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  1. 1181

    Simultaneous determination of 9 succinate dehydrogenase inhibitor compounds in vegetables by QuEChERS combined with gas chromatography-tandem mass spectrometry by LIU Jun, LUO Xianyong, CAO Qiaofeng, LI Jilong, ZHANG Bo, CEN Jianbin, LI Shan

    Published 2025-04-01
    “…A gas chromatography-tandem mass spectrometry (GC-MS/MS) method was established for the simultaneous determination of 9 succinate dehydrogenase inhibitor (SDHIs) compounds in vegetables. …”
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    Article
  2. 1182

    Investigation of Indirect Shear Strength of Black Shale for Urban Deep Excavation by Mintae Kim

    Published 2024-09-01
    “…The effects of experimental methods and diametric loading on the elastic constant determination were evaluated and analyzed, and the indirect shear strength of the black shale, considering anisotropy, was determined using the estimated stress concentration coefficient. …”
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  3. 1183

    Determination of the metabolites, eicosanoids derived from polyunsaturated fatty acids in Drosophila tissue with high performance liquid chromatography tandem mass spectrometry by TAN Liangliang, SHEN Lirong

    Published 2016-01-01
    “…Therefore, this study is aimed to develop a high performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) method for the determination of eicosanoids in Drosophila.Fifteen metabolites of AA and EPA produced by human in COX, LOX and CYP pathway were chosen, and each pathway contained 1 or 2 metabolites as delegates to ensure the representative of the method. …”
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    Article
  4. 1184

    Thermal expansion of (FeIn<sub>2</sub>S<sub>4</sub>)<sub>0.5</sub>×(AgIn<sub>5</sub>S<sub>8</sub>)<sub>0.5</sub> single crystals by T. H. Barugu

    Published 2019-06-01
    “…The elementary cell parameters was calculated with the least square method. The thermal expansion was measured by a dilatometric method, the coefficient of thermal expansion was determined. …”
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    Article
  5. 1185

    Determination of 18 Amino Acids in Water by Solid Phase Extraction-Ultra Performance Liquid Chromatography-Tandem Triple Quadrupole Mass Spectrometry by Jin-han LIANG, Ze-hua LIU, Wan-qiong LIU, Yan-shan DONG

    Published 2025-03-01
    “…The results showed that the standard curves of this method for 18 AAs have good linearity with the correlation coefficient (R2) larger than 0.9913, the limits of detection and the limits of quantification are 0.06-0.23, 0.19-0.76 nmol/L, respectively. …”
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    Article
  6. 1186

    Monetary revenues as a major indicator of the living standards of the population of Russia by E. N. Grishina, I. P. Lapteva, L. N. Trusova

    Published 2019-07-01
    “…Along with traditional statistical methods,  the study  also used  the  method  of assessing structural  differences,  the method  of index  analysis  of the differentiation  of the population  by monetary  income at both the Federal and regional levels. …”
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    Article
  7. 1187

    Aging steller sea lions by growth layer groups in teeth by Takeomi Isono, Yumi Kobayashi, Vladimir N. Burkanov, Orio Yamamura

    Published 2019-06-01
    “…By conducting readings 3 times, we used coefficient of variation (CV) to determine precision. …”
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    Article
  8. 1188

    Solving Boundary Value Problems for a Class of Differential Equations Based on Elastic Transformation and Similar Construction Methods by Jinfeng Liu, Pengshe Zheng, Jiajia Xie

    Published 2025-04-01
    “…To address the boundary value problem associated with a class of third-order nonlinear differential equations with variable coefficients, this study integrates three key methods: the elastic transformation method (ETM), the similar construction method (SCM), and the elastic inverse transformation method (EITM). …”
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  9. 1189

    BOOTSTRAPPING METHODS FOR CONSTRUCTING CONFIDENCE INTERVALS FOR THE ESTIMATION OF MODEL PARAMETERS OF THE ZONAL DISINTEGRATION OF ROCKS AROUND UNDERGROUND EXCAVATIONS by Alexsandr S. Losev

    Published 2018-03-01
    “…Conclusion  The interval estimates of the determination coefficients obtained by bootstrapping methods have a significant advantage in comparison with traditional approaches. …”
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    Article
  10. 1190

