First-Principles Calculations to Investigate the Mechanical Structure and Optical Properties of Lead Halide Perovskite CH3NH3PbI3 by Truphena J. Kipkwarkwar, P. W. O. Nyawere, C. M. Maghanga

“…We report the study of the mechanical structure and optical properties of lead halide perovskite CH3NH3PbI3 using ab initio methods. The ground state energy calculations were performed within density functional theory and generalized gradient approximation using the pseudopotential method with plane-wave basis sets. …”
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Nonlinear damage creep model of concrete considering the influence of temperature and its parameter variation law analysis. by Lu Wang

“…According to the characteristics of the classical creep curve and the creep equation, the calculation method of creep parameters is determined. The variation law of each creep model parameter under different stress and temperature is analyzed. …”
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Investigation of education value perception scale's psychometric properties according to CTT and IRT by Harun Dilek, Ufuk Akbaş

“…McDonald’s Omega was calculated to be .79 according to CTT from reliability estimation methods, marginal reliability coefficient was determined to be .77 according to IRT. …”
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Effect of the operating temperature on thermal EHL performance of steel-POM gears by ZHOU Jia’ao, LIU Xiaoling, ZHANG Zheng, LI Qun

“…The multigrid technique and the column scanning method were employed to systematically analyze and discuss the TEHL performance of steel-POM gear pairs under diverse operating temperatures.ResultsThe results show that the friction coefficient of the steel-POM gear decreases forward of the pitch point and increases afterward of the pitch point. …”
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Structural Analysis of Heat Pump Scroll Compressor for Electric Automobile Air-conditioning by Tang Jingchun, Zuo Chengji

“…It was determined to the optimal middle pressure of compensation refrigerant in the scroll compressor orifice accordingly. …”
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A Novel Mixed-Precision Quantization Approach for CNNs by Dan Wu, Yanzhi Wang, Yuqi Fei, Guowang Gao

“…In this paper, we propose an efficient mixed-precision search method that tackles this problem. …”
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Liquid Chromatography-Tandem Mass Spectrometry Detection of Human and Veterinary Drugs and Pesticides in Surface Water by Xiang-Pu Zhang, Shu Zhang, Chun-Yan Xu, Wei-Wei Li, Hai-Bo Ling, Yang Luo, Kang Jian, Tao Li, Chuan Yi

“…To address this knowledge gap, a concise and sensitive analytical method is proposed in which three classes of human and veterinary drugs (sulfonamides, macrolides, and hormones) and two classes of pesticides (organophosphorus and neonicotinoids) are simultaneously extracted and determined in surface water. …”
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Research on fault diagnosis of amorphous alloy transformers by using vibration signals and a PSO-optimized full-process WPT-SVM model by Daosheng Liu, Wentao Yang, Longsheng Liu, Zhe Zhao

“…The prominent vibration characteristics of amorphous alloy transformer (AMT) make it possible to apply the vibration method for real-time fault monitoring of AMT. Therefore, in order to solve the AMT vibration monitoring problem and enhance the diagnostic efficiency, this study proposes an AMT fault diagnosis model based on particle swarm optimization (PSO) to optimize the parameters of wavelet packet transform (WPT) and support vector machine (SVM).The optimal vibration signal acquisition point is determined by finite element analysis to ensure high signal quality. …”
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LAND AND RESOURCE POTENTIAL OF PROTECTED AREAS OF UKRAINE IN THE CONTEXT OF THE IMPLEMENTATION OF SUSTAINABLE DEVELOPMENT STRATEGY by Mykhailo STUPEN, Tetiana KALYNA, Ruslana TARATULA, Olena KONSTANTINOVA

“…The methodical instrument for constructing cluster analysis was the method of complete linkage at the Euclidian distance to combine the most similar administrative districts of Lviv region according to standardized indicators of economic efficiency of agricultural lands use. …”
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A Multi-Index Fusion Adaptive Cavitation Feature Extraction for Hydraulic Turbine Cavitation Detection by Yi Wang, Feng Li, Mengge Lv, Tianzhen Wang, Xiaohang Wang

