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  1. 1561
  2. 1562
  3. 1563

    Areas of energy advantage for flowsheets of separation modes for mixtures containing components with similar volatilities by M. E. Peshekhontseva, M. A. Maevskiy, I. S. Gaganov, A. V. Frolkova

    Published 2020-07-01
    “…The direct and indirect distillation modes can become competitive when the point of the original composition is located near single K-surfaces or in a region with a different ratio of distribution coefficients. Sharp distillation is not suitable for the separation of a mixture containing a pair of components exhibiting relative unity volatility with medium boiling points.Methods. …”
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  4. 1564

    On а Model for Drough Risk Reduction in Agriculture by B. A. Ashabokov, L. M. Fedchenko, A. A. Tashilova, L. A. Kesheva, M. B. Ashabokova

    Published 2023-12-01
    “…A model based on different vulnerability of agricultural crops to this dangerous weather phenomenon is presented, the results of model calculations for the conditions of the steppe zone of the Kabardino-Balkarian Republic (KBR) are presented.Materials and research methods. When conducting research, the Selyaninov hydrothermal coefficient was used as an indicator characterizing the moisture content of the soil. …”
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  5. 1565

    Calculation Method of Shale Oil Fluid Component Content Based on Nuclear Magnetic Resonance T2 Distribution by LIU Jilong, XIE Ranhong, WEI Hongyuan, XU Chenyu, JIN Guowen, ZHENG Di, WANG Shaoxiang

    Published 2023-10-01
    “…Shale oil reservoirs, characterized by the complex occurrence state of fluid and complex mineral compositions, are difficult to accurately determine the fluid component content. Therefore, a method to determine the fluid component content of shale oil combining with continuous wavelet transform (CWT) and Gaussian distribution function is proposed in this paper. …”
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  6. 1566

    A Novel Method of Self-Healing Concrete to Improve Durability and Extend the Service Life of Civil Infrastructure by Yan Xue, Weiliang Gao, Yanming Zhao

    Published 2023-01-01
    “…Finally, the Pareto frontier solution set is processed using the ideal point method selection approach to determine the optimal concrete mix ratio scheme. …”
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  7. 1567

    Application of the Modified Method of ant Colonies to Search for Rational Assignment of Employees to Tasks Using Fuzzy Sets by V. A. Sudakov, Yu. P. Titov

    Published 2020-06-01
    “…The problem of “cycling” of the ant colony method, caused by the passage of agents along the same routes, is determined.Conclusion. …”
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  8. 1568

    Determination of chlorinated paraffins in PM2.5 by QuEChERS combined with ultra-high performance liquid chromatography-quadrupole/orbitrap high resolution mass spectrometry by Wenyan YAN, Chao WANG, Juan LIU, Yibin SUN, Wen GU, Yifu LU, Ke FANG, Yi WAN, Song TANG

    Published 2024-10-01
    “…Simultaneous extraction and determination of SCCPs, MCCPs, and LCCPs in PM2.5 could provide technical support for their environmental monitoring and human health risk assessment.ObjectiveTo establish a method based on QUEChERS pretreatment method in conjunction with ultra-performance liquid chromatography-quadrupole/orbitrap high resolution mass spectrometry for simultaneously determining the levels of SCCPs, MCCPs, and LCCPs in PM2.5. …”
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  9. 1569

    Study on Semi-Rigid Joint Performance and Stability Bearing Capacity of Disc-Type Steel Pipe Support by Fankui Zeng, Guoxin Zou, Meng Ji, Jianhua Zhang

    Published 2025-06-01
    “…Numerical simulation and analytical correction method were employed to determine the effective length correction coefficient <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mrow><mi mathvariant="sans-serif">μ</mi></mrow><mrow><mn>0</mn></mrow></msub></mrow></semantics></math></inline-formula> under various erection parameters while accounting for joint semi-rigidity. …”
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  10. 1570

    Simultaneous Component Analysis of <i>Akebia quinata</i> Seeds (Lardizabalaceae) by Ultra-Performance Liquid Chromatography–Tandem Mass Spectrometry for Quality and Cytotoxicity As... by Chang-Seob Seo, Jaemoo Chun, Kwang Hoon Song

