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Showing 6,201 - 6,220 results of 15,724 for search 'determined (coefficient OR efficient) (method OR methods)', query time: 0.32s Refine Results
  1. 6201

    Multifaceted Biological Activity of Rutin, Quercetin, and Quercetin’s Glucosides by Danuta Zielińska, Małgorzata Starowicz, Małgorzata Wronkowska, Henryk Zieliński

    Published 2025-06-01
    “…The antioxidant potency was determined by electrochemical methods, whereas the ability of these compounds to inhibit angiotensin-converting enzyme (ACE) activity, acetylcholinesterase (AChE) activity, and advanced glycation endproduct (AGE) formation was examined in bovine serum albumin (BSA)/glucose and BSA/methylglyoxal (MGO) model systems to show their importance against hypertension, Alzheimer-type dementia, and diabetic complication, respectively. …”
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  2. 6202

    Distinguishing novel coronavirus influenza A virus pneumonia with CT radiomics and clinical features by Lianyu Sui, Huan Meng, Jianing Wang, Wei Yang, Lulu Yang, Xudan Chen, Liyong Zhuo, Lihong Xing, Yu Zhang, Jingjing Cui, Xiaoping Yin

    Published 2024-12-01
    “…Abstract Objectives To differentiate novel coronavirus pneumonia (NCP) with influenza A virus (IAV) pulmonary infection based on computed tomography (CT) radiomics features combined with clinical feature. Methods A total of 292 patients were enrolled, as NCP determined with reverse-transcription polymerase chain reaction (RT-PCR) and abnormal chest CT findings and IAV pulmonary infection confirmed by nucleic acid test with pneumonia lesion in the chest CT, retrospectively. …”
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  3. 6203

    Parameters of the UNIQUAC model for describing the vapor-liquid phase equilibrium of D<sub>2</sub>-T<sub>2</sub>, D<sub>2</sub>-DT, DT-T<sub>2</sub> hydrogen isotope mixtures by T. G. Korotkova

    Published 2023-01-01
    “…Objectives. Determination of the parameters of the binary energy interaction of the (UNIversal QUAsiChemical) UNIQUAC model on the basis of mathematical processing of experimental literature data on the phase equilibrium of hydrogen isotopic mixtures D2-T2, D2-DT, DT-T2 to calculate the activity coefficients of the components D2, DT, and T2.Methods. …”
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  4. 6204

    Watershed Health Prediction based on Surface Water Quality Variables (Case Study: Taleghan Watershed) by Payam Ebrahimi, Ali Salajegheh, Mohsen Mohseni Saravi, Arash Malekian, Amir Sadoddin

    Published 2018-05-01
    “…Normal mode and normalized data usage are two methods to check data on entering the model. First, the variables that had the most effect on the model were determined and then the gene expression algorithm was created. …”
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  5. 6205

    Rapid Quality Assessment of Polygoni Multiflori Radix Based on Near-Infrared Spectroscopy by Bin Jia, Ziying Mai, Chaoqun Xiang, Qiwen Chen, Min Cheng, Longkai Zhang, Xue Xiao

    Published 2024-01-01
    “…The data suggest that the first-order deconvolution derivative (1st Dev.) processing of the spectral data is superior to other methods in all three model evaluation metrics. The PLSR model for moisture, stilbene glycosides, and anthraquinone glycosides produced the calibration coefficient of determination (R2C) of 0.82, 0.52, and 0.58, the root mean square error of cross validation (RMSECV) of 0.91%, 0.77%, and 0.69%, the prediction coefficient of determination (R2P) of 0.72, 0.28, and 0.54, the root mean square error of prediction (RMSEP) of 0.65%, 0.81%, and 0.75%, and relative percentage differences (RPDs) of 1.7, 1.0, and 0.8. …”
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  6. 6206

