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1821
Methods of Forming Orthogonal Components of Input Signals for Relay Protection
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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1822
Mechanistic insights into gas exchange in postharvest cucumbers through biochemical and physical contributions
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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1823
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1824
Modeling of the optimum level of financial provision of Ukrainian enterprises' innovative activities
Published 2019-08-01“…In the process of research such scientific methods have been used: modeling – to determine the influence of the source of funding for innovation activities, on the number of new technological processes introduced and the introduction of new types of products; economic-statistical – to evaluate the dynamics of the amount of realized innovative products and the index of the efficiency of innovation costs; correlation-regression analysis – to determine the relationship density and the relationship between factors of influence and performance indicators; abstract-logical – for the implementation of theoretical and methodological generalizations. …”
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1825
Innovation in healthcare as a factor in population’s health in regions
Published 2025-03-01“…On the example of regional health care systems of Tyumen, Tula, and Sverdlovsk Regions, high efficiency of innovation implementation has been proved. …”
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1826
MODERNIZATION OF THE AUTOMATED WATER LEVEL CONTROL SYSTEM IN THE PAVLOVSKIY WATER INTAKE STORAGE RESERVOIRS
Published 2024-11-01“…Materials and methods. An engineering and technical solution to the problem of increasing the efficiency of the technical water intake system based on the optimization of the control system of the 2nd lift pumps was obtained: float level sensors in water storages are replaced by ultrasonic ones and frequency converters are installed on all 2nd lift pumps, the pressure sensor is transferred from the pipeline to the water column of the water tower, feedback is provided by the industrial logic controller PR100 OVEN. …”
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1827
Does economic freedom affect green economic growth? Analyses of mediation, moderation, and heterogeneity in EU and non-EU countries
Published 2025-04-01“…Moreover, government efficiency and corruption control are found to moderate the relationship, enhancing the positive impact of economic freedom on GEG, particularly in non-EU countries. …”
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1828
Metformin as a novel organic foliar bio-stimulant to enhance peanut (Arachis hypogaea L.) growth and yield under drought stress conditions
Published 2025-07-01“…This study evaluates the impact of foliar-applied Metformin, gibberellic acid (GA₃), and indole-3-acetic acid (IAA) at concentrations of 5.0, 7.5, and 10.0 mg L⁻1 under different irrigation regimes (100%, 80%, and 60% of the recommended irrigation rate). Methods A two-year field experiment was conducted under arid conditions to assess the effects of these treatments on plant growth, yield, photosynthetic pigments, nutrient uptake, and water use efficiency (WUE). …”
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1829
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1830
Study on the Response of Cotton Leaf Color to Plant Water Content Changes and Optimal Irrigation Thresholds
Published 2025-06-01“…Real-time monitoring of cotton moisture status and determination of appropriate irrigation thresholds are essential for achieving precision irrigation. …”
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1831
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1832
Experimental study on the influence of shale content in fault zone on fault friction coefficient based on circular shear test
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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1833
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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1834
Modified QuEChERS method combined with ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneous determination of 19 quinolones and sulfonamides in aqu...
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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1835
The effect of cutting direction and water based varnish type on sound absorption coefficient in some native wood species
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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1836
Optimization of the Morphological Parameters of a Metal Foam for the Highest Sound Absorption Coefficient Using Local Search Algorithm
Published 2020-07-01“…It is a navel approach determining the structural properties of sound absorbent to predict its acoustical behavior. …”
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1837
Enhancement in Bearing Fault Classification Parameters Using Gaussian Mixture Models and Mel Frequency Cepstral Coefficients Features
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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1838
Magnesium Addition and Treatment of Reinforcement Particles in Al6061 – Sea Sand Composite on Coefficients Friction and Wear Rate
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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1839
Estimation of the Coefficients of the Equation of Acoustic Target Strength Based on the Morphology of Coregonus migratorius (Georgi, 1775) Swim Bladder
Published 2020-04-01“…Material and Methods. Ninety‐nine living specimens of C. migratorius served as the study material. …”
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1840