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  • Open Access

    ARTICLE

    Physio-Mechanical Characterization of Recycled Polyethylene Terephthalate and Soda-Lime Glass Waste Composite for Roof Tile Application

    Yusuf Olanrewaju Busari1,2,*, Issah Sadiq Ibrahim1, Kabir S. Ajao1, Norliana Mohd Abbas2, James Obafemi Adegbola1, Hassan Kobe Ibrahim3, Abdallah Reghioua4, Yusuf Lanre Shuaib-Babata1, Rachael Oluwatoyosi Idowu1

    Journal of Polymer Materials, Vol.41, No.3, pp. 117-129, 2024, DOI:10.32604/jpm.2024.055895 - 30 September 2024

    Abstract The research paper focuses on manufacturing composite materials from waste polyethylene terephthalate (PET) reinforced with soda-lime glass to provide a lightweight, less brittle, and high rust resistance when exposed to hazardous environment. In developing nations such as Nigeria, there is a significant surge in the volume of bottled water and other packaging materials used in households, leading to a rapid accumulation of biodegradable waste, that presents concerns such as the creation of landfills and health issues. PET are thermoplastic polymer that can be melted and shaped into various objects. This study involves the incorporation of… More >

  • Open Access

    REVIEW

    A Review on Security and Privacy Issues Pertaining to Cyber-Physical Systems in the Industry 5.0 Era

    Abdullah Alabdulatif1, Navod Neranjan Thilakarathne2,*, Zaharaddeen Karami Lawal3,4,*

    CMC-Computers, Materials & Continua, Vol.80, No.3, pp. 3917-3943, 2024, DOI:10.32604/cmc.2024.054150 - 12 September 2024

    Abstract The advent of Industry 5.0 marks a transformative era where Cyber-Physical Systems (CPSs) seamlessly integrate physical processes with advanced digital technologies. However, as industries become increasingly interconnected and reliant on smart digital technologies, the intersection of physical and cyber domains introduces novel security considerations, endangering the entire industrial ecosystem. The transition towards a more cooperative setting, including humans and machines in Industry 5.0, together with the growing intricacy and interconnection of CPSs, presents distinct and diverse security and privacy challenges. In this regard, this study provides a comprehensive review of security and privacy concerns pertaining… More >

  • Open Access

    ARTICLE

    Physical Layer Security of 6G Vehicular Networks with UAV Systems: First Order Secrecy Metrics, Optimization, and Bounds

    Sagar Kavaiya1, Hiren Mewada2,*, Sagarkumar Patel3, Dharmendra Chauhan3, Faris A. Almalki4, Hana Mohammed Mujlid4

    CMC-Computers, Materials & Continua, Vol.80, No.3, pp. 3685-3711, 2024, DOI:10.32604/cmc.2024.053587 - 12 September 2024

    Abstract The mobility and connective capabilities of unmanned aerial vehicles (UAVs) are becoming more and more important in defense, commercial, and research domains. However, their open communication makes UAVs susceptible to undesirable passive attacks such as eavesdropping or jamming. Recently, the inefficiency of traditional cryptography-based techniques has led to the addition of Physical Layer Security (PLS). This study focuses on the advanced PLS method for passive eavesdropping in UAV-aided vehicular environments, proposing a solution to complement the conventional cryptography approach. Initially, we present a performance analysis of first-order secrecy metrics in 6G-enabled UAV systems, namely hybrid… More >

  • Open Access

    ARTICLE

    Analysis and Modeling of Mobile Phone Activity Data Using Interactive Cyber-Physical Social System

    Farhan Amin, Gyu Sang Choi*

    CMC-Computers, Materials & Continua, Vol.80, No.3, pp. 3507-3521, 2024, DOI:10.32604/cmc.2024.053183 - 12 September 2024

    Abstract Mobile networks possess significant information and thus are considered a gold mine for the researcher’s community. The call detail records (CDR) of a mobile network are used to identify the network’s efficacy and the mobile user’s behavior. It is evident from the recent literature that cyber-physical systems (CPS) were used in the analytics and modeling of telecom data. In addition, CPS is used to provide valuable services in smart cities. In general, a typical telecom company has millions of subscribers and thus generates massive amounts of data. From this aspect, data storage, analysis, and processing… More >

  • Open Access

    ARTICLE

    Linking 24-h Movement Behavior Guidelines to Cognitive Difficulties, Internalizing and Externalizing Problems in Preterm Youth

    Zhihui Cheng1, Ailikute Aikeremu1, Yanping Gao1,*, Zhihao Zhang1, Anthony G. Delli Paoli2, Paolo Marcello Cunha3, Alyx Taylor4, Fabian Herold5, Liye Zou1

    International Journal of Mental Health Promotion, Vol.26, No.8, pp. 651-662, 2024, DOI:10.32604/ijmhp.2024.055351 - 30 August 2024

    Abstract Background: Given the heightened risk of developmental challenges associated with preterm birth, it is crucial to explore interventions that may ameliorate potential adverse outcomes. This study aimed to examine whether meeting the 24-h movement behavior (24-HMB) guidelines, which include recommendations on physical activity (PA), screen time (ST), and sleep (SL), is related to indicators of cognitive difficulties, internalizing problems (e.g., depression and anxiety), and externalizing problems (e.g., difficulties in making friends and arguing) in a sample of preterm youth (children and adolescents born preterm). Method: In this cross-sectional study, data from 3410 preterm youth (aged… More >

