Showing 19,901 - 19,920 results of 21,415 for search '"Mathematics"', query time: 0.15s Refine Results
  1. 19901

    The Use of the Direct Optimized Probabilistic Calculation Method in Design of Bolt Reinforcement for Underground and Mining Workings by Martin Krejsa, Petr Janas, Işık Yilmaz, Marian Marschalko, Tomas Bouchal

    Published 2013-01-01
    “…Using this theory, it is possible to apply probabilistic computations based on the probability theory and mathematic statistics. Development of those methods has become more and more popular; it is used, in particular, in designs of load-carrying structures with the required level or reliability when at least some input variables in the design are random. …”
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  2. 19902

    Appraising the Pile Settlement Rates by Support Vector Regression Optimized Using the Novel Optimization Algorithms by Argyros Maris

    Published 2023-06-01
    “…Various items are considered to evaluate the movement of the piles that certainly help to understand a future picture of the project over the loading period. Most intelligent mathematical strategies in calculating the pile motion are operated. …”
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  3. 19903

    Improvements for the Planning Process in the Scrum Method by Miroslav Žáček, Adéla Hamplová, Jan Tyrychtr, Ivan Vrana

    Published 2024-12-01
    “…This study aims to enhance the sprint planning phase by integrating the BeCoMe method, which is a mathematical approach designed to optimize task selection through structured compromise solutions. …”
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  4. 19904

    Technical and economic efficiency of the unconventional propulsion units use for civilian aircraft of various purposes by A. R. Polyakov, O. A. Smolyakov, E. A. Ozdoeva, A. M. Neklyudova, V. S. Zakharchenko, А. N. Varyukhin

    Published 2023-05-01
    “…The role of accounting and management accounting data in economic and mathematical models is determined, which makes it possible to qualitatively reflect the economic efficiency of the life cycle of aviation products.…”
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  5. 19905

    An Investigation of Reformulation Markers in English and Persian Linguistics Articles by Maryam Koukhaei, Shahram Naghshbandi

    Published 2023-07-01
    “…The lowest frequency of the markers function links to implicit meaning (mathematical operations).…”
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  6. 19906

    Cyber Security and Key Management Issues for Internet of Things: Techniques, Requirements, and Challenges by Mohammad Faisal, Ikram Ali, Muhammad Sajjad Khan, Junsu Kim, Su Min Kim

    Published 2020-01-01
    “…We evaluate our scheme with the help of mathematical and statistical techniques.…”
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  7. 19907

    The Union between Structural and Practical Identifiability Makes Strength in Reducing Oncological Model Complexity: A Case Study by Maria Pia Saccomani, Karl Thomaseth

    Published 2018-01-01
    “…Mathematical models are increasingly proposed to describe tumor’s dynamic response to treatments with the aims of improving their efficacy. …”
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  8. 19908

    Modification Method of RV Cycloid Gear based on the Tooth Profile Pressure Angle Distribution by Jinfan Li, Tianxing Li, Yulong Li, Meng Tian, Jingyuan Zhou, Ruiyao Zhang

    Published 2021-10-01
    “…Based on the pressure angle distribution trend obtained by calculation and analysis,the mathematical model of tooth profile modification with straight-line method is established,and the function representation between the tooth profile pressure angle and the modification amount is deduced,the tooth contact analysis model is constructed,and the transmission error of modified cycloid-pin gear is obtained. …”
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  9. 19909

    Analysis of the influence of surface deformation on the stability of overhead transmission lines and countermeasures by Xiaokai Meng, Siqing Xu, Fan Hu, Shuai Wang, Zhumao Lu

    Published 2025-01-01
    “…These effects include redistribution of conductor tension and deviation of insulator strings. Through mathematical models and engineering approximations, the specific effects of tower foundation settlement and horizontal displacement along the line direction on the operating conditions of various levels of overhead lines were analyzed in detail. …”
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  10. 19910

    Mendel: corroboration of the idea of binary trait coding by methods of statistical physics by О. V. Trapezov

    Published 2015-07-01
    “…Probably, the ideas of binary combinations and mathematical probabilistic variants arose from Mendel’s long meditation and an imaginary experiment. …”
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  11. 19911

    Procedure of Active Residual Heat Removal after Emergency Shutdown of High-Temperature-Gas-Cooled Reactor by Xingtuan Yang, Yanfei Sun, Huaiming Ju, Shengyao Jiang

    Published 2014-01-01
    “…Transient analysis was carried out based on a one-dimensional mathematical model for steam generator and steam pipe of start-up loop to achieve safety and reliability. …”
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  12. 19912

    Analysis of transient characteristics and fault ride-through control of hybrid grid-tied converters with grid-following and grid-forming by Baoyu Zhai, Shuchao Liang, Zhi Xu, Fengyi Deng, Junru Chen, Haiyang Wu

