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Showing 7,161 - 7,180 results of 15,724 for search 'determined (coefficient OR efficiency) method', query time: 0.28s Refine Results
  1. 7161

    Probabilistic Optimal Planning of Passive Harmonic Filters in Distributed Networks Considering Possible Network Configurations with High Penetration of Non-linear Loads by Sajjad Fattahi Moghaddam, Saeid Esmaeili, Sina Shakeri, Mehran Mohammadnejad

    Published 2023-12-01
    “…Despite the good features such as low initial construction cost, high efficiency, and controllability, these loads cause harmonic distortions. …”
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    Article
  2. 7162

    Mineral Heterostructures for Simultaneous Removal of Lead and Arsenic Ions by Tijana Spasojević, Mirjana Ćujić, Vesna Marjanović, Zlate Veličković, Maja Kokunešoski, Aleksandra Perić Grujić, Maja Đolić

    Published 2024-11-01
    “…In addition to the experimental optimization of the parameters determined by the response surface method (RSM), the effects of pH, adsorbent dosage, temperature, and contact duration on the batch and column system adsorption efficiency of single-component and simultaneous lead and arsenate removal were tested. …”
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    Article
  3. 7163

    Problems in Modeling Three-Phase Three-Wire Circuits in the Case of Non-Sinusoidal Periodic Waveforms and Unbalanced Load by Konrad Zajkowski, Stanislaw Duer

    Published 2025-06-01
    “…Asymmetry in the supply voltage in three-phase circuits disrupts the flow of currents. This worsens the efficiency of the distribution system and increases the problems in determining the mathematical model of the energy system. …”
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    Article
  4. 7164

    Carbon Dot Functionalized Papers for the Selective Detection of 2,4,6-Trinitrophenol in Aqueous Solutions by Wenli Peng, Li Gan, Weihan Li, Shixiong Deng

    Published 2021-01-01
    “…The fluorescence quench intensity and TNP concentration exhibited a good linear correlation in the range of 0–80 μM with a minimum detection limit of 0.48 μM and a related coefficient of 0.994. The analytical method was applied to the determination of trace TNP in river water and tap water with recoveries in the range of 98%–110% and relative standard deviations less than 5%. …”
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    Article
  5. 7165

    Management of the business system of the enterprise by O. Grosheleva, M. Ivanova, O. Usatenko

    Published 2021-12-01
    “…The analysis of modern publications allowed to determine the absence of both common approach to understanding of content and structure of optimal communication policy and methods of its evaluation. …”
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    Article
  6. 7166

    Enhancing Explainable Artificial Intelligence: Using Adaptive Feature Weight Genetic Explanation (AFWGE) with Pearson Correlation to Identify Crucial Feature Groups by Ebtisam AlJalaud, Manar Hosny

    Published 2024-11-01
    “…The method we propose utilizes feature weights obtained through adaptive feature weight genetic explanation (AFWGE) with the Pearson correlation coefficient (PCC) to determine the most crucial group of features. …”
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    Article
  7. 7167

    Complexation reaction with Sm(III): a facile spectrophotometric quantification of daunorubicin in pharmaceutical preparation and biological fluids by Basima A. A. Saleem

    Published 2025-08-01
    “…Despite the importance of accurate measurements, published spectrophotometric methods for the determination of daunorubicin are limited, therefore, this study proposing a novel and rapid spectroscopic method based on the formation of a complex with samarium ions (III). …”
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    Article
  8. 7168

    Analysis of Machine Learning Performance in Spatial Interpolation of Rainfall Data by Alexandre E. L. Nobrega, Itamir M. Barroca Filho

    Published 2025-01-01
    “…Therefore, this study aims to analyze the performance of machine learning algorithms, including artificial neural networks, comparing them to the Inverse Distance Weighting method. The accuracy of the models was evaluated using the coefficient of determination, root mean square error, and concordance index, to confirm the effectiveness of these methodologies for maximum daily annual precipitation data. …”
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    Article
  9. 7169

    Critical Loads of Uniformly Compressed Orthotropic Rectangular Plate on an Elastic Base by I. M. Peshkhoev, B. V. Sobol

    Published 2022-10-01
    “…At the same time, the variational method in combination with the finite difference method was used to solve the boundary eigenvalue problem.Results. …”
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    Article
  10. 7170

    Improving SOC estimation in low-relief farmlands using time-series crop spectral variables and harmonic component variables based on minimum sample size by Chenjie Lin, Ling Zhang, Nan Zhong

    Published 2025-06-01
    “…These findings suggest that the proposed method holds the potential for efficient SOC estimation in low-relief farmlands.…”
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    Article
  11. 7171

    Investigation into the influence of vibratory roller dynamic characteristics on interaction features of Frame-Drum-Soil system elements by I. S. Tyuremnov

    Published 2025-07-01
    “…Vibratory rollers are widely used for soil compaction in various types of construction. The technological efficiency of vibratory rollers depends on their technical characteristics, including the frequency and driving force of vibrations, as well as the properties of the soil.Materials and methods. …”
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    Article
  12. 7172

    Hybrid feature selection for real-time road surface classification on low-end hardware: A machine learning approach by Cong Ngo Van, Duc-Nghia Tran, Ton That Long, Nguyen Gia Minh Thao, Duc-Tan Tran

    Published 2025-09-01
    “…Accurately classifying road surface conditions is crucial for maintaining road safety and facilitating effective maintenance. Vibration-based methods have proven effective in this field, utilizing vehicle vibration patterns to determine road surface conditions. …”
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  13. 7173

