Showing 821 - 840 results of 1,089 for search 'dynamic issues parameter', query time: 0.13s Refine Results
  1. 821

    Manipulating d-orbital of Cu single atom site by coordination engineering for selective oxidation of benzene by Shuchun Li, Changsheng Cao, Jiabin Chen, Wen Wen, Xuefei Zhang, Longji Cui, Yuke Li, Xing Huang, Yu Tang, Zailai Xie

    Published 2025-07-01
    “…Here, we address this issue through d-orbital engineering of Cu SACs, achieving simultaneous control over coordination geometry (Cu-N3) and high metal loading (33.2 wt%) for direct benzene-to-phenol oxidation with H2O2. …”
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  2. 822

    A panting behavior-driven assessment framework for summer ventilation quality optimization in layer houses by Zixuan Zhou, Lihua Li, Hao Xue, Yuchen Jia, Yao Yu, Zongkui Xie, Yuhan Gu

    Published 2025-08-01
    “…Ventilation quality in summer layer houses is critical for heat stress prevention, production performance, and poultry welfare. Addressing the issue of ''qualified environmental parameters but chicken discomfort'' caused by traditional methods overlooking spatial heterogeneity and individual differences, a dynamic ventilation quality assessment method based on panting behavior detection in laying hens was proposed. …”
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  3. 823
  4. 824

    Small‐signal impedance modelling and stability analysis of doubly fed induction generator‐based wind turbines during asymmetrical weak grid condition by Hailiang Xu, Zhi Li, Han Wu, Qingzeng Yan, Lie Xu

    Published 2024-12-01
    “…The influence of the main physical and control parameters on the system stability is then assessed in detail. …”
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  5. 825

    Physics-Informed Neural Network-Based Inverse Framework for Time-Fractional Differential Equations for Rheology by Sukirt Thakur, Harsa Mitra, Arezoo M. Ardekani

    Published 2025-06-01
    “…Despite their potential, these problems remain challenging due to issues of stability, non-uniqueness, and limited data availability. …”
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  6. 826

    Some Aspects of Medieval Oriental Numismatics as a Historical Source (1) by P.N. Petrov

    Published 2013-09-01
    “…This article contains a concise representation of the most challenging issues of medieval Oriental numismatics. The author emphasizes the importance of numismatic information for the study of the economic situation in the states and in some regions, of the dynamics of commodity-money relations, of the nature of the monetary policy pursued by the authorities, of the structure of money circulation in the states, of the administrative structure of the states and its changes over time, of the political declaration of power by issuers of coins, of the religious policy of the states, of the sequence and chronology of the reigns, and of many other aspects of Oriental history. …”
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  7. 827
  8. 828

    A 3D lightweight network with Roberts edge enhancement model (LR-Net) for brain tumor segmentation by Qingxu Meng, Weijiang Wang, Hang Qi, Hua Dang, Minli Jia, Xiaohua Wang

    Published 2025-06-01
    “…To address this issue, We propose a Lightweight Network with Roberts edge enhancement (LR-Net) for brain tumor segmentation that achieves an optimal balance between parameters and diagnostic accuracy. …”
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  9. 829

    Equalizing the response of the FOOT calorimeter as a function of the ion energy and charge by Valetti Alessandro

    Published 2025-01-01
    “…A calorimeter detector made of 320 BGO crystals coupled to SiPM photodetectors, covering a dynamic range from tens of MeVs to about 10 GeV, measures the kinetic energy. …”
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  10. 830

    ОРТАЛЫҚ АЗИЯДАҒЫ АДАМ ДАМУЫНЫҢ ПРОБЛЕМАЛАРЫ МЕН МҮМКІНДІКТЕРІ by Z. K. Chulanova, G. Kairatkyzy

    Published 2019-03-01
    “…In addition, economic-statistical methods were used, as well as rating, comparison, and generalization; data of the United Nations Development Program, the World Bank, the World Economic Forum, the Committee on Statistics of the Ministry of National Economy of the Republic of Kazakhstan were used.Based on the analysis of the dynamics of indicators characterizing life expectancy, level of education, gross national income per capital, the place of Central Asian countries in the global HDI ranking is determined, the problems and factors affecting its formation are identified, competitive advantages, disadvantages and prospects of human development in the states of the region are determined.In particular, in Kazakhstan, despite the achievements in socio-economic development and increased welfare, among the priorities remains the need to implement a set of measures to expand the parameters of human development towards a qualitative change in this process in the context of the formation of an innovative economy.…”
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  11. 831
  12. 832

