Finite-element analysis of contact characteristics and friction modes of the "valve-guide" of the internal combustion engine by K.E. Holenko, A.A. Vychavka, M.O. Dykha, V.O. Dytyniuk

“…Based on the constructed finite-element model of the "valve-guide" conjugation, an analysis of the influence of determining tribological factors: sliding speed in contact, temperature, skew angle, friction coefficient on contact stresses both for each part of the friction pair and in the process of contact interaction was carried out. …”
Get full text

Efficiency Analysis and Optimization of Two-Speed-Region Operation of Permanent Magnet Synchronous Motor Taking into Account Iron Loss Based on Linear Non-Equilibrium Thermodynamic... by Ihor Shchur, Yurii Biletskyi, Bohdan Kopchak

“…The results of the studies demonstrate the effectiveness of the proposed method for determining the references of the <i>d</i> and <i>q</i> components of the armature current for both the loss-minimization strategy at the constant torque range of motor speed and the flux-weakening strategy in the constant power range.…”
Get full text

Sorption of strontium on the composite sorbent based on cellulose and hydrated antimony pentoxide by V. V. Galysh, M. T. Kartel, W. Janusz, E. Skwarek, A. A. Nikolaichuk

“…The adsorption of strontium ions was determined by the radiotracer method using radioisotopes. …”
Get full text

A novel approach for efficient resource allocation in 6G V2V networks using neighbor-aware greedy algorithm and sweep line model by Spandana Mande, Nandhakumar Ramachandran

“…The resource distribution strategy for V2V users participating in the exchange of information is based on the greedy method. The recommended algorithm determines which resource is optimal for each V2V user by taking a multi-level approach. …”
Get full text

Quantitative Study of Spodumene by Time-of-Flight Secondary Ion Mass Spectrometry (tof-SIMS) by Xijuan Tan

“…Thus, the matrix-matched standard calibration method for element determination of spodumene by tof-SIMS was recommended. …”
Get full text

Predicting Water Distribution and Optimizing Irrigation Management in Turfgrass Rootzones Using HYDRUS-2D by Jan Cordel, Ruediger Anlauf, Wolfgang Prämaßing, Gabriele Broll

“…Data were collected under controlled greenhouse conditions across unvegetated plots with two- and three-layered rootzone construction methods, each receiving 10 mm of water (intensity of 10 mm h⁻¹) via subsurface drip irrigation (SDI) or a sprinkler (SPR). …”
Get full text

Determination of Pollen Viability and Germination of Solanum melongena ve Solanum torvum and Obtaining Plants from Solanum melongena x Solanum torvum Hybrids Using in vitro Techniq... by Namık Kemal Yücel, Hatice Filiz Boyacı, Saadet Büyükalaca

“…Pollen viability and polen germination percentage were determined by TTC and ‘agar in Petri’ methods, respectively. …”
Get full text

Comparing quantitative and qualitative verbal and social autopsy tools: does a qualitative supplement improve understanding of the social determinants of under-five deaths in the s... by Amy W Blasini, Peter Waiswa, Ann Wolski, Phillip Wanduru, Chelsea Finkbeiner, Ashura Bakari, Lucky Amutuhaire, Cheryl A Moyer

“…. # Methods This cross-sectional study was conducted in two slum neighborhoods in Kampala, Uganda, among families who lost a child under five within the preceding six months. …”
Get full text

Helminth contamination of Wild Ruminants in the West kazakhstan Region and activity of the supramolecular complex of albendazole with Polyvinylpyrrolidone at helminthoses by R. S. Karmaliyev, I. A. Arkhipov, B. M. Sidikhov, Zh. T. Usenov, B. O. Ertleuova, D. E. Gabdullin

“…Materials and methods. Incomplete helminthological autopsy according to K. …”
Get full text

Adaptive Neuro-Fuzzy Inference System-Genetic Algorithm approach for global maximum power point tracking in PV systems under different shading conditions by Nivine Guler, Zied Ben Hazem, Ali Gunes, Firas Saidi

