bluuebunny/crossref_metadata_2025_split huggingface dataset:
Graphene oxide membranes for effective removal of humic acid
Authors: Ren Xiaojun , Ji Dali , Wen Xinyue , Bustamante Heriberto , Daiyan Rahman , Foller Tobias , Khine Yee Yee , Joshi Rakesh 
Published: August 2022

Abstract2-Dimensional materials-based membranes have been considered as promising candidates for water purification. Here, we report that graphene oxide (GO) membrane can reject aquatic humic acid (HA) up to 94.2% in a 2-bar pressurized filtration process. In-depth analysis indicated that the filtration performances such as water flux and rejection rate depend on the thickness and physical structure of the membranes. The experimental study reveals that the GO membrane with a mass loading of 0.58 mg/cm2, which is approximately equivalent to 3 μm thickness, is required to reach the rejection rate of HA at 94% using 2 bar pressurized filtration method. We further confirmed the membranes’ integrity by over 98% rejection of methylene blue (MB). For practicality, we tested our membrane in tubular form by coating GO on PVDF hollow fibres, which presented similar rejection performances using vacuum filtration method while maintaining the water flux around 100 L m−2 h−1 bar−1.
Graphical abstract
First experience of using two-dimensional speckle-tracking echocardiography to assess the association of left atrial strain with atrial fibrillation after coronary artery bypass grafting
Authors: Ganaev K. G. , Vlasova E. E. , Avalyan A. A. , Saidova M. A. , Akchurin R. S. 
Published: August 2022

Aim. To assess left atrial (LA) strain parameters in candidates for coronary artery bypass grafting (CABG) and to evaluate their possible relationship with newly diagnosed atrial fibrillation (AF) after isolated CABG.Material and methods. The study Included 70 patients without prior AF (mean age, 65±8 years; men, 80%). Preoperative speckle-tracking echocardiography with an assessment of LA strain was performed. Two following groups were considered: without postoperative AF (POAF) (n=50), with postoperative POAF (n=20). After surgery, daily electrocardiography (ECG), 3-day postoperative continuous ECG monitoring, Holter ECG monitoring on the 4th-5th day after CABG. The median follow-up was 9 (7; 11) days.Results. Postoperative AF developed in 20/70 (29%) patients. Clinical, demographic and intraoperative parameters of CABG in the groups without and with POAF were comparable. Echocardiographic parameters in the studied groups were also equivalent; LA volume (57,0±8,7 vs 60,0±12,1, respectively), LA size (3,9±0,3 vs 3,9±0,2, respectively). Strain analysis showed its significant decrease in the group with POAF compared to the group without POAF: peak atrial longitudinal strain (PALS) (20,4±3,1 vs 27,8±3,0, respectively), ALS early (8,50±1,5 vs 11,8±1,7, respectively), ALS late (-0,2±0,7 vs -1,0±1,0). ROC analysis established the predictive value of PALS as follows: a value of ≤23,0% with a sensitivity of 90% and a specificity of 78% was a predictor of postoperative AF.Conclusion. Conventional echocardiographic predictors (LA size and volume) indicating a high risk of POAF cannot correctly assess the risk of newly diagnosed postoperative arrhythmia. AF after CABG is probably associated with the existing subclinical LA dysfunction as a result of structural abnormalities due to coronary artery disease. Our study showed that a decrease in LA strain parameters is associated with POAF. Further studies are needed to evaluate the contribution of speckle-tracking echocardiography to prediction of POAF.
Ground-Motion Evaluation of Hybrid Seismic Velocity Models
Authors: Ajala Rasheed , Persaud Patricia 
Published: August 2022