    Published 2025-02-01
    “…The separation of the eight analytes was performed in an Acquity UPLC BEH C<sub>18</sub> reversed-phase analytical column. The method was validated with respect to linearity (coefficient of determination ≥ 0.994), recovery (90.32–108.18%; relative standard deviation (RSD) < 10.0%), and precision (RSD < 10%). …”
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  11. 1571
  12. 1572

    SURFACE OSCILLATIONS IN OPEN RESONATORS WITH CURVILINEAR REFLECTORS by I. K. Kuzmychov, O. S. Lukash, O. B. Senkevych, O. V. Gribovsky

    Published 2025-03-01
    “…The electric field structures of considered oscillation types were measured using the probe-induced perturbation method. The resonant transmission coefficients of the open oscillating systems and the physical phenomena within them were experimentally studied with the aid of well-known microwave measurement techniques. …”
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  13. 1573

    Predicting the critical drainage induced by soil seepage failure during pumping in foundation pit construction by Fuwei JIANG, Shujun TANG, Xiaofei DENG, Zhenchao LI, Fawang ZHANG, Hongyuan YIN

    Published 2025-01-01
    “…To ensure that the calculated result is more effective, the calculated expression was modified by introducing correction coefficient. The results indicate that the relationship between the critical drawdown volume for inducing soil permeability failure in the four cases and the critical permeability velocity is linear, suggesting that measuring the critical permeability velocity of the soil at the site can determine the critical drawdown volume. …”
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  14. 1574

    Methods of integrated assessment of professionally important socio-psychological characteristics of a specialist in pharmacy as a component of the creation by M. I. Harkusha, O. I. Tykhonov, R. V. Sahaidak-Nikitiuk, N. V. Demchenko, O. S. Shpychak

    Published 2019-03-01
    “…The expert method was used to determine the components that make up the professionally important socio-psychological characteristics of pharmacy specialists. …”
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  15. 1575
  16. 1576

    A partitioned conditioned Latin hypercube sampling method considering spatial heterogeneity in digital soil mapping by Biao Huang, Guijian Yang, Jiancong Lei, Xiaomi Wang

    Published 2025-04-01
    “…A case study on SOC sampling in northeastern France demonstrated that PcLHS consistently outperformed traditional sampling methods, achieving lower root mean square error (RMSE, 0.40–0.43), higher coefficient of determination (R2, 0.36–0.44), and improved concordance correlation coefficient (CCC, 0.58–0.63). …”
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  17. 1577

    Localization and Diagnosis of Short-Circuit Faults in Transformer Windings Injected by Damped Oscillatory Wave by Chengbo Hu, Xueqiong Zhu, Yongling Lu, Ziquan Liu, Zhen Wang, Zhengyu Liu, Kangyong Yin

    Published 2024-12-01
    “…By analyzing transfer function variations across different phases, the location of a fault can be effectively determined. Furthermore, the correlation coefficient and absolute logarithmic deviation provide a clear indication of the fault severity. …”
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  18. 1578

    Adaptive zero velocity correction method for fiber optic inertial navigation system in coal mining roadheader by Qinghua MAO, Qing ZHOU, Jianquan CHAI, Yanzhang CHEN, Wenjuan YANG, Xusheng XUE

    Published 2025-05-01
    “…Firstly, the vibration signal is decomposed by VMD and the IMF component is selected according to the correlation coefficient. Secondly, the time-frequency domain features of IMF components are extracted, and the principal component analysis method is used to reduce the dimension to reduce the complexity of the diagnostic model and the difficulty of data analysis. …”
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  19. 1579

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

    Published 2020-09-01
    “…Infrared spectroscopy (Nicolet 6700 spectrometer) was used to determine the type of salts extracted into the organic phase. …”
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  20. 1580

    Explainable Machine Learning to Predict the Construction Cost of Power Plant Based on Random Forest and Shapley Method by Suha Falih Mahdi Alazawy, Mohammed Ali Ahmed, Saja Hadi Raheem, Hamza Imran, Luís Filipe Almeida Bernardo, Hugo Alexandre Silva Pinto

    Published 2025-04-01
    “…Performance measures, comprising the coefficient of determination (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mi>R</mi><mn>2</mn></msup></semantics></math></inline-formula>), Mean Absolute Error (MAE), and Root Mean Squared Error (RMSE), were used to evaluate and contrast the performance of the implemented models. …”
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