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1
artículo
Publicado 2018
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The products derived from the weathering process of soils can be removed from this system by the process of water drainage or they can react in this system by forming a variety of crystall or amorphous products. The reaction products that are most commonly observed are the clay minerals, the oxides and hydroxides iron and aluminum. The characterization of these materials is of vital importance because they reflect at its best the long term effects of the chemical environment and draining mechanisms of soils. Moreover, they have a marked influence on many soil properties. This paper reports the results of the elemental and mineralogical characterization of a soil sample from the Motupe orchard and nursery farm that belongs to the Pedro Ruiz Gallo National University, Lambayeque, using X-ray Fluorescence (XRF), X-ray Diffraction (XRD) and Transmission Mössbauer Spectroscopy (EMT) techniqu...
2
artículo
Publicado 2018
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The products derived from the weathering process of soils can be removed from this system by the process of water drainage or they can react in this system by forming a variety of crystall or amorphous products. The reaction products that are most commonly observed are the clay minerals, the oxides and hydroxides iron and aluminum. The characterization of these materials is of vital importance because they reflect at its best the long term effects of the chemical environment and draining mechanisms of soils. Moreover, they have a marked influence on many soil properties. This paper reports the results of the elemental and mineralogical characterization of a soil sample from the Motupe orchard and nursery farm that belongs to the Pedro Ruiz Gallo National University, Lambayeque, using X-ray Fluorescence (XRF), X-ray Diffraction (XRD) and Transmission Mössbauer Spectroscopy (EMT) techniqu...
3
artículo
Publicado 2023
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Taxidermy is an encounter between science, technique and art in favor of education and scientific culture. The objective of this research work is to propose a complementary course of basic taxidermy for the students of the second year of the Primary Teachers' career of the Pedagogical School "Manuel Ascunce Domenech", located in the city of Santa Clara, province of Villa Clara, Cuba. In order to carry out the research, the methods of information gathering and processing of the information gathered in their dialectic interrelation were used, within the latter, observation and survey stand out. It was found that in this institution there are no natural objects, namely animals preserved in liquid or dissected, which facilitate a better understanding when using them as a means of teaching the contents related to the teaching-learning process of Biology, and the students and teachers have ins...
4
artículo
Publicado 2021
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Este estudio tuvo como propósito identificar los efectos del programa ART-EMO en los niveles de inteligencia emocional de jóvenes voluntarios que trabajan con niños en una entidad privada. La muestra fue compuesta por 10 participantes cuyas edades oscilaban los 21 y 30 años; el 10% eran hombres y el 90% mujeres. Se aplicó, en dos condiciones de tiempo, el Inventario de Inteligencia Emocional en adultos: EQ-i-M20 creado por Pérez-Fuentes et al. (2014) y validado en una población de estudiantes peruanos por Domínguez-Lara et al. (2017). Para fines de la presente investigación, en el 2017 se elaboró el programa ART-EMO mediante un diseño cuasi experimental con un solo grupo, considerándose a Guerrón (2015) como referente. El programa tuvo un impacto alto a nivel total de la inteligencia emocional (d=.82) y en sus dimensiones intrapersonal (d=1.04), interpersonal (d=.90) y adapt...
5
artículo
Publicado 2022
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Objective: Determine the relationship between maternal knowledge and practices on complementary feeding in a health center in Lambayeque, Peru 2021. Method: This research was non-experimental, quantitative, correlational, cross-sectional. The sample consisted of 151 mothers, obtained by StatCalc, from a population of 250. The sampling was simple random probabilistic, the technique used was the survey and the instrument was a questionnaire prepared by Barzola, resulting in 0.059 in the table of concordance, determining its validity, the Kuder Richardson statistical test was also applied with a result of 0.62. Subsequently, descriptive tables were built on the variables studied and the Pearson correlation and determination model was used through SPSS V24 software. The ethical criteria taken into account during the investigation were: respect for people, justice and beneficence. Main result...
6
artículo
Publicado 2021
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The restoration of endodontically treated teeth (RETT) is a subject in constant study, in order to obtain safe clinical protocols that can improve treatments longevity. In recent years, the search for complementary methodologies to bond-strength proves has been growing for evaluating RETTE, being important to know the most used complementary methods’ advantages and disadvantages to evaluate this. The aim of this study is to present a literature review on complementary methods to bond strength and the fracture strength tests. The articles search was done in databases: PUBMED, BBO (Brazilian Dental Library), LILACS (Health Literature of Latin America and the Caribbean), SciELO and Medline, using the keywords “endodontically treated teeth” and “prefabricated post” from 1990 to 2020. Out of 360 articles 295 were excluded because they did not present relevant information for this re...
7
artículo
Publicado 2019
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La investigación verificó si existe gestión de la información contable por medio de accruals discrecionales específicos en entidades de previsión complementaria, lo que podría ocurrir a partir de la decisión de registro contable de lasprovisiones contingentes con la intención de mejorar resultados divulgados en los estados financieros consolidados. Para ello, se compuso una muestra con las 30 mayores entidades de previsión complementaria que actúan en Brasil, en relación al activo total, en sus sectores de actuación, siendo 15 EFPC y 15 EAPC. Los datos fueron del período de 2010 a 2017 y la técnica utilizada fue regresión de datos en panel por medio del método MQO agrupado. Con el análisis de los resultados, se percibió que el Pasivo Operativo y el Resultado Operativo explican los cambios en las provisiones contingenciales, mostrando que hubo gestión por parte de los ...
