bluuebunny/crossref_metadata_2025_split huggingface dataset:
РАЗРАБОТКА НОВЫХ АППАРАТОВ ДЛЯ СМЕШЕНИЯ СЫПУЧИХ СРЕД С ПОДВИЖНЫМИ РАССЕИВАТЕЛЯМИ
Authors: Д.В. Лебедев , А.А. Ватагин , А.Е. Лебедев , А.Б. Капранова , И.С. Гуданов , Д.С. Долгин 
Published: November 2024

В химической и других отраслях промышленности при проведении процессов смешивания сыпучих сред достаточно часто имеет место возникновение нежелательного процесса – сегрегации смеси, то есть ее разделение в процессе получения и выгрузки [1, 2]. Наличие сегрегации существенно ухудшает ее однородность, повышает время смешивания и увеличивает затраты энергии. Установлено, что наиболее интенсивная сегрегация вызвана различием плотностей и размеров частиц смешиваемых материалов. Кроме того, процесс сегрегации также происходит при выгрузке готовой смеси, тем самым нарушая (ухудшая однородность) сформировавшуюся смесь. При смешивании сыпучих сред во многих процессах химических технологий наибольшая интенсивность разделения смеси происходит из-за сегрегации по плотности и размерам. Большинство смесителей хорошо справляются со своей задачей. Это характерно для тех случаев, когда частицы имеют близкие размеры, плотность, форму и другие параметры. Однако при смешивании материалов, частицы которых отличаются по вышеуказанным признакам, часто имеет место сегрегация – явление, приводящие к разделению смеси. Для смешивания таких материалов необходимо использовать специальное смесительное оборудование, позволяющие нейтрализовать эффект сегрегации [1, 2].
In chemical and other industries, when mixing bulk media, an undesirable process often occurs – segregation of the mixture, that is, its separation during receipt and unloading [1, 2]. The presence of segregation significantly worsens its uniformity, increases mixing time and increases energy costs. It has been found that the most intense segregation is caused by the difference in the densities and particle sizes of the materials being mixed. In addition, the segregation process also occurs when unloading the finished mixture, thereby disrupting (worsening the uniformity) of the formed mixture. When mixing bulk media in many processes of chemical technologies, the greatest intensity of separation of the mixture occurs due to segregation in density and size. Most faucets do their job well. This is typical for those cases when the particles have similar sizes, density, shape and other parameters. However, when mixing materials whose particles differ in the above characteristics, segregation often occurs – a phenomenon that leads to the separation of the mixture. To mix such materials, it is necessary to use special mixing equipment to neutralize the effect of segregation [1, 2].
ПРИМЕНЕНИЕ ОЦЕНКИ НЕОПРЕДЕЛЕННОСТИ РЕЗУЛЬТАТА ИЗМЕРЕНИЯ ДЛЯ ОПРЕДЕЛЕНИЯ ПОКАЗАТЕЛЕЙ КАЧЕСТВА ОБРАЗЦОВ РАВНОВЕСНОГО КАТАЛИЗАТОРА КРЕКИНГА
Authors: А.А. Егорова , Л.Г. Варепо 
Published: November 2024

При производстве катализаторов основным показателем качества является содержание в них различных веществ. Знание химического состава выпускаемой продукции необходимо для выпуска качественных и безопасных катализаторов, удовлетворяющих заявленным продавцом характеристикам. В связи с обновлением парка приборов для контроля и повышения точности показателей качества в процессе производства современных катализаторов нефтепереработки необходимо вводить новые методики испытаний с использованием более точного оборудования и совершенствовать метрологическое обеспечение. В данной работе проведен сравнительный анализ результатов определения массовой доли оксидов натрия, железа, алюминия и редкоземельных элементов образца равновесного катализатора крекинга с использованием AAnalyst 400, UNICO-1200, метода титрования с результатами, полученными при помощи Avio 200.Погрешность измерения показателей качества катализаторов оценивали с учетом неопределенности результата измерения.
In the production of catalysts, the main indicator of quality is the content of various substances in them. Knowledge of the chemical composition of manufactured products is necessary to produce high-quality and safe catalysts that meet the characteristics declared by the seller. In connection with updating the fleet of instruments for monitoring and increasing the accuracy of quality indicators in the production process of modern oil refining catalysts, it is necessary to introduce new test methods using more accurate equipment and improve metrological support. In this work, a comparative analysis of the results of determining the mass fraction of oxides of sodium, iron, aluminum and rare earth elements of a sample of an equilibrium cracking catalyst using the AAnalyst 400, UNICO-1200, titration method with the results obtained using Avio 200 was carried out. The error in measuring the quality indicators of the catalysts was assessed with considering the uncertainty of the measurement result.
EFFICIENCY OF URBAN PASSENGER TRANSPORT BY BUS: AN APPLICATION TO THE CASE OF CUENCA-ECUADOR
Authors: Maxi Juan Carlos Aguirre , Morales Soledad Escandón , Yumbla Jonnathan Jiménez 
Published: November 2024

