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Showing 2,961 - 2,980 results of 15,724 for search 'determined (coefficient OR efficient) (method OR methods)', query time: 0.32s Refine Results
  1. 2961

    Suitability of Mechanics-Based and Optimized Machine Learning-Based Models in the Shear Strength Prediction of Slender Beams Without Stirrups by Abayomi B. David, Oladimeji B. Olalusi, Paul O. Awoyera, Lenganji Simwanda

    Published 2024-12-01
    “…Among the ML models, XGB and GBR demonstrated the highest predictive accuracy, with coefficients of determination (R<sup>2</sup>) of 0.974 and 0.966, respectively, indicating strong correlation with experimental data. …”
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  2. 2962
  3. 2963

    Force-velocity-power variables derived from isometric and dynamic testing: metrics reliability and the relationship with jump performance by Amilton Vieira, Rafael Cunha, Carlos Gonçalves, Juliano Dal Pupo, James Tufano

    Published 2024-11-01
    “…The Pmax, derived from FVP, was correlated with jump performance, which might evidence the convergent validity of the method.…”
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  4. 2964

    Computing Lightning-Induced Voltages on Overhead Distribution Lines Using the RBF-FDTD Approach by Duc-Quang Vu, Nhat-Nam Nguyen, Tinh-Minh T. Le, Phan-Tu Vu

    Published 2025-01-01
    “…Simulation results for a typical 1-km, 110-kV line obtained using both the RBF-FDTD and conventional FDTD methods are compared against benchmark solutions from the Lightning-Induced Overvoltage (LIOV) software to validate accuracy and determine the optimal shape parameters for the RBFs. …”
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  5. 2965

    Determination of Substructure and Sub-ballast Layer Thickness of High-Speed Railway by Tran Anh DUNG, Pham Van KY, Le Hai HA

    Published 2024-12-01
    “…Using analytical methods, calculations were performed to determine optimal trackbed thickness. …”
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  6. 2966

    Simultaneous Determination of Candesartan and Hydrochlorothiazide in Human Plasma by HPLC-MS/MS by P. K. Karnakova, T. N. Komarov, O. A. Archakova, D. S. Shchelgacheva, A. A. Aleshina, N. S. Bagaeva, P. A. Karpova, I. E. Shohin

    Published 2021-11-01
    “…The aim of this study is to develop a method for quantitative determination of candesartan and hydrochlorothiazide in human plasma by high-performance liquid chromatography – tandem mass spectrometry (HPLC-MS/MS) for further bioequivalence studies.Materials and methods. …”
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  7. 2967
  8. 2968

    Performance evaluation of key energy-saving technologies in public institutions based on heat pump system in cold regions by Xin Liu, Xin Lai, Kailiang Huang, Hua Li, Guohui Feng, Zixiang Zhao, Shuai Hao

    Published 2025-08-01
    “…Research on the application of key energy-saving technologies in public institutions is an effective method to improve building energy efficiency and reduce energy wastage. …”
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  9. 2969
  10. 2970

    Design and Experiment of a Vertical Cotton Stalk Crushing and Returning Machine with Large and Small Dual-Blade Discs by Xiaohu Guo, Bin Li, Yang Liu, Shiguo Wang, Zhong Tang, Yuncheng Dong, Xiangxin Liu

    Published 2025-07-01
    “…The machine employs a differentiated configuration of large and small blade discs corresponding to four and two rows of cotton stalks, respectively, effectively reducing tool workload while significantly improving operational efficiency. A simulation model of the crushing and returning machine was developed using the discrete element method (DEM), and a flexible cotton stalk model was established to systematically investigate the effects of machine forward speed, crushing blade rotational speed, and knife tip-to-ground clearance on operational performance. …”
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  11. 2971

    Designing streets for people: a multicriteria decision-making study by Luiz Fernando Kowalski, Érico Masiero, António Manuel Saraiva Lopes, Marcos dos Santos, Carlos Francisco Simões Gomes, Dragiša Stanujkić

    Published 2024-11-01
    “…Conversely, AHP-Gaussian incorporates a sensitivity feature that lets decision-makers assign weights based on statistical analysis. Despite each method's limitations, both are suitable for urban projects, estimating decisions based on multiple technical aspects, thereby promoting more integrated and efficient choices.…”
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  12. 2972