    GRU-based multi-scenario gait authentication for smartphones by Qi JIANG, Ru FENG, Ruijie ZHANG, Jinhua WANG, Ting CHEN, Fushan WEI

    Published 2022-10-01
    “…At present, most of the gait-based smartphone authentication researches focus on a single controlled scenario without considering the impact of multi-scenario changes on the authentication accuracy.The movement direction of the smartphone and the user changes in different scenarios, and the user’s gait data collected by the orientation-sensitive sensor will be biased accordingly.Therefore, it has become an urgent problem to provide a multi-scenario high-accuracy gait authentication method for smartphones.In addition, the selection of the model training algorithm determines the accuracy and efficiency of gait authentication.The current popular authentication model based on long short-term memory (LSTM) network can achieve high authentication accuracy, but it has many training parameters, large memory footprint, and the training efficiency needs to be improved.In order to solve the above problems a multi-scenario gait authentication scheme for smartphones based on Gate Recurrent Unit (GRU) was proposed.The gait signals were preliminarily denoised by wavelet transform, and the looped gait signals were segmented by an adaptive gait cycle segmentation algorithm.In order to meet the authentication requirements of multi-scenario, the coordinate system transformation method was used to perform direction-independent processing on the gait signals, so as to eliminate the influence of the orientation of the smartphone and the movement of the user on the authentication result.Besides, in order to achieve high-accuracy authentication and efficient model training, GRUs with different architectures and various optimization methods were used to train the gait model.The proposed scheme was experimentally analyzed on publicly available datasets PSR and ZJU-GaitAcc.Compared with the related schemes, the proposed scheme improves the authentication accuracy.Compared with the LSTM-based gait authentication model, the training efficiency of the proposed model is improved by about 20%.…”
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  14. 7174

    Integrated Control of Eimeria spp. in Broiler Chickens with Floor Brooding Technology in Industrial Production by E. O. Kachanova, R. T. Safiullin

    Published 2019-12-01
    “…The effectiveness of the comprehensive control of the exogenous and endogenous stages of coccidia in a poultry farm with a floor brooding of broiler chickens was determined as the efficiency or percentage reduction in the number of oocysts in bedding samples after slaughter of the previous and experimental batch of chickens, which was calculated by the formula.Results and discussion. …”
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  15. 7175

    Quantification of vitamin B<sub>12</sub> in infant formula by dimensional liquid chromatography with solid phase extraction by CHU Xiaojun, TAO Baohua, LAI Shiyun, ZHANG jingshun, SONG Yiwen, REN Yiping

    Published 2013-03-01
    “…Thus, it is very necessary and important to develop a sensitive, efficient and accurate method for determination of vitamin B<sub>12</sub>. …”
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  16. 7176

    Photodynamic therapy use for malignant neoplasms of extrahepatic bile ducts and major duodenal papilla in inoperable patients by E. Ph. Stranadko, R. N. Komarov, S. V. Morozov, A. I. Lobakov, V. A. Morokhotov, Yu. I. Zakharov, Yu. K. Bogomazov, M. V. Riabov, V. K. Shubin, P. B. Flegontov, N. V. Karpov

    Published 2023-05-01
    “…The dependence of patients' life expectancy on the number of PDT sessions during a year was revealed and the comparative analysis of two groups of photosensitizers (PS) efficiency was carried out.Research purpose: to estimate the effectiveness of photodynamic therapy (PDT) in treatment of VUC and IBD cancer; to determine the reasonability of repeated PDT courses and time intervals between them; to compare the effectiveness of photosensitizers Photodetazine and Photosens in treatment of these patients.Materials and Methods. …”
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    Article
  17. 7177

    Adsorption properties of tea polyphenols by hyperbranched poly (amine-ester) by Zhu Qing, Shi Yuanxu, Fan Dongmei, Yu Cuiping, Sun Zhiming, Wang Xiaochang

    Published 2014-05-01
    “…Therefore, it was studied widely to develop new methods or techniques to enhance the efficiency of extraction and purification of TPs (including EGCG).Now column chromatography is the main method in purification industry of TPs. …”
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  18. 7178

    Removal of trihalomethanes from activated Napier grass-derived adsorbent using liquefied gas and chemical pretreatment by S. Sriboonnak, A. Wongrueng, P. Rakruam, S. Nitayavardhana, P. Sittisom, A. Siyasukh, P. Induvesa, B. Sawangjang, S. Takizawa

    Published 2025-04-01
    “…Besides, this work aimed at improvement of efficiency and decrease costs associated with the removal of trihalomethanes.METHODS: The application of chemical pretreatments with sodium hydroxide, phosphoric acid, and ferric nitrate resulted in the generation of an adsorbent obtained from Napier grass. …”
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    Article
  19. 7179

    The Analysis of Driving Factors of Farm Land Equipment to Sprinkler Irrigation Systems (Case Study: the Villages of Ravansar Township) by Jafar Tavakoli, Davoud Jamini

    Published 2015-11-01
    “…The main research tool is a researcher-made questionnaire, whose validity, reliability and Cronbach's alpha coefficient were confirmed by university professors and relevant experts Wilcoxon test has been used to determine the effects of sprinkler irrigation systems on the farmers’ activities. …”
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  20. 7180

    Influencing factors of cross screening rate and its intelligent prediction model by Lala ZHAO, Feng XU, Chenlong DUAN, Chenhao GUO, Wei WANG, Haishen JIANG, Jinpeng QIAO

    Published 2025-07-01
    “…The prediction performance of each model was compared by using three evaluation indexes coefficient of determination (R2), mean square error (EMS) and mean absolute error (EMA). …”
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    Article