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Showing 4,761 - 4,780 results of 15,724 for search 'determined (coefficiency OR efficient) method', query time: 0.26s Refine Results
  1. 4761

    Forecast of brine blowout zones in the Amu Darya basin and analysis of brine blowout in oil and gas fields by Deryaev Annaguly

    Published 2024-01-01
    “…This analysis led to a deeper understanding of the nature of depression formations and the development of more effective methods for their extraction and processing. The data analysis methods ensure more accurate and reliable results, help-ing not only to determine optimal development points for deposits but also to reduce risks associated with costly drilling and extraction operations. …”
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  2. 4762

    Annealing temperature effect on the Structure, Morphology and Optical properties of Copper Oxide CuO thin Films by Najat A.Dahham

    Published 2023-01-01
    “… Copper  oxide (CuO) thin films were  deposited on glass substrates  by (sol-gel ) method using a spin -Coating technique  and the speed of the spin coater was fixed at 3000 rpm for 30 sec and the samples were are annealed at temperatures (250,350,450 and 550) ° C for 1 hrs. …”
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  3. 4763

    Application of Carbon Quantum Dots in Food Business: A Comprehensive Review by Muhammad Sadiq Naseer, Ali Imran, Qaswaa Yousif Jameel, Ashok Kumar Bishoyi, Faiyaz Ahmed, Ahmed Elawady, Pranchal Rajput, Fakhar Islam, Tahir Zahoor, Abdela Befa Kinki, Saima Naz

    Published 2025-06-01
    “…ABSTRACT The growing demand for efficient, accurate, and affordable methods of evaluating food safety has led scholars to look into cutting‐edge analytical techniques. …”
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  4. 4764

    Selection of strawberry cultivars according to their productivity and berry quality using normalized indices by V. I. Lapshin, V. V. Yakovenko

    Published 2023-10-01
    “…Combined use of various data transformation methods and a multivariate statistical analysis that takes into account several variables would increase the efficiency of selecting promising strawberry genotypes according to a set of traits for industrial and small-scale production.Materials and methods. …”
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  5. 4765
  6. 4766

    Novel Burst-Mode Control for Medium-to-Light Load Operation of Dual-Active-Bridge Converters, Achieving Minimum Backflow Power, Zero-Voltage-Switching, and DC Bias Suppression by Chanh-Tin Truong, Byeong-Ryeol Na, Jeong-Soo Park, Sung-Jin Choi

    Published 2024-11-01
    “…A 4 kW DAB converter prototype is built to verify the proposed method and the experiment results show about a 2% increment in efficiency of the proposed method compared to the conventional burst-mode method.…”
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  7. 4767
  8. 4768

    DYNAMICS OF ENVIRONMENTAL FACTORS AND REALIZATION OF THE POTENTIAL PRODUCTIVITY OF ECOSYSTEMS WITH MEADOW-CHESTNUT SOILS IN THE TEREK-KUMA PERI-CASPIAN LOWLAND by G. N. Gasanov, T. A. Asvarova, K. M. Gadzhiev, Z. N. Akhmedova, A. S. Abdullayeva, R. R. Bashirov

    Published 2015-12-01
    “…The aim is to reveal theoretically possible productivity of pasture phytocenosis on meadow-chestnut soils in protected area of Terek-Kuma Lowland.Methods. To determine the dynamics of the basic physical and chemical properties of soil, evaporation, humidity coefficient (HC) of the area, the productivity of phytocenoses and utilization factors of photosynthetically active radiation (PAR).Results. …”
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  9. 4769

    Comparison of normal and reverse phase column in phytosterol detection by high performance liquid chromatography (HPLC) by RUAN Huina, LIU Songbai

    Published 2013-03-01
    “…High performance liquid chromatography (HPLC) is the most frequently used method to quantify phytosterols. Although several detectors such as ELSD (evaporative light scattering detector) and UV (ultraviolet detector) are available for HPLC analysis, but UV detector is believed to be much more effective and always preferred in laboratories.In the recent literature available, the reverse phase column was mostly applied to determine phytosterols in HPLC-UV system. …”
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  10. 4770

    Calculating permissible deviations of vibration accelerations of printed circuit assemblies by simulation modeling by V. K. Bityukov, A. V. Dolmatov, A. A. Zadernovsky, A. I. Starikovsky, R. M. Uvaysov

    Published 2023-12-01
    “…The results of comparing the measured values with the calculated tolerance enabled conclusions to be made with regard to the possibility of detecting PCA defects.Conclusions. Using this method of calculating tolerances for the PCA vibration acceleration amplitude allows the presence of defects in REM that do not affect the electrical or thermal characteristics of REM to be determined, thus increasing the efficiency of technical condition control.…”
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  11. 4771