“…The proposed ANFIS-GA method, simulated with MATLAB/Simulink, was evaluated in three environments, i.e., no shading, partial shading, and severe shading, and performances were 99.98%, 98.5%, and 97.67% (GMPPT efficiencies), respectively. …”
Get full text

Experimental Investigation of the Influence of Climatic Conditions and Vehicle Dynamics on the Thermal Management System of a Fuel Cell Electric Vehicle by Yannick Heynen, Ralf Liedtke, Michael Schier, Florian Heckert

“…However, at the stack level, balance of plant (BoP) components demonstrate the ability to ensure ambient temperature-independent performance, likely due to reliable humidification control up to 45 °C. Additionally, a new method for determining thermal derating of FCEVs on roller dynamometer tests is presented. …”
Get full text

Green Economy and a New Approach to Its Measurement by S. R. Humbatova

“…The purpose of the study is to propose a model for a comparative assessment of the degree of «greenness» of the economy of each country, to identify weak determinants to increase the degree of «greenness» of the countries included in this model, as well as to scientifically substantiate possible ways of developing weak determinants. …”
Get full text

ANALISIS PENDAPATAN USAHATANI PADA KOPI TRADISIONAL DAN KOPI SAMBUNG DI DESA LUBUK KEMBANG, KEC. CURUP UTARA, KAB. REJANG LEBONG by Dori Suhendra, Muhammad Nurung, Reswita Reswita

“…The purpose of this study are: 1) to calculate revenue on the traditional coffee farming and grafting coffee farming and 2) to determine the condition of efficiency in traditional coffee farming and grafting coffee farming and their difference. …”
Get full text

Optimized Artificial Neural network models to time series by Marwan Abdul Hameed Ashour

“…It is one of the problems that can bias the test of the robustness of the ANN in time series forecasting. To determine the best or the optimal ANN models, forecast Skill (SS) employed to measure the efficiency of the performance of ANN models. …”
Get full text

Quantitative Determination of Sucrose Adulterated in Red Ginseng by Terahertz Time-Domain Spectroscopy (THz-TDS) with Monte Carlo Uninformative Variable Elimination (MCUVE) and Sup... by Shubao Pan, Huo Zhang, Zhi Li, Tao Chen, Xianhua Yin

Get full text

Human-Oriented Approach in Forming of Key Competences of Civil Servants in the Conditions of Digital Transformation of the Economy by E. V. Vasilieva, V. N. Pulyaeva, V. A. Yudina

Get full text

Nature-based solutions as an economical option for the removal of micropollutants in artificial wastewater: the case of a laboratory constructed wetland planted with Phragmites aus... by John Augustino Lugongo, Ulrike Gayh, Kenneth Bedu-Addo

“…This study adopted the method of hydrological balance proposed by Kadlec and Wallace for the construction of a combination of Horizontal Subsurface Flow Constructed Wetlands and Vertical Subsurface Flow Constructed Wetlands planted with Phragmites australis to investigate micropollutants load removal as well as the treatment efficiency of lab constructed wetlands. …”
Get full text

Features of elements of the protection system of sugar beets from the root by O. Nevmerzhytska, N. Plotnytska, L. Suslyk

“…Methods. The methods used during the research work include field studies, laboratory studies, field and laboratory studies. …”
Get full text

Impact of cutting types and commercial plant growth regulators on the propagation of red star begonia (Begonia rex-cultorum) by Zahrotul Latifah, Widi Wurjani, Sutini Sutini

“…These findings can enhance the efficiency of vegetative propagation of red star begonia, reduce propagation failure rates, and provide practical guidance for growers and ornamental plant enthusiasts in selecting optimal methods and PGR concentrations. …”
Get full text

Impact of cutting types and commercial plant growth regulators on the propagation of red star begonia (Begonia rex-cultorum) by Zahrotul Latifah, Widi Wurjani, Sutini Sutini

“…These findings can enhance the efficiency of vegetative propagation of red star begonia, reduce propagation failure rates, and provide practical guidance for growers and ornamental plant enthusiasts in selecting optimal methods and PGR concentrations. …”
Get full text