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  • Open Access

    REVIEW

    Digital Twins in the IIoT: Current Practices and Future Directions Toward Industry 5.0

    Bisni Fahad Mon1, Mohammad Hayajneh1,2,*, Najah Abu Ali1, Farman Ullah1, Hikmat Ullah3, Shayma Alkobaisi4

    CMC-Computers, Materials & Continua, Vol.83, No.3, pp. 3675-3712, 2025, DOI:10.32604/cmc.2025.061411 - 19 May 2025

    Abstract In this paper, we explore the ever-changing field of Digital Twins (DT) in the Industrial Internet of Things (IIoT) context, emphasizing their critical role in advancing Industry 4.0 toward the frontiers of Industry 5.0. The article explores the applications of DT in several industrial sectors and their smooth integration into the IIoT, focusing on the fundamentals of digital twins and emphasizing the importance of virtual-real integration. It discusses the emergence of DT, contextualizing its evolution within the framework of IIoT. The study categorizes the different types of DT, including prototypes and instances, and provides an… More >

  • Open Access

    REVIEW

    Experimental Advances in Airfoil Dynamic Stall and Transition Phenomena

    Dapeng Zhang*, Yifan Xie, Yining Zhang, Zhengjie Liang, Yutao Tian

    FDMP-Fluid Dynamics & Materials Processing, Vol.21, No.4, pp. 697-739, 2025, DOI:10.32604/fdmp.2025.061829 - 06 May 2025

    Abstract Airfoil structures play a crucial role across numerous scientific and technological disciplines, with the transition to turbulence and stall onset remaining key challenges in aerodynamic research. While experimental techniques often surpass numerical simulations in accuracy, they still present notable limitations. This paper begins by elucidating the fundamental principles of transition, dynamic stall, and airfoil behavior. It then provides a systematic review of six major experimental methodologies and examines the emerging role of artificial intelligence in this domain. By identifying key challenges and limitations, the study proposes strategic advancements to address these issues, offering a foundational More > Graphic Abstract

    Experimental Advances in Airfoil Dynamic Stall and Transition Phenomena

  • Open Access

    ARTICLE

    Living amongst the dead: How morticians coped during the COVID-19 pandemic

    Melissa Mashaba1, Curwyn Mapaling2,*, Wandile F. Tsabedze3

    Journal of Psychology in Africa, Vol.35, No.1, pp. 29-35, 2025, DOI:10.32604/jpa.2025.066007 - 30 April 2025

    Abstract The coronavirus disease (COVID-19) pandemic introduced significant psychosocial stressors for morticians in South Africa, yet their coping mechanisms remain underexplored. This study investigated how South African morticians (N = 10, Black males) coped with these stressors during the pandemic through semi-structured interviews. Interpretative phenomenological analysis (IPA) informed thematic analysis identified five themes: (i) death overload distress associated with trauma and fear of exposure; (ii) insomnia due to worry, workload, and fear of infection; (iii) stigmatisation from community avoidance and negative perceptions; (iv) social isolation and anxiety related to emotional disconnection, personal protective equipment (PPE) shortages, More >

  • Open Access

    ARTICLE

    The role of psychological resilience and career adaptability in the relationship between perceived social support and employment anxiety among college students

    Hao Fang1, Xiaoyu Xu2,*

    Journal of Psychology in Africa, Vol.35, No.1, pp. 151-157, 2025, DOI:10.32604/jpa.2025.065786 - 30 April 2025

    Abstract This study explored the relationship between perceived social support and employment anxiety among Chinese college students, as well as the mediating and moderating effects of psychological resilience and career adaptability on this relationship. A total of 1928 college students (females = 1371, mean age = 20.42, SD = 1.05) completed the Perceived Social Support Scale, Employment Anxiety Questionnaire, Connor-Davidson Resilience Scale and Career Adapt-Abilities Scale. Mediation analysis results showed that psychological resilience mediated the relationship between perceived social support and employment anxiety for lower employment anxiety. Career adaptability moderated the mediating effect of psychological resilience More >

  • Open Access

    ARTICLE

    Exploring how pay fairness perception affects preschool teachers’ job performance in China: A moderated mediation analysis

    Xiaoying Zeng1,*, Ying Liu2, Yufei Li2, Yongping Yu2

    Journal of Psychology in Africa, Vol.35, No.1, pp. 91-97, 2025, DOI:10.32604/jpa.2025.065779 - 30 April 2025

    Abstract This study constructed a moderated mediation model to examine how the social support received by teachers is associated with their work pay fairness perception in relation to their job satisfaction and job performance. Data were collected from 2411 preschool teachers in China (female = 98.01%; mean age = 29.12 years, SD = 6.28 years). These data were analyzed using structural equation modelling, bootstrapping and latent moderate structural equations. The results indicated that teachers’ perception of pay fairness is directly associated with self-rated job performance. Additionally, pay fairness perceptions have an indirect effect on higher job More >

  • Open Access

    ARTICLE

    Longitudinal association between habitual mobile phone use and subjective well-being among university students: The chain mediating effect of self-management and learning burnout

