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1
artículo
Publicado 2025
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Arsenic contamination in water represents a serious public health issue worldwide, particularly in regions where natural or anthropogenic sources contribute to concentrations exceeding the maximum permissible limit of 0.01 mg/L established by the World Health Organization. This study evaluated the efficiency of a ceramic matrix made from red clay impregnated with ferric oxide (Fe₂O₃) for arsenic removal and water quality improvement. Water samples were collected from the Apacheta River and treated using a continuous-flow system with supports calcined at 800 °C. Arsenic concentrations were determined by spectrophotometry, and physicochemical parameters were analyzed before and after treatment. The results showed a reduction in arsenic concentration from 0.17 mg/L to 0.0053 mg/L, achieving a removal efficiency of 94.5 %, along with improvements in turbidity, electrical conductivity, a...
2
tesis de grado
Publicado 2025
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Polyethylene terephthalate (PET) is a widely used material in container manufacturing, particularly in bottle production. It is characterized by its low cost and widespread availability. However, its improper disposal has significantly exacerbated global plastic pollution. For instance, less than 50% of plastic bottles are recycled. Moreover, studies indicate that this issue has led to a significant accumulation of plastic waste in the oceans, which continues to grow annually and could be considered floating islands of debris. This study proposes replacing PET with polylactic acid (PLA), a biodegradable and biocompatible polymer with suitable properties for bottle production. PLA also has a shorter decomposition time compared to PET, contributing to the reduction of carbon footprint and greenhouse gas emissions. The research methodology included a diagnostic phase to define objectives, i...
3
artículo
Publicado 2022
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Interpersonal partner violence (IPV) is a worldwide public health problem. As a result of IPV, victims report high rates of physical and behavioral disabilities. Help-seeking behaviors are key to obtaining support on facing and managing IPV. Cultural practices such as machismo, marianismo, and familismo are related to keeping quiet and remaining in an abusive relationship in Latinas. Difficulties in sharing emotions, setting interpersonal boundaries, and communicating needs are also behavioral barriers to seeking help in this population. All these factors are associated with social disconnection which reduces victims’ chances of obtaining support in risky situations. Although several programs have been developed for helping victims of IPV, more evidence on adaptions to particular cultural and interpersonal struggles faced by Latinas’ victims is needed. Functional Analytic Psychothera...
4
artículo
Publicado 2021
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Depression is a disease, a public health problem and is related to self-esteem, which is the degree of self-worth, which in turn influences family functionality, as an important key to the development of its members; The research is cross-sectional and confirmatory, of the non-probabilistic sample of 115 higher education students from the city of Tacna to determine the adjustment indices of the explanatory model of the Family Functionality Scale based on Selfesteem and Depression; which X2 / gl = 27.352, CFI = 0.086, GFI = 0.729, were not acceptable, only SRMR = 0.3798 was adequate, but globally we can conclude that the fit indices of the explanatory model between family functionality related to self-esteem and it is related Depression is not appropriate in higher education students from Tacna.
5
artículo
Publicado 2021
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Evolutionary Psychology (EP) supports the hypothesis of massive modularity (HMM), in which the mind is understood as a set of modules that fulfill a specific function to solve recurrent adaptive problems in our evolutionary adaptation environment. This set would be part of human nature and the objective of EP is to identify and explain them in distal terms. Its detractors argue that the modular conception is inconsistent with current theoretical and empirical knowledge. From the works of Carruthers and Crawford, I will defend that several of the criticisms against HMM assume the modular conception of Fodor (F-modules), who emphasizes the intentional aspect. However, EP highlights biological functionality, conceives modules as adaptive traits that evolve due to their effects on differential reproduction; that is, Darwinian modules (D-modules) and understands them as specialized informatio...
6
artículo
Formulation of a functional probiotic, protein and energy drink beverage based on mago pulp and whey
Publicado 2025
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Childhood malnutrition and anemia constitute a serious public health problem, driving the search for foods enriched with protein and vitamin supplements to help reduce this issue. In this context, the present research was developed with the objective of creating a protein rich, probiotic, and energy boosting becerage based on mango (Mangifera indica), whey, and Lactobacillus casei. Five treatments were formulated with different proportions of mango pulp and whey (T1: 90/10, T2: 70/30, T3: 50/50, T4: 30/70, and T5: 10/90, with two replicates per treatment. The bererages were inoculated with L. casei, and the pH was monitored every 48 hours for 14 days. Aprogessive decrease in pH from 5.0 - 6.0 to aproximately 4.0 was observed, demonstrating the viability and stability of the probiotic during storage. Regarding protein composition, treatment T5 reached 4.92 g/100 ml of protein, while treat...