Abstract
Cost-effective strategies for enhancing seismic velocity models are an active research topic. The recently developed hybridization technique shows promise in improving models used for deterministic earthquake hazard evaluation. We augment the results of Ajala and Persaud (2021) by exploring other hybrid models generated using 13 sets of embedding parameters—taper widths and subvolumes—and summarize their effect on waveform predictions up to a minimum period of 2 s. Our results introduce the notion of compatibility as a consideration by showing that the same basin models embedded into two different regional models can produce notably different outcomes. In contrast to most of our hybrid Harvard models that produce better matching ground motions, only one of the hybrid models generated using the Southern California Earthquake Center model as a regional model gives a closer match to the waveforms. Similar results are obtained at higher frequencies; however, improvements due to hybridization are reduced. A potential explanation for these results may be the limited high spatial frequencies in the travel time tomography basin models and the &gt;5–6 s wavefield-dominated adjoint regional models. Although the strongly tapered compatible hybrid models tend to produce better results, we find instances of improvements even with merging artifacts.
Sistema de detección de movimiento con sensor ultrasonido y Arduino para controlar el aforo de turistas
Authors: Arregocés Julio Isabel 
Published: August 2022

Resumen
Introducción: A raíz de la pandemia ocasionada por el virus Sars-Cov-2, los países han impuesto medidas para que los establecimientos puedan normalizar poco a poco sus actividades en una etapa de transición que apunta a la reactivación económica en el sector turismo. Para la reapertura de los escenarios dispuestos en el turismo cultural, es necesario el estricto cumplimiento del distanciamiento social y evitar las aglomeraciones, razón por la cual resulta indispensable limitar el aforo o la capacidad de visitantes.
Objetivo: Presentar la implementación de un modelo de adquisición de datos utilizando un sensor ultrasonido HC-SR04 programado con Arduino para controlar el aforo máximo de turistas en entornos cerrados tales como museos, bibliotecas, parques temáticos, edificaciones, galerías de arte y sitios arqueológicos.
Método: Se propuso la implementación de un sistema basado en IoT y analítica de datos en un contexto turístico. La programación con código Arduino permitió la captura y visualización de datos durante de 48 horas.
Resultados: Mediante el análisis de la información capturada fue posible alertar el sobrelimite del aforo parametrizado identificando a través de las notificaciones los niveles de riesgo.
Conclusiones: El sistema desarrollado permite alertar sobre el aforo máximo en espacios cerrados, generando control y reduciendo la probabilidad de contagio en estos espacios.
Análisis de la Funcionalidad de la plataforma Territorium como elemento motivador dentro de los procesos de la Formación Profesional Integral del Sena.
Authors: Hormechea Lance Manuel Gregorio , Jimenez Roa Luz Elena , Blanco Cuentas Katherine Paola 
Published: August 2022

En la actualidad por la llegada de la pandemia, ha sido preciso que todas las instituciones educativas en Colombia tanto privadas y públicas incluyendo el SENA (Servicio Nacional de Aprendizaje) desarrollen formaciones híbridas o blended, donde mediante actividades presenciales y virtuales se atiendan a los aprendices de acuerdo con las competencias requeridas. Para ello se necesita que utilicemos plataformas tecnológicas que puedan motivar en forma permanente a los aprendices involucrados.
Los LMS (Learning Management System) son herramientas fundamentales para los procesos de sincronización entre la formación presencial y la formación en línea. Dependiendo de la implementación de éstos LMS, es que se puede evidenciar la eficacia en los procesos formativos teniendo en cuenta la funcionalidad de la plataforma basada en sus componentes.
En los componentes de la plataforma se encuentra la funcionalidad requerida para que los instructores generen elementos motivadores que son personalizados de acuerdo con los espacios y las herramientas disponibles, la forma en que se publican los contenidos y la configuración de las opciones de comunicación.
Una Revisión de la Mesa de Ayuda de Sociedad Portuaria Puerto Bahía: Un Paso para la Automatización
Authors: Meriño Vega Margarita I. 
Published: August 2022