    Health system determinants of access to essential medicines for children with cancer in Ghana by Avram Denburg, Sumit Gupta, Rhonda Boateng, Lorna Renner, Kadia Petricca

    Published 2020-09-01
    “…Background Evidence of the context-specific challenges related to childhood cancer drug (CCD) access is vital to improving outcomes for children with cancer in low- and middle-income countries, such as Ghana. We sought to determine the availability and cost of essential CCD in Ghana and identify the underlying determinants of access.Methods Our study integrated quantitative data on drug prices and availability with qualitative insights into health system and sociopolitical determinants of CCD access in Ghana. …”
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  13. 2973

    Determination and ecological risk assessment of phthalic acid esters in marine sediments by HU Hongmei, LI Tiejun, ZHANG Lu, HAO Qing, SUN Xiumei, JIN Yanjian, YING Zhongzhen, GUO Yuanming

    Published 2019-06-01
    “…We proposed a new method for the determination of 16 phthalic acid esters (PAEs) in marine sediments using gas chromatography-mass spectrometry (GC-MS) combined with ultrasonic extraction and dispersive solid phase extraction cleanup. …”
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  14. 2974

    An indirect competitive ELISA for determination of guanidine acetic acid in animal feed by Xingdong Yang, Lili Li, Yang Qu, Lihua Wu, Chenchen Wang, Beibei He, Zhenchun Zang, Xiaofei Hu

    Published 2025-05-01
    “…The indirect competitive ELISA method developed in this study was able to fulfil the requirements for the determination of GAA r esidues in animal feed.…”
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  15. 2975

    Quantitative Determination of Fluoroquinolones in Contaminated Soils by HPLC with Solid-Phase Extraction by bashar hussin qassim

    Published 2020-03-01
    “…The relative standard deviation (RSD) from intra-day and inter-day precision was lower than 7%, and the detection (LOD) and quantification (LOQ) limits ranged from 0.9 – 2.7ng g-1.Finally, the proposed method was applied to determine the target compounds in real soil samples irrigated with wastewater. …”
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  16. 2976

    Simultaneous Determination of Lead and cadmium in Environmental Samples Using Zinc-diethyldithiocarbamates by Bashar Qasim

    Published 2024-10-01
    “…In this study, a simple, rapid and selective spectrophotometric method with solid phase extraction method has been described for the simultaneous determination of lead (Pb) and cadmium (Cd) in environmental samples using a freshly precipitated zinc-diethyldithiocarbamate (Zn-(DDTC)2) as a reagent. …”
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  17. 2977

    Uncertainty analysis of initial orbit determination in the minimum radar admissible region by Yasheng Zhang, Jinyan Xue, Xuefeng Tao, Shuailong Zhao

    Published 2025-06-01
    “…The MRAR can contain the real orbit state with a probability greater than 99.7%; the weight coefficients of each sampling point in the MRAR are calculated by using the Bayesian formula, and the probability density function of the IOD is obtained by using the weighted kernel density estimation method. …”
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  18. 2978

    Green RP-HPLC method for simultaneous quantification of epigallocatechin-3-gallate and rosmarinic acid in lipid-based nanocarriers and biological fluids: Quality by design-driven o... by Rahul Koli, V.S. Mannur

    Published 2024-12-01
    “…Linearity was observed over a concentration range of 2 to 10 µg/mL for both EGCG and RA, yielding correlation coefficients of 0.998 and 0.999, respectively. The LOD and LOQ were determined to be 0.51 µg/mL and 1.54 µg/mL for EGCG, and 0.35 µg/mL and 1.07 µg/mL for RA. …”
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  19. 2979
  20. 2980

    The simultaneous determination of lycopene and β-carotene in fruit vegetables and plasma by HPLC by LI Xiang-rong, FANG Xiao, CHEN Qing-jun, HUANG Bai-fen

    Published 2000-07-01
    “…To establish a rapid determination method of lycopene and β-carotene in fruit vegetables and plasma, different pretreatments were used for different samples. …”
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