Showing 4,181 - 4,200 results of 6,053 for search 'model composition methods', query time: 0.21s Refine Results
  1. 4181

    Optimizing polyphenol extraction and UPLC-MS/MS analysis from red clover (Trifolium pratense L.) species using response surface methodology by Emily P. Verhulst, Carlos Álvarez, Nigel P. Brunton, Dilip K. Rai

    Published 2024-12-01
    “…The combined factors of ethanol concentration (60–80%), extraction time (15–45 min) and extraction temperature (40–80°C) were evaluated. Central composite design software was used to conduct Response Surface Methodology (RSM) modelling and optimize the polyphenol yield from the red clover. …”
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  2. 4182

    Identifying and ranking the effective financial factors on rural entrepreneurial small businesses by Khosro Farahi, Parvaneh Gelard, Hamid Tohidi

    Published 2024-03-01
    “…Data analysis and validation of financial factors on rural entrepreneurship in both service and agriculture sectors were performed using the fitting of a time-series regression model. The results indicate a positive and significant effect of rural population ratio, financing through financial institutions, economic growth, openness rate in business space, gender composition, and inflation rate in agriculture sectors, as well as a significant reverse effect of official employment rate, job-seeking population ratio, exchange rate uncertainty, government employment rate and graduation ratio on entrepreneurship in both service and agriculture sectors. …”
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  3. 4183

    Microfluidics study on immiscible displacement mechanisms of oil by hybrid low salinity water and polymer in fractured porous media by Masoumeh Amiri, Mobeen Fatemi

    Published 2025-08-01
    “…Abstract Application of hybrid low salinity water and polymer flooding (LSPF) as an enhanced oil recovery (EOR) method takes advantage from the wettability alteration by low salinity water and enhancement of mobility ratio by addition of polymer. …”
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  4. 4184

    Muzyka i horror. "Lśnienie" Stanleya Kubricka by Krzysztof Kozłowski

    Published 2009-06-01
    “…The study shall employ Carl Dahlhaus’ (1971) model of “method of interpretative analysis” used in respect to Richard Wagner as well as the notion of Wagners Konzeption des musikalischen Dramas. …”
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  5. 4185

    Enhanced photocatalytic degradation of methylene blue using zinc vanadate nanomaterials with structural and electrochemical properties by N. Matinise, N. Botha, A. Fall, M. Maaza

    Published 2025-07-01
    “…Abstract The development of Zn₃(VO₄)₂ nanomaterials was successfully achieved via a green chemistry method utilizing Moringa Oleifera extract. The photocatalytic performance of the synthesized nanomaterials was tested for the degradation of methylene blue (MB) under visible light irradiation. …”
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  6. 4186

    The effect of biofertilizer on water regime, intensity of photosynthesis and productivity of grain crops in the Steppe Pre-Urals by D. G. Fedorova, L. V. Galaktionov

    Published 2025-03-01
    “…The water regime parameters were studied according to the method of N.N. Kozhushko. Photometric diagnostics was carried out using a portable N-tester device (model PRAK 431155.022, manufactured by Agrotester LLC, Russia). …”
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  7. 4187

    Exploring ultrasound-induced free radical formation: A comparative study in water and sour cherry juice using glutathione and terephthalic acid indicators by Nursena Aktı, Semanur Yildiz

    Published 2025-01-01
    “…This study aims to assess free radical (FR) generation potential of ultrasound in water and sour cherry juice (SCJ) model systems using an indirect method with specific indicators including glutathione (GSH), a well-known antioxidant, and terephthalic acid (TPA), which fluoresces upon oxidation. …”
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  8. 4188

    Structural Characterizations and Biological Evaluation of a Natural Polysaccharide from Branches of <i>Camellia oleifera</i> Abel by Shengjia Lu, Yali Zhang, Yanghui Ou, Jianghui Xin, Hongliang Yao, Litao Guan

    Published 2025-01-01
    “…Additionally, we study its properties, such as monosaccharide composition, structural features, antioxidant, and anti-inflammatory abilities. …”
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  9. 4189

    Association between appendicular skeletal muscle mass and myocardial glucose uptake measured by 18F‐FDG PET by Young‐eun Kim, Dongwoo Kim, Jiwon Kim, Mijin Yun, Eun Seok Kang

    Published 2025-02-01
    “…In men, myocardial glucose uptake was significantly associated with ASM/Ht2 even after adjusting for multiple confounders in a multivariable linear regression model (standardized β = 0.397, P = 0.004, in men; β = − 0.051, P = 0.698, in women). …”
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  10. 4190

    Solid-Liquid Phase Equilibria of the Quaternary System (LiCl + LiBO2 + Li2B4O7 + H2O) at 308.15 K: Experimental and Theoretical Prediction by Hongya Shen, Qi Liu, Xiuxiu Yang, Yafei Guo, Dan Li, Lingzong Meng, Tianlong Deng

    Published 2022-01-01
    “…The isothermal dissolution equilibrium method was employed to obtain the solubilities and physicochemical properties of the quaternary system (LiCl + LiBO2 + Li2B4O7 + H2O) at 308.15 K in this work. …”
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  11. 4191