Introducción: Los puertos están destinados a ser cada día más eficientes y efectivos, debido a la gran responsabilidad que tienen dentro de la cadena de suministro del comercio exterior e internacional. Asimismo, son promotores del desarrollo y crecimiento de la economía de toda una nación, lo que conlleva a una alta y exigente competitividad dentro del mercado global.
Objetivo: Este artículo pretende identificar algunas investigaciones en automatizaciones de mesas de ayuda para abonar esfuerzos y agregar valor en cuánto a tecnología e innovación en el sector portuario. Para esto, se presenta una revisión de la literatura de automatizaciones realizadas a mesas de ayuda, para que a futuro se pueda desarrollar un diseño de una solución tecnológica que automatice la mesa de ayuda de una sociedad portuaria, en este caso, Sociedad Portuaria Puerto Bahía (SPPB).
Método: Este artículo inicialmente fue enfocado en la contextualización de sociedades portuarias y se resaltaron fuentes de información obtenidas de base de datos especializadas (Mediante una revisión sistemática de la literatura), informes técnicos procedentes de agremiaciones y entes estatales (Mediante un proceso de vigilancia tecnológica) y documentación e información interna de la empresa SPPB sobre los procesos que ejecutan en su mesa de ayuda.
Resultados: En la revisión de la literatura se encuentra amplia información sobre la automatización de mesas de ayuda basado en diferentes métodos y se muestra de manera general el proceso de gestión de solicitudes de servicios de la mesa de ayuda de Sociedad Portuaria Puerto Bahía. Además, posibles soluciones que podrían aplicar a SPPB.
Conclusiones: El proceso de automatización de una mesa de ayuda tiene múltiples investigaciones, una de ellas son los sistemas de recomendación, por lo tanto, se presenta una oportunidad para que se pueda implementar un modelo que permita a los puertos, especialmente a SPPB, mejorar su proceso de gestión de solicitudes de servicios de cara a los usuarios internos e indirectamente, aportar al aumento de la productividad y competitividad del sector portuario a nivel nacional e internacional.
Problems and Prospects of Human Capital Development in Post-Industrial Society
Authors: Tiurina Alona , Nahornyi Vitalii , Ruban Olha , Tymoshenko Mykola , Vedenieiev Vitalii , Terentieva Nataliia 
Published: August 2022

In a post-industrial society, the analysis of human abilities to work, their formation, reproduction and effective functioning is becoming increasingly important for achieving social and economic well-being. In the realities of globalization and total informatization, the figure of a person with his knowledge, creative and intellectual abilities comes to the fore. There is a reorientation of economics from the use of labor resources to the problems of creating a qualitatively new workforce, which takes the form of human capital.
The concept of human capital testifies not only to the crucial role of man in the socio-economic system of post-industrial society, but also the need to invest in man, his education, training, health and livelihood, which are now priorities not only for individuals but also various government projects and programs. The state of human capital development is measured using the human capital index, which is calculated for each country separately.
In contrast to other studies, the article focuses on the development and importance of human capital in the realities of post-industrial society. Namely, the concept of human capital in the realities of post-industrial society is considered, the state of human capital development in modern conditions is analyzed, the influence and challenges of post-industrial society on human capital development are studied and the method of comparative analysis is applied.
A Temática Ambiental no Ensino Superior: abordagens propostas em cursos de licenciatura da Universidade Federal do Triângulo Mineiro
Authors: Borges Jordana , Aparecida Reis Leite Danielle 
Published: August 2022

Convivemos, atualmente, com uma série de desequilíbrios ambientas causados por atividades antrópicas o que incentiva a presença da Educação Ambiental nos diferentes níveis de ensino. Partindo do pressuposto que o professor é um mediador das reflexões sobre os desafios socioambientais promovidas no ambiente escolar, entende-se que a formação inicial desse profissional deve oferecer os subsídios para este fim. Este trabalho teve como objetivo realizar uma investigação relacionada a abordagem da temática ambiental nos cursos de licenciatura vinculados ao Instituto de Ciências Exatas, Naturais e Educação da Universidade Federal do Triângulo Mineiro. Para a análise desses projetos, foi desempenhada uma pesquisa de natureza qualitativa nos Projetos Pedagógicos Curriculares dos cursos de licenciatura do ICENE e foram realizadas entrevistas com os coordenadores desses cursos. Para a análise dos dados foram utilizados os procedimentos propostos pela Análise de Conteúdo de Laurence Bardin. Diante disso, foi possível compreender as perspectivas distintas de cada curso a respeito da Temática Ambiental, sendo os mesmos organizados em três categorias que indicam a forma segundo a qual o tema é abordado nos cursos. Conclui-se que não existe uma maneira pré-determinada para trabalhar a Educação Ambiental na formação inicial dos professores, pois cada curso adequa esse tema à sua realidade curricular e a suas particularidades. Entretanto, compreende-se a importância de realizar uma conscientização crítica e que fuja dos padrões deterministas, abordando a temática ambiental de maneira transversal, articulada com as discussões comuns do curso, visando a formação do professor crítico e consciente do seu papel enquanto educador.