  • Open Access

    ARTICLE

    Tendency to Avoid Physical Activity and Sport: Associations with Weight Stigma, and Psychological Distress in a Two-Wave Longitudinal Study

    Saffari Mohsen1,2,#, Yi-Ching Lin3,#, Po-Ching Huang4, Yu-Ting Huang5, Ru-Yi Huang6,7, Chi Hsien Huang8,9,*, Jung-Sheng Chen10, Wai Chuen Poon11, Mark D. Griffiths12, Chung-Ying Lin5,13,14,15,*

    International Journal of Mental Health Promotion, Vol.26, No.8, pp. 633-641, 2024, DOI:10.32604/ijmhp.2024.053432 - 30 August 2024

    Abstract Background: Physical inactivity is a major public health problem worldwide that results in physical and mental health problems. One major issue for physical inactivity is weight stigma (WS), especially perceived WS, which could lead to a tendency to avoid physical activity (PA). To better understand the association between perceived WS and PA, knowledge of the likely mediators in this association such as weight bias internalization (WBI) and psychological distress were investigated in the present study. Methods: Using a two-wave longitudinal study and convenient sampling, 388 Taiwanese participants (55% females; mean age = 29.7 years [SD… More >

  • Open Access

    ARTICLE

    The Effect of Procrastination on Physical Exercise among College Students—The Chain Effect of Exercise Commitment and Action Control

    Wenjuan Zhang1, Menglin Xu2, Yujuan Feng3, Zhixiong Mao4,*, Zengyin Yan5

    International Journal of Mental Health Promotion, Vol.26, No.8, pp. 611-622, 2024, DOI:10.32604/ijmhp.2024.052730 - 30 August 2024

    Abstract Background: Exercise procrastination is prevalent among college students, causing decline in physical fitness. It is imperative to investigate the mechanism affecting college students’ physical activity behaviors. This study was aimed at investigating the effect of procrastination on college students’ physical exercise behavior, and the chain mediation effects of exercise commitment and action control (AC), to provide a theoretical basis for interventions targeting physical exercise behavior among college students. Methods: A questionnaire survey was conducted using convenience sampling. The General Procrastination Scale, Exercise Commitment Scale, Action Control Scale, and Physical Activity Rating Scale-3 questionnaires were used.… More >

  • Open Access

    ARTICLE

    Production and Characterization of a Composite Based on Plaster and Juncus Maritimus Plant Fibers

    Mina Amazal1,*, Soumia Mounir1,2, Asma Souidi1, Malika Atigui1, Slimane Oubeddou1, Youssef Maaloufa1,2, Ahmed Aharoune1

    FDMP-Fluid Dynamics & Materials Processing, Vol.20, No.9, pp. 2059-2076, 2024, DOI:10.32604/fdmp.2024.050613 - 23 August 2024

    Abstract Nowadays, materials with a limited impact on the environment are required in the construction sector. Considering the interesting properties of natural elements such as natural fibers, it seems advantageous to use them to reinforce materials while protecting the environment and guaranteeing economic gain. Along these lines, this research was devoted to studying the effect of untreated natural fibers extracted from the Juncus maritimus plant (from Southern Morocco) on plaster. First, the effect of the percentage of added fibers on the fluidity of the plaster was evaluated by means of the Marsh’s cone method, that is,… More >

  • Open Access

    ARTICLE

    Risk-Balanced Routing Strategy for Service Function Chains of Cyber-Physical Power System Considering Cross-Space Cascading Failure

    He Wang, Xingyu Tong, Huanan Yu*, Xiao Hu, Jing Bian

    Energy Engineering, Vol.121, No.9, pp. 2525-2542, 2024, DOI:10.32604/ee.2024.050594 - 19 August 2024

    Abstract Cyber-physical power system (CPPS) has significantly improved the operational efficiency of power systems. However, cross-space cascading failures may occur due to the coupling characteristics, which poses a great threat to the safety and reliability of CPPS, and there is an acute need to reduce the probability of these failures. Towards this end, this paper first proposes a cascading failure index to identify and quantify the importance of different information in the same class of communication services. On this basis, a joint improved risk-balanced service function chain routing strategy (SFC-RS) is proposed, which is modeled as More >

  • Open Access

    ARTICLE

    Fortifying Smart Grids: A Holistic Assessment Strategy against Cyber Attacks and Physical Threats for Intelligent Electronic Devices

    Yangrong Chen1,2, June Li3,*, Yu Xia3, Ruiwen Zhang3, Lingling Li1,2, Xiaoyu Li1,2, Lin Ge1,2

    CMC-Computers, Materials & Continua, Vol.80, No.2, pp. 2579-2609, 2024, DOI:10.32604/cmc.2024.053230 - 15 August 2024

    Abstract Intelligent electronic devices (IEDs) are interconnected via communication networks and play pivotal roles in transmitting grid-related operational data and executing control instructions. In the context of the heightened security challenges within smart grids, IEDs pose significant risks due to inherent hardware and software vulnerabilities, as well as the openness and vulnerability of communication protocols. Smart grid security, distinct from traditional internet security, mainly relies on monitoring network security events at the platform layer, lacking an effective assessment mechanism for IEDs. Hence, we incorporate considerations for both cyber-attacks and physical faults, presenting security assessment indicators and… More > Graphic Abstract

    Fortifying Smart Grids: A Holistic Assessment Strategy against Cyber Attacks and Physical Threats for Intelligent Electronic Devices

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