Showing 2,101 - 2,120 results of 4,802 for search 'complex have problems', query time: 0.25s Refine Results
  1. 2101

    The Arctic council as an international organization of a new type by L. S. Voronkov, A. A. Smirnova

    Published 2017-09-01
    “…Within the framework of its activity innovative tools of financing of ongoing programs have been developed. Participation of other member states of the AC in the anti-Russian sanctions does not become an obstacle for continuation of the close cooperation of all Arctic states in addressing the major problems of common concern in the Arctic. …”
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  2. 2102

    An integrated multi criteria decision making method using dual hesitant fuzzy sets with application for unmanned aerial vehicle selection by Fei Gao

    Published 2025-04-01
    “…The proposed method provides a flexible and systematic decision-making tool that can assist decision-makers in solving UAV selection problems in complex, real-world scenarios.…”
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  3. 2103

    Secure aggregation for semi-decentralized federated learning under heterogeneous data by HUANG Mei, WANG Lingling, ZHANG Zhengyin, LIU Yufei, SUN Yitong

    Published 2025-06-01
    “…The differences between local models have increased with the degree of local data heterogeneity, which has further slowed down the global model’ convergence and reduced its accuracy. …”
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  4. 2104

    Characteristics and Commissioning of the Collaboration Between the Min-Yue Back-to-Back HVDC Transmission System and SVG/HAPF by Xiao LEI, Ruiwen XU, Ningmin ZHENG, Decai LI, Shicheng LIU

    Published 2024-04-01
    “…In view of the SVG fault events in actual operation, the complex problems caused by multiple factors in the process of high voltage transient response of SVG are analyzed in depth, and according to the targeted optimization control strategy, a high voltage/low voltage/three-phase unbalanced transient control test scheme of single SVG equipment is proposed. …”
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  5. 2105

    THE SYSTEM OF ROLLING-STOCK’s PARAMETERS OF INTERMODAL PIGGYBACK TRANSPORTATION by A. V. Tsyganov, N. A. Osintsev

    Published 2020-05-01
    “…A systems approach is used to represent piggyback transportation as a complex technical system consisting of road vehicles, domestic and foreign railway rolling-stock interacting in intermodal terminals. …”
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  6. 2106

    Dog Neuter, Yes or No? A Summary of the Motivations, Benefits, and Harms, with Special Emphasis on the Behavioral Aspect by Ana Arroube, Alfredo F. Pereira

    Published 2025-04-01
    “…Despite these complexities, they also offer promising avenues for future research. …”
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  7. 2107

    University Instructors' Perceptions of Higher Education: Psychosemantic Approach by Sorokova M.G.

    Published 2022-09-01
    “…The project method is a promising approach that has few drawbacks, but is also socially inaccessible and less convenient for the instructor. (4) For instructors who do not use e-courses, traditional face-to-face education is the least technically equipped, having problems and shortcomings, but subjectively very attractive. …”
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  8. 2108

    Endogenous HLA-DQ8αβ programs superantigens (SEG/SEI) to silence toxicity and unleash a tumoricidal network with long-term melanoma survival by David Bradley, Peter Knopick, David Terman, Nathan Riha, Travis Alvine, Riley Larson, Cedric Badiou, Gerard Lina, John Ballantyne

    Published 2020-10-01
    “…Such toxicity has narrowed their therapeutic index while neutralizing antibodies have nullified their therapeutic effects.Methods Female HLA-DQ8 (DQA*0301/DQB*0302) tg mice expressing the human major histocompatibility complex II (MHCII) HLA-DQ8 allele on a high proportion of PBL, spleen and lymph node cells were used. …”
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  9. 2109

    Supporting Physical and Mental Health in Rural Veterans Living With Heart Failure: Protocol for a Nurse-Led Telephone Intervention Study by Lucinda J Graven, Laurie Abbott, Josef V Hodgkins, Thomas Ledermann, M Bryant Howren

    Published 2025-03-01
    “…Managing HF in the home is stressful and complex for rural veterans who experience unique barriers to optimal physical and mental health, necessitating adequate support and problem-solving skills. …”
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  10. 2110

    New energy effect in non-cylindrical domains with a thermally insulated moving boundary by E. M. Kartashov