    Severe virus associated community acquired pneumonia: predictors of lethality by T. O. Pertseva, T. V. Kireyeva, K. O. Bielosludtseva, S. V. Boltyanskiy, O. P. Nazarenko

    Published 2016-06-01
    “…Factors that were significant predictors of mortality as a result of univariate analysis were tested using multifactorial analysis using logistic regression. In the final model, each parameter must have had a significant impact on mortality. …”
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  12. 4192

    Analysis of the speed and curvature of the trajectory in the problem of pursuing a set of targets by A. A. Dubanov

    Published 2021-10-01
    “…In the group model of pursuing multiple goals, the pursuers try to adhere to a network of predictable trajectories.Materials and Methods. …”
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  13. 4193

    TopoRSNet: A Unique Approach to Maintaining Topological Features for Digital Rock Image Rescaling With Minimal Quality Degradation by Kunning Tang, Yufu Niu, Ying DaWang, Vanessa Robins, Peyman Mostaghimi, Mark Lindsay, Ryan T. Armstrong

    Published 2025-06-01
    “…The efficacy of TopoRSNet is validated on two common geological rocks, and the results are compared to other rescaling methods. This method enables scalable analysis of multiscale rock features, allowing for broader integration of 3D imaging in geoscientific modeling, simulation, and machine learning workflows.…”
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  14. 4194

    Sorption Equilibria of Heavy Metals on Polysiloxane with Grafted 2-aminoethylpyridine Functional Groups by A. S. Zasuhin, L. K. Neudachina, Yu. G. Yatluk, V. A. Osipova, Yu. S. Moskaleva, E. F. Muzipova, M. V. Morozova, V. A. Starcev

    Published 2010-08-01
    “…A new silica-based organic-inorganic hybrid material with grafted 2-aminoethylpyridine functional groups (SiAEP) has been synthesized by sol-gel method. Methods of the elemental analysis, 13С and 1H NMR spectroscopy have been used in order to find substance composition; surface-structural characteristics of the SiAEP have been defined by method of nitrogen adsorption–desorption isotherms. …”
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  15. 4195

    Kinetic regularities of neopentyl glycol esterification with acetic and 2-ethylhexanoic acids by D. S. Chicheva, E. L. Krasnykh, V. A. Shakun

    Published 2024-03-01
    “…The paper presents the kinetic models of esterification.…”
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  16. 4196

    Modulating the Plant Microbiome: Effects of Seed Inoculation with Endophytic Bacteria on Microbial Diversity and Growth Enhancement in Pea Plants by Shervin Hadian, Donald L. Smith, Skaidrė Supronienė

    Published 2025-03-01
    “…Utilizing cutting-edge methods such as rarefaction curves, rank abundance modeling, and metagenomic analysis, this research provides a detailed understanding of how these bacterial strains influence plant associated microbiomes. …”
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  17. 4197

    INTERNET OF THINGS FOR ROBOTIC PROJECTS by Igor Nevliudov, Oleksandr Tsymbal, Artem Bronnikov, Olexandr Mordyk

    Published 2020-09-01
    “…The goal of the work is to integrate IOT technology with models and decision-making methods in order to create an adaptive control system for flexible robotic production. …”
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  18. 4198

    THE COMPLEX USE OF LOCAL TYPES OF FUEL IN THE POROUS CONSTRUCTION MATERIALS PRODUCTION by N. P. Voronova, B. V. Lesun

    Published 2014-08-01
    “…The article presents a comprehensive low-waste technology is the use of local fuels, which can be used in the technology of some porous building materials. Also provides new methods of preparation of porous building materials based on aggloporite using local fuels and waste energy on the basis of milled peat, fuel briquettes and wood chips allow to replace expensive imported components that comprise the raw mixtures (coal, anthracite).On the basis of mathematical modeling of cooling in reheat furnaces pusher drive developed a method of engineering calculation mode batch hardening in agglomeration. …”
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  19. 4199

    Thermoelectric system for cooling and air conditioning in passenger cars by O. V. Evdulov, M. I. Mikailov, R. M. Magomedov

    Published 2025-01-01
    “…The aim of the study is to develop a design of a thermoelectric system (TES) for cooling and air conditioning in the passenger compartment of a car, its calculation, analysis of parameters and electrical and thermal characteristics. Method. The study is based on the methods of natural and computational modeling of air conditioning and life support systems in order to find optimal solutions for efficiency, reliability and service life of low-temperature installations, machines and devices. …”
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  20. 4200

    Multi-channel learning for integrating structural hierarchies into context-dependent molecular representation by Yue Wan, Jialu Wu, Tingjun Hou, Chang-Yu Hsieh, Xiaowei Jia

    Published 2025-01-01
    “…Yet, existing molecular SSL methods largely overlook chemical knowledge, including molecular structure similarity, scaffold composition, and the context-dependent aspects of molecular properties when operating over the chemical space. …”
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