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Showing 841 - 860 results of 15,724 for search 'determined (coefficient OR efficient) method', query time: 0.26s Refine Results
  1. 841

    Development and Validation of a High-Performance Liquid Chromatography-Inductively Coupled Plasma Mass Spectrometry Method for the Simultaneous Determination of Arsenic and Mercury... by Chenyang Zheng, Jun Tang, Xiaodong Pan, Haitao Shen, Zhengyan Hu, Jingshun Zhang, Luxuan Wang, Pinggu Wu, Ying Tan

    Published 2025-03-01
    “…The simultaneous determination of arsenic and mercury species in human urine is critical for clinical diagnostics and therapeutic monitoring because it reduces the costs, time, and consumption of samples. …”
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    Article
  2. 842
  3. 843

    Solvent extraction of europium(III) from technogenic solutions with the use of surfactants by N. V. Dzhevaga, O. L. Lobacheva

    Published 2020-09-01
    “…In addition, in the highly alkaline pH region, the extraction efficiency is reduced.…”
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    Article
  4. 844

    Determinação de parâmetros de transporte de metais pesados em Latossolo compactado Determination of transport parameters for heavy metals in compacted Oxisol by Izabel C. D. Azevedo, Cleidimar R. Nascentes, Antonio T. de Matos, Roberto F. de Azevedo

    Published 2005-12-01
    “…The use of the cumulative mass method, based on a reduced number of pore volumes, in the determination of transport parameters, reduces time and costs involved in tests.…”
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    Article
  5. 845
  6. 846

    Improvement of methods for estimation of catchability for trawl survey systems with use of hydroacoustic means (on example of walleye pollock in the Okhotsk Sea) by Mikhail Yu. Kuznetsov, Vladimir I. Poljanichko, Igor A. Ubarchuk

    Published 2015-12-01
    “…The experimental method of its estimation (comparing of fish density in towed volume determined by other tools with trawl catch) is considered as the most authentic. …”
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    Article
  7. 847
  8. 848
  9. 849

    Methods of Forming Orthogonal Components of Input Signals for Relay Protection by F. A. Romaniuk, М. S. Loman, V. S. Kachenya

    Published 2019-02-01
    “…Preference is given to the combined digital filter. The existing methods of determining the orthogonal components of a sine signal are analyzed and their disadvantages are pointed out. …”
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    Article
  10. 850

    Mechanistic insights into gas exchange in postharvest cucumbers through biochemical and physical contributions by Shinichiro Kuroki, Itaru Sotome, Yoshinori Kawagoe

    Published 2025-07-01
    “…We measured the effective diffusion coefficient (D∗) in cucumber fruit using Ne gas. This method involves sealing Ne with the fruit in an airtight container and monitoring its concentration in the container's free volume, allowing us to determine D∗ based on the reaction-diffusion equation with a zero reaction rate. …”
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    Article
  11. 851

    Experimental study on the influence of shale content in fault zone on fault friction coefficient based on circular shear test by Lingdong Meng, Dong Li, Xiaofei Fu, Yejun Jin, Zezhao Liu, Ziyang Li, Tong Zhang, Ruishan Du, Xiaoling Zhang

    Published 2025-03-01
    “…This highlights the predominant role of shale content in influencing frictional sliding behavior. The method for characterizing fault-mud-content-related friction coefficients at various levels significantly enhances the accuracy of fault stability evaluations, thereby promoting the safe and efficient development of oil and gas reservoirs.…”
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    Article
  12. 852

    Effect of Mixer Rotational Speed on Heat Transfer Coefficient in Preparation of Nickle Perovskite From Laboratory to Bench Scale

    Published 2009-07-01
    “…In this study, we examined a scale-up to production of nickel perovskite catalyst, used in the conversion of natural gas to synthesis gas, using the sol-gel method in the laboratory and a bench-scale reactor. …”
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    Article
  13. 853
  14. 854

    The effect of cutting direction and water based varnish type on sound absorption coefficient in some native wood species by Mustafa Selmani Muslu

    Published 2024-11-01
    “…The sound absorption coefficients of the obtained samples were determined by the impedance tube method and the results were compared statistically. …”
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    Article
  15. 855

    EFFICIENCY OF THE ENTERPRISE, AND FACTORS AFFECTING IT by E. Knyazeva, E. Shapoval

    Published 2018-02-01
    “…Conceptually, the notion of efficiency from the point of view of an effective method or the possibility of solving a problem was determined. …”
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    Article
  16. 856
  17. 857

    Modified QuEChERS method combined with ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneous determination of 19 quinolones and sulfonamides in aqu... by SUN Juan, YANG Jing, ZHAO Chun-hui, SHEN Yuan, LI Ying, FANG Fang

    Published 2023-10-01
    “…<b>Objective:</b> A simultaneous determination method was established for detecting 19 kinds of quinolones and sulfonamides in aquatic products simultaneously, by using QuEChERS combined with UPLC-MS/MS. …”
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    Article
  18. 858

    Enhancement in Bearing Fault Classification Parameters Using Gaussian Mixture Models and Mel Frequency Cepstral Coefficients Features by Youcef ATMANI, Said RECHAK, Ammar MESLOUB, Larbi HEMMOUCHE

    Published 2020-04-01
    “…Results show that proposed method can reliably classify different fault conditions and have a highest classification performance under some conditions.…”
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    Article
  19. 859

    Magnesium Addition and Treatment of Reinforcement Particles in Al6061 – Sea Sand Composite on Coefficients Friction and Wear Rate by Hammar Ilham Akbar, Muhammad Ilham Arbi Atmaja, Eko Surojo, Bambang Kusharjananta, Reza Aldiansyah Fanani

    Published 2024-03-01
    “…After that, the specimen was friction tested using the pin on disc method. The highest coefficient of friction was the specimen without electroless coating with the addition of 2 wt% Mg of 0.634. …”
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    Article
  20. 860