Simultaneous determination of multiple persistent organic pollutants in soil by ultrasonic extract-gas chromatography-mass spectrometry by ZHANG Hao, HUANG Ronglang, CHEN Minyan, JIANG Jun, YANG Lan, CHEN Jian, LÜ Zhijiang, LIAO Min, WANG Haizhen, XU Jianming

“…A method for simultaneous extraction, purification, and determination of persistent organic pollutants (POPs) in soil, such as polychlorinated biphenyls, polybrominated diphenyl ethers, and polycyclic aromatic hydrocarbons, was developed in this study. …”
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Simultaneous determination of 7 pyrrolizidine alkaloids and their nitrogen oxides in herbal tea by SPE-UPLC-MS/MS by WU Zhongling, HE Zhongqiang, HUANG Zhining, SU Ruifen, CHEN Liting, ZHONG Junwei

“…A analysis method for simultaneous determination of 7 pyrrolizidine alkaloids and their nitrogen oxides (monocrotaline, monocrotaline N- oxide, lycopsamine, lycopsamine-N-oxide, heliosinine, heliosinine-N-oxide, senecionine) in herbal tea was established by solid phase extraction-ultra high performance liquid chromatography tandem mass spectrometry (SPE-UPLC-MS/MS). …”
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Influence of the Plaster Physical Structure on Indoor Acoustics by Edyta PRĘDKA, Adam BRAŃSKI, Małgorzata WIERZBIŃSKA

“…The results were achieved by the Meshless Method (MLM) and compared with exact results. It was shown that the increase in plaster aeration translated into an increase in the sound absorption coefficient, followed by a slight decrease in the noise level in the room. …”
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Determination of Industry Indicators of Financial Analysis of Enterprises (on the Example of the Industry for the Production of Crude Oil and Natural Gas) by N. A. Bukharin, M. B. Laskin, S. V. Pupentsova

“…The relevance of the topic is confirmed on the one hand by the demand for industry indicators for all persons interested in financial and comparative analysis of enterprises, on the other hand by the complexity and lack of methods for deriving industry indicators of the financial analysis of enterprises.Materials and methods. …”
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Analysis of stress difference on both sides of the herringbone gear considering misalignment error by ZHANG Chunpeng, LIU Hexiang, SUN Qiyuan, YANG Yazhou

“…To address this issue, the influence of misalignment error on the stress difference between bilateral teeth was studied.MethodsThrough the theoretical derivation, the relation among meshing stiffness, misalignment error, torque variation, and stress difference coefficient was obtained. …”
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Experimental Study of Interphase Heat Transfer with Free Vapor Bubble Condensation Caused by Rapid Pressure Increase by DENG Jiewen1, 2, HUANG Tao3, ZHU Longxiang1, 2, PAN Liangming1, 2, SUN Wan1, 2, , ZHANG Luteng1, 2, MA Zaiyong1, 2

“…A method was employed to calculate the interphase heat transfer coefficient of bubble condensation caused by pressure increase. …”

Social capital as a determinant of quality of life in greek cancer patients: a cross-sectional study by Athanasios Pitis, Maria Diamantopoulou, Aspasia Panagiotou, Dimitrios Papageorgiou, Foteini Tzavella

“…The EU Cancer Inequalities Registry indicates that social determinants of health significantly influence the cancer burden in Greece, thus affecting quality of life.MethodsThis was a cross-sectional study; the Social Capital Questionnaire Greek version was used for the evaluation of individual social capital, and the EORTC Core Quality of Life questionnaire (EORTC QLQ-C30) was used for the assessment of quality of life. …”
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Critical Resolved Shear Stress and Work Hardening Determination in HCP Metals: Application to Zr Single Crystals by Jean-Sébastien Lecomte, Jérôme Crépin, Pierre Barberis

“…This paper presents a novel approach to determine CRSS and specific hardening matrix coefficients for commercially pure zirconium (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>α</mi></semantics></math></inline-formula>-Zr) at room temperature. …”
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Hydro-Lipophilic Properties of Chlorinated and Brominated 1-Hydroxynaphthalene-2-Carboxanilides by Lucia Vrablova, Tomas Gonec, Josef Jampilek

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Determination of Composition and Amount of Different Feeds to Produce Animal Products to Use in Agricultural Policy Studies in Iran by Seyed Majid Alimagham, Afshin Soltani, Behrouz Dastar, Taghi Ghoorchi

