Showing 1,941 - 1,960 results of 2,218 for search '"mathematical models"', query time: 0.06s Refine Results
  1. 1941

    Effect of Vaccination and Culling on the Dynamics of Rabies Transmission from Stray Dogs to Domestic Dogs by Demsis Dejene Hailemichael, Geremew Kenassa Edessa, Purnachandra Rao Koya

    Published 2022-01-01
    “…In this paper, the population dynamics of rabies-infected dogs are studied. The mathematical model is constructed by dividing the dog population into two categories: stray dogs and domestic dogs. …”
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    Article
  2. 1942

    Dynamical Behavior of the SEIS Infectious Disease Model with White Noise Disturbance by Yuheng Song, Qixing Han

    Published 2022-01-01
    “…Mathematical model plays an important role in understanding the disease dynamics and designing strategies to control the spread of infectious diseases. …”
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    Article
  3. 1943

    Synthesis of dendritic silver nano powder using pulsing electrolysis in ammonia solution by Soltanzadeh A., Shahini S., Rashchi F., Saba M.

    Published 2019-01-01
    “…The optimum condition to synthesize the dendritic silver nano powders were 7.52 V; [NH3] = 64.75 g/L; [Ag+] = 0.45 g/L; total time = 17.59 min; Ton = 6.97 ms; Toff = 4 ms; and Trev = 1.89 ms. A mathematical model was also presented. The predicted silver nano size dendrite arm at the optimum condition was found to be 87.29 nm which was very close to the experimental value of 90 nm.…”
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    Article
  4. 1944

    Study on Mechanism of Viscoelastic Polymer Transient Flow in Porous Media by Huiying Zhong, Weidong Zhang, Hongjun Yin, Haoyang Liu

    Published 2017-01-01
    “…We establish a mathematical model for transient flows of viscoelastic polymers using computational fluid dynamics simulations, and we study the distributions of pressure and velocity for different elasticity scenarios and different flooding process. …”
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    Article
  5. 1945

    COMMUNITY RESPONSE (CRM)-BASED PRIORITY SCALE SYSTEM FOR TRANSJAKARTA ROUTE REPAIR in DKI JAKARTA PROVINCE by Hairrudin, Agus Suroso

    Published 2025-01-01
    “…The Road Damage Index (RDI) mathematical model was developed for an objectives assessment of the level of road damage, with Corridor 13 having the highest Road Damage Index (RDI) score (15), indicating the most urgent repairs needs. …”
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    Article
  6. 1946

    Optimization of the structure of the learning process under the given constraints by A. A. Lobaty, D. A. Konopacki

    Published 2024-01-01
    “…The article is devoted to the study of ways to optimize the mathematical model of the structure of the educational process. …”
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    Article
  7. 1947

    Developing an Optimal Antiviral Method for the Air-filtration System of Subway Stations by Dae Hoon Park, Jungho Hwang, Dongho Shin, Younghun Kim, Gunhee Lee, Inyong Park, Sang Bok Kim, Keejung Hong, Bangwoo Han

    Published 2023-05-01
    “…Furthermore, a theoretical analysis of the antiviral ability and antiviral effect regeneration for the case of dust loading was performed using a mathematical model to evaluate the time-dependent antiviral effect of the filter. …”
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    Article
  8. 1948

    Analysis of the Influence of Transmission Housing Elasticity on the Vibration Characteristics of Gear Shafting under Coupling Effect by Hanlin Huang, Shengping Fu, Shanming Luo

    Published 2021-01-01
    “…Aiming at a vehicle transmission, the mathematical model of the bending and torsional gear shafting vibrations is established based on the lumped mass method. …”
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    Article
  9. 1949

    Increasing digital maturity in innovative development management in a company by S. V. Sviridova, D. N. Horoshilov

    Published 2024-12-01
    “…To solve the problem of determining the time spent on managing and monitoring digital maturity, a mathematical model for time redistribution for operations has been developed. …”
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    Article
  10. 1950

    Probabilistic Dynamics for Integrated Analysis of Accident Sequences considering Uncertain Events by Robertas Alzbutas

    Published 2015-01-01
    “…In general, there are a lot of mathematical modelling theories, which can be used separately or integrated in order to extend possibilities of modelling and analysis. …”
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    Article
  11. 1951

    Research on Financial Hedging Decision Based on Exchange Rate Risk in Transnational Supply Chain by Liang Wang, Xianyan Xiong, Mengmeng Hui

    Published 2021-01-01
    “…Thirdly, from the perspective of wholesale price agreements and revenue-sharing contracts, it discusses the impact of financial hedging behavior and bilateral exchange rate risks on the decision-making process of each member through mathematical modeling. Finally, it explores the relationships of decision variables through simulation analysis. …”
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    Article
  12. 1952