Objective: The study aims to analyze the technical and scale efficiency of public transportation in Cuenca, Ecuador, using Data Envelopment Analysis (DEA). It evaluates both supply and demand aspects.

Theoretical Framework: DEA measures the efficiency of decision-making units (DMUs) in using inputs to produce outputs. It's widely used to assess public transportation efficiency by comparing resource usage and service outcomes.

Method: The study analyzes 37 DMUs, considering kilometers traveled, number of frequencies, and total fleet as inputs, and operating costs and passenger demand as outputs.

Results and Discussion: DEA_Demand showed a 90% technical efficiency and 45% scale efficiency. DEA_Offer showed 94% and 96% efficiency, respectively, highlighting the potential for adjustments in both approaches.

Research Implications: The findings help policymakers optimize resource allocation and improve public transport services.

Originality/Value: The study uniquely combines supply and demand analysis using DEA in a mid-sized city like Cuenca, offering actionable insights.
APLICACIÓN WEB DATA CENTER, COMO UNA SOLUCIÓN INTEGRAL PARA EL MANEJO Y CONTROL EFICIENTE DE LA INFORMACIÓN EN UN ENTE DE GOBIERNO DE LA CDMX
Authors: Aguilar Martha Susana Brauer , Bojorges Gerardo Quiroz , Torres Arturo González 
Published: November 2024

Objetivo: El propósito es evaluar la aplicación web Data Center en uma companhia del sector público de la CDMX, la cual pretende automatizar los procesos administrativos y mejorar la gestión de la información.

Marco Teórico: La investigación se fundamenta en la corriente de la Administración Pública Contemporánea (APC), un enfoque que persigue la optimización y efectividad en el ámbito gubernamental a través de la implementación de recursos tecnológicos como las Tecnologías de la Información y Comunicación (TIC), las cuales contribuyen a mejorar los procedimientos administrativos y promover la transparencia. Se destaca el emplear aplicaciones web como una estrategia para agilizar la gestión y estructuración de datos.

Método: Se empleó un paradigma cualitativo, el cual se basó en el diseño lineal secuencial para desarrollar el software. Para la recolección de la información, se llevó a cabo a través de la aplicación y la evaluación de su uso por parte de los empleados.

Resultados y Discusión: Una vez implementada la aplicación, está ayudó a la mejora significativamente de la organización y resguardo de la información; además, se redujo el uso de documentos físicos y facilitó el acceso a datos de manera rápida y eficiente.

Implicaciones de la investigación: El estudio enfatiza el empleo de las TIC en el ámbito público, donde se resalta la importancia que tiene la modernización de los procesos a través de la transformación digital, la cual trae consigo el aumento de la productividad.