    The potential energy impact of the suction tube of pumping facilities on the mark of pump axis installation and the power consumption of drive motors by Dmitriy S. Tsyplenkov, Irina N. Vinokurova, Ruslan R. Mazanov, Yulia S. Urzhumova

    Published 2025-03-01
    “…Purpose: to substantiate theoretically the impact of the potential energy of suction tube of pumping facilities on the installation mark of the pump axis and the drive motor power. Materials and methods. The theoretical studies were based on the substantiation of the impact of potential energy in the pump housing on head, on the analysis of dependence of hydraulic resistances coefficients in the suction tube on the installation height of the pump axis relative to the water source surface and on the impact of potential energy in the suction tube on the useful power of drive motors. …”
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    Article
  11. 1191

    DIFFUSION-WEIGHTED MAGNETIC RESONANCE IMAGING IN THE DIAGNOSIS OF INTERVERTEBRAL DISC DEGENERATION IN THE LUMBOSACRAL SPINE by V. A. Byval’tsev, I. A. Stepanov, A. A. Kalinin, E. G. Belykh

    Published 2017-01-01
    “…Objective: to quantify the degree of degeneration of intervertebral discs (IVDs), by constructing functional diffusion-weighted imaging (DWI) maps, and to determine a correlation between the measured diffusion coefficient (DC) values and IVD changes on T1- and T2-weighted images. …”
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  12. 1192

    Thermal expansion of (MnIn<sub>2</sub>S<sub>4</sub>)<sub>1-x</sub>•(AgIn<sub>5</sub>S<sub>8</sub>)<sub>x</sub> solid solutions by Chan Bin Tkhan, I. V. Bodnar

    Published 2019-06-01
    “…The thermal expansion of single crystals of solid solutions (MnIn2S4)1–х•(AgIn5S8)х was measured by the dilatometric method in the temperature range 80–450 K. The coefficients of thermal expansion are determined and their concentration dependences at different temperatures are constructed. …”
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    Article
  13. 1193

    A new method to assess lumbar vertebral body rotation on simple radiographs by Suk-Joong Lee, Sanghyun Joung, Sungmin Kim, Hyun-Joo Lee, Maria Florencia Deslivia

    Published 2024-12-01
    “…Introduction and Objectives: A number of sophisticated methods have been used to identify the degree of vertebral rotation. …”
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  14. 1194
  15. 1195

    Tribocontact surface exploration after friction in hexanoic acid solution by E. G. Drogan, V. E. Burlakova

    Published 2019-12-01
    “…The paper considers the evolution of friction coefficient of the pair of copper - steel alloy under friction in a hexanoic acid solution in various concentrations, and antiwear properties of the steel-steel friction pair in an oil-acidic medium. …”
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  16. 1196
  17. 1197

    Optimization of friction and electrical resistance performance in graphite-copper electrical contacts using Taguchi-based grey relational analysis by Bekhouche Djamel, Bouchoucha Ali, Zaidi Hamid

    Published 2024-01-01
    “…A gray relational grade obtained from gray relational analysis was employed to assess the performance characteristic in the Taguchi mixed L18 (2 1 x 3 2) method. The Taguchi design method determined the optimal control factors that affect the friction coefficient and electrical resistance. …”
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    Article
  18. 1198

    Cloud point extraction coupled with Isooctane back extraction for determination of eight pesticide residues in tea beverages by gas chromatography mass spectrometry by XIE Jie, ZHOU Run, KONG Ling-can, MENG Yuan-hua, WANG Yu

    Published 2023-04-01
    “…The average recovery was 78.3%~98.4%, RSD was 2.7%~8.5% (n=6). Conclusion: The method is simple in operation, high in enrichment rate, practical, safe and economical, which is suitable for rapid determination of pesticide residues in tea drinks.…”
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  19. 1199

    Determination of 17 types of phthalates in drinking water by solid-phase extraction coupled with multiple reaction monitoring of gas chromatography-mass spectrometry by SHI Mengxing, YANG Yan, DU Limin

    Published 2025-01-01
    “…The precision and accuracy of this method were assessed by determining the standard curves, detection limits, quantification limits, relative standard deviations (RSD) and average spiked recovery rates for the 17 types of PAEs. …”
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  20. 1200