    Analyzing Policymaking for Tuberculosis Control in Nigeria by Nura M. R. Ahmad, Cristina Montañola-Sales, Clara Prats, Mustapha Musa, Daniel López, Josep Casanovas-Garcia

    Published 2018-01-01
    “…This paper proposes a mathematical model to evaluate TB burden in Nigeria by using data obtained from the local TB control program in the community. …”
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    Article
  13. 1953

    Ship-Borne Phased Array Radar Using GA Based Adaptive α-β-γ Filter for Beamforming Compensation and Air Target Tracking by J. Mar, Chen-Chih Liu, M. B. Basnet

    Published 2015-01-01
    “…The roll and pitch data measured from a gyroscope of the sea vehicle and generated from ship motion mathematical model are used in the experiments. The tracking accuracy of adaptive α-β-γ filter using the GA method is compared with PSO method under different ship motion conditions. …”
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    Article
  14. 1954

    The Small-Signal Stability of Offshore Wind Power Transmission Inspired by Particle Swarm Optimization by Jiening Li, Hanqi Huang, Xiaoning Chen, Lingxi Peng, Liang Wang, Ping Luo

    Published 2020-01-01
    “…This paper established a mathematical model of the doubly fed induction generator (DFIG) integrated into the IEEE9 system via VSC-HVDC in detail, and small-signal stability analysis of offshore wind farm (OWF) grid connection is specially studied under different positions and capacities. …”
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    Article
  15. 1955

    Data and implication based comparison of two chronic myeloid leukemia models by R. A. Everett, Y. Zhao, K. B. Flores, Yang Kuang

    Published 2013-07-01
    “…These results suggest that including sub-cellular mechanisms in a mathematical model of CML can increase the accuracy of parameter estimation and may help to predict long-term drug resistance.…”
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    Article
  16. 1956

    Design Improvements and Best Practices in Small-Scale Biodigesters for Sustainable Biogas Production: A Case Study in the Chillon Valley, Perú by Yoisdel Castillo Alvarez, Reinier Jiménez Borges, Carlos Diego Patiño Vidal, Fanny Mabel Carhuancho Leon, José Santos Pinares Buendia, Jose Alberto Samaniego Nolasco

    Published 2025-01-01
    “…The substrates considered were 30% organic waste and 70% bovine manure, achieving an average production of 63.75 L CH<sub>4</sub>/kg of organic matter, which exceeded the usual yields of small biodigesters. A mathematical model was created and applied to the case study with an R<sup>2</sup> correlation of 98% and a pseudo-R<sup>2</sup> of 89.5%, evidencing a remarkable predictive capacity. …”
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    Article
  17. 1957

    A SYSTEM DYNAMICS MODEL TO DETERMINE THE VALUE OF INVENTORY HOLDING COST by BABATUNDE OMONIYI ODEDAIRO, EMILOLA HELEN ALABA, INYENEOBONG EDEM

    Published 2020-07-01
    “…Giving considerations to this reality, a mathematical model to determine the value of IHC using systems dynamics approach was developed. …”
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    Article
  18. 1958

    The Piston Ring-Cylinder Bore Interface Leakage of Bent-Axis Piston Pumps Based on Elastohydrodynamic Lubrication and Rotation Speed by Lvjun Qing, Lichen Gu, Yan Wang, Wei Xue, Zhufeng Lei

    Published 2021-01-01
    “…First, the proposed model includes a minimum film thickness model of PRCB to analyze the dynamic change of oil film of PRCB when subject to the elastohydrodynamic lubrication. After that, a mathematical model of PRCB is induced by combining the minimum film thickness model with the flow equation, which helps produce the effects of the oil film on the leakage of PRCB. …”
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    Article
  19. 1959

    Statistical Distribution of Urban Area Reveals a Converging Trend of Global Urban Land Expansion by Shengjie Hu, Zhenlei Yang, Sergio Andres Galindo Torres, Zipeng Wang, Haoying Han, Yoshihide Wada, Thomas Cherico Wanger, Ling Li

    Published 2025-01-01
    “…This trend is well captured by a unified mathematical model based on the shifted power law distribution function and is reflected in the gradual predominance of medium‐size cities over small‐size cities in the configuration of urban systems across the world. …”
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    Article
  20. 1960

    Numerical investigation of coal pillar damage mechanisms for various width-to-height ratios by Xuanhui Wang, Ze Xia, Qiangling Yao, Xuehua Li, Qiang Xu, Liu Zhu

    Published 2025-01-01
    “…In order to analyze the features of dynamical evolution of vertical stress distribution and failure zone during loading, a meticulously validated roof–coal–floor composite mathematical model was established.The energy evolution for coal pillars under diverse w/h ratios was analyzed, and the failure energy ratio and elastic strain energy release rate were introduced to evaluate the failure severity. …”
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    Article