Originalidad/Valor: La investigación enriquece a la literatura sobre la nueva gestión pública, ya que, demuestra cómo la transformación digital en las actividades puede ser una solución innovadora para las empresas; además, ayuda a la gestión de sus datos y brinda un enfoque práctico​.
Impact of General Wellbeing, Working Conditions, Job and Career Satisfaction, Control at Work and Stress at Work on Burnout among Nurses of Pakistan
Authors: Siddiqui Razi Sultan , Khan Azam Anwar , Sultan Lala Rukh , Sami Zarafshan 
Published: November 2024

Purpose: The aim of this research is to focus on the Quality of work life of Nurses and see its impact on burn outs of Nurses especially during the course of Novel Covid -19 Pandemic in Pakistan.
Design/Methodology/Approach: There were 257 nurses in the sample (female 149 and 108 male). Replicability is another factor that is taken into consideration for the credibility of this research to gain confidence through research of the same type that has been conducted. The purposive sampling is utilized to ensure that nurses have the necessary specialised knowledge, as well as the desire and potential to take part in the study and an awareness of the issues. Smart PLS version 4.0 for the structural equation mode has been utilized in the study.
Findings: This study's findings corroborate that the quality of work life scales discussed here have an impact on the burnout of Pakistani nurses. These findings show that Pakistani nurses take stress at work positively influence their burnout while control at work and job and career satisfaction influence burnout negatively among them. Moreover, other findings reveal that working conditions and general wellbeing doesn’t affect burnout in Pakistani nurses which may be due to nature of their job or they got use to of these working conditions during Covid-19 by using Covid-19 preventive measures.
Implications/Originality/Value: Nurse burnout and its psychological and social consequences are a major problem for all health care systems around the world. If we care about the stress at work due to their extra job responsibilities and give them empowerment at work as well as give them more incentives at jobs they will be more than happy to serve patients.
Effect of Gadolinium Doping on the Structure of Ce1-xGdxO2-x/2 Solid Solutions Prepared by Ionic Gelation Approach
Authors: Ilcheva V. , Boev V. , Lefterova E. , Avdeev G. , Dimitrov O. , Bojanova N. , Kolev H. , Petkova T. 
Published: November 2024

The current research aims to present the structural characterization of Gd-doped ceria powders and ceramics, investigating the structural evolution resulting from cerium substitution with Gd across the entire composition range from 0 to 100 mol.% Gd2O3. Ce1-xGdxO2-x/2 powders with varying Gd contents (0 ≤ x ≤ 1) were synthesized using the ionic gelation method followed by thermal annealing. The resulting powders were subjected to high-temperature treatment to obtain ceramics. Characterization methods included X-ray diffraction (XRD) to identify phase composition and confirm the formation of Ce1-xGdxO2-x/2 solid solutions, infrared spectroscopy (IR) and scanning electron microscopy (SEM) for structural and morphological studies, and X-ray photoelectron spectroscopy (XPS) to evaluate the electronic structure. Comparative analysis of Gd-doped calcined powders and sintered pellets revealed the impact of thermal treatment on the structural features of the resulting solid solutions, elucidating the influence of gadolinium substitution. The novelty of this research lies in demonstrating the successful preparation of Ce1-xGdxO2-x/2solid solutions via an alginate-mediated ion-exchange process and providing a detailed structural investigation over the entire range of dopant concentrations. This assessment highlights the feasibility for further research of these materials as suitable candidates for intermediate-temperature solid oxide fuel cells (IT-SOFCs) or catalyst applications. Doi: 10.28991/ESJ-2024-08-05-01 Full Text: PDF
Extreme Rainfall Trends and Hydrometeorological Disasters in Tropical Regions: Implications for Climate Resilience
Authors: Yanfatriani Elsa , Marzuki Marzuki , Vonnisa Mutya , Razi Pakhrur , Hapsoro Cahyo A. , Ramadhan Ravidho , Yusnaini Helmi 
Published: November 2024

