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Microplastics in drinking water. Efficiency of treatment and distribution of a drinking water cycle
Published 2025-05-01“…Therefore, the objective of this study is to know the presence of MPs in the drinking water distribution cycle (natural reservoir (S1), outflow of the drinking water treatment plant (S2), city's reservoir (S3) and a municipal control point of the supply network (S4)), for this purpose a method for the analysis and determination of MPs in drinking water is set up and proposed. …”
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545
GPU-Accelerated Fock Matrix Computation with Efficient Reduction
Published 2025-04-01“…In quantum chemistry, constructing the Fock matrix is essential to compute Coulomb interactions among atoms and electrons and, thus, to determine electron orbitals and densities. In the fundamental framework of quantum chemistry such as the Hartree–Fock method, the iterative computation of the Fock matrix is a dominant process, constituting a critical computational bottleneck. …”
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546
Absolute purity determination of an organic fluorine pharmaceutical voriconazole via quantitative 19F NMR and method validation
Published 2024-12-01“…Compared to conventional 1H-qNMR methods, the developed 19F-qNMR method has been proven efficient and highly promising for determining the accurate purity of organic fluorine pharmaceuticals.…”
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547
Development and Validation of RP-HPLC Method for the Simultaneous Determination of Rabeprazole Sodium and Itopride Hydrochloride in Solid Dosage Form
Published 2010-01-01“…Linearity was obtained in the concentration range of 2 to 16 μg/mL of rabeprazole sodium and 5 to 55 μg/mL of itopride hydrochloride with a correlation coefficient of 0.9992 and 0.9996 respectively. The results of the analysis were validated statistically and recovery studies confirmed the accuracy of the proposed method.…”
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548
New Fluorometric Method for the Determination of Ketotifen Fumarate Using Continuous Flow Injection Analysis via ISNAG-fluorimeter
Published 2019-06-01“…A newly developed analytical method was conducted for the determination of Ketotifen fumarate (KTF) in pharmaceuticals drugs via quenching of continuous fluorescence of 9(10H)-Acridone (ACD). …”
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549
Modeling Productive Land Determination Using Entropy-Mabac Method Based on Multicriteria Data in Central Java Province
Published 2025-06-01“…Validation using the Spearman Rank test resulted in a correlation coefficient of 0.82, indicating strong agreement between the method results and historical data. …”
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550
A Fast-Response Method for Determining the Amplitude of a Signal in Microprocessor Automation and Control Systems with Frequency Fluctuations
Published 2024-02-01“…The proposed high-response method for determining the amplitude during frequency fluctuations is focused on using as initial information samples of instantaneous values of the cosine orthogonal component of the signal, which are formed using an appropriate digital Fourier filter. …”
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Method for determining coordinates road and building cars on earth's surface at a distance basis until three satellites
Published 2017-08-01“…Describes a method for determining the coordinates of points on the surface based on the distance to three satellites. …”
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553
Method for Determining the Number of Propellers in an Aircraft from a Radar Image Obtained by Inverse Synthesis of the Antenna Aperture
Published 2024-10-01“…The method under consideration for determining the number of propellers is based on the most common design features – the blades in the propeller follow at the same angular interval, in the propellers of the functional group the number of blades is the same.…”
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Accuracy Comparison between GPS Real Time Kinematic (RTK) Method and Total Station to Determine The Coordinate of An Area
Published 2018-11-01“…Survey with GPS Real Time Kinematic (RTK) has the advantage of being faster and easier than the total station, but on the other hand the accuracy of GPS Real Time Kinematic (RTK) is considered lacking. This study was to determine the comparison of accuracy and efficiency of measuring land parcels using a total station and GPS Real Time Kinematic (RTK) method. …”
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556
Derivative spectrophotometric method for simultaneous determination of ascorbic acid and folic acid in the pharmaceutical formulation; Comparative greenness assessment
Published 2024-12-01“…The GAPI assessment highlighted low environmental and health risks throughout the analytical process, making this method a green and sustainable choice for the simultaneous determination of ascorbic acid and folic acid. …”
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557
Computer-economical optimization method for solving inverse problems of determining electrophysical properties of objects in eddy current structroscopy
Published 2025-01-01“…The adequacy and informativeness of the constructed surrogate models have been proved by numerical indicators. The efficiency of the method is demonstrated on model examples. …”
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Efficiency Analysis of Container Ports in Vietnam Using Stochastic Frontier Analysis
Published 2025-02-01“…The methods were used to analyze the variations in port efficiency, including aspects such as distribution, rankings, identification of the best and worst ports, and determinants of the efficiency frontier. …”
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Efficiency Comparison of New Adjusted Nonparametric and Parametric Statistics Interval Estimation Methods in the Simple Linear Regression Model
Published 2022-01-01“…In this research, the authors were interested in an efficiency comparison study of new adjusted nonparametric and parametric statistics interval estimation methods in the simple linear regression model. …”
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Analysis of the Energy Efficiency of Different Methods of Adding Make-up Feed Water in the Steam Turbine Cycle CHPP
Published 2020-12-01“…The article analyzes the energy efficiency of several methods of entering make-up feed water into the CHPP cycle. …”
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