    MODERN APPROACHES TO THERAPY FOR CHILDREN WITH MUCOPOLYSACCHARIDOSIS by N. V. Buchinskaya, I. А. Chikova, E. А. Isupova, О. V. Kalashnikova, М. М. Kostik, V. G. Chasnyk

    Published 2014-05-01
    “…During the work the therapy efficiency analysis is made by the following criteria: data of objective examinations, ultrasound investigation of liver, spleen and heart, quantitative determination of excretion of urine glycosaminoglycans, assessment of articular and abarticular affection by JADI scale, assessment of social age and social coefficient by Doll's scale. …”
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  7. 6207

    Electric discharge process modelling when piston pins recovery in internal combustion engines by E. S. Savenko, E. S. Savenko, S. A. Matvienko, A. G. Kasparyants

    Published 2024-05-01
    “…The purpose of the article is to increase the efficiency of the method of restoring piston pins of internal combustion engines due to the use of the electrohydraulic distribution method.Materials and methods. …”
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  8. 6208

    Gas chromatography and mass spectrometry (GC-MS) analysis of supercritical CO<sub>2</sub> extract of flower bud of Chrysanthemum indicum and its antibacterial activity by WANG Chunrong, FANG Chengji, YU Qingqing, JIANG Peng, TIAN Wei

    Published 2013-03-01
    “…However, the supercritical fluid of CO 2 (SFE-CO<sub>2</sub>) is a low temperature processing technique and can fully keep the unique fragrance of Jumi, which is an efficient, nontoxic, pollution-free, and non-residual method to extract and separate Jumi essential oil.The objective of this paper is to evaluate the quality of Jumi essential oil extracted by SFE-CO<sub>2</sub> and determine its biological activity. …”
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  9. 6209

    Enhancing the Accuracy of Land Use/Cover Map Using Some Spectral Indices in Sarab County–East Azerbaijan by A. Sarabchi, H. Rezaei, F. Shahbazi

    Published 2024-11-01
    “…For the map generated using RGB+NIR+SWIR1 bands and employing SVM, overall accuracy and Kappa coefficient were determined to be 76.6% and 0.72, respectively. …”
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  10. 6210

    Reasoning with Inductive Argument Test: A Study of Validity and Reliability by Mehmet Emrah Karadere, Kas&yacute;m Fatih Yavuz, &Yacute;brahim Enis Kayran, Yasir &THORN;afak, Beng&uuml; Y&uuml;cens, Erkan Kuru, Mehmet Hakan T&uuml;rk&ccedil;apar

    Published 2013-12-01
    “…To test the reliability of the Turkish version of RIAT, Cronbach&#146;s alpha coefficient was calculated and the halving method was used for the test. …”
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  11. 6211

    The effect of new derivatives of 3-hydroxypyridine on the development of brain edema in bacterial purulent meningitis in experimental conditions by A. A. Agarkova, M. V. Pokrovsky, P. D. Kolesnichenko, A. V. Nesterov

    Published 2021-06-01
    “…Determination of the content of water fractions in brain tissue and blood was carried out by the thermogravimetric method.Results and discussion. 24 hours after the induction of meningitis, the free water content increases and the amount of bound water decreases. …”
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  12. 6212

    Design and predict the potential of imidazole-based organic dyes in dye-sensitized solar cells using fingerprint machine learning and supported by a web application by Mohamed M. Elsenety

    Published 2024-11-01
    “…Among of these, Deep Neural Network models of MLPRegressor algorithm based on the daylight fingerprint shows a significant coefficient of determination combined with the lowest errors. …”
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  13. 6213

    Problematic Internet Usage by Adolescents with Disabilities by I. P. Volkova, N. N. Koroleva, I. M. Bogdanovskaya, G. Yu. Ikonnikova, A. V. Mashkova

    Published 2019-11-01
    “…The study was carried out using empirical methods (questionnaires, psycho-diagnostic methods, survey methods); methods of quantitative analysis of empirical data, including methods of mathematical statistics: comparison of samples by the Mann-Whitney test; correlation analysis using the linear Pearson correlation coefficient. …”
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  14. 6214