    Pei Jiang1, Ziyue Shu1, Shuqin Li1,*, Qianrong Liu2, Weihua Wang1

    Journal of Psychology in Africa, Vol.35, No.1, pp. 127-133, 2025, DOI:10.32604/jpa.2025.065777 - 30 April 2025

    Abstract This longitudinal study investigated how self-management and learning burnout influences the relationship between habitual mobile phone use and subjective well-being among first-year university students. A sample of 1172 Chinese university students participated in a two-wave survey, with data collected six months apart at two time points (T1, T2). The results of Pearson correlation revealed that higher habitual mobile phone use at T1 was associated with lower subjective well-being at T2. Self-management was associated with healthy phone use habits and higher subjective wellbeing. Learning burnout risk was higher with habitual phone usage. Lower self-management and learning More >

  • Open Access

    ARTICLE

    Shyness and problematic social media use among Chinese adolescents: The mediating role of psychological insecurity and the moderating role of relational-interdependent self-constructs

    Xiang Shi1,2,3, Ju Feng1,2,3, Ming Gong1,2,3, Yingxiu Chen1,2,3, Jianyong Chen1,2,3,*

    Journal of Psychology in Africa, Vol.35, No.1, pp. 143-150, 2025, DOI:10.32604/jpa.2025.065772 - 30 April 2025

    Abstract While the relation between shyness and problematic social media use (PSMU) among adolescents has been established, the mediating and moderating mechanisms underlying this association remain largely unexplored. The present study examined whether psychological insecurity mediated the association between shyness and adolescents’ PSMU and whether this mediation was moderated by relational-interdependent self-construal (RISC). A total of 1506 Chinese adolescents (Mage = 13.74 years, SD = 0.98) filled out self-report measures of shyness, psychological insecurity, RISC, and PSMU. SPSS (version 23.0) and the PROCESS macro (version 4.1) were employed to test the proposed model. Mediation analyses indicated that… More >

  • Open Access

    ARTICLE

    A Tense Race: Correlation of Liver Stiffness with Ultrasound Elastography and Hemodynamics in Fontan Patients

    Yuen Lo Yau1, Matthew S. Purlee2, Lindsey M. Brinkley2, Dipankar Gupta1, David M. Saulino3, Dalia Lopez-Colon1, John-Anthony Coppola1, Dhanashree Rajderkar4, Himesh Vyas1,*

    Congenital Heart Disease, Vol.20, No.2, pp. 265-272, 2025, DOI:10.32604/chd.2025.065661 - 30 April 2025

    Abstract Background: Patients with Fontan physiology are predisposed to congestive hepatopathy, progressive liver fibrosis, and end-stage liver disease. Ultrasound-based shear wave elastography (SWE) is a non-invasive tool to diagnose and monitor liver fibrosis. We sought to determine whether the degree of hemodynamic derangement prior to and after the Fontan operation is associated with increased liver stiffness measured by SWE. Methods: A single-center retrospective study of patients with Fontan circulation who underwent ultrasound elastography between 2008 and 2024 was conducted. Liver stiffness was measured by SWE and reported as velocity in m/s. Hemodynamic assessment with cardiac catheterization and… More >

  • Open Access

    ARTICLE

    When Parents Worry: How Parental Educational Anxiety Impacts Adolescent Academic Success through Depression, Self-Efficacy, and Social Media

    Haohan Zhao1, Xingchen Zhu2, Wencan Li3,*, Xin Lin4,*

    International Journal of Mental Health Promotion, Vol.27, No.4, pp. 517-540, 2025, DOI:10.32604/ijmhp.2025.062739 - 30 April 2025

    Abstract Background: Despite increasing attention to parental educational anxiety in China’s educational system, the underlying mechanisms through which this anxiety affects adolescent academic performance remain unclear. This study aims to investigate how parental educational anxiety influences academic outcomes through depression and self-efficacy while considering the role of problematic social media use in today’s digital age. Methods: Data analysis was conducted using stratified random cluster sampling techniques. Participants for this study were recruited from middle and high schools in China. The sample comprised 2579 traditional two-parent families, each consisting of a pair of parents and one child.… More >

  • Open Access

    ARTICLE

    What Factors Predict Prosocial Behavior during Social Crisis? A Cross-Sectional Study during the COVID-19 Pandemic in Spain

    Agar Marín-Morales1,2,*, Sofia Amaoui2, Carmen Fernández-Fillol2,3,4, Gustavo Carlo5, Sandra Rivas-García2,6

    International Journal of Mental Health Promotion, Vol.27, No.4, pp. 561-576, 2025, DOI:10.32604/ijmhp.2025.058881 - 30 April 2025

    Abstract Background: Prosocial behavior plays a crucial role in improving interpersonal relationships and social well-being, especially in times of crisis. The COVID-19 pandemic caused a severe humanitarian crisis, prompting governments to implement measures such as social confinement. The main objective of the study was to analyze the psychological and sociodemographic variables that may predict prosocial behavior during quarantine. Methods: The sample consisted of 172 participants from Spain, divided into two groups based on whether they reported an increase in prosocial behaviors during quarantine. An online survey was administered to analyze the psychological and sociodemographic variables. Results: Overall, More >

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