Showing 18,581 - 18,600 results of 19,524 for search '"Mathematics"', query time: 0.09s Refine Results
  1. 18581

    Optimization and experimental validation of a high-efficiency oil–water cyclone separator for well testing conditions by Zhimin Li

    Published 2025-01-01
    “…The Plackett–Burman experimental method was employed to evaluate six factors affecting separation performance, with oil outlet diameter and cyclone chamber cone angle identified as significant factors. Mathematical models for separation efficiency and pressure drop were developed based on these factors. …”
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  2. 18582

    Separation effectiveness of ideal ion exchange membranes: Application of the Gibbs-Donnan theory. by Jacek Waniewski, Leszek Pstras, Mauro Pietribiasi

    Published 2025-01-01
    “…For both cases, the presented nonlinear algebraic equations require in general the use of numerical methods to approximate their mathematical solutions, although we present as well some closed solutions for simple cases with ideal ionic mixtures. …”
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    Article
  3. 18583

    "Predicting the Movement of Stock Prices Using Technical Analysis Indicators": Applied Research in a Sample of the Shares of Iraqi Private Commercial Banks by Asaad Gheni Jihad, Ahmed Muqdad Ismael

    Published 2023-06-01
    “…As the research community consisted of Iraqi private commercial banks، which numbered (25) banks، while the research sample consisted of (7) banks with a rate of (28%) of the research community، the research used the analytical approach for the financial data in the period between (1/8 /2021-30/4/2022)، as the financial statements (closing prices) of the research sample banks were calculated by means of mathematical equations for technical indicators، and represented them in the form of graphs to clearly determine price trends and (buy and sell) signals. …”
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    Article
  4. 18584

    Design of a sustainable supply chain network of biomass renewable energy in the case of disruption by Leila Aslani, Atefeh Hasan-Zadeh, Yousef Kazemzadeh, Amir-Hosein Sheikh-Azadi

    Published 2024-06-01
    “…Therefore, non-renewable resources will be exhausted if alternative energy is not fully developed, leading to an energy crisis in the near future. In this paper, a mathematical model has been proposed for the design of the biomass supply chain of field residues that includes several fields where residue is transferred to hubs after collecting the residue in the hub, the residue is transferred to reactors. …”
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    Article
  5. 18585

    Cortical Visual Performance Test Setup for Parkinson’s Disease Based on Motion Blur Orientation by M. Erdem Isenkul

    Published 2019-01-01
    “…In future studies, developed motion-based visual tests are planned to be applied to PD patient groups/controls, and their performances with mathematical threshold values will be examined.…”
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    Article
  6. 18586

    The Detection of Soybean Bacterial Blight Based on Polarization Spectral Imaging Techniques by Jia Yi, Huilin Jiang, Yong Tan

    Published 2024-12-01
    “…Therefore, this paper proposes the detection of the soybean bacterial blight with the polarization spectroscopic imaging method, derived from the detection principle and mathematical model of polarization bidirectional reflection distribution function on the basis of the Stokes vector analysis method. …”
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    Article
  7. 18587

    An amplification mechanism for weak ELF magnetic fields quantum-bio effects in cancer cells by Amirali Zandieh, Seyed Peyman Shariatpanahi, Amir Abas Ravassipour, Javad Azadipour, Maryam Sadat Nezamtaheri, Zahra Habibi-Kelishomi, Mojtaba Ghanizadeh, Ali Same-Majandeh, Keivan Majidzadeh-A, Amir Taheri, Alireza Madjid Ansari, Mohammad Amin Javidi, Mohammad Mehdi Pirnia, Bahram Goliaei

    Published 2025-01-01
    “…In this study, we use a mathematical model of ROS dynamics in cancer cells to show how ROS oscillatory patterns can act as a resonator to amplify the small effects of the magnetic fields on the radical pair dynamics in mitochondrial Complex III. …”
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    Article
  8. 18588

    To the problem of optimization of criteria for evaluating the effectiveness of providing the national security of the State by Y. V. Kobko

    Published 2022-03-01
    “…In addition, the implementation of appropriate evaluation requires the use of various methods: surveys, mathematical modeling, forecasting and more.…”
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    Article
  9. 18589

    Assessment of scientific and technical projects of priority directions of development based on the criterion of use value by L. F. Zakharova, S. V. Novikov

    Published 2018-06-01
    “…The article deals with the organizational and procedural schemes of proposed solutions for improving the evaluation of scientific and technical projects, as well as the economic and mathematical tools for ranking the priority directions for the development of the Russian economy for the financing of scientific and technical projects from the state budget. …”
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    Article
  10. 18590

    Conservative Interference Injection to Minimize Wi-Fi Sensing Privacy Risks and Bandwidth Loss by Aryan Sharma, Haoming Wang, Deepak Mishra, Aruna Seneviratne

