Search alternatives:
method » methods (Expand Search)
Showing 581 - 600 results of 15,724 for search 'determined (coefficient OR (efficient OR efficiency)) method', query time: 0.37s Refine Results
  1. 581

    Methods for determining the oil recovery factor in an oil field by Khusnutdinova Regina, Yalovega Danil, Yusupova Lilia, Gimaztdinova Elvira, Gutorov Alexander

    Published 2025-01-01
    “…This article discusses methods for determining the oil recovery coefficient in oil fields, which is an important aspect in the development and operation of hydrocarbon deposits. …”
    Get full text
    Article
  2. 582

    Development of an algorithm for determining the heat transfer coefficient of the body of an isothermal vehicle based on the results of analysis of the heat exchange processes occur... by A. A. Golubin, S. N. Naumenko

    Published 2017-10-01
    “…The article analyzes the heat exchange processes the thermal imaging method using a thermal imaging device. An occurring in the body of an isothermal vehicle when determining algorithm for determining the heat transfer coefficient is proposed, the heat transfer coefficient K by the internal heating method. which makes it possible to calculate its value with an accuracy not The differences are shown in the values of the heat transfer coef-exceeding 5 %, which is regulated by a number of international ficients obtained by the equilibrium internal heating method and normative documents, while reducing the duration of the experiment by at least 6 times. …”
    Get full text
    Article
  3. 583

    Early Detection and Classification of Diabetic Retinopathy: A Deep Learning Approach by Mustafa Youldash, Atta Rahman, Manar Alsayed, Abrar Sebiany, Joury Alzayat, Noor Aljishi, Ghaida Alshammari, Mona Alqahtani

    Published 2024-11-01
    “…The proposed model utilizes six pre-trained convolutional neural networks (CNNs): EfficientNetB3, EfficientNetV2B1, RegNetX008, RegNetX080, RegNetY006, and RegNetY008. …”
    Get full text
    Article
  4. 584

    Investigation a Conjuacy a Conjugacy Coefficient for Conjugate Gradient Method to Solving Unconstrained Optimization Problems by Mays Jarjis, Hamsa Chilmerane

    Published 2025-06-01
    “…In this research, a new conjugacy coefficient is derived for conjugate gradient method(C.G) and a new direction was obtained. …”
    Get full text
    Article
  5. 585

    A Sensitive UV Spectrophotometric Method for the Determination of Gabapentin by R. Singh Gujral, S. Manirul Haque, P. Shanker

    Published 2009-01-01
    “…An accurate and validated spectrophotometric method was developed for the determination of gabapentin. …”
    Get full text
    Article
  6. 586

    Determination of the Activity Coefficients of Components in a Di-2-ethylhexylphosphoric Acid–n-Hexane Binary System Using Gas Chromatography by Vladimir Glebovich Povarov, Olga Vladimirovna Cheremisina, Daria Artemovna Alferova, Aleksandr Tomasovich Fedorov

    Published 2025-06-01
    “…This study was devoted to the determination of n-hexane’s concentrations in the vapor phase over D2EHPA solutions at 293.0 K using gas chromatography (GC) and isopiestic (IP) methods. …”
    Get full text
    Article
  7. 587

    Simple Analytical Method on the Determination of Dexamethasone in Herbal Medicine by Rimadani Pratiwi, Adira Rahmawaty, Aliya Nur Hasanah

    Published 2022-01-01
    “…One of them is dexamethasone which is added in herbal pain relief. To determine the content of dexamethasone in herbal medicine, a quantitative analytical method was developed with the reaction of the formation of a dexamethasone-hydroxylamine complex with fluoranil which was measured by UV-Vis spectrophotometry. …”
    Get full text
    Article
  8. 588

    Separations of Strategic Metals from Spent Electronic Waste Using “Green Methods” by Urszula Domańska, Anna Wiśniewska, Zbigniew Dąbrowski

    Published 2025-06-01
    “…The Analyst 800 atomic absorption spectrometer (FAAS) is used for the determination of metal content in the solid BM. The ICP-OES method is used for metal analysis. …”
    Get full text
    Article
  9. 589
  10. 590

    Determination of Pesticide Residues in Water Using Extraction Method by Erdal Kuşvuran, Ali Şamil

    Published 2023-12-01
    “…In this work organochlorine pesticides were first extracted from water using a solvent mixture (hexane:dichloromethane) and the quantities were then determined using a GC-MS fitted with an Electron Ionization (EI) and Selective Ion Monitoring (SIM) method. …”
    Get full text
    Article
  11. 591

    Determination of the conversion coefficients from the dose-length product to the effective dose for CT-examinations of the whole body including lower extremitie by P. S. Druzhinina, L. A. Chipiga, A. V. Vodovatov, I. V. Soldatov, Z. A. Lantukh, K. V. Tolkachev

    Published 2025-01-01
    “…Today in the Russian Federation, the existing method for assessing patients` effective doses during computed tomography in the form of conversion coefficients from the dose-length product provides for the area from the head to the upper third of the femur but does not consider the possibility of scanning the whole body including the lower extremities. …”
    Get full text
    Article
  12. 592

    DETERMINATION OF RELATED IMPURITIES IN THE ANILOCAINE SUBSTANCE BY HPLC METHOD by D. R. Sabirzyanov, Yu. N. Karpenko, T. L. Malkova, I. V. Alekseeva

    Published 2017-08-01
    “…Time check chromatogram is 20 minutes. Conclusion. The method for the quantitative determination of impurities in the substance of anilocaine by high-performance liquid chromatography was developed as the result of the research. …”
    Get full text
    Article
  13. 593

    Determinação do coeficiente convectivo de transferência de calor de figos submetidos ao resfriamento rápido Determination of the convective heat transfer coefficient of fig fruits... by Mariangela Amendola, Saul Dussán-Sarria, Anderson A. Rabello

    Published 2009-04-01
    “…<br>The main purpose of this study is to determine the convective heat transfer coefficient value by using the methodology of mathematical modeling and numerical simulation associated with the experimental process previously performed, of the forced air precooling of the figs type 'Roxo de Valinhos'. …”
    Get full text
    Article
  14. 594
  15. 595

    Objectives of method of choosing antiskid device settings by I. A. Zharov, V. N. Kolobkov, A. A. Zharov

    Published 2016-12-01
    “…The principle of the proposed calculation is that firstly a value of the coefficient of adhesion between wheel and rail should be determined, where the wheel will start to fail at a given speed of skid (critical adhesion coefficient). …”
    Get full text
    Article
  16. 596

    Extinction Coefficient Inversion Algorithm with New Boundary Value Estimation for Horizontal Scanning Lidar by Le Chen, Zhibin Yu, Shihai Wang, Chunhui He, Mingguang Zhao, Aiming Liu, Zhangjun Wang

    Published 2025-05-01
    “…Simulations demonstrate that the new method reduces the relative error in the boundary value estimation by approximately 5% and improves the accuracy of the extinction coefficient profile inversion compared with the method of directly fitting all-sample signals. …”
    Get full text
    Article
  17. 597
  18. 598
  19. 599
  20. 600

    Influence of dead layer on the response function of planar and coaxial Ge detector using Monte Carlo method by R. A. El-Tayebany, N. Shaaban

    Published 2023-12-01
    “…The detector response function feature's most probable interaction mechanisms are described. The Monte Carlo method is applied to simulate the calibration of a HPGe detector in order to determine the total inactive germanium layer thickness and the active volume that is needed in order to study the response function for both types of detectors. …”
    Get full text
    Article