8
artículo
Publicado 2022
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This study seeks to analyze whether the use of the seminar technique, an active technique, as a complementary tool to lecture and exercise resolution, influences the level of cognitive development of students. In methodological terms, a quasi-experiment was carried out with students of the 4th semester of Accounting Sciences of a Federal Institution of Higher Education. The results showed that the use of the seminar, regarding the levels "remember, apply and analyze", was able to influence the cognitive development of students.It is concluded that the use of the seminar technique, as a complementary instrument, can influence the level of cognitive development achieved by accounting students.
9
artículo
Publicado 2016
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Objective. To compare the microhardness in a composite resin of nanoparticles with complementary techniques of light curing r; based on the principle of wave length and intensity of light that need materials for their conversion. Material and methods. Experimental study. 90 blocks of a composite resin of nanoparticles whose dimensions were 10mm of diameter and 2mm of thick were manufactured, those blocks were separated into three groups according to the type of light exposure : technique of Low Light (Soft star), technique of flashing light (Blinking light),technique of intense light (strong light), then the samples were taken to an indenter of last generation Zwick / ROLL Indentec ZHV with an increase (eye) of 20X to see better the footprint where a load of 500 g on the surface (indentation) was applied in order to determine the microhardness.Results. The results showed according to the...
10
artículo
Publicado 2023
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Recommendation systems are information filtering tools that help present elements to users based on their tastes and preferences, for example, making suggestions for household items or specific products for a user. Currently, there are various types of recommendation systems. recommendation (SR) to address the increase in information on the Internet by companies and thus improve efficiency in their product sales processes through recommendations. Likewise, there are different types of recommendation systems that use specific techniques that meet the business objectives such as popularity systems that focus on the popularity of a product based on the criteria of likes, comments, the time a customer took to review the product, content that based on history of a client tries to predict what the user is looking for and suggest products in relation to the client’s possible tastes and collab...
11
artículo
Publicado 2023
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Recommendation systems are information filtering tools that help present elements to users based on their tastes and preferences, for example, making suggestions for household items or specific products for a user. Currently, there are various types of recommendation systems. recommendation (SR) to address the increase in information on the Internet by companies and thus improve efficiency in their product sales processes through recommendations. Likewise, there are different types of recommendation systems that use specific techniques that meet the business objectives such as popularity systems that focus on the popularity of a product based on the criteria of likes, comments, the time a customer took to review the product, content that based on history of a client tries to predict what the user is looking for and suggest products in relation to the client’s possible tastes and collab...
12
artículo
Publicado 2020
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Objective: Neuroaxial analgesia is the most effective technique to treat labor pain, however, there are still concerns regarding the undesirable effects. Objective: To evaluate the association between epidural analgesia maintained by programmed intermittent epidural boluses (PEIB) and maternal perinatal complications. Materials and methods: Observational, analytical study of Cohort type in pregnant women between 18 and 35 years, in labor with cervical dilation of 4 centimeters or more, grouped in two cohorts according to administration or not of epidural analgesia: In pregnant women of Group A, administered bolus epidural analgesia, with maintenance by BEIP with bupivacaine 0.0625% and fentanyl 25 ug in 10cc every 60 minutes; in pregnant women of group B, epidural analgesia was not administered. Results: The duration of the dilation and expulsion period was longer in the group...
13
artículo
Publicado 2020
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Objective: Neuroaxial analgesia is the most effective technique to treat labor pain, however, there are still concerns regarding the undesirable effects. Objective: To evaluate the association between epidural analgesia maintained by programmed intermittent epidural boluses (PEIB) and maternal perinatal complications. Materials and methods: Observational, analytical study of Cohort type in pregnant women between 18 and 35 years, in labor with cervical dilation of 4 centimeters or more, grouped in two cohorts according to administration or not of epidural analgesia: In pregnant women of Group A, administered bolus epidural analgesia, with maintenance by BEIP with bupivacaine 0.0625% and fentanyl 25 ug in 10cc every 60 minutes; in pregnant women of group B, epidural analgesia was not administered. Results: The duration of the dilation and expulsion period was longer in the group...
14
tesis de grado
Publicado 2014
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El presente estudio tiene como objetivo determinar los conocimientos de las madres de sus niños de 6 a 12 meses sobre Alimentación Complementaria en el Centro de Salud Los Libertadores - SMP .El estudio fue de nivel aplicativo, tipo cuantitativo, método descriptivo simple de corte transversal. La población estuvo conformada por 64 madres, obtenida por criterios de exclusión. El instrumento que se utilizó para la recolección de datos fue el cuestionario y como técnica la entrevista semi - estructurada. Este trabajo consta de los capítulos: Capítulo I. Planeamiento de problema en el cual se expone la identificación, formulación, obejtivos, justificación y importancia del problema. Capítulo II. Marco teórico que incluye antecedentes del estudio marco teórico y definiciones de términos básicos. Capítulo III. Variables e hipótesis que presentan variables operacionalizació...