“…Comparing the self-reliance coefficients reported with the calculated coefficients showed that the results for vegetable meal, seed corn, leguminous fodder and forage obtained from pasture are consistent with each other. …”
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A humidity resistant radon source developed by ion exchange of radium in a membrane by Yanliang Chen, Linfeng He, Gang Han

“…Objective: To develop a humidity resistant radon source on a membrane based on the ion exchange technique. Methods: 226Ra in its standard solution was adsorbed in the HP membrane through cation exchange. …”
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Airflow direction influence on aerodynamic forces acting on a vehicle by А. O. Shimanovsky, V. U. Dzemyanchuk

“…The main purpose of the study is to determine the values of the longitudinal and transverse forces acting on the car for the entire possible range of changes in the angle of attack of the airflow.Materials and methods. …”
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The Effect of Lesion Length on Doppler Velocities Used Routinely to Determine Carotid Stenosis Cross-Sectional Severity by Wladyslaw Dabrowski, Lukasz Tekieli, Anna Kablak-Ziembicka, Justyna Stefaniak, Karolina Dzierwa, Adam Mazurek, Piotr Paluszek, Krzysztof Zmudka, Piotr Pieniazek, Piotr Musialek

“…We tested the hypothesis that lesion length (LL) may affect PSV and EDV. <b>Methods</b>: CARUS (Carotid Artery IntravasculaR Ultrasound Study) prospectively enrolled 300 consecutive patients (age 47–83 years, 64.3% men, 63.3% symptomatic) with carotid stenosis ≥50% by Doppler ultrasound considered diagnostic (corelab analyst). …”
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Investigation of the Boundary Value Problem for an Extended System of Stationary Nernst–Planck–Poisson Equations in the Diffusion Layer by Evgenia Kirillova, Natalia Chubyr, Roman Nazarov, Anna Kovalenko, Makhamet Urtenov

“…A numerical investigation of the boundary value problem was conducted using the finite element method. With an increase in the initial solution concentration, the value of the small parameter entering singularly decreases, reaching values on the order of 10⁻¹² and below, leading to computational difficulties that prevent a comprehensive analysis of the influence of changes in the equilibrium coefficient on salt ion transport. …”
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Improving the accuracy of calculating the speed of movement at the time of an accident in collisions with incomplete overlap of a part of the car by E. V. Golov

“…The proposed methodology regulates the use of the coefficient of variation as a criterion for the admissibility of the use of source data to determine the quality of the final result of the calculation. …”
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Numerical Study of Surrounding Rock Damage in Deep-Buried Tunnels for Building-Integrated Underground Structures by Penglin Zhang, Chong Zhang, Weitao Chen, Chunhui He, Yang Liu, Zhaofei Chu

“…This study investigates the relationship between surrounding rock damage and in situ stress conditions through numerical simulation methods. A constitutive model suitable for simulating rock mass damage was developed and implemented in the LS-DYNA (version R12) code via a user-defined material model, with parameters determined using the Hoek–Brown failure criterion. …”
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Avaliação do Kt para estimativa da evapotranspiração de referência (ETo) em Campos dos Goytacazes, RJ Evaluation of "Class A" pan coefficients to estimate the referential evapotran... by Barbara dos S. Esteves, José C. Mendonça, Elias F. Sousa, Salassier Bernardo

“…<br>In this work, different methods of determination of pan coefficient (Kp) for a daily estimation of referential evapotranspiration (ETo) using the "Class A" pan method (TCA) were analyzed. …”
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EVALUATION OF VARIABLE INTENSITY OF HEAT REMOVAL FROM THE SURFACE OF FALLING AND CRYSTALLIZING MELT DROPLETS IN THE PROCESS OF THEIR PRILLING by E. N. Zvereva, Yu. A. Taran

“…The method of calculation of the intensity of heat removal from the surface of the crystallizing melt droplets is presented. …”
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Game and Application Purchasing Patterns on Steam using K-Means Algorithm by Salman Fauzan Fahri Aulia, Yana Aditia Gerhana, Eva Nurlatifah

“…A normalization process is applied to enhance calculation accuracy. The elbow method determines the optimal number of clusters, resulting in three clusters from the k-means algorithm. …”
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The Optimal Design of an Inclined Porous Plate Wave Absorber Using an Artificial Neural Network Model by Senthil Kumar Natarajan, Seokkyu Cho, Il-Hyoung Cho

“…The trained model was subsequently utilized to predict the averaged reflection coefficient using a larger dataset, aiding in the determination of the optimal wave absorber design. …”
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