Showing 21,921 - 21,940 results of 22,513 for search '"Mathematics"', query time: 0.10s Refine Results
  1. 21921
  2. 21922
  3. 21923
  4. 21924
  5. 21925
  6. 21926
  7. 21927
  8. 21928
  9. 21929
  10. 21930
  11. 21931
  12. 21932
  13. 21933

    Experimental Estimation of the Heat Transfer Coefficient of an Unglazed Solar Plate for Unsteady Humid Outdoor Condition by Felix Uba, Eric Osei Essandoh, Gilbert Ayine Akolgo, Richard Opoku, Lawrence Oppong-Kyereh, Eric Anokye Gyimah

    Published 2021-01-01
    “…The purpose for undertaking this research is to investigate the correlation between the heat transfer coefficient and air speed and also verify whether heat transfer from unglazed solar thermal collectors under outdoor conditions can be experimentally determined using a particular mathematical relationship for different locations. In estimating the heat transfer coefficient for an unglazed solar plate in an unsteady humid outdoor condition, an experiment was held using an outdoor setup that measured temperatures, wind speeds, and solar radiations from 11:00 A.M. to 2:00 P.M. …”
    Get full text
    Article
  14. 21934

    Forecasting the development of antimicrobial resistance of S. aureus by Oleh Shemetov, Mariia Faustova, Tetiana Perepelova, Hennadii Balia, Ihor Pavlish, Galina Loban'

    Published 2025-01-01
    “…Moreover, representatives of this species of bacteria can develop complete (100.0%) resistance to tetracycline as early as 2027.ConclusionsMathematical prediction of the development of antimicrobial sensitivity of S. aureus isolates showed a high probability of its development to antibiotics of all groups in the next five years.…”
    Get full text
    Article
  15. 21935

    Comprehensive Research on Energy Saving Synergy Optimization and Optimal Real-time Control of Hybrid Electric Mining Trucks by Li Hongliang, Zhang Guojing, Fan Ping

    Published 2024-07-01
    “…This study takes the hybrid electric mining truck as a research object, establishes the mathematical model of the whole vehicle, takes reducing fuel consumption as the goal, establishes a collaborative optimization model that comprehensively considers the interaction between transmission system parameters and energy management strategies, and combines particle swarm optimization (PSO) algorithm and dynamic programming (DP) algorithm to build a two-layer interactive optimization algorithm to eliminate the interaction between transmission system parameters and energy management strategies. …”
    Get full text
    Article
  16. 21936

    Numerical investigation on structure optimization and heat transfer of a phase change accumulator based on changing eccentricity and fin parameters by Shi Yiting, Zhang Liting, Yang Yongwen, Zhang Tao, Li Qifen

    Published 2025-01-01
    “…Specifically, based on CFD simulation software and the enthalpy method mathematical model, a numerical model of the phase transformation process of tubular paraffin coupled with thermal conductivity and natural convection was established, and its heat absorption and heat release characteristics were simulated. …”
    Get full text
    Article
  17. 21937

    Research of Regenerative Braking Strategy for Electric Vehicles by Van Nghia Le, Hoang Phuc Dam, Trong Hoan Nguyen, S. V. Kharitonchik, V. A. Kusyak

    Published 2023-04-01
    “…The relative error of the mathematical modeling results of the braking energy regeneration processes is 4.5 %, which indicates the adequacy of the electric vehicle simulation model and the possibility of its using as a base for research and comparison of the energy efficiency of various regenerative braking strategies. …”
    Get full text
    Article
  18. 21938

    Location privacy protection method based on lightweight K-anonymity incremental nearest neighbor algorithm by Saite CHEN, Weihai LI, Yuanzhi YAO, Nenghai YU

    Published 2023-06-01
    “…The use of location-based service brings convenience to people’s daily lives, but it also raises concerns about users’ location privacy.In the k-nearest neighbor query problem, constructing K-anonymizing spatial regions is a method used to protects users’ location privacy, but it results in a large waste of communication overhead.The SpaceTwist scheme is an alternative method that uses an anchor point instead of the real location to complete the k-nearest neighbor query,which is simple to implement and has less waste of communication overhead.However,it cannot guarantee K-anonymous security, and the specific selection method of the anchor point is not provided.To address these shortcomings in SpaceTwist, some schemes calculate the user’s K-anonymity group by introducing a trusted anonymous server or using the way of user collaboration, and then enhance the end condition of the query algorithm to achieve K-anonymity security.Other schemes propose the anchor point optimization method based on the approximate distribution of interest points, which can further reduce the average communication overhead.A lightweight K-anonymity incremental nearest neighbor (LKINN) location privacy protection algorithm was proposed to improve SpaceTwist.LKINN used convex hull mathematical tool to calculate the key points of K-anonymity group, and proposed an anchor selection method based on it, achieving K-anonymity security with low computational and communication costs.LKINN was based on a hybrid location privacy protection architecture, making only semi-trusted security assumptions for all members of the system, which had lax security assumptions compared to some existing research schemes.Simulation results show that LKINN can prevent semi-trusted users from stealing the location privacy of normal users and has smaller query response time and communication overhead compare to some existing schemes.…”
    Get full text
    Article
  19. 21939

    Investigation Of The Relationship Between Examination Anxiety And Early Maladaptive Schemas Of Students Who Are Preparing For University Examination by Azize ATLI ÖZBAÞ, Aslýhan SAYIN, Behçet COÞAR

    Published 2012-08-01
    “…Number of siblings was related with Entitlement (OR= -10.1;P=<0.01), importance attributed to examination was related with Failure to Achieve (OR= -7.9; P=<0.05) and Subjugation (OR= -5.8; P=<0.01); while the type of division (Science/ Mathematic-Turkish) was related with all schema sub-types (forEmotional Deprivation OR= -11.9, P=<0.01; Failure to Achieve OR= -11.5, P=<0.01; Subjugation OR= -4.7, P=<0.05;Emotional Inhibition OR= -5.9, P=<0.01; and Entitlement OR= -4.5; P=<0.01). …”
    Get full text
    Article
  20. 21940

    Chitosan-Based Polyion Multilayer Coating on NPK Fertilizer as Controlled Released Fertilizer by Yuni Kusumastuti, Alit Istiani, Rochmadi, Chandra Wahyu Purnomo

    Published 2019-01-01
    “…On the other hand, the modification of the arrangement of chitosan-alginate layers showed that the fertilizer with the alternating layer arrangement (CA)5 was able to optimally increase the compressive strength. The mathematical model for the nitrogen release of coated fertilizer is also prepared and simulated with the MATLAB software. …”
    Get full text
    Article