    NEUROPHYSIOLOGICAL EVALUATION OF THE EFFECTIVENESS OF EARLY CAROTID ENDARTERECTOMY IN ATHEROTHROMBOTIC STROKE by I. V. Stafeeva, I. P. Dudanov, I. A. Voznjouk, S. V. Ordinec, V. V. Ahmetov

    Published 2020-03-01
    “…The dynamics of power spectra, intra-hemispheric EEG, latency and amplitude of somatosensory evoked potentials and clinical parameters were compared.CONCLUSION. …”
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  13. 833

    Factors influencing livestock grazing in Pench Tiger Reserve, Maharashtra by P. N. Shukla, E. C. Rao, V. K. Mishra

    Published 2025-03-01
    “…Abstract Livestock grazing is a globally common land-use practice, impacting the micro- and macro-ecological dynamics. It is one of the most important managerial issues in the protected areas of India, which are home to most of the floral and faunal biodiversity of country. …”
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  14. 834

    Adaptive surge control of variable-mass unmanned surface vehicle based on super-twisting sliding mode observation by Zhaokun YAN, Guanyu YANG, Hongdong WANG

    Published 2025-02-01
    “…It also analyzes how these variations, through changes in the parameters of the dynamic model, affect the vehicle's motion state. …”
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  15. 835

    Boson-fermion universality of mesoscopic entanglement fluctuations in free systems by Cunzhong Lou, Chushun Tian, Zhixing Zou, Tao Shi, Lih-King Lim

    Published 2025-06-01
    “…Entanglement fluctuations associated with the Schrödinger evolution of wave functions offer a unique perspective on various fundamental issues ranging from quantum thermalization to state preparation in quantum devices. …”
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  16. 836

    The energy consumption characteristics of a new type of energy dissipating vibration-damping fastener by Yan Liu, Jiansen Zhu, Xianpu Yuan, Runhua Fan, Yuan Yuan

    Published 2024-12-01
    “…To address the issue of inadequate energy dissipation capacity in current vibration-damping fasteners, this study examined the impact of stiffness and damping factor of vibration-damping fasteners on the vibration attenuation rate of rails, based on the theoretical model of a periodic double-layer support system. …”
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  17. 837

    AGW-YOLO-Based UAV Remote Sensing Approach for Monitoring Levee Cracks by HU Weibo, ZHOU Shaoliang, ZHAO Erfeng, ZHAO Xueqiang

    Published 2025-01-01
    “…Firstly, a lightweight ADown module was incorporated to replace the conventional stride-2 convolution. The ADown module dynamically adapts its downsampling strategy according to the feature characteristics, effectively reducing the number of parameters and computational complexity, while enhancing the model's ability to capture crack edges and fine textural details. …”
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  18. 838

    3D graphene paper-based tandem metal-free thin-film supercapacitors with integrated 200 V output by Huilong Liu, Litian Gan, Renji Chen, Zhiwen Xiao, Yun Chen, Hongzuo Yang, Yahang Liu, Baisheng Wu, Ching-Ping Wong, Xin Chen

    Published 2025-01-01
    “…The development of high-voltage tandem thin-film supercapacitors (TFSCs) has been limited by the issues such as expensive electrode materials, indispensable commercial separators and metal current collectors, and complex manufacturing processes. …”
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  19. 839

    Adaptive Neural Network-Based Fixed-Time Trajectory Tracking Control of Space Robot with Uncertainties and Input Nonlinearities by Haiping Ai, Lei Jiang, An Zhu, Xiaodong Fu

    Published 2025-06-01
    “…Due to internal errors and external environmental disturbances, the inertial parameters of dynamic models generally exhibit uncertainties, and model-based control methods may exhibit deviations in trajectory tracking. …”
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  20. 840

    Propithecus verreauxi demography spanning 40 years at Bezà Mahafaly Special Reserve, southwest Madagascar by Joelisoa Ratsirarson, Jeannin Ranaivonasy, Richard Lawler, Isabella Fiorentino, Nelson Rios, Alison Richard

    Published 2025-01-01
    “…Data provide information on male and female life history parameters, individual development and aging, and social group dynamics. …”
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