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https://purl.org/pe-repo/ocde/ford#2.02.04
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https://purl.org/pe-repo/ocde/ford#2.00.00
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ODS 3: Salud y bienestar. Garantizar una vida sana y promover el bienestar de todos a todas las edades
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Perú
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https://purl.org/pe-repo/ocde/ford#3.02.10
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1
artículo
This project focuses on presenting a reference model based on tools already created to automate the process of performing functional tests during the evaluation of the quality of the developed product. This automation includes the evaluation of certain automated test management tools and automated functional testing.Software development and computer provide quality service is what is currently achieved with functional tests made in the development stage. This process is very important and critical part in the development process and must be done with greater efficiency and better efficiency. During the project the current processes that are part of the application development methodology, both theoretically and in practice met. Automation tools and methodologies for testing were evaluated. It was considered very important that both methodological solutions and technical support aspects s...
2
artículo
Publicado 1918
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We continue the study of indirect methods of assessment of renal function, based on the introduction into the body of substances that are eliminated by the kidney, either at the level of the glomerulus and a secretory process of renal cell methods will deal of fenolsulfonptaleína, substance introduced by Rowntree and GEPAGHTY to study kidney function, and has the advantage of being innocuous and unalterable part, and be totally eliminated by the kidney, revealing minimal alterations of this body to another.
3
artículo
Publicado 2024
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Particle physics emerged as a pioneer discipline in "big science"; experiments are being carried out in accelerators that are increasing in energy and complexity by the collaborations of thousands of physicists from hundreds of institutes in a few dozen countries. In "big science" a research methodology has been developed in which statistics is of great importance to interpret the results obtained from these experiments. Despite the discovery of the Higgs boson in 2012, which contributed to the success of the Standard Model and the award of the 2013 Nobel Prize in Physics. Based on these motivations, in the present work certain statistical tests based on the “likelihood” method are shown and are applied in high energy physics in the discovery of new phenomena, by making use of the construction of confidence intervals of the model parameters. We focus on properties of methods called ...
4
artículo
Publicado 2021
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In the competition of the lighting market, LED technology has stood out for excellent characteristics, one of which is the possibility of dimming, compared to other technologies. The dimming capacity allows to find the comfort zone with respect to two parameters, illuminance and correlated colour temperature (CCT). The present work provides a methodology to find comfort with respect to two variables, the level of illumination and the CCT. A controller with a simple structure, supported by Arduino, is proposed to control the above-mentioned variables of LEDs. The LEDs are located on a tape attached to a heat sink. In addition, the use of a light box as an environment for analysis is proposed. The design of this cubicle is based on literature. The controller has the possibility to regulate 12 different channels and the linearity between the PWM output and the illuminance was verified. The ...
5
artículo
Publicado 2013
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The application of different unit root statistics is by now a standard practice in empirical work. Even when it is a practical issue, these statistics have complex nonstandard distributions depending on functionals of certain stochastic processes, and their derivations represent a barrier even for many theoretical econometricians. These derivations are based on rigorous and fundamental statistical tools which are not (very) well known by standard econometricians. This paper aims to fill this gap by explaining in a simple way one of these fundamental tools: namely, the Functional Central Limit Theorem. To this end, this paper analyzes the foundations and applicability of two versions of the Functional Central Limit Theorem within the framework of a unit root with a structural break. Initial attention is focused on the probabilistic structure of the time series to be considered. Thereafter...
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documento de trabajo
Este documento analiza diferentes estadísticos basados en los residuos para la hipótesis nula de no cointegración utilizando MCG para eliminar los componentes determinísticos. Las distribuciones asintóticas son simuladas para los casos donde un intercepto y un intercepto y una tendencia son incluidos en la ecuación de cointegración. Los resultados muestran que las distribuciones asintóticas dependen del número de regresores (variables xt), el número y clase de componentes determinísticos y un parámtro de nuisamce R2 que mide la correlación de largo plazo entre los regresores xt y la variable yt. Los resultados muestran que MCG permiten obtener más potencia que el uso de MCO. Esto es más claro para valores de R2 menores que 0:4 y un solo regresor xt. Para valores mayores de R2 los denominados estadísticos ECR son mejores para cualquier número de regresores. En particular ...
7
artículo
Publicado 2021
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Objectives: a) To verify the number of studies on executive functions (EF) in older adults carried out in Ibero-America; b) To identify the instruments used to measure EF in older adults during the years 2009-2018. Material and methods: A bibliometric study on EF in older adults in Latin America was carried out through the Scopus and Scielo databases. Studies published in Spanish and Portuguese languages using eight keywords and five registered indicators. Results: Between 2009 and 2018, a total of 12 original investigations have been carried out in six Iberoamerican countries (Spain, Argentina, Chile, Colombia, Cuba, and Peru). Most EF-related investigations were reported duing the 2010-2009 and 2013-2014 periods. Several instruments were used, the Trail Making Test and the Frontal Assessment Battery being the most frequent. Conclusions: There seems to be a limited interest in investiga...
