DIFFUSION-WEIGHTED MAGNETIC RESONANCE IMAGING IN THE DIAGNOSIS OF INTERVERTEBRAL DISC DEGENERATION IN THE LUMBOSACRAL SPINE by V. A. Byval’tsev, I. A. Stepanov, A. A. Kalinin, E. G. Belykh

“…Objective: to quantify the degree of degeneration of intervertebral discs (IVDs), by constructing functional diffusion-weighted imaging (DWI) maps, and to determine a correlation between the measured diffusion coefficient (DC) values and IVD changes on T1- and T2-weighted images. …”
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ELASTIC CHARACTERISTICS OF BRUSH PILE ON THE MUNICIPAL MACHINE WORKING EQUIPMENT by S. D. Ignatov, S. I. Tsekhosh

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Cloud point extraction coupled with Isooctane back extraction for determination of eight pesticide residues in tea beverages by gas chromatography mass spectrometry by XIE Jie, ZHOU Run, KONG Ling-can, MENG Yuan-hua, WANG Yu

“…The average recovery was 78.3%~98.4%, RSD was 2.7%~8.5% (n=6). Conclusion: The method is simple in operation, high in enrichment rate, practical, safe and economical, which is suitable for rapid determination of pesticide residues in tea drinks.…”
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Simultaneous and Rapid Determination of Six Tyrosine Kinase Inhibitors in Patients with Non-Small Cell Lung Cancer Using HPLC-MS/MS by Yanping Liu, Hua Liu, Zhewei Xia, Zhipeng Wang, Yunlei Yun, Guanying Zhang, Lifeng Huang, Shouhong Gao, Wansheng Chen

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Mechanical and corrosion anisotropy of magnesium single crystal by Dmitry L. Merson, Sergey Ya. Betsofen, Evgeny D. Merson, Vitaly A. Poluyanov, Pavel N. Myagkikh, Aleksey V. Danyuk, Vladimir A. Danilov, Ekaterina I. Maksimenko, Aleksandr I. Brilevskiy

“…In this work, mechanical (compression and tension) and corrosion tests were carried out for the first time on the same magnesium single crystal on samples with different crystallographic orientations. The Kearns coefficients calculated from the X-ray diffraction patterns of the single crystal specimen faces by the inverse pole figure method were used as a quantitative criterion of the natural texture. …”
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STUDY THE EFFECT OF SHOT PEENING RESIDUAL STRESSES ON COMPRESSIVE STRENGTH OF STIFFENED PANEL by ZHANG ZiPeng, LIU Cun, YIN KaiJun

“…A simple determination method for influence coefficient of shot peening is given and the functions in engineering are amended. …”
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Characterization of slurries for slip casting via constant pressure filtration: determination of the most suitable slurry property for controlling the green-body density by Takamasa Mori, Chie Matsumoto, Kenta Kitamura, JunIchiro Tsubaki

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MODELING OF A DUPLEX MILLER AND CONDITIONS OF FORMATION OF TREATMENT OF WHEEL PAIRS OF MAIN ELECTRIC CARDS, DUAL CARS, ELECTRO SECTIONS by Victor Shapovalov, Alexandr Permyakov, Alexander Klochko

“…The purpose of the work is to develop a modeling method for a special shaped cutter with increased productivity, designed to process the profile of locomotive railway wheels taking into account the shaping processes, which is based on the theory of modeling the high-speed milling process through the shaping efficiency coefficient. …”
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Determination of 17 types of phthalates in drinking water by solid-phase extraction coupled with multiple reaction monitoring of gas chromatography-mass spectrometry by SHI Mengxing, YANG Yan, DU Limin

“…The precision and accuracy of this method were assessed by determining the standard curves, detection limits, quantification limits, relative standard deviations (RSD) and average spiked recovery rates for the 17 types of PAEs. …”
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Investigation of Indirect Shear Strength of Black Shale for Urban Deep Excavation by Mintae Kim

“…The effects of experimental methods and diametric loading on the elastic constant determination were evaluated and analyzed, and the indirect shear strength of the black shale, considering anisotropy, was determined using the estimated stress concentration coefficient. …”
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Assessment of Interregional Inequality of Tax Revenues by A. Sh. Kamaletdinov, A. A. Ksenofontov