    Published 2023-10-01
    “…To develop mathematical model representations of the energy effect in non-cylindrical domains having a thermally insulated moving boundary; to introduce a new boundary condition for thermal insulation of a moving boundary both for locally equilibrium heat transfer processes in the framework of classical Fourier phenomenology, as well as for more complex locally non-equilibrium processes in the framework of Maxwell–Cattaneo–Lykov–Vernott phenomenology, taking into account the finite rate of heat propagation into analytical thermophysics and applied thermomechanics; to consider an applied problem of analytical thermophysics according to the theory of thermal shock for a domain with a moving thermally insulated boundary free from external and internal influences; to obtain an exact analytical solution of the formulated mathematical models for hyperbolic type equations; to investigate the solutions obtained using a computational experiment at various values of the parameters included in it; to describe the wave nature of the kinetics of the processes under consideration.Methods. …”
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  11. 2111

    Cognitive «portrait» of children with mental retardation by T. S. Kaminskaya, L. G. Khachatryan, E. V. Kasanave, I. V. Kaminskiy

    Published 2022-04-01
    “…A detailed assessment, taking into account the etiopathogenetic factor of delay in psychoverbal development, revealed that patients with genetic pathology often have problems in the amount of voluntary attention, visuospatial memory, visuospatial perception and thinking. …”
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  12. 2112

    Optimasi Sistem Penempatan Magang Menerapkan Algoritme Genetika by Satrio Agung Wicaksono

    Published 2019-01-01
    “…Genetic Algorithms are effective to apply to scheduling case studies or internship placements that have complex data characteristics. …”
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  13. 2113

    Uncertainty analysis method and application of neutron multi-sphere spectrometer measurement based on Monte Carlo method by ZHANG Dake, TANG Zhihui, WEI Yingjing, LI Taosheng, CAO Qinjian, SUN Bowen

    Published 2024-12-01
    “…BackgroundMultisphere neutron spectrometers are pivotal in accurately measuring neutron flux across various fields. The inherent complexities and non-linearities in their calculation processes, such as correlated variables, make traditional uncertainty analysis methods based on theoretical models and empirical formulas (e.g., the GUM (Guide to the Uncertainty in Measurement) method) unsuitable.PurposeThis study aims to demonstrate the application of the Monte Carlo (MC) method as an effective tool for evaluating measurement uncertainty in multi-sphere spectrometers, addressing the challenges posed by complex systems and non-linear problems.MethodsFirst of all, the MC method was employed to conduct probability density sampling of input variables to obtain the probability density distribution of the output variables. …”
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  14. 2114
  15. 2115

    Considerations Regarding Approach Methods in Strategic Analysis of Rural Space Development by Nicolae Concioiu

    Published 2023-08-01
    “…The present work is in line with the current concerns of rural economy specialists to find solutions to the complex problems of rural development. Through its content, the paper summarizes the way to conduct research that leads to the elaboration of strategic options regarding the development and diversification of activities in the rural area, using methods, work techniques and strategic analysis tools. …”
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  16. 2116
  17. 2117

    Designing an efficient model of employee behavior intelligence by Mohammad Ali Sadeghi, Abbas Babaeenezhad, Reza Zeinalzadeh, Mehdi mohammad Bagheri

    Published 2025-02-01
    “…Normal behaviors in business occur when employees gather in a group to collaborate regularly and permanently or temporarily for a specific activity, but intelligent behaviors are the result of knowledge, experience, having specific behavioral patterns, etc. With the help of these intelligent behaviors, organizations can be saved from potential bottlenecks and problems ahead (Tumi et al, 2022). …”
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  18. 2118

    An Evolutional Topology Optimization Method Based on Kernel Level Set Function by Takahiro Sato, Kota Watanabe, Hajime Igarashi

    Published 2025-01-01
    “…It is shown that the present method can solve practical design problems that have various objectives and constraint conditions, thanks to the use of a derivation-free evolutionary algorithm.…”
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  19. 2119

    Time-Varying Uncertainty in Shock and Vibration Applications Using the Impulse Response by J.B. Weathers, Rogelio Luck

    Published 2012-01-01
    “…However, if (1) the uncertainties propagate through the models in a linear manner, obeying the principle of superposition, then the complexity of the problem can be significantly simplified. …”
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  20. 2120

    Arsenate and Arsenite Reaction Kinetics with Ferric Hydroxides Using Quantum Chemical Calculations by Cijin J. George, Sougata Santra, G. V. Zyryanov, Kousik Giri

    Published 2018-10-01
    “…The bidentate complex having a negative charge had more Gibbs free energy of reaction compared to uncharged one. …”
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