8
artículo
Publicado 2019
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Development of Fragility functions are a widely used tool to estimate the vulnerability through the probability of response damage occurrence of a structure at different seismic demand. These functions are very useful for researchers, engineers, insurance companies, territorial planning planners and decision-makers. The aim of this research is to develop a methodology to estimate the vulnerability of theses confined masonry dwelling through the fragility function. An experimental database of confined masonry wall of two kind of informal brick and statistical database were used. This research present typologies of a dwelling according to the type of material, number of floors, and wall density respectively which are based on a statistical database. Besides, it describes a methodology to find the fragility functions based on experimental data tests that replicate the behavior of confined m...
9
artículo
Publicado 2020
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Background Pyrazinamide is an important drug against the latent stage of tuberculosis and is used in both first- and second-line treatment regimens. Pyrazinamide-susceptibility test usually takes a week to have a diagnosis to guide initial therapy, implying a delay in receiving appropriate therapy. The continued increase in multi-drug resistant tuberculosis and the prevalence of pyrazinamide resistance in several countries makes the development of assays for prompt identification of resistance necessary. The main cause of pyrazinamide resistance is the impairment of pyrazinamidase function attributed to mutations in the promoter and/or pncA coding gene. However, not all pncA mutations necessarily affect the pyrazinamidase function. Objective To develop a methodology to predict pyrazinamidase function from detected mutations in the pncA gene. Methods We measured the catalytic constant (k(...
10
artículo
Publicado 2022
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This study shows the results of the Differential Item Functioning (DIF) detection analysis of the items of the Ser Bachiller assessment of the Costa cycle, which was applied in 2020 to high school graduates and applicants to public universities in Ecuador. The Mantel-Haenszel method, a well-known method used by the Educational Testing Service, was used. The presence of DIF was explored based on four axes of analysis: sex of the subject, area of settlement, ethnic self-identification group and type of schooling. It is concluded that the items of the Ser bachiller Costa 2020 are not affected by differential functioning. This supports the hypothesis that the test items applied by Ineval do not favor or disadvantage certain specific population groups, so the different population groups evaluated are not affected in any way by the design of the Ser Bachiller assessment.
11
artículo
Publicado 2025
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Purple corn (Zea mays L.) is a superfood native to Peru, highly regarded for its functional properties and commonly used in the preparation of traditional beverages and desserts, such as chicha morada and mazamorra morada. Following processing, the corn cobs remaining as a byproduct retain significant amounts of bioactive compounds with potential for utilization. This study proposes their use as a primary component in the production of teas. To ensure product safety, the moisture content, total ash, and counts of enterobacteria and aflatoxins in the raw materials were first evaluated. Fourteen formulations were developed, varying in the proportions of corn cobs, quince, stevia, cinnamon, and cloves, as well as extraction times (5 and 10 minutes at 100 °C) with hot water. Two rapid sensory evaluation methods using consumer panels were applied sequentially: Flash Profile (FP) and Check-...
12
artículo
Publicado 2020
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ABSTRACT The effects of the pandemic caused by COVID-19, are causing the development of medical implements and equipment quickly, in some cases due to the emergency situation authorizations are being granted for the manufacture, marketing and use. In many cases these developments are motivated by a local need that can help mitigate the effects of COVID-19. It is in this scenario, where we present a methodology to be able to collaborate in that these developments, providing recommendations of good practices for the functional testing stage, based on the design of the test protocols and informed consent, with these testing mechanisms, are It can be presented to a health ethics committee, with the intention that it be approved for subsequent application. With the completion of the studies using the equipment developed and having passed the study protocol, the results of the study guarantee ...
13
artículo
Publicado 2023
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The objective of the research was to demonstrate that evidence-based learning as a didactic strategy influences the production of functional texts in university students. For this, the following methodology was used: quantitative approach, experimental level, quasi-experimental design. For data collection, the observation and survey technique was used: the instrument used was the rubric —differential semantic scale—, and knowledge test —measures the intellectual part—. To express the data, visual representations, tables and figures were used, obtained through the SPSS v.26 software. The statistical results allowed us to test the hypothesis through the Mann-Whitney U, indicating that the experimental group presents a better result in relation to the control group. In conclusion, evidence-based learning is an advantage for the development of the production of functional texts.
14
artículo
Publicado 2016
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This paper involves a practical approach to perform quality-control/quality-assessment of concrete using vibration-based NDT. The first component is the analysis of compressive strength and dynamic E-modulus of concrete samples from various construction projects. The second component involves continuous measurements of E-Moduli as a function of curing time in laboratory-controlled specimens. The experimental program allowed proposing a correlation to predict the expected static and dynamic E-modulus at 28 days from their measurement at any instant of the curing process. A similar relationship is proposed to predict compressive strength at 28 days based on the dynamic E-modulus measured at earlier ages.
