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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Spectral Relaxation Method and Spectral Quasilinearization Method for Solving Unsteady Boundary Layer Flow Problems by S. S. Motsa, P. G. Dlamini, M. Khumalo

“…The results indicate that the methods are more efficient in terms of computational accuracy and speed compared with the Keller-box.…”
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Influence of dead layer on the response function of planar and coaxial Ge detector using Monte Carlo method by R. A. El-Tayebany, N. Shaaban

“…The detector response function feature's most probable interaction mechanisms are described. The Monte Carlo method is applied to simulate the calibration of a HPGe detector in order to determine the total inactive germanium layer thickness and the active volume that is needed in order to study the response function for both types of detectors. …”
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Extraction Efficiency of Different Solvents and LC-UV Determination of Biogenic Amines in Tea Leaves and Infusions by U. Gianfranco Spizzirri, Nevio Picci, Donatella Restuccia

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Improving the Efficiency of Electric Rolling Stock Operation Through the Use of Adaptive Filtering Methods for High Harmonic Current Components in Traction Drive Systems by Goolak S.

“…The aim of this work is to investigate the efficiency of various adaptive filtering methods for higher harmonic components of stator currents in a vector-controlled traction drive system to improve the operation efficiency of electric rolling stock. …”
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A Novel Fault Feeder Selection Method for Resonant Grounding Distribution Networks Based on Improved Hough Transform by Liang GUO, Xinyu QU, Xiaowei WANG, Yizhao WANG, Ying TIAN, Fan ZHANG

“…The angle between the fitting straight lines of the modal quantities of each feeder is compared and processed, and the feeder corresponding to the minimum comprehensive correlation coefficient value is determined as the faulty feeder. …”
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Determining the efficiency of local heat recycling wastewater based on a heat exchanger by V. A. Kunitskiy, S. V. Lukin

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A comparison of established and digital surface model (DSM) ‐based methods to determine population estimates and densities for king penguin colonies, using fixed‐wing drone and sat... by J. Coleman, N. Fenney, P.N. Trathan, A. Fox, E. Fox, A. Bennison, L. Ireland, M.A. Collins, P.R. Hollyman

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Efficient Phase Step Determination Approach for Four-Quadrant Wind Imaging Interferometer by Tingyu Yan, William Ward, Chunmin Zhang, Shiping Guo

“…In this paper, we describe a new phase step determination approach based on the Lissajous figure, which provides an efficient, accurate, and visual method for the characterization and calibration of this type of instrument. …”
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Mosaicking and Correction Method of Gaofen-3 ScanSAR Images in Coastal Areas with Subswath Overlap Range Constraints by Jiajun Wang, Guowang Jin, Xin Xiong, Jiahao Li, Hao Ye, He Yang

“…This method involves correlating the coefficients of each subswath thumbnail image in order to determine the extent of the overlap range. …”
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Determination of the effect of the open cell foam material geometry on the value of energy efficiency by O. V. Soloveva, S. A. Solovev, Yu. V. Vankov, I. G. Akhmetova, R. Z. Shakurova, A. R. Talipova

“…To determine the influence of the geometry and porosity of an open cell foam material on the values of pressure drop, heat flux and energy efficiency factor.METHODS .Numerical simulation was carried out using the ANSYS Fluent 19.2 software package. …”
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THE PRODUCTION EFFICIENCY AND DETERMINANTS OF THE CHICKPEA CROP IN NINEVEH GOVERNORATE FOR THE PRODUCTION SEASON 2019 by mhasin Al-jebory

“…The research aimed to estimate the production efficiency and the optimum economic determinants of chickpea crop farms and a sample of 40 farms in Sheikhan district and for the production season 2019, using the data envelope method and the statistical program DEAP and adopting the production quantity as a reliable variable and (cultivated area, quantity of seeds, human work hours, mechanical work hours, amount of control materials). …”
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New approach to determining the economic efficiency of investments in mineral resources deposits development by V. M. Serov, Yu. P. Tikhonov

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Determination of the Energy Efficient Speed of the Working Body of the Agitator for Small Biogas Reactors by Spodoba M.O., Spodoba О.O., Kovalchuk S.I., Oliinik Yu.O.

“…The aim of the work is to determine the energy-efficient speed level of a two-tier paddle mixer with blades installed at an angle of 90° to improve the energy efficiency of the biogas formation process in small biogas reactors. …”
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The quality of the organic materials determines its carbon conversion efficiency in tropical latosol by Shuhui Song, Siru Liu, Yanan Liu, Lei Shi, Huayong Li, Weiqi Shi, Haiyang Ma

“…The main factor that determines the difference in carbon conversion efficiency is the composition of organic materials. …”
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Normative determinants of effective management of municipal resources by Sebastian Krzysztof Bentkowski

“…Objectives The purpose of this article is to present the legal determinants of effective management of municipal resources, including legal standards regulating the principles and methods of managing municipal property and finances, the obligations of entities responsible for the proper functioning of the municipal resource management system, as well as the legal basis for monitoring and assessing the effectiveness of municipal resource management. …”
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Validated HPLC method for simultaneous determination of azelastine hydrochloride fluticasone propionate and oxymetazoline in nasal mucosa and nasopharyngeal swabs from real human s... by Neven N. Mikawy, Nancy Magdy, Marwa H. Mohamed, Amira M. El-Kosasy

“…Moreover, the amount of those drugs in the nasal mucosa was observed for seven hours, and a constant concentration with a low% RSD was noted for the first four hours. Therefore, this method can be applied to monitor the therapeutic dose in the nasal mucosa for the determination of those analytes.…”
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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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Development of a method for estimating wall thinning tendency due to flow-accelerated corrosion in tee joint piping by Shun WATANABE, Ryo MORITA

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