“…A multi-index fusion adaptive cavitation feature extraction and cavitation detection method is proposed to solve the above problems. The number of decomposition layers in the multi-index fusion variational mode decomposition (VMD) algorithm is adaptively determined by fusing multiple indicators related to cavitation characteristics, thus retaining more cavitation information and improving the quality of cavitation feature extraction. …”
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In-silico study of lanthanide-based nanoparticles for dual-modal photoacoustic and MRI theranostics by Farid Alidoust Aghdam, Ali Rostami

“…The optimal core size for TiO2-coated nanoparticles was determined to be between 90 and 110 nm, and the core-shell ratio ranged from 0.54 to 0.63, which provides the highest adsorption efficiency. …”
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Assessment of the principles of biologization and ecologization of potato cultivation in the field experience of the Center for Precision Agriculture by A. I. Belenkov, O. A. Vasilyeva

“…The potato yield was determined by the direct combining method, mustard for green manure by weighing the above-ground mass from the accounting area, plant deviation on the ridge and area loss by the calculation method.Results. …”
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A Numerical Study of a Pico Hydro Turbine by Ümit Pekparlak, Mehmet Berkant Özel, Orhan Yalçınkaya, Ümit Beyazgül, Ufuk Durmaz

“…This study presents six degrees of freedom (6-DOF) and moving reference frame (MRF) methods to predict the maximum conditions of a pico scale two-dimensional turbine by comparing the torque and angular velocities on the runner based on the turbine output power of 1 W determined by an experimental study. …”
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Designing a Business Model in the Tourism Industry of Iran by Amirhossein Samadian, Saeid Ehdaie, kamyar Raissifar

“…As required by the snowball method, these interviews continue until data saturation is reached. …”
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Green synthesis of magnetic iron-nickel oxide nanoparticles using Terminalia chebula extract by Hadise Asadian, Fariba Tadayon, Sanaz Raeis Farshid

“…For this purpose, T. chebula was used as a medicinal plant in the preparation of iron-nickel magnetic nanoparticles for the first time. The FTIR method confirmed the surface modification of magnetic nanoparticles using T. chebula extract and SEM determined the morphology and approximate size of uncoated and bio operative magnetic nanoparticles. …”
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Improving heat stress prevention through targeted education in hot and humid workplaces: a study in a foundry industry by Sayed Vahid Esmaeili, Fatemeh Paridokht, Amirreza Shalili, Ali Mohsenian, Habibollah Dehghan

“…The content validity and reliability of the questionnaire were determined using the Content Validity Ratio (CVR), Content Validity Index (CVI), and Cronbach’s alpha coefficient. …”
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Construction of a sensitive index system for nursing quality in the perioperative period of liver transplantation based on the Three-Dimensional Quality Structure theory by Bin Wang, Wenjuan Sun, Fengchao Liu, Taohua Zheng, Lin Quan, Guofang Liu, Hui Lin, Yue Qiao, Jinzhen Cai, Xia Huang

“…In the third round, Kendall’s coordination coefficients for primary, secondary, and tertiary indicators were determined to be 0.340, 0.379, and 0.402 (P < 0.001), indicating that expert opinions tended to be consistent. …”
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Assessment of Changes in Toll Fares in Conditions of Increased Traffic Load by A. U. Talavirya, M. B. Laskin

“…As part of the study, the operational characteristics of the toll collection point, in particular its threshold capacity, were determined, and, if it was exceeded, the length of the emerging queue was determined. …”
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China Aerosol Raman Lidar Network (CARLNET)—Part I: Water Vapor Raman Channel Calibration and Quality Control by Nan Shao, Qin Wang, Zhichao Bu, Zhenping Yin, Yaru Dai, Yubao Chen, Xuan Wang

“…The uncertainty of the water vapor Raman channel calibration coefficient (Cw) is determined using an error propagation formula. …”
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Fermentation endpoint detection of Soybean using specially designed Pd-coated FBG stress sensor by Jawad Mirza, Jawad Mirza, Ahmad Atieh, Benish Kanwal, Firdos Kanwal, Imran Aziz, Imran Aziz, Ahmad Almogren

“…Our findings confirm that this method provides a simple, efficient, and real-time solution for monitoring the fermentation process of organic compounds that produce H2 offering significant advantages over traditional techniques.…”
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