    Published 2025-01-01
    “…If one of the converters experiences stability issues, it affects the other, making fault ride-through challenging. A mathematical model for the hybrid grid-connected system of the two converters is first established to analyze the existence conditions of the equilibrium point. …”
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  13. 19913

    Forecasting of Corrosion Properties of Steel Wires for Production of Guide Wires for Cardiological Treatment by J. Przondziono, W. Walke, E. Hadasik, R. Młynarski

    Published 2013-01-01
    “…The results of static tensile test enabled us to determine the course of flow curve of wires made of X10CrNi 18-8 steel as well as mathematical form of flow stress function. Resistance to electrochemical corrosion was evaluated on the ground of registered anodic polarisation curves by means of potentiodynamic method. …”
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  14. 19914

    Online Algebraic Estimation of Parameters and Disturbances in Brushless DC Motors by David Marcos-Andrade, Francisco Beltran-Carbajal, Alexis Castelan-Perez, Ivan Rivas-Cambero, Jesús C. Hernández

    Published 2024-12-01
    “…The proposed method is based on algebraic identification, known for its robust performance in both linear and nonlinear systems. In utilizing the mathematical model of a BLDC motor, a set of equations is derived to enable parameter estimation, assuming the availability of input and output measurements in open loop. …”
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  15. 19915

    Optimizing cut order planning: A comparative study of heuristics, metaheuristics, and MILP algorithms by Sharif Al-Mahmud, Jose Alejandro Cano, Emiro Antonio Campo, Stephan Weyers

    Published 2025-01-01
    “…The first approach uses conventional metaheuristic algorithms, while the second transforms the nonlinear COP mathematical model into a Mixed Integer Linear Programming (MILP) problem and uses commercial solvers for solution. …”
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  16. 19916

    Hydrodynamic Characteristics and Riverbed Evolution Analysis of the Bazizui Straight Branching Channel in Xinjiang River Based on MIKE21 by HU Kelong, JI Yong, CEN Yixing, ZHONG Heye, ZHANG Yue, ZHANG Lichen, WANG Yin, ZHANG Jie

    Published 2023-01-01
    “…To clarify the hydrodynamic characteristics and riverbed evolution trend of the branching channel bank in the Bazizui shipping section of Xinjiang River,this paper builds the two-dimensional mathematical model of the research water area by MIKE21 hydrodynamic module.It employs the hydrological data of Meigang Station to calibrate the model and verify the accuracy.On this basis,the hydrodynamic characteristics in different hydrological periods of the straight branching channel of Xinjiang River are analyzed,and the evolution trend of the branching channel section is clarified.The results show that the left branch is the main water branch,and the diversion ratio of the diversion channel decreases with the increase in flow.The velocity of flow is irregularly distributed and varies significantly between regions.The main stream appears in the left branch of the diversion section,and the maximum flow velocity is confirmed in the narrow part.The water level decreases uniformly from the diverging area to the confluence area.The overall stability of river pattern development and evolution is good,and the evolution of the water channel is mainly reflected in the local changes of riverbed scouring and silting in branching channels.The model can effectively simulate the diversion ratio and water level variation of the branching channel,which can provide a scientific basis for the study of river safety protection and navigation stability.…”
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  17. 19917

    Contribution to the Detection of Poor Quality Sildenafil Drugs in Burkina Faso Using High-Performance Thin-Layer Chromatography by Abdoul Karim Sakira, Mitéhélé Sandrine Marie Josiane Ouattara, Moussa Yabre, Moumouni Bande, Touridomon Issa Some

    Published 2021-01-01
    “…The establishment of the response function curves allowed the choice of the polynomial function applied to the peak areas. This mathematical model provides a validity range between 0.4 and 0.6 mg/mL. …”
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  18. 19918

    Predictive Modeling of Tool Life in Turning Using ANN-Taguchi Hybridization by Shrishail Sollapur B., Shubham R. Suryawanshi, Mitali Mhatre S., Dipak K. Dond, Ganesh Chate, Abhijit Bhowmik

    Published 2024-01-01
    “…There are established mathematical models for estimating the tool’s lifespan, particularly for CBN tools when performing turning operations. …”
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  19. 19919

    First true blood pressure measurement with micropulse detection of arterial opening achieved by Alan Murray, Dingchang Zheng, Clive J. Griffiths, Chengyu Liu, David J. Graham, Jeff Neasham, Adrian J. Cossor

    Published 2025-01-01
    “…Our solution avoids estimates, mathematical modelling, oscillometric algorithms, and inadequate calibration against numerous private clinical data sets. …”
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  20. 19920

    State Estimation Based on Sigma Point Kalman Filter for Suspension System in Presence of Road Excitation Influenced by Velocity of the Car by Chi Nguyen Van

    Published 2019-01-01
    “…This paper presents the method using the sigma point Kalman filter to estimate the suspension system’s states including the road excitation, the deflections, and the velocities of the sprung mass and unsprung mass. The mathematical model of the suspension system is rewritten for the state estimation problem, and the stochastic load profile is supposed the main noise input. …”
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