“…A more accurate picture is described with the quotient of the tax revenues’ division by the labor resources engaged in their creation. Based on the methods used and data provided by the Federal Tax Service of the Russian Federation and Rosstat, was made of the uniformity of tax revenue collection among 85 subjects of the Russian Federation in the period from 2015 to 2020, all applied coefficients and indices were calculated. …”
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A New Proposal for Consumer Price Index (CPI) Calculation and Income Distribution Measurement by Income Groups by Esat Daşdemir

“…This study proposes an alternative method for the calculation of income distribution using the Gini coefficient. …”
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Investigation of the Kinetics of Heat and Moisture Exchange during Heat Treatment and Drying of Thin Wet Thermal Insulation Materials by A. I. Ol’shanskii, A. N. Golubev

“…The approximation of the drying rate curve by various methods is presented. When determining the duration of drying by zonal methods, the equation of the drying rate with the drying coefficient was used. …”
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Faulty feeder selection based on improved Hough transform in resonant grounded distribution networks by Xiaowei Wang, Xinyu Qu, Liang Guo, Zhihua Zhang, Yizhao Wang, Peng Wang

“…Due to the weak fault characteristics and inaccurate fault line selection during high impedance faults, this paper proposes a new method for fault line selection in resonant grounded distribution networks based on improved Hough transform. …”
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The potential energy impact of the suction tube of pumping facilities on the mark of pump axis installation and the power consumption of drive motors by Dmitriy S. Tsyplenkov, Irina N. Vinokurova, Ruslan R. Mazanov, Yulia S. Urzhumova

“…Purpose: to substantiate theoretically the impact of the potential energy of suction tube of pumping facilities on the installation mark of the pump axis and the drive motor power. Materials and methods. The theoretical studies were based on the substantiation of the impact of potential energy in the pump housing on head, on the analysis of dependence of hydraulic resistances coefficients in the suction tube on the installation height of the pump axis relative to the water source surface and on the impact of potential energy in the suction tube on the useful power of drive motors. …”
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Prediction of Poisson's ratio for a petroleum engineering application: Machine learning methods. by Fahd Saeed Alakbari, Syed Mohammad Mahmood, Mohammed Abdalla Ayoub, Muhammad Jawad Khan, Funsho Afolabi, Mysara Eissa Mohyaldinn, Ali Samer Muhsan

“…The best approach out of the published and proposed methods was GPR with a coefficient of determination (R2) and average-absolute-percentage-relative-error (AAPRE) of 0.95 and 2.73%. …”
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Rice Identification and Spatio-Temporal Changes Based on Sentinel-1 Time Series in Leizhou City, Guangdong Province, China by Kaiwen Zhong, Jian Zuo, Jianhui Xu

“…The results revealed that by analyzing SAR-intensive time series data, we were able to determine the backscattering coefficient of typical crops in Leizhou and use the threshold segmentation method to identify rice labels in SAR-intensive time series images. …”
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Electronic transport study for SF6 Plasma by A I Ahmed, N A Hamdoon

“… Determination the electron transport parameters, (drift velocity ( ) , mean electron en­ergy ( ), diffusion coefficient (D), mobility ( ) and ionization coeffi­cient ( ) ), in an at­tempt to show the influence of the presence of dust on their behavior in a direct cur­rent low pres­sure SF6 glow discharge .The Boltz­mann Transport Equation (BTE), using two-term approxima­tion are solved self-consistly. …”
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Is There Any Correlation Between Diffusion‐Weighted Imaging and Histopathologic Findings of Meningioma? A Retrospective Study by Mahrokh Sadat Vaziri, Fahimeh Zeinalkhani, Soroush Alaeddini, Vahid Soleimani, Jayran Zebardast, Peyman Kamali Hakim, Hadise Zeinalkhani, Fahime Azizinik, Sina Delazar

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Thermoelectric installation for lifting objects from shallow reservoirs using the freezing method by O. V. Evdulov, D. V. Evdulov, I. A. Gabitov, M. U. Yakhyaev

“…The installation parameters have been determined: the number of TEMs of the DRIFT-1.2 type is 8, the operating power range of a single TEM of the DRIFT-1.2 type is from 14 to 40 W with an average temperature difference between the junctions of 45 K, the supply current is from 3.8 to 7 .6 A with power consumption from 50 to 200 W, coefficient of performance - from 0.1 to 0.45, minimum temperature of the cold wall of the TU - 248 K, a domestically produced thermal thermosyphon is used as a heat removal system from the hot junctions of the TEM.…”
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