Palavras-chave: Educação Ambiental. Temática Ambiental. Licenciatura. Universidade Federal do Triângulo Mineiro.
Teacher education students’ assessment of modular distance learning during the COVID-19 pandemic
Authors: Peteros Emerson 
Published: August 2022

This research investigated the teacher education students’ assessment of modular distance learning (MDL) during the coronavirus disease 2019 pandemic using a descriptive comparative research design. There were 295 respondents who are taking up Bachelor of Secondary Education major in Mathematics in a state university. The respondents were identified using stratified random sampling. They answered a four-part survey questionnaire that assessed their profile, perception, benefits and challenges they encountered while learning through MDL. The results showed that they have a positive perception of MDL. At the same time, they found this modality to be beneficial. However, they often encountered the challenges that MDL brings. Moreover, there is a significant difference in the students’ perception, benefits and challenges that MDL brings when grouped according to their year level. Thus, it is recommended that school administrators and teachers consider students’ diversity relative to their needs and provide other instructional support while students are engaging in MDL.

Keywords: Benefits, challenges, modular distance learning, perception, teacher education students
Technology-mediated Active methodologies for professional skills in a special professional programme
Authors: Domínguez-Santos Susana , Muñoz-Martínez Yolanda , García -Laborda Jesús , Cruz Serrano Maria Rosario 
Published: August 2022

Bacground: This research held in 2019/2020 supervised the students’ external Practicums of a Special Professional Training Programme in Auxiliary Operations of Administrative and General Services when students could not carry out their Practicums in person in companies due to the COVID-19 pandemic. Purpose: the proposed Practicum is of most professional importance so a completion in a virtual and synchronous way through virtual and educational platforms like GeniallyTM and Google SuiteTM. In this virtual environment, students had to connect daily and perform the functions of an administrative assistant working in the different departments of the company. Methodology: This research followed the Research-Action approach. Major conclusions: During the Practicum, the researchers reviewed and adapted the environment based on the results we were obtaining. The major contribution is that it proved the effectiveness of active methodologies in the training of students in a special modality professional programme that, together with a Research-Action approach, facilitates the development of the students' work skills.

Keywords: Active methodologies, Practicum, administration students, action-research, professional skills, inclusive education;
Speech therapy technologies to overcome dyslexia in primary school students
Authors: Nurseitova Zhanar , Abaeva Galiya , Yermagambet Aliya , Bekzhanova Zhanar , Nietbayeva Gulmira 
Published: August 2022

The aim of this study is to determine the importance of technology in the education of children with dyslexia. In this general purpose study, primary schoolteachers who use technology in their education were asked about the benefits of technology on children with dyslexia. Dyslexic students were asked if there were changes in their learning, thanks to technology. The research group of this study consists of classroom teachers and students with dyslexia. The sample of the study consists of 15 teachers and 18 students working in primary education. The aim of this study is to determine the effectiveness of technology on students with dyslexia in the classrooms of primary schoolteachers. For this purpose, separate interviews were conducted with teachers and students. Three computer teachers, two special education teachers and one language and speech therapist assisted in the preparation of the research questions and the final form was given. Interviews of teachers and students were recorded, which was later approved. Content analysis was used in the analysis of the data collected in the study. As a result of the research, it was concluded that the use of technology in the special education process is beneficial. It can be said that students who have difficulty learning under learning disabilities find it easier to learn, thanks to technology.