15
tesis doctoral
Publicado 2015
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En la presente investigación, se aplicó un plan estratégico de marketing para incrementar las ventas de los productos alimenticios UPAO. El tipo de investigación fue descriptivo – aplicativo y el diseño de investigación fue no experimental – transversal; la metodología aplicada, fue la técnica de encuestas y el instrumento para la recopilación de datos, fue la entrevista, observación y cuestionario. La población universitaria fue de 19,836 personas y la muestra poblacional de 377 personas (341 estudiantes, 27 docentes y 9 empleados administrativos). Según el resultado del análisis de situación; las fortalezas son: calidad de los productos alimenticios, capacidad financiera de la institución, ubicación estratégica de la caseta de ventas, respaldo institucional, infraestructura y tecnología de punta. Las oportunidades son: crecimiento poblacional estudiantil, aumento ...
16
artículo
Publicado 2015
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We assessed the technique using free radical 2,2-diphenyl-1-picrilhidrazil (DPPH) used to determine the antioxidant capacity of foods and synthetic compounds; for that purpose this free radical has been used in concentrations between 0.037 and 0.2 mM, likewise, to perform this evaluation the catechin and epicatechin standards have been used in a concentration range of 6.67 x 10(-3) and 2.2 x 10(-2) mM. CI(50) values for both standards were dependent on the concentration of DPPH, having observed that the above value increases with increasing concentration of DPPH, for which reason it is suggested that all research use a single concentration of DPPH in the reaction medium.
17
tesis de grado
Publicado 2014
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El presente trabajo de investigación tiene como finalidad presentar una Propuesta Estratégica de Marketing Promocional para incrementar la demanda de pacientes del Centro Médico San Lorenzo, en un mercado altamente competitivo. El problema de investigación está referido a la siguiente interrogante: ¿Una propuesta estratégica de Marketing Promocional, permitirá incrementar la demanda de pacientes en el Centro Médico de la Cooperativa de Ahorro y Crédito Parroquia San Lorenzo Trujillo Ltda. 104, durante el periodo 2014?; cuya hipótesis es: Una propuesta estratégica de Marketing Promocional que difunda los beneficios del Centro Médico de la Cooperativa de Ahorro y Crédito Parroquia San Lorenzo Trujillo permitirá incrementar la demanda de pacientes en el periodo 2014, destacando como variables de estudio: Variable independiente: Propuesta estratégica de Marketing Promocional;...
18
tesis de grado
Publicado 2017
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El presente trabajo de la investigación incluye la alimentación complementaria radica en la adecuada ingesta de alimentos que el niño consuma para cubrir sus necesidades y poder desarrollarse saludablemente, de allí la importancia del conocimiento de la madre que asegure un estado nutricional en su niño a partir de los seis meses. El objetivo del estudio fue determinar la relación entre el nivel de conocimiento sobre alimentación complementaria en madres y el estado nutricional de niños de 6 a 12 meses del Centro de Salud de Condorillo Alto Chincha 2016. Material y métodos: para la recolección de datos se utilizó la técnica de la encuesta cuyo instrumento fue un cuestionario para el nivel de conocimiento y análisis documental para establecer el estado nutricional utilizando una ficha nutricional, ambos instrumentos fueron previamente validado a través de juicio de expertos,...
19
tesis de grado
Publicado 2022
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El estudio presente tuvo como objetivo implementar la metodología 5s para incrementar la productividad en el taller MegaTextiles S.A.C ubicado en el distrito de la victoria. Como método se consideró la toma de muestra en base a los colaboradores presentes en el taller el cual estaba conformado por 10 personas (7 trabajadores en producción y 3 en alto cargo). Haciendo uso en la investigación del diseño cuasi-experimental, de alcance explicativo –descriptivo, y según su finalidad de tipo aplicada. La recolección de datos se obtuvo a través de una lista de verificación para la toma de datos sobre la cantidad de casacas producidas antes y después de la implementación divididas en dos etapas de manera longitudinal con una totalidad de 4 meses (2 meses antes y 2 meses después) y un cuestionario para la percepción de los colaboradores sobre la implementación de las 5s, obtenien...
20
artículo
Publicado 2009
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This study was undertaken to expand the current knowledge of the morphology and morphometry of rostellar hooks of protoscoleces from the metacestode E. granulosus. Protoscoleces were isolated from livers and lungs of naturally infected ovines and bovines obtained from abattoirs in Peruvian provinces (Arequipa, Cuzco, Puno, Huancavelica and Junin). Brightfield microscopy, confocal laser scanning microscopy, differential interference contrast and variable pressure scanning electron microscopy were used. Morphometry was made using computer image analysis. The application of these assay indicated that the large hooks frequently had thin guards and an irregular surface between the guard and handle. Data also showed that the small hooks presented rounded and stout guards. The blade did not show any relevant feature. No clear morphological distinction was observed between large and small hooks....
