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Non-uniform dust distribution effect on photovoltaic panel performance
Published 2023-02-01“…<p><em>A novel experimental method for power efficiency loss is presented in this paper. …”
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1103
Simultaneous determination of 74 pesticide residues in Panax notoginseng by QuEChERS coupled with gas chromatography tandem mass spectrometry
Published 2021-03-01“…This study established a method for the simultaneous determination of 74 pesticide residues in Panax notoginseng by QuEChERS pretreatment method coupled with GC-MS/MS, and carried out pesticide residue analysis on 20 batches of market samples in China. …”
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1104
Response of AlphaGUARD PQ2000 radon detector to 220Rn in diffusion mode
Published 2024-10-01“…The presence of high-concentration 220Rn can affect the accuracy of 222Rn concentration measurements.PurposeThis study aims to measure radon concentration more accurately by investigating the variation in the response coefficients of the AlphaGUARD PQ2000 radon monitor to 220Rn under thoron gas concentrations with different wind speeds and directions within a standard radon chamber.MethodsThe single-scintillation proportional counter flow gas static method was employed to determine the thoron concentration in this study. …”
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1105
Spatial distribution and determinants of the change in pre-lacteal feeding practice over time in Ethiopia: A spatial and multivariate decomposition analysis.
Published 2021-01-01“…<h4>Methods</h4>We used the Ethiopian demographic and health surveys (EDHSs) data. …”
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1106
A Theoretical Study of the Ionization States and Electrical Conductivity of Tantalum Plasma
Published 2025-04-01“…A comparison of the ionization compositions between tantalum and copper plasmas highlights the significant role of ionization energies in determining species populations. Additionally, the average electron–neutral momentum transfer cross-section significantly influences the electrical conductivity calculations, and calibration with experimental measurements offers a method for estimating this atomic parameter. …”
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1107
Using the Remote Sensing Method to Simulate the Land Change in the Year 2030
Published 2022-12-01Get full text
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1108
Rapid Determination of 107 Illegally Added Nafils in Foods by Ultra-high Performance Liquid Chromatography-High Resolution Mass Spectrometry
Published 2025-05-01“…A rapid method for the determination 107 illegally added nafils in compressed candies, honey and beverage was developed by ultra-high performance liquid chromatography coupled with quadrupole orbitrap high-resolution mass spectrometry. …”
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1109
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Exploring the determinants of malnutrition in 2–5 year Iranian children using structural equation modeling: national food and nutrition surveillance
Published 2024-12-01“…Methods In each province, participants were invited to attend the health house/center to complete the questionnaire on the pre-appointed day. …”
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1111
The Process Characteristics of Rapid Freezing: Continuous and Discrete Heat Removal Method
Published 2019-06-01“…The method makes it possible to determine the temperature at any time. …”
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1112
Rationale for using the capacity method to assess the blending irregularity of heterogeneous textiles
Published 2024-09-01“…Devices whose operating principle is based on the use of the capacitive method, designed to determine the unevenness of linear density, do not allow for assessing the blending irregularity of heterogeneous fibrous products. …”
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1113
A Method for Assessing the State of the Snow and Ice Cover by the Brewster Angle
Published 2021-02-01“…The error in determining the relative permittivity and the depth of k layers under an increase in the RMS values of the noise level from 3.8 to 4.8 with a step of 0.1 for 100 implementations of each with a probability of 0.95 does not exceed 10 %, which confirms the validity of this method. …”
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1114
Reduction of friction by normal oscillations. II. In-plane system dynamics
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1115
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Study on the Changes in Sediment Transport Capacity and Response Relationships in Different Segments of the Jingjiang Reach after the Operation of the Three Gorges Reservoir
Published 2025-01-01“…The STR for different segments of the Jingjiang reach is calculated, with a focus on determining the degree of scouring post-reservoir operation. …”
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1117
On detection of crack-like welding defects by existing quality control methods
Published 2021-04-01“…At the same time, regardless of the state of supply, the carbon equivalent Сэкв should not exceed 0.46 %. The research methods are calculation-experimental ones. To calculate the stress-strain state of welded joints, the following methods were used:finite elements (FEM),fracture mechanics using the stress intensity coefficient Kt.Methods of mathematical statistics were used to estimate the geometric dimensions of crack-like welding defects. …”
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1118
Method for calculating a two-stage thermoelectric system for local hypothermia
Published 2023-08-01“…The aim of the study is to develop a methodology for calculating a two-cascade thermoelectric system (TPS) for local hypothermia, as well as a theoretical analysis of its operation.Method. The model is built on the basis of solving three problems, consisting in determining the parameters of a two-stage thermoelectric module (TEM), thermophysical characteristics of the interface system with a biological object, and heat removal for cooling the hot junctions of the thermomodule.Results. …”
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1119
Classification and Comparison of Eight Different Growth Curve Methods for Pekin Duck
Published 2025-07-01“…According to the goodness of fit criteria such as mean square prediction error, coefficient of determination, adjusted coefficient of determination, accuracy factor, bias factor, Durbin–Watson value, Akaike Information Criteria, corrected Akaike Information Criteria, Bayesian Information Criteria and standard error of the regression and interpretation of the growth curves and clustering hierarchical 3‐D dendrograms, the Schnute and Richards models, were found to be a suggestible model for 70 days growth of both female and male Pekin ducks, but the Richards model can be more recommendable due to calculation easiness.…”
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1120
Methods for synthesis of matching circuits for broadband radio devices with unstable load impedance
Published 2021-02-01“…Matching circuits obtained using this synthesis method provided the highest level of power transmission coefficient, as well as the lowest sensitivity value in a given frequency band for the considered types of loads.…”
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