7
tesis de maestría
Publicado 2024
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La tesis presenta el diseño de un proyecto de innovación para la construcción de aprendizajes significativos en cursos de Física de carreras de Ciencias e Ingeniería. La necesidad de innovación surge por el panorama encontrado en una universidad privada de Lima, que se caracteriza por estar copada de clases magistrales, donde los alumnos únicamente memorizan procesos/conceptos sin necesariamente interiorizarlos. Se realizó una revisión de antecedentes de innovación de metodologías puestas en práctica en otras instituciones que buscaban modificar lo mencionado anteriormente, para así elegir al aprendizaje basado en problemas como la alternativa más idónea para lograr que los contenidos trasciendan en el tiempo. Tras analizar el contexto encontrado en los cursos, alumnos y docentes involucrados, se opta por designar la resolución de grandes problemáticas desglosadas por cl...
8
tesis de maestría
Publicado 2024
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La tesis presenta el diseño de un proyecto de innovación para la construcción de aprendizajes significativos en cursos de Física de carreras de Ciencias e Ingeniería. La necesidad de innovación surge por el panorama encontrado en una universidad privada de Lima, que se caracteriza por estar copada de clases magistrales, donde los alumnos únicamente memorizan procesos/conceptos sin necesariamente interiorizarlos. Se realizó una revisión de antecedentes de innovación de metodologías puestas en práctica en otras instituciones que buscaban modificar lo mencionado anteriormente, para así elegir al aprendizaje basado en problemas como la alternativa más idónea para lograr que los contenidos trasciendan en el tiempo. Tras analizar el contexto encontrado en los cursos, alumnos y docentes involucrados, se opta por designar la resolución de grandes problemáticas desglosadas por cl...
9
artículo
Publicado 2009
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In the recent years, systemic or normative functionalism has been set up and spread out in the Peruvian Criminal Law scholar doctrine and case law, in a clear, precise and coherent manner providing solutions to concrete problems which were previously left behind to be answered by the naturalist, ontologist and teleologist scholar doctrines. Thus, by having an advanced functionalism approach, we explain the previous evolution and stand assumed by the great master of Bonn, Günther Jakobs, who sets out the functional relation between society and the criminal-juridical dogmatics, which must be re-based with a view to safeguard the social and state system through the maintenance of the criminal law stability to guarantee the citizen’s minimum expectations regarding proper functioning of social life.
10
artículo
Publicado 2009
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In the recent years, systemic or normative functionalism has been set up and spread out in the Peruvian Criminal Law scholar doctrine and case law, in a clear, precise and coherent manner providing solutions to concrete problems which were previously left behind to be answered by the naturalist, ontologist and teleologist scholar doctrines. Thus, by having an advanced functionalism approach, we explain the previous evolution and stand assumed by the great master of Bonn, Günther Jakobs, who sets out the functional relation between society and the criminal-juridical dogmatics, which must be re-based with a view to safeguard the social and state system through the maintenance of the criminal law stability to guarantee the citizen’s minimum expectations regarding proper functioning of social life.
11
artículo
Publicado 2023
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Dyslexia is a disorder in the written use of language due to visuospatial weakness in the perception of linguistic forms. This paper postulates that a possible functional characterization of the deficits of a linguistic nature in patient speakers who present dyslexia when a full acquisition of reading and writing is not yet assumed will favor both the diagnosis and the intervention proposal. To demonstrate this hypothesis, we study the case of two twin patient-speakers who share the diagnosis of dyslexia, with the aim of checking the genetic-hereditary nature of the pathology and proposing specific therapies based on linguistic functional analysis. We thus present the theoretical framework that allows the historical knowledge and definitions offered on this disorder, the difficulties involved in its etiology, and the different models of intervention that currently exist to alleviate it. ...
12
artículo
Publicado 2022
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Peru is one of the countries most exposed to catastrophic events worldwide such as: floods, debris flow, tsunamis, earthquakes. Particularly, earthquakes are generated by the interaction of the Nazca and South American plates known as the subduction process and shallow faults. Likewise, another major problem that Peru is going through is informality in construction, which, added to a large earthquake, could bring with it great economic losses and human lives. Therefore, these problems have motivated the development of this research, which aims to evaluate the seismic risk of buildings in the district of Ayacucho - Peru. In this sense, the probabilistic seismic threat is evaluated using the R-CRISIS program, accompanied by geophysical studies such as MASW (Multichannel Analysis of Surface Waves) that allow the soil to be characterized based on shear wave velocities. Furthermore, the seism...
13
artículo
Publicado 2024
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The purpose of the present paper is to improve the global convergence results established so far concerning the Augmented Lagrangian Algorithm with exponential penalty function for solving nonlinear programming problems with equality and inequality constraints. We prove global convergence for KKT points under the PAKKT-regular constraint qualifications, which results as a consequence that accumulation points generated by the algorithm are PAKKT points. This convergence result is new for the augmented Lagrangian Method based on the exponential penalty function. An interesting consequence is that the estimates of the Lagrange multipliers computed by the method remain bounded in the presence of the quasi-normality condition. Finally we give optimality and feasibility results for the convex case.
