Showing 17,681 - 17,700 results of 19,524 for search '"Mathematics"', query time: 0.08s Refine Results
  1. 17681

    Nutrition and Reproductive Health: Sperm versus Erythrocyte Lipidomic Profile and ω-3 Intake by Gabriela Ruth Mendeluk, Mariano Isaac Cohen, Carla Ferreri, Chryssostomos Chatgilialoglu

    Published 2015-01-01
    “…Fatty acid analyses of sperm and erythrocyte cell membrane phospholipids in idiopathic infertile patients evidenced that erythrocyte contents of EPA, DHA, omega-6–omega-3 ratio and arachidonic acid provide a mathematical correspondence for the prediction of EPA level in sperm cells. …”
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  2. 17682

    A Combined MPC and PI Control Strategy for Bidirectional Interleaved Totem Pole PFC Converters in Electric Vehicle G2V and V2G Applications by Lassioui Abdellah, Kabba Abdelaziz, El Ancary Marouane, Hasni Anwar, El Asri Yassine, El Idrissi Zakariae, El Fadil Hassan

    Published 2025-01-01
    “…This paper presents an optimized control strategy for a bidirectional interleaved totem pole Power Factor Correction (PFC) converter, employing a combination of Model Predictive Control (MPC) and a Proportional-Integral (PI) controller. The converter’s mathematical model is used to implement the MPC, which ensures a unit power factor during both Grid-to-Vehicle (G2V) and Vehicle-to-Grid (V2G) operations. …”
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  3. 17683

    Energy Detection in Multihop Cooperative Diversity Networks: An Analytical Study by M. O. Mughal, L. Marcenaro, C. S. Regazzoni

    Published 2014-01-01
    “…Furthermore, an alternative series form representation of generalized Marcum- Q function is employed in order to simplify the ensuing mathematical derivations. Because the obtained detection probability expressions are in the form of infinite summation series, their respective truncation error bounds are also derived. …”
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  4. 17684

    VBioindex: A Visual Tool to Estimate Biodiversity by Dong Su Yu, Seung Hwa Yoo

    Published 2015-09-01
    “…However, some biologists and ecologists have difficulty using these indices because they require advanced mathematical knowledge and computational techniques. …”
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  5. 17685

    Shedding light on evanescent shadows — Exploration of non-anticommuting γ 5 in Dimensional Regularisation by Paul L. Ebert, Paul Kühler, Dominik Stöckinger, Matthias Weißwange

    Published 2025-01-01
    “…Abstract The mathematical consistency of the BMHV scheme of dimensional regularisation (DReg) comes at the cost of requiring symmetry-restoring counterterms to cancel the regularisation-induced breaking of gauge and BRST invariance. …”
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  6. 17686

    Separable Nonlinear Least-Squares Parameter Estimation for Complex Dynamic Systems by Itai Dattner, Harold Ship, Eberhard O. Voit

    Published 2020-01-01
    “…Fortunately, many biological systems have embedded linear mathematical features, which may be exploited, thereby improving fits and leading to better convergence of optimization algorithms. …”
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  7. 17687

    Study power of partial discharges to voltage intensity in XLPE-insulated cables by D. A. Polyakov, K. I. Nikitin, N. A. Tereschenko, I. V. Komarov, U. V. Polyakova

    Published 2020-03-01
    “…Some of the known mathematical models of insulation aging take into account the effect of partial discharges. …”
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  8. 17688

    Measuring and Analyzing the Reality of a Pivotal Application (the Educational Institution's Strategy and Governance and Management) According to the Iraqi Institutional Accreditati... by Dhuha Razak Apd, Ali Abdel Karim Al-Saffar, Marwa Mustaph Al-Roubaie

    Published 2023-09-01
    “…The checklists that were developed according to the paragraphs of the two axes (indicators), and the use of mathematical equations to analyze and collect the weights of these indicators, and to extract application percentages and gaps (24%, 24%) is lower than the Al-Farahidi Civil University, where the gap for the two axes (33%, 39%) was lower. …”
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    Article
  9. 17689

    The influence of flexibility on the formation of basic taekwondo techniques in children aged 10–12 years by Milyaeva, Karolina R., Akindinova, Marina M.

