Vibration reliability of steel beams prestressed by drawing by E. V. Kravchuk, I. Yu. Belutskii, V. A. Kravchuk

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N-[(1RS)-camphane-2-ylidene]aniline: A novel efficient liquid UV absorber for 3D printing by N. V. Sidorenko, M. A. Vaniev, Iu. M. Mkrtchyan, N. A. Salykin, A. A. Vernigora, I. A. Novakov

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Integral criterion for estimation the effectiveness of lithotripsy-treated urolithiasis by I. A. Arbuzov, I. V. Feofilov, S. A. Rakhimov, V. S. Chernega

“…Expert survey was carried out using the questionnaire method. Mathematical methods of the operations research theory and the criteria importance theory were used to construct an integral efficiency criterion.Results. …”
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Increasing the efficiency of bioreactor operation for cultivation of methane-oxidizing bacteria under conditions of decreasing carbon dioxide concentration in the cultural liquid by V. M. Kochetkov, I. S. Gaganov, D. V. Tolkin, V. V. Kochetkov, P. A. Nynkov

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Simultaneous determination of 9 succinate dehydrogenase inhibitor compounds in vegetables by QuEChERS combined with gas chromatography-tandem mass spectrometry by LIU Jun, LUO Xianyong, CAO Qiaofeng, LI Jilong, ZHANG Bo, CEN Jianbin, LI Shan

“…The results of different levels of spiked experiments for 9 SDHIs showed a good recovery rate of 80.4%-98.2% and the relative standard deviations (RSDs) were 3.0%-7.9%. The method was efficient, fast, easy to operate, with low detection cost, high recovery rate, high sensitivity, and good reproducibility, which was suitable for batch determination of 9 SDHIs in daily vegetables.…”
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The effect of crop rotations and mineral fertilizers on economic and energy efficiency indicators when cultivating winter wheat in the Central Blackearth region by V. A. Lukyanov, L. B. Nitchenko

“…Economic efficiency is an integral method of analyzing agricultural technologies, especially against the rising prices for plant protection products, seeds, fertilizers, and fuels and lubricants. …”
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Synthesis of novel magnesium ferrite Schiff base chitosan nanocomposite for efficient removal of pb(II) ions from aqueous media by Nada S. Al-Kadhi, Ehab A. Abdelrahman, Fowzia S. Alamro, Reem K. Shah, Fawaz A. Saad, Khalil ur Rehman

“…Abstract In this study, a novel MgFe2O4-Schiff base-chitosan nanocomposite was synthesized using a straightforward crosslinking method. The synthesis involved integrating MgFe2O4 nanoparticles with modified chitosan through a Schiff base formed by the reaction between terephthalaldehyde and aminopyrazine. …”
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Мodern opportunities of organizing complex obstetric and gynecological care using hospitalreplacing technologies by N. N. Lebedev, A. N. Shikhmetov, A. M. Zadikyan, A. A. Pazychev, E. A. Panova, E N. Kalmakova, E. N. Kalmakova, M. V. Petrova, L. A. Osin, V. A. Nazarov

“…Effective use of modern clinical, laboratory and instrumental methods of examination allows at the stage of primary treatment in the shortest possible time to establish a clinical diagnosis and determine the plan of invasive diagnostic and therapeutic measures. …”
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Design of a High-Efficiency External Rotor Interior Permanent Magnet Synchronous Motor Without Magnetic Leakage Flux Path by Kyoung-Soo Cha, Jae-Hyun Kim, Soo-Gyung Lee, Min-Ro Park

“…The conventional model based on an external rotor surface-mounted permanent magnet synchronous motor (SPMSM) is analyzed using a statistical method. Design directions are derived by comparing efficiencies at two major operating points with different motor characteristics. …”
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Determination of Tungsten, Molybdenum and 5 Associated Elements in Tungsten-Molybdenum Ore by Inductively Coupled Plasma-Optical Emission Spectrometry with Direct Sintering by Zhou SONG, Yiping JI, Weihua WANG, Shaomin FANG, Jie YANG, Huoyan LUO, Yuqi ZHOU