14
artículo
Publicado 2024
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The most controversial institution incorporated into the Criminal Procedure Code of 2004 was the sentence of the acquitted, which is the power that the Superior Criminal Chamber has, when resolving the appeal that may have been filed against a previous acquittal sentence issued in favor of the accused (first instance), in being able to amend it in a conviction against this same procedural subject (second instance), sentencing decision that originally could only be questioned by means of the appeal of cassation. However, the national legislator, through Law No. 31592 of October 26th 2022, has decided to briefly reform this adjective norm, where the legal novelty is that this convicted person has the possibility of challenging his sentence via a new appeal, in which the Criminal Chamber of the Supreme Court is enabled to act as a judicial instance, this according to the exclusive rules of ...
15
artículo
Publicado 2024
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The most controversial institution incorporated into the Criminal Procedure Code of 2004 was the sentence of the acquitted, which is the power that the Superior Criminal Chamber has, when resolving the appeal that may have been filed against a previous acquittal sentence issued in favor of the accused (first instance), in being able to amend it in a conviction against this same procedural subject (second instance), sentencing decision that originally could only be questioned by means of the appeal of cassation. However, the national legislator, through Law No. 31592 of October 26th 2022, has decided to briefly reform this adjective norm, where the legal novelty is that this convicted person has the possibility of challenging his sentence via a new appeal, in which the Criminal Chamber of the Supreme Court is enabled to act as a judicial instance, this according to the exclusive rules of ...
16
artículo
Publicado 2023
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Early mathematical competencies have a great impact on academic performance and on the development of more complex mathematical skills, especially in early education. Several authors have highlighted the importance of working memory and inhibition in the development of these mathematical skills; however, there is no agreement regarding the explanatory capacity of these executive domains with respect to differentiated performance in mathematics. The aim of this research was to evaluate the predictive capacity of verbal and visuospatial working memory and of behavioral and cognitive inhibition in mathematical competencies of relational logic and numerical type in 106 Chilean children of early education between 4 and 6 years old, who were evaluated with four executive tasks and an early mathematical assessment test. For data analysis, correlations and multiple linear regressions were perfor...
17
artículo
Publicado 1947
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For some time he has worried us the problem of Tropical eosinophilia and Loeffler's Syndrome, for this reason we decided to address the issue in its clinical, hematological and some biochemical blood aspect. The first step was to acquire the optimal technique as regards hematology the objective was achieved thanks to the occupation we play in a clinical laboratory. Then the serial and systematic study of all patients who came to our hands in the period of one year was made. The base of the research study consisted of 9 patients with Tropical Eosinophilia in that span. We present the clinical interpretation, haematological and biochemical findings in blood, performed serially.
18
artículo
Publicado 2022
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In order to determine whether family functioning predicts the level of resilience in parents facing the impact of the COVID-19 pandemic, a predictive and cross-sectional study was conducted on a sample of 183 parents from the department of La Libertad, who were selected under a non-probabilistic purposive sampling. Two instruments were used to collect data: Cohesion and Family Adaptability Evaluation Scale (CESF) and the Brief Resilient Coping Scale (BRC). Based on a linear regression analysis, an adequate model fit is observed (F-test = 35.924, p < .001), where, family functioning (β = .407, p < .05) is a variable that significantly predicts resilience (adjusted R2 = .161). Also, the t-values of the beta regression coefficients of the predictor variable are highly significant (p < .01). In conclusion, the level of family functioning predicts the degree of resilient coping in p...
19
artículo
Las órdenes admisibles en números difusos son órdenes totales que refinan un orden parcial básico y bien conocido en números difusos. En este trabajo, definimos un orden admisible en números difusos triangulares (i.e. TFN) y estudiamos algunas propiedades fundamentales con su aritmética y su relación con este orden admisible. También se propone una nueva estructura generalizada de los espacios vectoriales ordenados y, en particular, se considera el caso de los TFN. Además, también introducimos los conceptos de funciones de premediación en TFN, con énfasis en las funciones de promedio ponderado ordenadas en TFN equipados con un orden admisible. Finalmente, se plantea el problema de la unión de vértices centrales con un ejemplo ilustrativo donde se utiliza el concepto anterior.
20
tesis de grado
Publicado 2025
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Los problemas urológicos presentan un problema para la salud de los pacientes pediátricos. En ciertos casos, es necesario procedimientos invasivos, que empiezan con una punción en el riñón. Ante el aumento de las patologías, es necesario que los médicos puedan entrenar la punción de manera segura, controlada y con el mayor realismo posible. Por esta razón, esta tesis plantea el diseño y desarrollo de un simulador impreso en 3D para la práctica médica de la función renal percutánea. Se segmentó la tomografía computarizada de un paciente para obtener el riñón, cálices renales y cuerpo del paciente, con control de calidad por un médico radiólogo. Luego, se creó un vacío para el transductor de ultrasonido y se modificó el cuerpo del paciente. Mediante diseño CAD, se diseñaron moldes para el vacío, riñón y cálices renales, junto a una base para posición prona. L...
