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1
artículo
The purpose of this paper is to study the vibrational behavior of advanced composite plates by using a novel first shear deformation theory (FSDT). This theory contains only four unknowns, with is even less than the classical FSDT. The governing equations are derived by employing the Hamilton's principles and solved via Navier's solution. The present results were validiated by comparing it with the 3D, classical FSDT and other solutions available in the literature. Shear correction factor apper to be unfovarable in some cases (case dependent). Finally, authors recommend further study of this new manner to model the displacement field.
2
artículo
Publicado 2015
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The closed-form solution of a generalized hybrid type quasi-3D higher order shear deformation theory (HSDT) for the bending analysis of functionally graded shells is presented. From the generalized quasi-3D HSDT (which involves the shear strain functions “f(ζ)” and “g(ζ)” and therefore their parameters to be selected “m” and “n”, respectively), infinite six unknowns' hybrid shear deformation theories with thickness stretching effect included, can be derived and solved in a closed-from. The generalized governing equations are also “m” and “n” parameter dependent. Navier-type closed-form solution is obtained for functionally graded shells subjected to transverse load for simply supported boundary conditions. Numerical results of new optimized hybrid type quasi-3D HSDTs are compared with the first order shear deformation theory (FSDT), and other quasi-3D HSDTs. The...
3
artículo
Publicado 2016
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This paper presents a static analysis of functionally graded single and sandwich beams by using an efficient 7DOFs quasi-3D hybrid type theory. The governing equations are derived by employing the principle of virtual works in a weak form and solved by means of the Finite Element Method (FEM). A C1 cubic Hermite interpolation is used for the vertical deflection variables while C0 linear interpolation is employed for the other kinematics variables. Convergence rates are studied in order to validate the finite element technique. Numerical results of the present formulation are compared with analytical and FEM solutions available in the literature.
4
artículo
Publicado 2021
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Objective: To compare the professional performance of the health establishments with essential obstetric and neonatal functions from Lima with respect provincie during September-October of 2015. Materials and methods: It´s a cross- sectional analytical investigation conducted in 350 health establishments with essential obstetric-neonatal functions I-II (FONE I-II) database based on national surveys conducted by the National Institute of Statistics and Informatics (INEI) during 2015. New variables were created from the databases to determinate the gynecology staff´s professional performance and analyzed the data with the R statistical software and the IBM SPSS Statistics 25 using the chi-square test. Results: The investigation showed that midwifes were the healthl staff who most frequently attended vaginal births, both in Lima (62.9%) and in provinces (91.4%). With respect to the partog...
5
artículo
Publicado 2021
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Objective: To compare the professional performance of the health establishments with essential obstetric and neonatal functions from Lima with respect provincie during September-October of 2015. Materials and methods: It´s a cross- sectional analytical investigation conducted in 350 health establishments with essential obstetric-neonatal functions I-II (FONE I-II) database based on national surveys conducted by the National Institute of Statistics and Informatics (INEI) during 2015. New variables were created from the databases to determinate the gynecology staff´s professional performance and analyzed the data with the R statistical software and the IBM SPSS Statistics 25 using the chi-square test. Results: The investigation showed that midwifes were the healthl staff who most frequently attended vaginal births, both in Lima (62.9%) and in provinces (91.4%). With respect to the partog...
6
artículo
Publicado 2021
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This article seeks to analyze the function of the International Criminal Court (ICC) from the analytical horizon of critical studies and the particular contributions of the Helsinki School and social idealism. To achieve this objective, the main postulates of both perspectives are compared towards the concept of international criminal justice (ICJ), in general, and towards the performance of the ICC in its time of validity, in particular. The methodology used is that of a documentary analysis with a strong inclination towards texts of a theoretical, doctrinal and jurisprudential nature.
7
artículo
Publicado 2021
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This article seeks to analyze the function of the International Criminal Court (ICC) from the analytical horizon of critical studies and the particular contributions of the Helsinki School and social idealism. To achieve this objective, the main postulates of both perspectives are compared towards the concept of international criminal justice (ICJ), in general, and towards the performance of the ICC in its time of validity, in particular. The methodology used is that of a documentary analysis with a strong inclination towards texts of a theoretical, doctrinal and jurisprudential nature.
