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  • Open Access

    ARTICLE

    A Lightweight IoT Data Security Sharing Scheme Based on Attribute-Based Encryption and Blockchain

    Hongliang Tian, Meiruo Li*

    CMC-Computers, Materials & Continua, Vol.83, No.3, pp. 5539-5559, 2025, DOI:10.32604/cmc.2025.060297 - 19 May 2025

    Abstract The accelerated advancement of the Internet of Things (IoT) has generated substantial data, including sensitive and private information. Consequently, it is imperative to guarantee the security of data sharing. While facilitating fine-grained access control, Ciphertext Policy Attribute-Based Encryption (CP-ABE) can effectively ensure the confidentiality of shared data. Nevertheless, the conventional centralized CP-ABE scheme is plagued by the issues of key misuse, key escrow, and large computation, which will result in security risks. This paper suggests a lightweight IoT data security sharing scheme that integrates blockchain technology and CP-ABE to address the abovementioned issues. The integrity… More >

  • Open Access

    ARTICLE

    Inertial Modes in a Rotating Horizontal Annulus with Boundaries of Different Temperatures and Their Effect on the Averaged Convection

    Alexey Vjatkin*, Svyatoslav Petukhov, Victor Kozlov

    FDMP-Fluid Dynamics & Materials Processing, Vol.21, No.4, pp. 783-798, 2025, DOI:10.32604/fdmp.2025.062535 - 06 May 2025

    Abstract Time-averaged thermal convection in a rotating horizontal annulus with a higher temperature at its inner boundary is studied. The centrifugal force plays a stabilizing role, while thermal convection is determined by the “thermovibrational mechanism”. Convective flow is excited due to oscillations of a non-isothermal rotating fluid. Thermal vibrational convection manifests in the form of two-dimensional vortices elongated along the axis of rotation, which develop in a threshold manner with an increase in the amplitude of fluid oscillations. The objective of the present study is to clarify the nature of another phenomenon, i.e., three-dimensional convective vortices… 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

    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

    Work-family conflict and learning capacity: The mediating role of burnout and subjective well-being

    Zhen-Hong Wang1,2,*, Hai-Long Wu3

    Journal of Psychology in Africa, Vol.35, No.1, pp. 69-73, 2025, DOI:10.32604/jpa.2025.065769 - 30 April 2025

    Abstract We examined the mediating effect of burnout and subjective well-being on the relationship between work-family conflict and learning capacity among college teachers. Using a cross-sectional study design, 422 Chinese college teachers (females = 57.3%, mean years of service = 35.56, SD = 6.38) completed the Work-Family Conflict Questionnaire (WFCQ), the Burnout Scale (BS), the Subjective Well-Being Scale (SWBS), and the Teacher Learning Capacity Evaluation Scale (TLCES). The results indicated that work-family conflict had a direct connection with learning capacity. Moreover, work-family conflict had an indirect association with learning capacity through the sequential mediating roles of More >

  • Open Access

    ARTICLE

    Leader-employee calling congruence and voice behaviour: The mediating role of perceived insider status

    Xiaolin Zhang1, Shujie Li2, Enguo Wang1,*

    Journal of Psychology in Africa, Vol.35, No.1, pp. 75-81, 2025, DOI:10.32604/jpa.2025.065767 - 30 April 2025

    Abstract This study examined the relationship between leader-employee calling congruence on employees’ voice behaviour. Participants were 173 leader-employee dyads from the Chinese service industry. They completed online surveys on calling, perceived insider status, and voice behaviour. Results from polynomial regression and response surface analysis showed that employees perceived insider status to be weaker with the low leader-low subordinate calling congruence, and stronger with high leader and high subordinate calling congruence. Employees perceived insider status is stronger in low leader and high subordinate calling incongruence compared with high leader and low subordinate calling incongruence. Perceived insider status More >

  • Open Access

    ARTICLE

    Bioinformatics and In-Silico Findings Reveal Candidate Genes for Tetralogy of Fallot via Integrative Multi-Omics Data

