulation fluids for acid sludge prevention during oil well matrix stimulation jobs

Abstract: Acid induced sludge can compromise matrix stimulation jobs performance in oil well interventions, it is associated to multiple sources including combinations of iron dissolved components, acid type and strength, certain crude oils and different type of additi

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Kinetic modeling of lactic acid production, co-substrate consumptions and growth in Lactiplantibacillus plantarum 60-1

Abstract: Lactiplantibacillus plantarum is a Gram-positive bacterium that belongs to the lactic acid bacteria (LAB) group commonly used in the food industry. To use this microorganism, high biomass concentration is necessary, and models need to be established for predi

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Growth and photosynthetic pigments of passion fruit (Passiflora edulis) seedlings under foliar fertilization with nitrogen and irrigated with saline water

Abstract: In the semiarid region of Brazil, salts found in water used in irrigation. The objective of was to analyze the influence of foliar fertilization with nitrogen as a mitigation of the salt stress of passion fruit seedlings. The design was randomized blocks, wit

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Macroscopic and population balances for the simulation of surface reactions
Carolina Cruz Daniel Barragán

Abstract: Modeling and computational simulation of the carbon monoxide oxidation process, taken as a key system to analyze the importance of the dynamic description of active sites into the process yield, are presented in this work. To this aim, the formalism of transp

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Anodization of Ti6Al4V alloy manufactured by 3D printing and evaluation of corrosion and wear properties

Abstract: Ti6Al4V alloy forms an oxide layer on the Surface and is metallic material used as a biomaterial. The investigation determined the level lof wear of corrosion of the alloy fabricated by additive manufacturing as in the titanium specimen made by forge subjecte

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Sources of conflicts in the execution of projects in companies of the oil sector in the Eastern Coast of the Lake of Zulia state

Abstract: The objective of the investigation was to describe the sources of conflicts in the execution of projects in companies of the oil sector in the Eastern Coast of the Lake of Zulia state. The type of research was descriptive, with a non-experimental field design

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Spray tips and adjuvant in the spectrum of spray droplets in pitaya (Hylocereus costaricensis) cultivation

Abstract: This study aimed to evaluate the spectrum of droplets produced by three spray tips (JSF 11002, SF 11001, and JD12) using two types of spray solutions (with and without adjuvant). The experiment was conducted in randomized blocks in a 3×2 factorial scheme, wit

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Temperature influence on a linear array of coupled Sal'nikov oscillators: the muscle fiber scenario
Daniel Barragán Pablo Ochoa-Botache

Abstract: Muscles are thermogenic organs for adult mammals and birds but can also be thermosensitive. In this respect, recent research has shown the excitability of cardiac muscle tissue when irradiated with infrared laser light. Likewise, intrinsic muscle function sho

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Bidirectional dry friction energy dissipater using layers

Abstract: Many studies have been carried out to determine the performance of the energy dissipators proposed by different authors, mainly analyzing the hysteretic loops of loading and unloading. Likewise, the authors have sought to have simple, easy to manufacture and

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Elaboration of a self-compacting concrete with drawn steel fiber

Abstract: Currently seeking to improve the characteristics of concrete, the use of drawn steel fibers in a self-compacting concrete can increase resistance and reduce cracks, with a high level of fluidity for installation. The objective of this research is to evaluate

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Occupational health in nurses’ staff of local hospitals: relationship between leadership role and post-pandemic psychosocial risks

Abstract: Psychosocial risk factors associated with stressful working conditions after COVID-19 outbreak, have been studied in 20 nurses of a Basic Hospital in a rural area of Ecuador. Previous studies showed that social relationships, autonomy, and psychological deman

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Evaluation of environmental competencies in Higher Education Institutions (HEI). Case study: Escuela Politécnica Nacional, Ecuador

Abstract: Environmental competencies are defined as a set of skills, knowledge, attitudes, and values that individuals put into play in different contexts and that are achieved through Environmental Education. These are divided into environmental knowledge, attitudes,

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Analysis of the impact of eco-design on the circular economy: a bibliometric analysis of publications in Spain

Abstract: “Circular economy” and “eco-design” are concepts that people not only understand but also demand. The scarcity of resources and their fluctuating cost forces us to transform linear production systems into circular ones, which implies the entire life cycle of

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Feasibility of photovoltaic system in midi-lisy and panoramo equipment for pipeline rehabilitation

Abstract: Changes in the availability and accessibility of alternative energy sources have been observed in recent years. This study analyzes the economic viability of the use of photovoltaic solar energy systems in equipment for the control and inspection of drinking

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Modelación empírica de la conductividad térmica para un grupo de aceros

Resumen: La relación entre la composición química y la temperatura de trabajo del acero no son lineales con la conductividad térmica por lo que se proponen modelos empíricos para la predicción de esta. Se realizaron mediciones a32 marcaciones de acero AISI laminados y

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Digital platforms and indicators in the occupational safety and health management system: a systematic review

Abstract: Digital platforms are tools that allow taking advantage of information technologies, facilitating the administration of data of the occupational safety and health management system (OSHMS) and achieve a better management of management indicators for decision

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Criterios de Evaluación
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Criterios Altamente Valorados / Criterios Deseables Criterios Cualitativos
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