8
artículo
Publicado 2018
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This work presents us with a brief –though by no means plain– overview of the foundations, presuppositions, possibilities and limitations and some concrete examples of what comparative legal survey gives to the field of Constitutional Law.Indicating the capability of comparative legal practice together with a distinct comparative theoretical study of constitutional matters, giving pertinent methodological observations, the Bolognian professor excels at giving the reader acute observations on the nature of the legal comparison, the definition of its scope, the grounds for something to be “comparable”, as well as other interesting topics.An experienced jurist, de Vergottini also underlines the diff erent functions of the various actors in the legal sphere, the role they play by using comparative legal analysis in their work and the practices of foundation and argumen...
9
artículo
Publicado 2018
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This work presents us with a brief –though by no means plain– overview of the foundations, presuppositions, possibilities and limitations and some concrete examples of what comparative legal survey gives to the field of Constitutional Law.Indicating the capability of comparative legal practice together with a distinct comparative theoretical study of constitutional matters, giving pertinent methodological observations, the Bolognian professor excels at giving the reader acute observations on the nature of the legal comparison, the definition of its scope, the grounds for something to be “comparable”, as well as other interesting topics.An experienced jurist, de Vergottini also underlines the diff erent functions of the various actors in the legal sphere, the role they play by using comparative legal analysis in their work and the practices of foundation and argumen...
10
artículo
El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.
11
artículo
Publicado 2024
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Objective: To determine the association between frailty syndrome and family functioning among older adults with diabetic retinopathy. Materials and methods: An analytical and cross-sectional study conducted among patients diagnosed with diabetic retinopathy. The ophthalmology department diagnosed diabetic retinopathy through pupil dilation, using tetracaine and an ophthalmoscope. Three groups were determined using the FRAIL questionnaire: frail, prefrail and nonfrail; the sample sizes were 39, 64 and 76, respectively, matched by age. The study variables included age, sex, education, marital status and occupation. Additionally, the time since the diagnosis of diabetic retinopathy was measured. Furthermore, the type of family was determined according to Huerta’s classification, which identifies nuclear family, extended family, composite extended family, single-parent family and blended f...
12
artículo
Publicado 2025
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El objetivo del estudio fue evaluar el efecto de tres protocolos de anestesia balanceada sobre las funciones vitales y el tiempo de recuperación en la ovariohisterectomía felina. Se utilizaron 32 gatas criollas mayores de seis meses (ASA I y ASA II). Los animales fueron distribuidos en tres grupos y recibieron una premedicación similar, pero con inductores diferentes: 3 mg/kg de propofol (n=11), 7 mg/kg de ketamina (n=11) y 5 mg/kg de tiletamina (n=10). Los tres protocolos de anestesia se mantuvieron con isoflurano (1.5% v/v). La monitorización exhaustiva de las constantes fisiológicas fue registrada cada 2 minutos (intra quirúrgico) y cada 4 minutos (posquirúrgico) utilizando un monitor multiparámetro. El efecto de los tres protocolos sobre las funciones vitales y el tiempo de duración se evaluó mediante un análisis de varianza y la prueba de Tukey (α = 0.05). Los protocolos...
13
artículo
Publicado 2022
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This research aimed to compare the internalizing (anxiety and depression) and externalizing (hyperactivity) symptoms of Caraquenian children based on the level of food insecurity reported by their parents. A simple retrospective design was proposed with a sample of 200 children, aged between eight and twelve, and their representatives, in charge of reporting the food insecurity levels in their homes and the symptoms of perceived hyperactivity in their children. For the analysis of results, the non-parametric Mann-Whitney´s U technique was used to compare anxiety, depressive and hyperactive symptoms based on high and low levels of food insecurity. Results suggest moderate conditions of food insecurity in the households. Furthermore, regarding the set of internalizing symptoms evaluated, it was found that households with greater food insecurity tend to have children with greater manifesta...