“…It is insoluble in hydrochloric acid, nitric acid and aqua regia, and the alkali melting and mixed acid dissolution method was often selected for sample digestion. However, the matrix effect cause by the alkali melting method seriously affects the accuracy and detection limit of instrument testing; the acid dissolution method has low dissolution efficiency for tungsten, molybdenum and other insoluble elements, and requires a long time and a complex pretreatment process by using a variety of inorganic strong acids such as hydrofluoric acid and aqua regia, which can also cause damage to the analytical and testing instruments.OBJECTIVESTo develop a simple and efficient method for quantitative analysis of tungsten and molybdenum and its associated elements in tungsten-molybdenum ore.METHODSBased on alkaline melting and acid dissolution, a method was established by inductively coupled plasma-optical emission spectrometry (ICP-OES) with direct sintering and complex extraction of hydrochloric acid-phosphoric acid-citric acid. …”
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Investigating the Impact Corporate Financialization on Investment Efficiency based on the Moderating role of Financing Constraints of Companies listed on the Tehran Stock Exchange by Khadijeh Rabiee, Morteza Mahdian poor

“…The main purpose of this study is to show whether the financing of companies has an impact on their investment efficiency and how this impact is determined by the moderator of the financing constraints of companies. …”
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The relationship between ethical procurement, corporate image and procurement efficiency in public sector procurement: A case of public entities in Bindura by Tendai Towo, Knowledge Jonasi

“…According to this method, given the target population of 120 and a margin of error of 5% based on 95% confidence level, with a response distribution of 50%, the minimum recommended sample size for this study was 73. …”
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Dynamic Grouping Control of BESS for Remaining Useful Life Extension and Overall Energy Efficiency Improvement in Smoothing Wind Power Fluctuations by Yang Yu, Dongyang Chen, Yuwei Wu, Boxiao Wang, Yuhang Huo, Wentao Lu, Zengqiang Mi

“…The upper layer achieves power allocation from BESS into the three BGs and power allocation method for each BG is determined. The lower layer, considering PCS efficiency under different working conditions, finishes power allocation from each BG into BUs inside it. …”
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Relevance of external factors in choosing a special vehicle for the perishable freight conveyance by T. I. Nabatcikova, A. V. Kostin, S. N. Naumenko

“…When choosing them, the shipper should know the estimated period of transportation of perishable food, where the temperature of the latter would remain within the range of established transportation and storage temperatures.Materials and methods. The calculation of the permissible transportation period uses the overall heat transfer coefficient of the body of a special vehicle determined by thermal tests using internal heating or cooling methods with mathematical dependencies that factor in the calculated change in the heat transfer coefficient during movement in train set.Results. …”
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Effects of heterologously overexpressing Manihot esculenta Crantz MeNRT2.6 gene in Arabidopsis thaliana on nitrogen utilization efficiency by Min ZHAI, Yingjie CAO, Chenyu LIN, Pingjuan ZHAO, Wenbin LI, Xiaoling YU, Wenbin LIAO, Mengbin RUAN, Liangping ZOU, Zhuang LI

“…Under 0.5 mmol/L nitrate nitrogen treatment, MeNRT2.6 expression was induced in cassava roots, stems and leaves depending on the treatment method. Under 39.5 mmol/L nitrate nitrogen treatment, MeNRT2.6 expression was specifically induced in leaves regardless of treatment method. …”
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OPTIMAL PARAMETERS OF ASYMMETRICAL OSCILLATIONS OF THE TOOL FOR CIRCULARING WITH VISCOUS STRUCTURAL STEEL by S. S. Danilchyk, V. K. Sheleh

“…A formula has been derived for determination of this ratio according to a coefficient of oscillation cycle asymmetry and number of complete oscillation cycles per one revolution of the workpiece. …”
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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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Monte Carlo Simulation of Gamma and Neutron Shielding with High-performance Ultra-heavy Cement Composite by Mohammadreza Alipoor, Mahdi Eshghi, Ramazan Sever

“…To evaluate the radiation shielding capabilities, other quantities such as the linear attenuation coefficient, the thickness of the tenth value layer, the thermal neutron cross-section, absorption rate of thermal neutrons, and the cross-section of the fast neutron removal are determined. …”
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Technical and cost efficiency analysis of irrigated onion production insight from smallholders irrigated onion farmers in north East Amhara National Regional State, Ethiopia by Kindye Ayen, Tariku Kidane, Adane Wubet

“…Cost efficiency, on the other hand, was determined by the age and educational status of the household head, family size in man equivalent, and the size of irrigated land owned by the onion farmer. …”
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Efficient biodiesel production from waste cooking oil using a bifunctional Ce/Mn/γ-Al₂O₃ catalysts by Nashwa Mohammed Alahmar, Nur Izyan Binti Wan Azelee, Susilawati Toemen

“…This study seeks to overcome these challenges by developing and optimizing a bifunctional Ce/Mn(10:90)/γ-Al₂O₃ catalyst via the incipient wetness impregnation (IWI) method. The catalyst’s dual acidic and basic active sites enable simultaneous esterification and transesterification, enhancing biodiesel production efficiency from high-FFA feedstocks. …”
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