    Published 2025-01-01
    “…To achieve a reduced data rate, we propose an extension to Bianchi’s model of CSMA/CA systems and establish a new mathematical relationship between channel contention and the available CSI. …”
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    Article
  11. 18591

    A Model for Vehicle Routing Problem under Returns and Emission Consideration in B2C E-Commerce Logistics by Sedat Belbağ

    Published 2025-02-01
    “…This study addressed a mixed-integer linear programming model for a vehicle routing problem under returns and emission considerations in B2C e-commerce logistics.Methodology: This study proposes a mathematical model to solve a variant of the vehicle routing problem. …”
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  12. 18592

    Optimal Benefit Distribution of a Tontine-like Annuity Fund with Age-Structured Models by Fan Zhang, Ping Chen, Xueyuan Wu

    Published 2024-12-01
    “…The core objective of this paper is to develop a pension model using ASMs, recognizing its significant potential for adaptation and expansion. The primary mathematical approach employed is the Maximum Principle from optimal control theory, which helps in deriving explicit solutions for the optimal subsidy strategy. …”
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  13. 18593

    A fully differential switched‐capacitor integrator based programmable resolution hybrid ADC architecture for biomedical applications by Sreenivasulu Polineni, Rekha S., M. S. Bhat

    Published 2021-03-01
    “…The proposed hybrid ADC architecture can be switched between successive approximation register (SAR) and delta‐sigma modulator (DSM) mode in 8‐bit to 15‐bit resolution. A mathematical relationship showing the effect of mismatch of capacitors on ADC linearity is derived. …”
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  14. 18594

    Identification of cell chemistries in lithium-ion batteries: Improving the assessment for recycling and second-life by Christopher Wett, Jörg Lampe, Dominik Görick, Thomas Seeger, Bugra Turan

    Published 2025-01-01
    “…Using the Python Battery Mathematical Modelling (PyBaMM) framework, synthetical partial open circuit voltage (OCV) charge and discharge curves are generated with an electrochemical single particle model for three different cathode chemistries and the initial state of charge and state of health values as well as the initial capacities are varied. …”
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  15. 18595

    Evaluation of rabies control measure effectiveness in the Russian Federation by S. V. Shcherbinin, T. V. Vadopalas, F. I. Korennoy, K. A. Blokhina, A. K. Karaulov

    Published 2020-09-01
    “…The analysis of data from veterinary reports showed that the most rabies-infected regions are the Central and Volga Federal Districts. Using the mathematical modeling of the epidemic process the results of preventive measures, taken by the Veterinary Service in case of rabies in the region, were evaluated.…”
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  16. 18596

    Medium-term load forecasting with Power Market Survey: GEPCO case study by Sheeza Mariam Nawaz, Ubaid Ahmed, Adil Amin, Syed Afraz Hussain Shah, Anzar Mahmood

    Published 2024-06-01
    “…Therefore, in the proposed study, a mathematical model, Power Market Survey (PMS), is implemented to forecast month-ahead load for GEPCO division dataset. …”
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    Article
  17. 18597

    Risk Balancing of Cold Ischemic Time against Night Shift Surgery Possibly Reduces Rates of Reoperation and Perioperative Graft Loss by Nikos Emmanouilidis, Julius Boeckler, Bastian P. Ringe, Alexander Kaltenborn, Frank Lehner, Hans Friedrich Koch, Jürgen Klempnauer, Harald Schrem

    Published 2017-01-01
    “…The risk of surgery at 3 AM–6 AM outweighs prolonged CIT when confined within 23.5 hours as determined by a new mathematical approach to calculate turning points of nonlinear time related risks. …”
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  18. 18598

    AN ASSESSMENT METHOD FOR THE CONTROL SYSTEMS QUALITY by Г. І. Манко

    Published 2024-12-01
    “…The maximum value is the amount of misinformation at zero Shannon entropy. Mathematical expressions for calculating the absolute and relative uncertainty of control systems are given. …”
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  19. 18599

    Biophysical modeling and experimental analysis of the dynamics of C. elegans body-wall muscle cells. by Xuexing Du, Jennifer Crodelle, Victor James Barranca, Songting Li, Yunzhu Shi, Shangbang Gao, Douglas Zhou

    Published 2025-01-01
    “…This study combines experimental techniques and mathematical modeling to investigate the dynamics of C. elegans body-wall muscle cells. …”
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    Article
  20. 18600

    Enhanced Hyperspectral Forest Soil Organic Matter Prediction Using a Black-Winged Kite Algorithm-Optimized Convolutional Neural Network and Support Vector Machine by Yun Deng, Lifan Xiao, Yuanyuan Shi

    Published 2025-01-01
    “…Three denoising methods (no denoising, Savitzky–Golay filter denoising, and discrete wavelet transform denoising) were combined with nine mathematical transformations (original spectral reflectance (R), first-order differential (1DR), second-order differential (2DR), MSC, SNV, logR, (logR)′, 1/R, ((1/R)′) to form 27 combinations. …”
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