Showing 10,381 - 10,400 results of 10,747 for search 'construction problems', query time: 0.15s Refine Results
  1. 10381

    Thermoplastic Labyrinth Seals Under Rub Impact: Deformation Leakage Mechanisms and High Efficiency Optimization by Fei Ma, Zhengze Yang, Yue Liu, Shuangfu Suo, Peng Su

    Published 2025-06-01
    “…A custom designed rub-impact test rig was constructed to measure dynamic forces and validate finite element analysis (FEA) models with an error of 5.1% in predicting tooth height under mild interference (0.25 mm). …”
    Get full text
    Article
  2. 10382

    In Pursuit of the Functional Definition of a Mind: The Inevitability of the Language Ontology by Vitalii Shymko

    Published 2018-04-01
    “…The genesis of the system is separately analyzed by constructing a structural-ontological matrix that reflects the initial stage of the development of the mind. …”
    Get full text
    Article
  3. 10383

    Economic management of microgrid using flexible non-linear load models based on price-based demand response strategies by Bishwajit Dey, Gulshan Sharma, P.N. Bokoro

    Published 2024-12-01
    “…Four load models, including exponential, hyperbolic, linear, and logarithmic, were constructed for each demand response programme. Rime is a newly created physics-based algorithm that has been deployed to handle the anticipated energy management problem that the microgrid may be experiencing. …”
    Get full text
    Article
  4. 10384

    Stochastic and Percolating Models of Blocking Computer Networks Dynamics during Distribution of Epidemics of Evolutionary Computer Viruses by S. A. Lesko, A. S. Alyoshkin, V. V. Filatov

    Published 2019-06-01
    “…A second-order differential equation is obtained in this article, and a boundary value problem is formulated. Its solution describes the dependence of the network blocking probability on the blocking probability of an individual node. …”
    Get full text
    Article
  5. 10385

    Trajectory tracking and formation control of quadrotor UAVs based on modified super twisting sliding mode method by Jingxin Dou, Yingliang Wu, Dongwu Xie, Ti Zhang

    Published 2025-07-01
    “…Abstract Aiming at the problem that the trajectory tracking and formation flight of quadrotor unmanned aerial vehicles (UAVs) are vulnerable to complex and variable disturbances, this paper proposes a trajectory tracking controller is designed for both position and attitude subsystems of quadrotor UAV is designed in the formation, and a super twisting sliding mode (STSM) controller is designed for the formation control. …”
    Get full text
    Article
  6. 10386

    Traction Calculation for Modular Energotechnological Unit Given Kinematic Mismatch of Driving Axles by A. V. Lavrov, V. А. Voronin, M. V. Sidorov, I. A. Pekhalskiy

    Published 2022-06-01
    “…One of the solutions to this problem might be the use of the unit technological part as an active coupling weight. …”
    Get full text
    Article
  7. 10387

    The astronomical and calendrical calculations in the 6th Hymn de Crucifixione by Ephrem the Syrian in the old Babylonian, Jewish and Christian context by Sofia Fomicheva

    Published 2023-12-01
    “…In this hymn devoted to the interpretation of three days problem of Jesus’ resurrection, the Syriac poet and theologian employs some astronomical data, i.e., the duration of solar and lunar years, the duration of the lunar months, the necessity of the intercalations in the calendars etc. …”
    Get full text
    Article
  8. 10388

    Transsociality as uncertainty or incertitude of the human condition by Віталій Лях, Марина Лукашенко

    Published 2022-09-01
    “…In return, modern sociality is constructed around an exclusive humanism that excludes the transcendent, for which only the human matters are important. …”
    Get full text
    Article
  9. 10389

    Crustal structure of the Ulaanbaatar region, Mongolia according to gravimetric data by B. Buyantogtokh, E. Kh. Turutanov, V. S. Kanaikin

    Published 2019-09-01
    “…Based on the medium-scale areal gravimetric survey data, a regional map of Bouguer gravity anomalies was constructed for theUlaanbaatar region, Central Mongolia.Interpreted gravimetric data from the solutions of the inverse problem of gravimetry based on the body-shape selection were used to developthe 3D models showing the largest crustal density inhomogeneities of the study area – the Tolskaya (Ulaanbaatar) basin, Nalaiha depression and Bogdoulin granite massif. …”
    Get full text
    Article
  10. 10390

    Drug Abuse Perception and Associated Variables among Secondary School Students in Duhok City by Alaa Noori Sarkees, Sardar Abdullah Issa, Azad Jameel Hussein

    Published 2023-10-01
    “… Background: Nowadays, illicit drug abuse is becoming a serious public health problem worldwide specifically in Iraq, affecting the entire community. …”
    Get full text
    Article
  11. 10391

