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

“…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. …”
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Determination of current-voltage characteristic nonlinearity of an surveyed object by a nonlinear radar by V. M. Chertkov, V. K. Zheleznjak

“…Theoretical substantiation of the nonlinearities types recognizing method of radioelectronic devices is given. Calculation results of the second and third order degree coefficients of polynomial approximating the current-voltage characteristic of a radio electronic means are presented.…”
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Exact differential transform method and semi-analytic Chebyshev collocation method for ordinary differential equations by A. S. Mohamed

“…On the other hand, the Chebyshev collocation method transforms the differential equation into a system of equations involving unknown coefficients, which must be determined by solving the system. …”
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Estimation of S-parameters and dielectric permittivity of quartz ceramics samples in millimeter waveband by N. A. Pevneva, D. A. Kondrashov, A. L. Gurskii, A. V. Gusinsky

“…A modified Nicholson – Ross – Weir method was used to determine complex parameters and dielectric permittivity of ceramic materials in the range 78.33–118.1 GHz. …”
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On a Specific Method for Characterizing Ion Exchange Membranes to Assess Their Functionality in Salinity Gradient Power Generation Through Reverse Electrodialysis, Including the Ef... by Etienne Brauns, Joost Helsen

“…The ion transport rate from the HIGH compartments to the central LOW compartment allows for determining the overall ion transport coefficient for thin membranes. …”
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A combined experimental and analytical method to determine the EHL friction force distribution between rollers and outer raceway in a cylindrical roller bearing by Yu Hou, Xi Wang, Di Yang, Zeliang Xiao

“…A combined experimental and analytical method is proposed to quantitatively determine the elastohydrodynamic lubrication (EHL) friction force distribution between rollers and outer raceway in a cylindrical roller bearing (CRB). …”
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Principle component analysis and determining relationships between the traits of native genotypes of Russian olive in Kerman province by Javad Farrokhi Toolir, Mohammad Abedini Esfahlani

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UPLC-MS/MS method for simultaneous determination of pyrantel, praziquantel, febantel, fenbendazole and oxfendazole in dog plasma and its application to a bioequivalence study by Fengyichi Zhang, Fanxi Guo, Xinyu Zhao, Chongyang Li, Junli Wang, Mengyun Wang, Ruixia Ma, Baochang Chen, Qiangqiang Miao, Yimeng Wang, Zihan Wang, Di Cao, Zugong Yu

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Expanding the Use of a Fluorogenic Method to Determine Activity and Mode of Action of Bacillus thuringiensis Bacteriocins Against Gram-Positive and Gram-Negative Bacteria by Norma M. de la Fuente-Salcido, J. Eleazar Barboza-Corona, A. N. Espino Monzón, R. D. Pacheco Cano, N. Balagurusamy, Dennis K. Bideshi, Rubén Salcedo-Hernández

“…Here we standardize this method to efficiently determine the activity of bacteriocins against both Gram-positive and Gram-negative bacteria. …”
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Method Validation and Measurement Uncertainty Estimation for Determination of Multiclass Pesticide Residues in Tomato by Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) by Suraj Shrestha, Bandana Lamichhane, Nibedita Chaudhary

“…This study aimed to optimize and validate a fast, reliable, and accurate method for quantitatively determining pesticide residues of diverse chemical classes in the tomato matrix. …”
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Antimicrobial Susceptibility of <i>Escherichia coli</i> Isolates Causing Community-Acquired Urinary Tract Infections: Comparison of Methods by Alexander Machado Cardoso, Vinicius Ribeiro Flores, Gabriel Gomes do Rosario, Juliana Barbosa Succar, Lidiane Coelho Berbert, Maria Clara de Freitas Oliveira, Anna Luiza Bauer Canellas, Marinella Silva Laport, Cláudia Rezende Vieira Mendonça Souza, Thiago Pavoni Gomes Chagas, Rubens Clayton da Silva Dias, Fabio da Silva de Azevedo Fortes, Flávia Lúcia Piffano Costa Pellegrino

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Experimental Validation of an <i>In Vitro</i> Method for Assessing Insulin-Dependent Glucose Uptake by A. N. Afanasyeva, V. B. Saparova, I. E. Makarenko, R. V. Drai, T. A. Selmenskikh

“…However, at present, there is no single approach to validation of in vitro bioanalytical methods not involving the determination of active ingredient concentrations in biological fluids. …”
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Determination of a novel anticonvulsant drug GIZh-290 in rat plasma by liquid chromatography–tandem mass spectrometry by P. O. Bochkov, I. P. Khrustova, A. A. Litvin, G. B. Kolyvanov, R. V. Shevchenko, V. P. Zherdev

“…The linearity of the method was confirmed by a high correlation coefficient of 0.999. …”
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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

“…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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Activity and diffusivity of oxygen in the liquid dilute BixSb1-x solutions by Jendrzejczyk-Handzlik D., Handzlik P., Fitzner K.

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Constructing enterprise pollution index and monitoring analysis using electricity big data by XI Zenghui, WANG Weibin, LU Jiaming, QU Haini

“…Based on the electricity source and pollutant emission structure of the enterprise, a pollution evaluation index system for the enterprise was constructed, and the importance scale and weight coefficient of each index were determined. The comprehensive index score was calculated using the entropy weight method, which reflected the risk or impact level of the enterprise in terms of pollutant emissions, environmental impact, and resource utilization. …”
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Efficiency of different methods for seeding grasslands by Vesna Očić, Josip Leto, Zoran Grgić

“…In Croatia, the economic effects of different grassland sowing methods are still insufficiently explored. In order to detect the difference between grassland sowing methods a three-year field trialswere performed to determine the production and economic value of grasslands sown by: direct seeding into corn stubble field with row distance of 18 cm (DSK18) or ii) 9 cm (DSK9), iii) conventional seeding (KS), iv) sod-seeding in existing grassland (RPTDS) and v) natural grassland as control (KPT). …”
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Artificial intelligence models for determining the strength of centrally compressed pipe-concrete columns with square cross-section by Chepurnenko Anton, Yazyev Batyr, Tyurina Vasilina, Akopyan Vladimir

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Rapid determination of Ferrum, Manganese, Strontium and Barium in geothermal water by ICP-OES by Mei Han, Wei Zhang, Na Jia, Ke Li, Chen-ling Zhang, Jia Liu, Xiang-ke Kong

“…Developing a rapid and precise method for trace element analysis in geothermal water is crucial due to its high total dissolved solids and salinity, which can impact element determination. …”
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THE BONITATION METHOD FOR ASSESSING THE FERTILITY OF THE CHERNOZEM by Mariana BURCEA, Nicoleta OLTENACU

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