14
artículo
Publicado 2022
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This research aimed to compare the internalizing (anxiety and depression) and externalizing (hyperactivity) symptoms of Caraquenian children based on the level of food insecurity reported by their parents. A simple retrospective design was proposed with a sample of 200 children, aged between eight and twelve, and their representatives, in charge of reporting the food insecurity levels in their homes and the symptoms of perceived hyperactivity in their children. For the analysis of results, the non-parametric Mann-Whitney´s U technique was used to compare anxiety, depressive and hyperactive symptoms based on high and low levels of food insecurity. Results suggest moderate conditions of food insecurity in the households. Furthermore, regarding the set of internalizing symptoms evaluated, it was found that households with greater food insecurity tend to have children with greater manifesta...
15
artículo
Publicado 2024
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Universities have become brands that use Instagram to attract potential students and generate a sense of community among actual members. This study aims to compare how the best-positioned universities in the world and in Spain, according to the Shanghai ranking, use Instagram as a communication channel. To do this, a mixed descriptive exploratory analysis is chosen, combining qualitative variables, format, discursive intention and function of the visual element; and quantitative, interactions and engagement, to analyze the posts from the first trimester of the 2021/2022 academic year (N = 820). The combined interpretation of both parameters after applying the ANOVA variance test has allowed us to formulate two preliminary publication models. The results reveal heterogeneity in the strategies followed, with differences in format, intention and function of the visual element, in addition t...
16
artículo
Publicado 2024
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Universities have become brands that use Instagram to attract potential students and generate a sense of community among actual members. This study aims to compare how the best-positioned universities in the world and in Spain, according to the Shanghai ranking, use Instagram as a communication channel. To do this, a mixed descriptive exploratory analysis is chosen, combining qualitative variables, format, discursive intention and function of the visual element; and quantitative, interactions and engagement, to analyze the posts from the first trimester of the 2021/2022 academic year (N = 820). The combined interpretation of both parameters after applying the ANOVA variance test has allowed us to formulate two preliminary publication models. The results reveal heterogeneity in the strategies followed, with differences in format, intention and function of the visual element, in addition t...
17
artículo
This paper presents a static analysis of functionally graded plates (FGPs) by using a new first shear deformation theory (FSDT). This theory contains only four unknowns, with is even less than the classical FSDT. In this paper a simply supported FG square sandwich plate is subjected to a bi-sinusoidal load. The governing equations for static bending analysis are derived by employing the principle of virtual works. These equations are then solved via Navier-type, closed form solutions. The accuracy of the present theory is ascertained by comparing it with various available solutions in the literature.
18
artículo
Publicado 2020
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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.
19
artículo
Publicado 2021
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Intercultural communication is considered a progressively developing trend, both abroad and in modern Russia. The concept of Western research on this topic is interdisciplinary approaches this situation is conditioned by the need for a multilateral analysis of the processes taking place in this field. Attention is focused on studying the barriers to communication of representatives of many socio-cultural systems. The information reflects the experience of using Western methodology to analyze the problems of intercultural interaction. The main barriers that reduce the effectiveness of interactions are the differences in cognitive schemes that are relevant for representatives of certain cultures (in particular linguistic and non-verbal schemes, moments of public consciousness). The results of the study do not allow the dissemination of conclusions to an extremely broad social context. But ...
20
artículo
Publicado 2021
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Intercultural communication is considered a progressively developing trend, both abroad and in modern Russia. The concept of Western research on this topic is interdisciplinary approaches this situation is conditioned by the need for a multilateral analysis of the processes taking place in this field. Attention is focused on studying the barriers to communication of representatives of many socio-cultural systems. The information reflects the experience of using Western methodology to analyze the problems of intercultural interaction. The main barriers that reduce the effectiveness of interactions are the differences in cognitive schemes that are relevant for representatives of certain cultures (in particular linguistic and non-verbal schemes, moments of public consciousness). The results of the study do not allow the dissemination of conclusions to an extremely broad social context. But ...
