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Showing 1,661 - 1,680 results of 2,280 for search '(( variables function coefficient. ) OR ( variable function efficient. ))*', query time: 0.16s Refine Results
  1. 1661

    Determination of parameters of reliability-oriented maintenance of coal mine dump trucks by Chernyh V.G., Otrokov A.V., Grinko D.A., Grinko A.A., Mironova A.O., Bogatyrev A.R.

    Published 2025-04-01
    “…In today's world, where technology is developing at an incredible rate, and requirements for safety and production efficiency are becoming more stringent, a risk-based approach to mining equipment maintenance is very relevant. …”
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    Article
  2. 1662

    Proportional Topology Optimization algorithm with virtual elements for multi-material problems considering mass and cost constraints by Minh Tuan Tran, Minh Ngoc Nguyen

    Published 2023-12-01
    “…., the derivative of the objective function with respect to design variables. Instead, the amount of material distributed into each element is determined proportionally to the contribution of that element to the objective function. …”
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  3. 1663

    Design and evaluation of BOOGIE: a collector for the analysis of cloud composition and processes by M. Vaitilingom, M. Vaitilingom, C. Bernard, M. Ribeiro, C. Verhaege, C. Verhaege, C. Gourbeyre, C. Berthod, A. Bianco, L. Deguillaume, L. Deguillaume

    Published 2025-03-01
    “…<p>In situ cloud studies are fundamental to study the variability in cloud chemical and biological composition as a function of environmental conditions and assess their potential for transforming chemical compounds. …”
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  4. 1664

    Development of data-driven machine learning models and their potential role in predicting dengue outbreak by Bushra Mazhar, Nazish Mazhar Ali, Farkhanda Manzoor, Muhammad Kamran Khan, Muhammad Nasir, Muhammad Ramzan

    Published 2024-11-01
    “…This involves gathering data on various climatic factors, including temperature, rainfall, relative humidity, and wind speed, along with monthly records of dengue cases. The study functions as an efficient warning system, enabling the anticipation of dengue outbreaks. …”
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    Article
  5. 1665

    Two Weighted Fuzzy Goal Programming Methods to Solve Multiobjective Goal Programming Problem by Mousumi Gupta, Debasish Bhattacharjee

    Published 2012-01-01
    “…Here, the relative weights represent the relative importance of the objective functions. The proposed methods involve one additional goal constraint by introducing only underdeviation variables to the fuzzy operator λ (resp., 1-λ), which is more efficient than some well-known existing methods such as those proposed by Zimmermann, Hannan, Tiwari, and Mohamed. …”
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  6. 1666

    An enhanced buck-boost converter for photovoltaic diagnosis application: Accurate MPP tracker and I-V tracer by Yassine Chouay, Mohammed Ouassaid

    Published 2025-03-01
    “…In normal operation, the converter is controlled by neural network (NN) controller to efficiently extract maximum power point (MPP). However, in the event of a system failure, the converter automatically transitions to variable load mode to capture different points on the current-voltage (I-V) curve. …”
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  7. 1667

    Comparative Evaluation of 5-<i>n</i>-Alkylresorcinol Extraction Conditions from Wheat Bran via Metabolite Profiling: Implications for Antiproliferative Activity by Ronald Marentes-Culma, Ericsson Coy-Barrera

    Published 2025-06-01
    “…This finding suggests that both side-chain length and functionalization (e.g., keto groups) influence AR bioactivity. …”
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  8. 1668

    Mitochondrial genome and transcription of Shiraia-like species reveal evolutionary aspects in protein-coding genes by Xiao-Ye Shen, Xue-Ting Cao, Xiao-Bo Huang, Lan Zhuo, Hui-Meng Yang, Li Fan, Cheng-Lin Hou

    Published 2025-02-01
    “…The complete mitogenomes of hypocrellin-producing Pseudoshiraia conidialis strains were analysed in the present study, with functional gene variations through comparative genomics and transcriptomics. …”
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  9. 1669

    Numerical Mixing Index: Definition and Application on Concrete Mixer by Cristian Ferrari, Nicolò Beccati, Luca Magri

    Published 2025-03-01
    “…The method predicts the distribution efficiency of the materials within a truck mixer as a function of its internal geometry, rotation speed, and mixture composition. …”
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  10. 1670

    Providing a Framework for Performance Evaluation of Organizations in Successfully Implementing TQM, Based on Knowledge Management Approach and Organizational Agility by Neda Irannejad, Hadi Shirouyehzad, Arash Shahin

    Published 2023-01-01
    “…To express the above-given relationship, group interpretive structural modelling (ISM (interpretive structural modelling)) techniques have been used to rank the components of each domain; also, fuzzy quality function deployment (FQFD (fuzzy quality function deployment)) technique has been applied to find the weight and relationship of the three mentioned domains by examining the independent and interface variables of the previous step. …”
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    Article
  11. 1671

    Reliability and validity of a Japanese version of life-space assessment in institutionalized settings by Tomoyuki Shinohara, PhD, Shota Saito, MS, Ayumi Maruyama, Yuta Yabana, Yosuke Tomita, PhD, Klaus Hauer, PhD

    Published 2024-12-01
    “…Purpose: A reduction in life space (LS) is associated with a negative impact on medical and functional status during hospitalization, with potential consequences after discharge. …”
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  12. 1672

