58 research outputs found

    Разработка фреймворка для создания оптимизированной клиентской части веб-сайтов компаний

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    В результате исследовательской работы спроектирован и разработан фреймворк для создания клиентской части веб-приложения. Фреймворк предоставляет функционал для компонентной реализации веб-приложения с применением парадигмы объектно-ориентированного программирования и представлении пользовательского интерфейса в виде JavaScript объекта.As a result of research work, a framework was designed and developed for creating the client part of a web application. The framework provides functionality for the component implementation of a web application using the object-oriented programming paradigm and representing the user interface in the form of a JavaScript object

    Consumer (non) complaint behavior: an empirical analysis of senior consumers in Germany

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    Since studies in the field of complaint research primarily look at the group of complainers, little is known about the group of non-complainers. For this reason, in addition to the complainers, the non-complainers should also be considered in the present study in order to help close the existing research gap. The focus of this study is on older people aged 60 and over, as this group of people has received little attention in research to date. Thus, this study contributes to the emerging research field of "Economics of Population Aging". The research question is: Why do men and women aged 60 and older (not) complain in dissatisfaction situations? Data collection for the study was conducted via a representative, ad hoc, online survey in January, 2020 just bevor COVID-19 restrictions were in place. In total, data was collected from 533 people, 229 of whom had had negative experiences when purchasing a product or service. This sample was then evaluated and analyzed. In particular, the phenomenon of "not complaining" was investigated in a data-based manner. Among other things, the study shows that certain characteristics can be attributed to non-complainers

    Relación entre el estado nutricional de la gestante y del recién nacido, Centro de Salud Materno Infantil, Chicama, 2022

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    El presente estudio consideró como objetivo principal determinar el estado nutricional en la etapa de gestación con el estado nutricional del recién nacido. El estudio es de tipo básico, nivel correlacional y de diseño no experimental. La población - muestra estudiada estuvo conformada por 140 gestantes y 140 recién nacidos los cuales fueron atendidos en el periodo de enero a diciembre del 2021 en el Centro de Salud Materno Infantil - Chicama. El instrumento fue una ficha de registro donde se recopilaron dados de las historias clínicas de cada paciente como: edad, lugar de procedencia, peso, talla, Índice de Masa Corporal (IMC) pregestacional, perímetro cefálico y hemoglobina Se obtuvo que no hubo relación entre el IMC pre gestacional con el peso del recién nacido, perímetro cefálico y hemoglobina; asimismo tampoco hubo relación entre la ganancia de peso para la edad gestacional con peso del recién nacido, perímetro cefálico y la hemoglobina del recién nacido; Tampoco hubo relación entre la hemoglobina de la gestante con el peso del recién nacido, perímetro cefálico. Sin embargo, de los recién nacidos con anemia el 0.7 % provienen de madres con anemia severa, el 19.3 % provienen de madres con anemia moderada, el 21.4 % proviene de madres con anemia leve y el 40 % proviene de madres con hemoglobina normal. Se concluye que existe relación significativa entre las variables hemoglobina de la gestante y hemoglobina del recién nacido sin embargo el grado de fuerza de la relación entre las variables fue moderado según el coeficiente V de Cramer

    Advances in surface EMG signal simulation with analytical and numerical descriptions of the volume conductor

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    Surface electromyographic (EMG) signal modeling is important for signal interpretation, testing of processing algorithms, detection system design, and didactic purposes. Various surface EMG signal models have been proposed in the literature. In this study we focus on 1) the proposal of a method for modeling surface EMG signals by either analytical or numerical descriptions of the volume conductor for space-invariant systems, and 2) the development of advanced models of the volume conductor by numerical approaches, accurately describing not only the volume conductor geometry, as mainly done in the past, but also the conductivity tensor of the muscle tissue. For volume conductors that are space-invariant in the direction of source propagation, the surface potentials generated by any source can be computed by one-dimensional convolutions, once the volume conductor transfer function is derived (analytically or numerically). Conversely, more complex volume conductors require a complete numerical approach. In a numerical approach, the conductivity tensor of the muscle tissue should be matched with the fiber orientation. In some cases (e.g., multi-pinnate muscles) accurate description of the conductivity tensor may be very complex. A method for relating the conductivity tensor of the muscle tissue, to be used in a numerical approach, to the curve describing the muscle fibers is presented and applied to representatively investigate a bi-pinnate muscle with rectilinear and curvilinear fibers. The study thus propose an approach for surface EMG signal simulation in space invariant systems as well as new models of the volume conductor using numerical methods

    Sleep and circadian rhythm during a short space mission

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