Showing 621 - 640 results of 46,623 for search '"performance"', query time: 0.23s Refine Results
  1. 621
  2. 622

    Preparation of Silica Aerogel and Its Adsorption Performance to Organic Molecule by Hong-xin Shi, Jing-tao Cui, Hai-min Shen, Hong-ke Wu

    Published 2014-01-01
    “…There are few changes in their adsorption capacities after 3 cycles of adsorption-desorption. The adsorption performance of the silica aerogel to organic solvent in water is different from in pure solvents. …”
    Get full text
    Article
  3. 623
  4. 624

    Wear Performance of Bionic Dimpled-Shape Pistons of Mud Pump by Xuejing Cheng, Tianyu Gao, Shaofeng Ru, Qian Cong

    Published 2017-01-01
    “…By imitating the body surface morphology of the dung beetle, this paper proposed a new type (BW-160) of mud pump piston that had a dimpled shape in the regular layout on the piston leather cup surface and carried out a performance test on the self-built test rig. Firstly, the influence of different dimple diameters on the service life of the piston was analyzed. …”
    Get full text
    Article
  5. 625

    The melting performance blast furnace slags with high alumina content by Zheng H.-Y., Zhang Y., Wang Z., Du J.-L., Jiang X., Gao Q.-J., Shen F.-M.

    Published 2023-01-01
    “…With a view to understanding the performance of the blast furnace slag with high Al2O3 content, the effects of w(MgO)/w(Al2O3), w(CaO)/w(SiO2), and w(Al2O3) on the melting performance (melting characteristic temperature and melting heat) of the blast furnace slag with high Al2O3 content were investigated by the differential scanning calorimeter (DSC) method. …”
    Get full text
    Article
  6. 626
  7. 627
  8. 628

    Evaluation of municipal waste collection performance using operational data by G.M. Hoang, H.T.T. Ha, N.T.L. Le, N.D. Toan

    Published 2024-01-01
    “…The lack of practical evaluation of the waste collection performance is considered a gap in improving the waste collection system in these countries. …”
    Get full text
    Article
  9. 629
  10. 630

    Evaluation of early student performance prediction given concept drift by Benedikt Sonnleitner, Tom Madou, Matthias Deceuninck, Filotas Theodosiou, Yves R. Sagaert

    Published 2025-06-01
    “…Forecasting student performance can help to identify students at risk and aids in recommending actions to improve their learning outcomes. …”
    Get full text
    Article
  11. 631
  12. 632

    Enhancing performance of recycled aggregate concrete with supplementary cementitious materials by Abba Fatiha, Ezziane Karim, Adjoudj Mhamed, Abed Farid

    Published 2025-03-01
    “…The results reveal that SCM significantly improves the performance of RAC concrete by promoting filling effects, nucleation, pozzolanic reactions and hydraulic activity. …”
    Get full text
    Article
  13. 633

    A STATISTICAL STUDY ON KEY PERFORMANCE INDICATORS IN HEALTH SYSTEM by Lucian MIRESCU, Ana-Maria Camelia POPESCU

    Published 2023-05-01
    Subjects: “…key performance indicators…”
    Article
  14. 634

    Design of Honeycomb Microperforated Structure with Adjustable Sound Absorption Performance by Shanlin Yan, Jinwu Wu, Jie Chen, Qibo Mao, Xiang Zhang

    Published 2021-01-01
    “…The sound absorption performance can be changed by adjusting the height of back-cavity. …”
    Get full text
    Article
  15. 635

    Performance of Combined Water Turbine with Semielliptic Section of the Savonius Rotor by Kaprawi Sahim, Dyos Santoso, Agus Radentan

    Published 2013-01-01
    “…The results show that the distance of Savonius buckets from the shaft centre influences performance of combined turbine, and the attachment angle of Savonius rotor made important variation of turbine performance.…”
    Get full text
    Article
  16. 636

    Predicting Students’ Final Performance Using Artificial Neural Networks by Tarik Ahajjam, Mohammed Moutaib, Haidar Aissa, Mourad Azrour, Yousef Farhaoui, Mohammed Fattah

    Published 2022-12-01
    “…Several studies have been conducted in the field of education to solve the problem of student orientation and performance using various Machine Learning (ML) algorithms. …”
    Get full text
    Article
  17. 637

    Multi-Class Sentiment Analysis on Twitter: Classification Performance and Challenges by Mondher Bouazizi, Tomoaki Ohtsuki

    Published 2019-09-01
    “…The proposed approach of multi-class classification achieves an accuracy of 60.2% for 7 different sentiment classes which, compared to an accuracy of 81.3% for binary classification, emphasizes the effect of having multiple classes on the classification performance. Nonetheless, we propose a novel model to represent the different sentiments and show how this model helps to understand how sentiments are related. …”
    Get full text
    Article
  18. 638

    Performance of Variable Negative Stiffness MRE Vibration Isolation System by Run-pu Li, Cheng-bin Du, Fei Guo, Guo-jun Yu, Xiao-guo Lin

    Published 2015-01-01
    “…The relationship between the negative stiffness and the performance of the device is obtained by mathematical transformation. …”
    Get full text
    Article
  19. 639

    Bit-Sliced Implementation of SM4 and New Performance Records by Xin Miao, Lu Li, Chun Guo, Meiqin Wang, Weijia Wang

    Published 2023-01-01
    “…The above optimizations contribute to a significant performance gain on one core compared with the state-of-the-art results. …”
    Get full text
    Article
  20. 640

    Hydrological performance of gridded meteorological products in Peruvian Altiplano basins by Efrain Lujano, Renny Daniel Diaz, Rene Lujano, Miguel Sanchez-Delgado, Apolinario Lujano

    Published 2025-02-01
    “…The objective of this research was to assess the hydrological performance of gridded meteorological products in Peruvian Altiplano basins. …”
    Get full text
    Article