    Study of the acute toxicity of 4-(3,4-dimethoxybenzylidene)amino)-5-(2-fluorophenyl)-4H-1,2,4-triazole-3-thiol by in silico and in vivo methods by V. P. Martynyshyn, V. M. Semtsov

    Published 2024-05-01
    “…Before conducting any preclinical studies of new potential drugs, experiments should be performed to determine the indicators of acute toxicity. Therefore, the work aimed to study the acute toxicity of 4-(3,4-dimethoxybenzylidene)amino)-5-(2-fluorophenyl)-4H-1,2,4-triazole-3-thiol by in silico and in vivo methods. …”
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  12. 4772

    A Comparison of Four Molecular Methods for Detection of Aflatoxin-Producing Aspergillus in Peanut and Dried Shrimp Samples Collected from Local Markets around Pathum Thani Province... by Ratchanok Kumsiri, Panan Kanchanaphum

    Published 2020-01-01
    “…Detecting the fungus can help to prevent this danger. The four molecular methods, namely, conventional isothermal amplification (LAMP), PCR, quantitative LAMP (qLAMP), and qPCR, were compared to determine their efficiency for A. flavus detection. …”
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  13. 4773

    Optimization (Central Composite Design) and Validation of HPLC Method for Investigation of Emtricitabine Loaded Poly(lactic-co-glycolic acid) Nanoparticles: In Vitro Drug Release a... by Gurinder Singh, Roopa S. Pai

    Published 2014-01-01
    “…In conclusion, the proposed optimized method was successfully applied for the determination of in vitro and in vivo release studies of emtricitabine NPs.…”
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  14. 4774

    Response of Ecosystem Services to Human Activities in Gonghe Basin of the Qinghai–Tibetan Plateau by Ailing Sun, Haifeng Zhang, Xingsheng Xia, Xiaofan Ma, Yanqin Wang, Qiong Chen, Duqiu Fei, Yaozhong Pan

    Published 2025-06-01
    “…Based on remote sensing data, land use, meteorological, soil, and digital elevation model data, the current research determined the human activity intensity (HAI) in the Gonghe Basin by reclassifying HAs and modifying the intensity coefficient. …”
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  15. 4775

    Green RP-HPLC method for simultaneous quantification of epigallocatechin-3-gallate and rosmarinic acid in lipid-based nanocarriers and biological fluids: Quality by design-driven o... by Rahul Koli, V.S. Mannur

    Published 2024-12-01
    “…Linearity was observed over a concentration range of 2 to 10 µg/mL for both EGCG and RA, yielding correlation coefficients of 0.998 and 0.999, respectively. The LOD and LOQ were determined to be 0.51 µg/mL and 1.54 µg/mL for EGCG, and 0.35 µg/mL and 1.07 µg/mL for RA. …”
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  16. 4776
  17. 4777

    QuEChERS-超高效液相色谱-串联质谱法 测定酥油中17种真菌毒素Determination of 17 mycotoxins in ghee by QuEChERS-ultra-high performance liquid chromatography-tandem mass spectrometry... by 严晓贤1,2,吴兴强1,夏寒1,2,仝凯旋1,常巧英1,范春林1,朱浙辉3,陈辉1 YAN Xiaoxian1,2, WU Xingqiang1, XIA Han1,2, TONG Kaixuan1, CHANG Qiaoying1, FAN Chunlin1, ZHU Zhehui3, CHEN Hui1

    Published 2025-07-01
    “…The test sample was then analyzed on an ACQUITY UPLC BEH C18 (100 mm × 2.1 mm, 1.7 μm) column to achieve the separation, and detected in multiple reaction monitoring (MRM) mode and quantified by standard method with matrix matching curve external. The results showed that the 17 mycotoxins demonstrated good linearity in the corresponded mass concentration ranges with the coefficients of determination (R2) greater than 0.999 1. …”
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  18. 4778
  19. 4779

    Designing an Urban Air Mobility Corridor Network: A Multi-Objective Optimization Approach Using U-NSGA-III by Zhiyuan Zhang, Yuan Zheng, Chenglong Li, Bo Jiang, Yichao Li

    Published 2025-03-01
    “…Based on a detailed analysis of the obtained Pareto front, a relatively optimal design scheme across three optimization objectives is determined. The case study conducted in Chengdu illustrates that the corridor network obtained by our method not only achieves a 37.8% reduction in ground risk and a 69.9% decrease in implementation costs, but also saves a comparable 4.7% in time relative to traditional methods.…”
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  20. 4780

    Justification of the power of the heat pump used in the cooling system of the steam turbine condenser of the CCGT-CHP by M. A. Treshcheva, I. D. Anikina, D. A. Treshchev

    Published 2022-05-01
    “…THE PURPOSE. Determination of the permissible power of the heat pump (HP) used in the cooling system of the steam turbine condenser for a thermal power plant (TPP) based on double-circuit combined-cycle gas turbine (CCGT).METHODS. …”
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