    Jiawei Shi1,2,3,#, Zhen Wang1,2,3,#, Ying Bai1,2,3, Shiying Li1,2,3, Xin Zhang1,2,3, Tianshu Liu1,2,3, Liu Hong1,2,3, Li Cui1,2,3, Yi Zhang1,2,3, Jing Ma1,2,3, Juanjuan Liu1,2,3, Jing Zhang1,2,3, Haiyan Cao1,2,3,*, Jing Wang1,2,3,*

    Congenital Heart Disease, Vol.20, No.2, pp. 213-229, 2025, DOI:10.32604/chd.2025.064950 - 30 April 2025

    Abstract Background: Tetralogy of Fallot (TOF), the predominant cyanotic congenital heart defect, arises from multifactorial gene-environment interactions disrupting cardiac developmental networks. This study investigated TOF-specific transcriptional alterations and identified high-confidence candidate genes. Methods: Based on GSE36761 transcriptome data, a weighted gene co-expression network analysis (WGCNA) and protein-protein interaction (PPI) network were conducted to identify TOF-related sub-network and Hub genes. The potential biological functions among these genes were revealed by enrichment analysis. Genetic, epigenetic and transcriptional alteration in the Hub genes were analyzed with leveraged public resources: a methylation dataset (GSE62629) and two single-cell datasets (EGAS00001003996 and GSE126128). Results:More >

  • Open Access

    SHORT COMMUNICATION

    Perceived Organisational Support and Job Satisfaction in Workers with Severe Mental Disorders: A Pilot Study

    José Antonio Climent-Rodríguez1, Inmaculada González-Lepe2, Juan Gómez-Salgado3,4,*, Yolanda Navarro-Abal1

    International Journal of Mental Health Promotion, Vol.27, No.4, pp. 507-515, 2025, DOI:10.32604/ijmhp.2025.063497 - 30 April 2025

    Abstract Background: Employment can support the recovery of individuals with Severe Mental Disorders by promoting autonomy, reducing hospital admissions and associated costs, fostering social connections, and providing structure to their daily lives. The objective of this pilot study was to analyse job satisfaction and perceived social support in people with severe mental disorders who are users of an Employment Guidance and Support Service in southern Spain. Methods: A descriptive cross-sectional pilot study was carried out with a sample of 39 workers with mental disorders from the province of Huelva (southern Spain) who were users of the… More >

  • Open Access

    ARTICLE

    The Effect of Performance Pressure on Employee Well-Being: Mediator of Workplace Anxiety and Moderator of Vocational Delay of Gratification

    Ting Wen1, Sainan Mao1, Xiaoqian Fan2,*, Jiayi Wu3

    International Journal of Mental Health Promotion, Vol.27, No.4, pp. 591-606, 2025, DOI:10.32604/ijmhp.2025.057726 - 30 April 2025

    Abstract Background: In the field of organizational behavior, various aspects that have an impact on employee well-being gradually become a focus of attention. Among them, performance pressure, which is a component of workplace stressors that has a great influence on employees’ job performance as well as well-being, has been little studied. Therefore, this paper constructs a research model, which uses workplace anxiety as a mediating variable and vocational delay of gratification as a moderating variable, to explore the impact of performance pressure on employee well-being. Methods: Reliable data were collected by questionnaire method and data analysis… More >

  • Open Access

    ARTICLE

    Experimental Investigation of a Loop Heat Pipe with a Flat Evaporator

    Guoguang Li, Qi Wu, Hanli Bi, Zhichao Jia, Hongxing Zhang*, Jinyin Huang, Jianyin Miao

    Frontiers in Heat and Mass Transfer, Vol.23, No.2, pp. 651-662, 2025, DOI:10.32604/fhmt.2025.062191 - 25 April 2025

    Abstract The loop heat pipe with a flat evaporator is mainly divided into two forms: rectangular evaporator and disk-shaped evaporator. The rectangular evaporator has advantages such as low heat leakage, a thin shell, and a large contact area compared to the disk-shaped evaporator. However, most of the research on rectangular evaporators focuses on working fluids such as water, methanol, and acetone, when these working fluids are in operation, the internal pressure of the evaporator is less than atmospheric pressure. Ammonia, propylene, and other working fluids can also be utilized in the loop heat pipe, these working… More > Graphic Abstract

    Experimental Investigation of a Loop Heat Pipe with a Flat Evaporator

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