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Showing 901 - 920 results of 15,724 for search 'determined (coefficient OR efficiency) method', query time: 0.29s Refine Results
  1. 901
  2. 902

    基于数字图像比色法的食用油酸价检测研究Determination of acid value of edible oil by digital image colorimetry-based method by 李跃凡1,马改琴1,王媛媛1,张帆2,于修烛1LI Yuefan1, MA Gaiqin1, WANG Yuanyuan1, ZHANG Fan2, YU Xiuzhu1

    Published 2025-07-01
    “…In conclusion, the digital image colorimetry-based method is simple and convenient, and can be used for the determination of acid value of edible oil.…”
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    Article
  3. 903

    Analysis on APF Calculation Problem Caused by the Optional Method to Obtaining Performance Parameters of Low-temperature Intermediate Refrigeration Condition in GB 21455—2019 by Chen Xuancheng, Zhuang Dawei, Ding Guoliang, Yu Yuefeng, Cheng Jianhong, Wu Guoming

    Published 2023-01-01
    “…Based on the definition formula of APF, this study presents the reason for the difference in the APF value determined by the test method and the conversion method at the low-temperature intermediate refrigeration condition. …”
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    Article
  4. 904

    A method for determining the complex value of technical losses of full power in power three-phase two-winding transformers with account of additional losses from higher harmonic co... by S. S. Kostinskiy, A. V. Bogdan, E. I. Satsuk, A. S. Zasypkin

    Published 2025-01-01
    “…The study develops and test a methodology for determining the complex value of technical losses of full power in power three-phase two-winding transformers, taking into account additional losses from higher harmonic components.Materials and methods. …”
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    Article
  5. 905

    Features of the change in the thermal coefficient of electrical resistance upon heating electrically conductive composites of crystallizable polyolefins with carbon black by A. V. Markov, A. E. Zverev, V. A. Markov

    Published 2024-11-01
    “…To investigate electrically conductive polymer composite materials (EPCMs) based on crystallizable polyolefins and electrically conductive carbon black for the production of self-regulating heaters; to study the mechanism of the occurrence of positive and negative temperature coefficients (PTC and NTC) upon heating such composites.Methods. …”
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    Article
  6. 906

    Diffuse attenuation coefficient and bathymetry retrieval in shallow water environments by integrating satellite laser altimetry with optical remote sensing by Changda Liu, Huan Xie, Qi Xu, Jie Li, Yuan Sun, Min Ji, Xiaohua Tong

    Published 2025-02-01
    “…The BRI allowed us to determine the bottom reflectance and classify the seafloor using the Gaussian mixture model clustering method. …”
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    Article
  7. 907

    In Situ Calculation of Spaceflight Magnetometer Coupling Coefficients for Interference Removal Using the Reduction Algorithm for Magnetometer Electromagnetic Noise (RAMEN) by Alex P. Hoffmann, Mark B. Moldwin

    Published 2025-04-01
    “…However, this technique requires careful preflight characterization of the spacecraft's magnetic field to determine the dipole coupling coefficients and sufficient boom length. …”
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    Article
  8. 908

    Combination of solid-liquid hollow fiber liquid phase microextraction method with electromembrane extraction for extraction of Tolmetin and its determination followed by high perfo... by Samaneh Niazipour, Jahan Bakhsh Raoof, Milad Ghani, Reza Ojani

    Published 2025-09-01
    “…Objective: Herein, a reliable and sensitive method for the determination of tolmetin in biological samples was developed by combining solid-liquid hollow fiber liquid phase microextraction (HF-LPME) method with electromembrane extraction (EME) followed by high-performance liquid chromatography with UV detection (HPLC-UV), to enable safe and effective therapeutic monitoring. …”
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    Article
  9. 909

    A Simple Green Method for the Determination of Hydrogen Peroxide and Fe(III)/Fe(II) Species Based on Monitoring the Decolorization Process of Polymethine Dye Using an Optical Immer... by Arina Skok, Yaroslav Bazel, Maksym Fizer

    Published 2024-12-01
    “…The most important analytical characteristics of the methods, such as linearity intervals of calibration graphs, precision, LOD and LOQ values, selectivity coefficients, etc., were determined. …”
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    Article
  10. 910

    A novel method for the determination of organophosphorus pesticides in urine samples using a combined gas diffusion microextraction (GDME) and gas chromatography-mass spectrometry... by Mohammadreza Jafari, Ali Gholami, Maryam Akhgari

    Published 2025-06-01
    “…This study introduces a novel and sensitive method for determining organophosphorus pesticides in urine using Gas Diffusion Microextraction (GDME) combined with Gas Chromatography-Mass Spectrometry (GC–MS). …”
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    Article
  11. 911