Hydrometeorological disasters due to extreme weather events represent a significant threat to the security of life in Jambi Province. In order to develop effective strategies for mitigating this threat, it is essential to gain a comprehensive understanding of the underlying dynamics that give rise to such disasters. Despite the high frequency of these events, more research is needed on the complex relationship between trends in extreme indices and the frequency of hydrometeorological disasters in this region. This study addresses this gap by utilizing rainfall data from 2008 to 2020 from the Integrated Multi-satellite Retrievals for GPM (IMERG) and hydrometeorological disaster data from the National Disaster Management Agency (BNPB). A range of extreme rainfall indices, including PRCPTOT, R85P, R95P, R99P, CWD, CDD, R1mm, R10mm, R20mm, R50mm, RX1Day, RX5Day, and SDII, were subjected to careful analysis concerning hydrometeorological disasters, including floods, landslides, tornadoes, droughts, and forest fires. Notable results indicate a significant increasing trend (p < 0.05) for the CWD index, while decreasing trends are observed for R85P, R95P, R99P, R50mm, RX1Day, RX5Day, and SDII. PRCPTOT and R20mm show decreasing trends, and CDD shows an increasing trend, although it is not statistically significant (p > 0.05). Subsequently, there was a significant increase in landslides and tornadoes, while forest fires and floods showed an insignificant increase (p > 0.05). Drought exhibited a significant decreasing trend in Jambi. Correlation analysis revealed the complex relationship between extreme weather indices and hydrometeorological disasters. The positive correlations observed between most extreme rainfall indices and floods and landslides, except for CDD, indicate that extreme rainfall is the primary cause of these disasters in Jambi. The correlation is particularly pronounced in areas with mountainous topography, where landslides are more prevalent. The positive correlations observed between CDD and droughts and forest fires suggest that periods of reduced rainfall and increased drought contribute to these disasters. This correlation is more robust in districts with extensive peatlands. The results provide valuable insights into the vulnerability of Jambi Province to hydrometeorological disasters and highlight the importance of understanding regional variations in extreme weather events. These findings improve our understanding of the interactions between climate indices and disasters and provide the basis for informed risk reduction and adaptation strategies in changing climatic conditions. Doi: 10.28991/ESJ-2024-08-05-012 Full Text: PDF
A New Vision for Enhancing Women’s Leadership Role in Higher Education Decision-Making
Authors: Tlepina Sholpan , Sarsembayev Marat , Abaideldinov Yerbol , Balmagambetova Venera , Zhunusbekova Aigerim 
Published: November 2024

Legal issues of gender equality and the principle of inadmissibility of discrimination against women in all spheres of life are becoming relevant worldwide, including in the Republic of Kazakhstan. This study aims to show ways to enhance the role of women in the higher education system, which is necessary to implement the principle of real equality in relationships with men, the principle of fair distribution of managerial positions without gender discrimination, and the implementation of leadership activities by women due to their managerial potential. To achieve this goal, the authors have researched this topic in a comparative legal format, comparing the practice and legal peculiarities of Kazakhstan and some developed countries. We used logical analysis, comparative legislative analysis, legal analysis, and legal forecasting. Kazakh legislative acts that promote the expansion of women’s rights while enhancing the role of women in higher education were analyzed. The practical results of the study consist in the formulation and justification of organizational and legal ways to increase the leadership role of women in higher education in the Republic. The scientific novelty lies in the previously unexplored topic of gender equality in the higher education system of Kazakhstan from a legal viewpoint. The conclusion about gender asymmetry should encourage other researchers to study this problem on a larger scale and deepen the understanding that only clearly, competently, and equally selected leaders of both sexes can positively influence the accelerated development of the higher education system and ensure the actual competitiveness of Kazakhstani universities and their graduates. Doi: 10.28991/ESJ-2024-08-05-016 Full Text: PDF
Effects of Social Media Marketing Activities on Perceived Values, Online Brand Engagement, and Brand Loyalty
Authors: Nguyen Ngoc Minh , Nguyen Huyen Thi , Cao Thao Anh 
Published: November 2024

This study aims to validate the model on the effects of social media marketing activities on the perceived values of social media marketing activities and the effects of these perceived values on online brand engagement and, consequently, on brand loyalty. The data used in this study were collected through an online self-administered survey of 501 young social media users in Vietnam. Partial Least Squares Algorithm, Bootstrapping, PLSpredict/CVPAT, and Multi-Group Analysis methods embedded in Smart-PLS software were used to validate the measurement model and test the research hypotheses. The findings confirm that the positive effects of social media marketing activities on brand loyalty are transmitted through the perceived values of these activities and online brand engagement. These effects are more substantial for luxury brands compared to non-luxury brands. Importantly, our study offers a new approach to explaining the impact of social media marketing activities on brand loyalty by focusing on the perceived values of these activities and their effects on online brand engagement. To enhance brand loyalty, businesses should prioritize creating hedonic and utilitarian values through their social media marketing activities and use these values and online brand engagement as key performance indicators for planning and controlling their strategies. Doi: 10.28991/ESJ-2024-08-05-017 Full Text: PDF
Adaptive Strategies: Algorithmic Analysis of Pre- and Post-Pandemic Manager-Frontline Employee Communication Model in Restaurants
Authors: Gutiérrez María D. Lozano , Rojas López Franco , Ochoa Guadalupe Rovira 
Published: November 2024