15
artículo
Publicado 2000
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Este artículo presenta un trabajo preliminar acerca de la implementación de un Scanlet para: (a) chequeo automático de generación de patrones relacionados con circuitos digitales basados en un modelo con interrupción en presencia de falla, (b) monitoreo y depuración in situ, (c) actualización de la arquitectura de un controlador lógico difuso, y (d) inyección de falla a nivel de pines usando Java API. Los puntos (a)-(c) son tareas de verificación. Como primera aproximación, el sistema STUD ha sido desarrollado empleando la arquitectura (incorporada) JTAG (Joint Test Action Group) y configurada por un CPLD para chequeo y operaciones de programación. Entretanto, las operaciones son ejecutadas por Scanlet, el cual puede ser corrido desde una página de Internet. Finalmente, un controlador lógico difuso, a manera de un núcleo JP, se usa como marca característica.
16
artículo
Publicado 2000
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This article presents preliminary work on the implementation of a Scanlet for: (a) automatic checking of pattern generation related to digital circuits based on amodel with interruption in the presence of failure, (b) in situ monitoring and debugging, (c) update ofthe architecture of a fuzzy logic controller, and (d) pin-level fault injection using JavaAPI. Points (a)-(c) are verification tasks. As a first approximation, the STUD system has been developed using the (built-in) JTAG (Joint Test Action Group) architecture and configured by a CPLD for testing and programming operations. Meanwhile, the operations are executed by Scanlet, which can be run from an Internet page. Finally, a fuzzy logic controller, like an IP core, is used as a trademark.
17
artículo
Publicado 2024
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Objective: To determine the relationship between competency-based management and job performance of the administrative staff at EPS Seda Huánuco S. A., as of 2023. Materials and Methods: This research is of an applied type, with a correlational level, using a non-experimental correlational design. The population and sample comprised the 57 employees of Seda Huánuco, to whom a survey technique was applied, using a questionnaire as the instrument. To determine the results and test the formulated hypotheses, descriptive statistics were applied for frequency tables and graphs, as well as inferential statistics, where the correlation index was interpreted. Results: The results showed that competency-based management is significantly related to job performance. This is inferred from the level of significance obtained in inferential analysis or hypothesis testing, which was p = 0,000 < 0,0...
18
artículo
Publicado 2022
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Cotton is the most widely used natural fiber for textiles but its innate capacity to absorb moisture, retain oxygen, and high specific surface area make it more prone to microbial contamination, becoming an appropriate medium for the growth of bacteria and fungi. In recent years, the incorporation of silver nanoparticles in textile products has been widely used due to their broad-spectrum antibacterial activity and low toxicity towards mammalian cells. The aim of the current study is to synthesize and characterize a nanocomposite based on silver nanoparticles and carboxymethyl chitosan (AgNPs-CMC), which was utilized to provide a functional finish to cotton fabric. The scanning electron microscope (SEM) to produce a scanning transmission electron microscope (STEM) image showed that the nanocomposite presents AgNPs with a 5–20 nm size. The X-ray diffraction (XRD) analysis confirmed the ...
19
artículo
Publicado 2022
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Cotton is the most widely used natural fiber for textiles but its innate capacity to absorb moisture, retain oxygen, and high specific surface area make it more prone to microbial contamination, becoming an appropriate medium for the growth of bacteria and fungi. In recent years, the incorporation of silver nanoparticles in textile products has been widely used due to their broad-spectrum antibacterial activity and low toxicity towards mammalian cells. The aim of the current study is to synthesize and characterize a nanocomposite based on silver nanoparticles and carboxymethyl chitosan (AgNPs-CMC), which was utilized to provide a functional finish to cotton fabric. The scanning electron microscope (SEM) to produce a scanning transmission electron microscope (STEM) image showed that the nanocomposite presents AgNPs with a 5–20 nm size. The X-ray diffraction (XRD) analysis confirmed the ...
20
artículo
HIV-associated neurocognitive disorder (HAND) is not a well recognized entity but has high prevalence and impact in individuals infected with HIV. The term HAND encompasses a spectrum of progressive central nervous system (CNS) involvement, ranging from asymptomatic neurocognitive impairment and minor neurocognitive disorder through to the most severe form of HIV-associated dementia (HAD). While the incidence of HAD has declined significantly with highly active antiretroviral treatment (HAART), the milder forms of HAND have increased. In this review, updated nomenclature and research case definitions to guide HAND diagnosis are described. Clinical manifestations, diagnosis and treatment recommendations are also outlined. Finally, while neurocognitive impairment is typically diagnosed with full neuropsychological evaluation, the interpretation of test results is based on comparing the pat...