    Published 2024-12-01
    “…The article presents the results of a research conducted with the participation of students of the first year of study and more than one year of training in taekwondo, during which such methods as pedagogical observation, pedagogical experiment, testing method, methods of mathematical and statistical data processing were used. …”
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  10. 17690

    Face Recognition using Deep Learning and TensorFlow framework by Makrem Beldi

    Published 2023-12-01
    “…Luckily, in the last couple of years, several organizations and open-source communities have been developing tools and libraries that help abstract the complex mathematical algorithms in order to encourage developers to easily create learning models and train them using any programming languages. …”
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  11. 17691

    Construction Prototyping, Flight Dynamics Modeling, and Aerodynamic Analysis of Hybrid VTOL Unmanned Aircraft by Roman Czyba, Marcin Lemanowicz, Zbigniew Gorol, Tomasz Kudala

    Published 2018-01-01
    “…This paper presents the design process of an unmanned vertical take-off and landing aircraft including prototyping of the airframe construction and mathematical modeling as well as computational fluid dynamics (CFD) simulations. …”
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  12. 17692

    The Analysis of Biomimetic Caudal Fin Propulsion Mechanism with CFD by Guijie Liu, Shuikuan Liu, Yingchun Xie, Dingxin Leng, Guanghao Li

    Published 2020-01-01
    “…Lastly, through the mathematical model analysis of the tail of the swordfish, the producing propulsive force principle of the caudal fin and the caudal peduncle was obtained. …”
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  13. 17693

    Time Series Prediction Based on Complex-Valued S-System Model by Bin Yang, Wenzheng Bao, Yuehui Chen

    Published 2020-01-01
    “…Symbolic regression has been utilized to infer mathematical formulas in order to solve the complex prediction and classification problems. …”
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  14. 17694

    A Novel Memductor-Based Chaotic System and Its Applications in Circuit Design and Experimental Validation by Li Xiong, Yanjun Lu, Yongfang Zhang, Xinguo Zhang

    Published 2019-01-01
    “…Furthermore, the design principle of the memductor-based chaotic circuit is thoroughly analyzed and the concept of “the memductor-based chaotic circuit defect quantification index” is proposed for the first time to verify whether the chaotic output is consistent with the mathematical model. A good qualitative agreement is shown between the simulations and the experimental validation results.…”
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  15. 17695

    Numerical Simulations and Design Optimization of the PHT Loop of Natural Circulation BWR by G. V. Durga Prasad, G. Gopa Kishor, Manmohan Pandey, Uday S. Dixit

    Published 2008-01-01
    “…Mathematical modeling and numerical simulation of natural circulation boiling water reactor (NCBWR) are very important in order to study its performance for different designs and various off-design conditions and for design optimization. …”
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  16. 17696

    Effectiveness of iNTS vaccination in sub-Saharan Africa by Daniele Cassese, Nicola Dimitri, Gianluca Breghi, Tiziana Spadafina

    Published 2025-01-01
    “…Abstract Invasive non-Typhoidal Salmonella (iNTS) is one of the leading causes of blood stream infections in Sub-Saharan Africa, especially among children. iNTS can be difficult to diagnose, particularly in areas where malaria is endemic, and difficult to treat, partly because of the emergence of antibiotic resistance. We developed a mathematical model to evaluate the impact of a vaccine for iNTS in 49 countries of sub-Saharan Africa. …”
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  17. 17697

    Novel Adaptive Bacteria Foraging Algorithms for Global Optimization by Ahmad N. K. Nasir, M. O. Tokhi, N. Maniha Abd. Ghani

    Published 2014-01-01
    “…In order to overcome such problems, novel linear and nonlinear mathematical relationships based on the index of iteration, index of bacteria, and fitness cost are adopted which can dynamically vary the step size of bacteria movement. …”
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  18. 17698

    Fuzzy Inference-Based Adaptive Sonar Control for Collision Avoidance in Autonomous Underwater Vehicles by Kot Rafał

    Published 2024-12-01
    “…Simulations conducted based on the mathematical model of the AUV confirmed that the proposed approach increased the effectiveness of collision avoidance systems for AUVs compared to classical echosounder and sonar-based systems.…”
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  19. 17699

    Correction of Line-Sampling Bias of Rock Discontinuity Orientations Using a Modified Terzaghi Method by Huiming Tang, Junrong Zhang, Lei Huang, Changbin Yan, Shengming Hu, Mutasim Adam Mohamed Ez Eldin

    Published 2018-01-01
    “…The applicability of the redefined bias-compensatory factor is verified through a mathematical logical deduction. The accuracy of the conventional and the modified Terzaghi methods are compared using a case study in Wenchuan, China, revealing improved accuracy for the latter.…”
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  20. 17700

    Modelling and Prediction of Photovoltaic Power Output Using Artificial Neural Networks by Aminmohammad Saberian, H. Hizam, M. A. M. Radzi, M. Z. A. Ab Kadir, Maryam Mirzaei

    Published 2014-01-01
    “…The five years of data were split into two parts: 2006–2008 and 2009-2010; the first part was used for training and the second part was used for testing the neural networks. A mathematical equation is used to estimate the generated power. …”
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