The aim of this study is to determine the impact of the COVID-19 pandemic on an independent restaurant chain in Puebla, Mexico, through longitudinal censuses with employees who had direct contact with diner guests (frontline employees) in 2019 and 2023. The survey data was analyzed through the algorithm Synthetic Minority Over-sampling Technique (SMOTE) to balance sample sizes and Information Gain to determine the dependence between the study variables. The results revealed the health crisis has led to changes in pivotal factors that drove better performance from frontline employees and managers in restaurants in Mexico. After the pandemic, frontline employees began to favor standard compliance due to the reinforcement of hygiene protocols. However, there are implications for the structure of teams and work styles on account of the decline in the number of frontline employees and the creation of multifunctional positions. Regarding the manager's factors, Linear Communication, which consists of providing clear and timely information, has become more relevant. While, there has been a decrease in Dynamic Communication oriented towards dialogue and Productive Communication focused on participation and the achievement of objectives. COVID-19 has accentuated the vulnerability of female frontline employees, who, since the pandemic, occupy multifunctional positions; the number of employees has decreased in greater proportion than the number of restaurants that have closed, impacting team dynamics; the most affected restaurants are located in automotive industrial parks, while restaurants in tourist or commercial areas have managed to maintain their workforce. The selected independent restaurant chain has focused on the functional aspects of the restaurant, as denoted by their current transactional leadership style and hierarchical organizational culture. However, there is an important theoretical implication related to the post-pandemic context, characterized by the presence of multifunctional roles and the pressure to meet customer service standards. Frontline employees have adopted individualistic behaviors, negatively impacting collaborative teamwork. These finding challenges existing literature that often emphasizes the positive aspects of employee empowerment and multifunctionality; it suggests that, under certain conditions, these factors may inadvertently hinder team cohesion and collaborative efforts. This study highlights the need to capitalize on Mexican restaurants by not only valuing the strategies from senior management but also by incorporating interpersonal perspectives from frontline employees to improve the organization in procedural and relational terms to adapt to future crises. Doi: 10.28991/ESJ-2024-08-05-021 Full Text: PDF
A New Concept of Techno-Economic Institutions within Institutional Economics: Integrating Technologies and Institutional Frameworks
Authors: Shkalenko Anna V. , Kozlova Svetlana A. 
Published: November 2024

This study investigates the concept of techno-economic institutions within institutional economics, focusing on the integration of technologies into economic frameworks to foster development. The primary objective is to introduce and advocate for the novel concept of “techno-economic institutions,” which is essential for embedding technologies into the socio-economic environment. This research employs a comprehensive methodological approach, including theoretical analysis, literature review, comparative studies, and case studies, to develop a new analytical model and provide fresh insights. The key findings include a comparative analysis of the interplay between institutions and technologies, a variational model detailing the life cycles of General-Purpose Technologies (GPTs), and an in-depth examination of institutional roles. The econometric models developed in this study demonstrate the significant impact of ICT patents and SCM systems on government efficiency, empirically validating the proposed theoretical framework. This paper contributes to the academic discourse by offering a methodologically robust and empirically substantiated examination of technological advancements in institutional frameworks, highlighting the importance of flexible institutional structures capable of adapting to technological change. These insights provide actionable recommendations for policymakers and suggest strategic investments in technological infrastructure to enhance government performance. Future research should explore the generalizability of these findings in different institutional contexts and examine variability in technology-institution interactions across diverse geopolitical landscapes. Doi: 10.28991/ESJ-2024-08-05-022 Full Text: PDF