Keywords: Technology, dyslexia, teacher’s opinion, student’s opinion, qualitative research, learning disability;
Perspectives of future special education teachers towards assistive technologies through the application of a competency-oriented approach
Authors: Tulepova Lazzat , Namazbayeva Zhamiliya , Autaeva Akbota , Kulnazarova Gulnaz , Moldabayeva Ainur 
Published: August 2022

The definition of inclusion or the concept of integrating the concept of universal education has recently become increasingly important to prepare an environment that facilitates access to information for all individuals, especially those with special needs. Technological developments provide great changes and innovations in the field of education, as well as in all areas of our age. Especially computer and internet-centred technologies are used in education and enable to be processed with efficient and different methods. The aim of this research is to address the perspectives of future special education teachers on assistive technologies with a competency-oriented approach. For this purpose, 41 senior teacher candidates studying in the special education department of education faculties of 3 universities were interviewed in the fall term of 2020–2021. In order to reach the aim of the research, three semi-structured questions prepared by the researcher by taking expert opinions were asked. As a result of the research, it has been found that assistive technologies are beneficial for both students and teachers. As a result of the examples given by the senior pre-service teachers about assistive technologies, it was concluded that they knew a limited number of assistive technologies.

Keywords: Technology, special education, competency-oriented, education;
KARAKTERISTIK FISIKOKIMIA TEPUNG CAMPOLAY (Pouteria campechiana) TERMODIFIKASI SECARA FISIK DAN BIOLOGI
Authors: Pertiwi Sri Rejeki Retna , Novidahlia Noli , Mustofa Muhammad , Aminullah Aminullah 
Published: August 2022

Flour modifications can be conducted to expand its utilization into processed products. This research aimed to study the effect of physical and biological modification on the physicochemical properties of canistel (Pouteria campechiana) flour. The research method included making canistel flour unmodified (native), physical modification using heat moisture treatment (HMT) method, and biological modification by fermentation. Physical properties analysis included color and morphology of starch granules, while chemical analysis included water content, total sugar content, starch content, amylose content, and amylopectin content. The data were analyzed statistically using One Way ANOVA and continued with the Duncan post hoc test. Statistical analysis showed that modification of canistel flour could decrease brightness and increase a value and decrease b value. Native, HMT-modified, and fermented-modified canistel flour had colors of incarnation, rose pink, and fresh plaster, respectively. In addition, the fermented modified canistel flour tends to have higher total sugar content, although the HMT modified flour tends to decrease compared to the native canistel flour. Modified canistel flour tends to have lower starch, amylose, and amylopectin content than native flour. Morphologically, modifications to canistel flour have no effect on flour morphology.
Keywords: fermentation, heat moisture treatment, modified flour, Pouteria campechiana
INVESTIGASI LISTRIK MIKROHIDRO DI PERKEBUNAN GUNUNG PASANG KECAMATAN PANTI, JEMBER
Authors: Rahmanto Dedy Eko , Wibowo Michael Joko , Fahriannur Ahmad , Ghofur Abdul 
Published: August 2022

Gunung Pasang plantation has a micro-hydro power plant which is used for electricity needs of the factory and the surrounding residents. The micro-hydro power plant is not equipped with an electronic load controller system. The micro-hydro electric voltage can change at any time if there are some changes in consumer load. Micro-hydro electricity investigation is needed to determine the feasibility of the micro-hydro electricity. The investigation was carried out by recording the micro-hydro electricity data which is produced in Gunung Pasang Plantation. Data recording is done by installing a power logger while the micro-hydro turbine operates. The results of the investigation showed that the electric voltage which is generated by Gunung Pasang micro-hydro was fluctuating from less than 100 volts to more than 245 volts with a voltage value that deviated a lot from the 1995 SPLN rule. The average daily voltage which was generated was around 150.34 to 172.18 volts with a standard deviation of 22.11 to 30.67 volts. Micro-hydro operators tried to regulate the work of micro-hydro turbines at all times so the generated voltage could reach the stability. This unstable electrical condition was actually not feasible and had possibility to cause damage to consumer’s electrical equipment. It was necessary to have an electronic load controller system so the outcome of the micro-hydro voltage could be stable and safe.
Keywords: investigation, micro-hydro, voltage