    Discontinuous Current Vector Control Using PWM Method for Switched Reluctance Motor Driven With Asymmetric H-Bridge Converter by Keitaro Kawarazaki, Ryoto Kojima, Nobukazu Hoshi

    Published 2025-01-01
    “…In the experimental verification, the efficiency of the proposed method was improved by a maximum of 7.73 percentage points in the converter efficiency, 4.06% points in the motor efficiency, and 9.12% points in the system efficiency compared to the conventional vector control method. …”
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    Article
  12. 912
  13. 913

    Unsupervised Identification for 2-Additive Capacity by Principal Component Analysis and Kendall’s Correlation Coefficient in Multi-Criteria Decision-Making by Xueting Guan, Kaihong Guo, Ran Zhang, Xiao Han

    Published 2024-12-01
    “…In this paper, we develop a novel unsupervised method for identifying 2-additive capacities by means of Principal Component Analysis (PCA) and Kendall’s correlation coefficient. …”
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    Article
  14. 914

    Methodology of online assessment of technical state of transformer substation 35/6 (10) kV by express analysis coefficient by I. V. Ivshin, A. R. Galyautdinova, O. V. Vladimirov, M. F. Nizamiev, I. K. Usmanov

    Published 2021-10-01
    “…Express analysis provides remote monitoring, monitoring of the condition of the operating equipment and forecasting changes in the technical condition.RESULTS. The proposed method for determining the coefficient of express analysis allows online monitoring of changes in monitored parameters, reducing the recovery time of failed elements, and maintaining equipment in a working condition. …”
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    Article
  15. 915

    DETERMINATION OF VEGETABLE FATS IN FOOD PRODUCTS by D. A. Utyanov, A. V. Kulikovskii, N. L. Vostrikova, A. N. Ivankin

    Published 2019-01-01
    “…Tightening control over the quality and safety of food products leads to an expansion of the list of standardized indicators and the regulatory framework of research methods. Despite the lack of established standards and requirements for fatty acid composition (FAC) of meat products and the content of vegetable fats in it, methods have been developed for determining FAC and vegetable fats. …”
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    Article
  16. 916

    Study on diffusion coefficient of benzene and ethyl benzene vapours in nanoporous silica aerogel and silica aerogel-activated carbon composites by A. Mohammadi, J. Moghaddas

    Published 2019-03-01
    “…For the first time, the experimental data have been fitted with intra-particle diffusion model for determining of diffusion coefficients. The saturation adsorption capacity of benzene and ethyl benzene vapours was 2033 mg.g-1 and 458 mg.g-1 respectively. …”
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  17. 917

    Use of the Laser Beam Deflection Technique for Thermo-Optic Coefficients Study in Gadolinium-Yttrium Oxyorthosilicate Doped with Erbium Ions by K. V. Yumashev, V. I. Goman, L. K. Pavlovski, A. V. Hertsova, A. M. Malyarevich

    Published 2023-12-01
    “…Results of use of the laser beam deflection technique for determination of thermo-optic coefficients (TOCs) of the Er3+-doped gadolinium-yttrium oxyorthosilicate crystal (Er3+:(GdY) SiO– Er:GYSO) are presented. …”
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    Article
  18. 918
  19. 919

    Effects of repeated etching cycles using 15% hydrochloric acid on enamel loss and relative attenuation coefficient in resin infiltration by Dayang Fadzlina Abang Ibrahim, Noren Nor Hasmun, Yih Miin Liew, Annapurny Venkiteswaran

    Published 2024-02-01
    “…However, anecdotal evidence suggests that favorable esthetics outcomes can be obtained by increasing the etching cycles. Aim: To determine the incremental and total enamel loss when enamel surfaces are exposed to multiple etching cycles and to assess the relative attenuation coefficient after multiple etching cycles and resin infiltration treatment. …”
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  20. 920

    Biological method of protection of apple trees from green apple aphids and apple scab in the conditions of the Pre-Carpathian province of the Carpathian mountain zone of Ukraine by M. Hunchak

    Published 2022-07-01
    “…To study the effectiveness of biological preparations to reduce the number and harmfulness of green apple aphids, as well as to reduce the spread and development of apple scab in apple orchards of the Precarpathian province of the Carpathian mountain zone of Ukraine. Methods. Experiments to determine the technical and economic efficiency of biological protection of apple trees, study the phytosanitary status of apple orchards were conducted in 2016—2020 in the apple orchard of the Ukrainian Plant Quarantine Research Station of the Institute of Plant Protection of NAAS on apple orchards in 2005. …”
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    Article