    Removal of chromium from synthetic wastewater by electrocoagulation and using natural coagulant (blend of hen eggshell powder with lime): optimization of response surface methodolo... by Werkne Sorsa Muleta, Firomsa Bidira Abdi, Endrias Adane Bekele

    Published 2025-02-01
    “…The central composite design of the response surface methodology was employed to estimate and optimize process variables, such as initial Cr concentration (225–475 mg/L), solution pH (5–9), and current density (0.35–045 A/m2), and treatment time (30–40 min) with an electrode distance (ED) of 0.5 and 1 cm, respectively. 99.90% and 99.74% of removal efficiencies were observed at initial Cr concentration of 456.11 mg/L, a solution pH of 5.45, with current density of 0.47 A/m2, and treatment time of 36.84 min. …”
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  13. 1673

    Research on Constraint Processing Method of High-dimensional Optimization Operation Problem of Cascade Reservoirs by Zhongzheng HE, Shuliang LI, Wei HUANG, Feng YAN, Jisi FU, bin XIONG

    Published 2024-11-01
    “…The intelligent optimization algorithm is a multidimensional linkage random search, which boasts a vast optimization space but suffers from low optimization efficiency. Therefore, this study introduces a constraint processing approach that integrates a penalty function with nested DPSA–POA and intelligent algorithms and applies it to the optimal flood control operation problem of cascade reservoirs in the middle reaches of the Ganjiang River, with decision variables extending to 2196 dimensions. …”
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  14. 1674

    ECOLOGICAL TOLERANCE OF THE SPRING BARLEY VARIETY ‘PRERIYA’ ON THE BLACKEARTH (CHERNOZEM) OF THE ROSTOV REGION by I. N. Ilinskaya, M. I. Rychkova

    Published 2018-06-01
    “…The study has found that the cultivation of the spring barley variety ‘Prerie’ is ecologically stable in a five-crop rotation sequence, the structure of which includes peas, winter wheat, sunflower and perennial grasses with subsoil plowing with the use of 1 kg/ha mineral fertilizers N90Р40К90, which provides a minimum variability in yield (10%) and the highest coefficient of environmental stability of the studied variety (0.58). …”
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  15. 1675

    Spatial-temporal Evolution and Driving Factors of Ecological Environment Quality in Weihe River Basin Based on Remote Sensing Ecological Index by Wu Mengyue, Li Yu

    Published 2025-01-01
    “…The average value of the variation coefficient of RSEI in Weihe River Basin is 0.211, showing a low fluctuation as a whole, and the low fluctuation changes are distributed in mountainous areas such as the Qinling mountains, Qianshan, Guanshan and Ziwuling mountains, mainly in areas with high ecosystem functions and relatively stable community structure. …”
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  16. 1676

    Estimation of mineral content in forages by near-infrared reflectance spectroscopy by Andrej LAVRENČIČ, Bruno STEFANON, Andrej OREŠNIK

    Published 2002-08-01
    “…On the contrary, NIRS did not estimate Na content very accurately (R2 = 0.52; coefficient of variability of cross validation (CVSECV) = 35.5%), suggesting that Na is not closely associated with organic functional groups or that the amount of the mineral is below the level of NIRS detection. …”
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  17. 1677

    Morphological and biochemical characterization of Moroccan Opuntia dillenii fruit: Natural source of bioactive compounds by Sofia ZAZOULI, Ghizlane Kabiri

    Published 2024-11-01
    “…Methods:The morphological traits, biochemical parameters, and antioxidant content of the Moroccan O. dillenii fruit fractions, namely peel, juicy pulp, and seeds, were investigated. Results: The coefficient of variation of the morphological traits oscillated between 16.03 % for fruit weight and 51.83 % for seed weight, indicating a broad level of morphological variability. …”
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  18. 1678

    Empirical Validation of a Streamlined Three-Repetition Sit-to-Stand Protocol Using MAI Motion by Yan Wen, Tanvi Verma, Jonathan P. Whitehead, Paul Lee

    Published 2025-05-01
    “…MAI Motion is a motion capture system designed to assess lower-limb biomechanics during functional movements like the sit-to-stand (STS) test. …”
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  19. 1679

    The Impact of Corporate Governance on Earnings Management in Palestine: The Moderating Effects of Political Instability by Ali Hassan Ibraheem Aljadba, Norhaziah Nawai, Nur Hidayah Laili

    Published 2021-04-01
    “…The results of this work may assist the regulatory bodies, policymakers, and practitioners in revising the corporate governance code to promote the efficiency of the BOD and AC monitoring functions for the purpose to improve the faithfulness and reliability of financial reports and also to deter the management from engaging in critical levels of EM.…”
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  20. 1680

    Revolutionizing proton exchange membrane fuel cell modeling through hybrid aquila optimizer and arithmetic algorithm optimization by Manish Kumar Singla, S. A. Muhammed Ali, Ramesh Kumar, Pradeep Jangir, Mohammad Khishe, G. Gulothungan, Haitham A. Mahmoud

    Published 2025-02-01
    “…These parameters function as decision variables, and the objective function aimed for minimization is the sum square error (SSE) between the predicted and actual measured cell voltages. …”
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