    EVELOPMENT OF EDUCATIONAL SPECIALIST’S CREATIVITY IN THE PROCESS OF CONFLICT RESOLUTION by Darya N. Sergeeva

    Published 2016-06-01
    “…The article summarizes the results of the study of personality and creativity highlighted its main components. Methods. The methods involve theoretical analysis of the problem and the subject of investigation, philosophical, psychological, pedagogical, sociological literature research; empirical methods (school teacher’s psychological testing by means of hand-picked procedures); methods stimulating educational specialists to take initiative in the process of conflict situations› constructive resolution (training methods group discussion, role-playing and business games, specific situations analysis); quantitative and qualitative analysis of empirical results (computer data processing, data design in the form of tables, schemes, illustrations, diagrams, bar charts), methods of mathematical statistics (The Spearman's Rank Correlation Coefficient, φ-Fisher). …”
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  15. 6215

    Associated Factors with the Use of Health Services among Postmenopausal Women in Mashhad Based on the Theory of Planned Behavior: The Role of Health Literacy by Bahare Abdolmaleki, Nooshin Peyman, Habibolah Esmaili, Mohammad Tajfard

    Published 2019-06-01
    “…Data were analyzed by SPSS 24 software, using Kruskal–Wallis test, linear regression method, Pearson correlation coefficient and one-way analysis of variance. …”
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  16. 6216

    Rational well spacings for CO2 miscible flooding based on superposed relationships between connected sand bodies by JI Yingchun

    Published 2025-07-01
    “…Furthermore, the net income future value method was employed to optimize and establish a basic chart for rational well spacings for CO2 miscible flooding. …”
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  17. 6217

    Revealing the Immune Response of <i>Sitona callosus</i> Gyllenhal to Entomopathogenic Fungi <i>Beauveria bassiana</i> Infection Through Integrative Analyses of Transcriptomics and... by Nan Li, Xin Gu, Ming Xin, Xinpu Wang

    Published 2024-11-01
    “…Additionally, we utilized the Pearson correlation coefficient method to examine the relationships between differentially expressed immune-related genes and metabolites, revealing notably strong correlations between these two sets of variables. …”
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  18. 6218

    Experimental studies of natural material-based coatings for thermal protection of metallic surfaces by Alexander A. Genbach, David Yu. Bondartsev, Natalia A. Genbach, Ekaterina A. Genbach

    Published 2025-03-01
    “…The thermodynamic characteristics of thermal tools have been established in the model and experimentally; the granulometric composition of materials has been obtained; the hydrodynamic operating modes of the burners have been selected (fuel combustion method, jet length, jet angle). The flight time of the particles, the optimal thickness of the coatings, the diameter of the powder, and the limiting compression and tensile stresses of the coating have been determined. …”
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  19. 6219

    TECTONOPHYSICAL CRITERIA FOR FORECASTING THE LOCATIONS OF QUARTZ CRYSTAL DEPOSITS (CASE OF SUBPOLAR URAL) by L. A. Sim

    Published 2020-03-01
    “…Local stress states (LSS) and general stress fields for large blocks were reconstructed by the method described in [Sim, Marinin, 2015]. In the blocks with numerous occurrences of quartz crystal (Pelingichey and Omega-Shor blocks), the general stress fields is characterized by a stress state close to uniaxial tension, i.e. the Lode-Nadai coefficient µ=–1. …”
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  20. 6220

    Finite element analysis of dynamic impact damage process of maize kernel based on HyperMesh and LS-DYNA by WANG Bo, WANG Jun, DU Dongdong

    Published 2018-07-01
    “…A reverse engineering approach based on three dimensional (3D) scanning technology, finite element method (FEM)-based explicit dynamics simulations and response surface method (RSM) were utilized to investigate contact force, Von Mises stress and displacement characteristics, determine critical velocity of maize kernel. …”
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