    Semi-automated annotation for video-based beef cattle behavior recognition by Zhiyong Cao, Chen Li, Xiujuan Yang, Shuai Zhang, Ling Luo, Hao Wang, Hongbo Zhao

    Published 2025-05-01
    “…Abstract In this paper, a video-based behavioural recognition dataset for beef cattle is constructed. The dataset covers five behaviours of beef cattle: standing, lying, drinking, feeding, and ruminating. …”
    Get full text
    Article
  12. 10392

    Intelligent Data Processing Methods for Studying the Influence of the Environment on the Morbidity of the Population in Moscow by T. V. Zolotova, A. S. Marunko

    Published 2024-05-01
    “…The article analyzes Russian and foreign bibliography on the research problem. Based on collected and processed open data on environmental indexes and population morbidity in various districts of Moscow, various types of analysis were carried out to identify the relationship between these data. …”
    Get full text
    Article
  13. 10393

    Research on the Optimization of the PID Control Method for an EOD Robotic Manipulator Using the PSO Algorithm for BP Neural Networks by Yunkang Zhou, Xiaohui He, Faming Shao, Xiangpo Zhang

    Published 2024-10-01
    “…Using Adams to establish the dynamic model of an EOD robotic manipulator and constructing a hydraulic system model in AMEsim, a co-simulation model is integrated. …”
    Get full text
    Article
  14. 10394

    The Effect of an Educational Program on School Injury Prevention in Junior High School Students of Famenin Based on the Health Belief Model by Zahra Farhadi, Ghodratollah Roshanaei, Saeed Bashirian, Forouzan Rezapur-Shahkolai*

    Published 2014-12-01
    “…Background and Objectives: Injuries constitute a major health problem throughout the world. School injuries are among the main injuries in young and school-aged children. …”
    Get full text
    Article
  15. 10395

    VISUAL DIDACTIC REGULATORS OF LOGICAL-SEMANTIC TYPE by V. E. Shteinberg, N. N. Manko

    Published 2017-12-01
    “…Practical significance. Practical constructions of visual didactic regulators of the logical-semantic type are proffered; possible areas of visual didactic regulators’ application in teaching technologies are revealed.…”
    Get full text
    Article
  16. 10396

    Parameter identification of photovoltaic inverter based on improved particle swarm optimization algorithm by LUO Jian, SUN Yue, JIANG Lijuan

    Published 2025-01-01
    “…Accurate grid-connected photovoltaic(PV) inverter model is an important tool to study the fault characteristics of power system under large-scale PV access.ObjectivesIn order to solve the problem that the characteristics of the existing PV inverter simulation model are quite different from those of the actual PV inverter,Methodsthis paper presented the method of parameter identification to construct the identification model of inverter. …”
    Get full text
    Article
  17. 10397

    Neighborhood socioeconomic inequality and sarcopenia in community-dwelling older adults: a cross-sectional study by Xiangyu Zhai, Doris S. F. Yu

    Published 2025-12-01
    “…A neighborhood socioeconomic status (nSES) index was constructed using a weighted combination of seven validated neighborhood-level socioeconomic indicators derived from government data across 292 Tertiary Planning Units in Hong Kong. …”
    Get full text
    Article
  18. 10398

    Novel frequency of arrival‐based emitter localisation methods based on multiple moving observers by Ding Wang, Jiexin Yin, Can Chen, Jianyang Li

    Published 2023-01-01
    “…Abstract It is well known that the Doppler frequency shift contains the emitter location information. The problem of emitter location based on frequency of arrival (FOA) measurements of multiple moving observers is focussed. …”
    Get full text
    Article
  19. 10399

    Prevalence of Hepatitis B and Hepatitis C Viral Infections and Their Associated Factors among Diabetic Patients Visiting Debre Tabor Referral Hospital, Northwest Ethiopia, 2021: A... by Debaka Belete, Dessie Kassaw, Tesfaye Andualem

    Published 2023-01-01
    “…Viral hepatitis is a global public health problem that affects millions of people each year, causing disability and death. …”
    Get full text
    Article
  20. 10400

    Synchronization in Fractional-Order Delayed Non-Autonomous Neural Networks by Dingping Wu, Changyou Wang, Tao Jiang

    Published 2025-03-01
    “…Fractional-order dynamics, characterized by their ability to capture memory effects and non-local interactions, introduce additional layers of complexity to the synchronization problem. Time delays, which are ubiquitous in real-world systems, further complicate the analysis by introducing temporal asynchrony among the neurons. …”
    Get full text
    Article