Separations of Strategic Metals from Spent Electronic Waste Using “Green Methods” by Urszula Domańska, Anna Wiśniewska, Zbigniew Dąbrowski

“…The Analyst 800 atomic absorption spectrometer (FAAS) is used for the determination of metal content in the solid BM. The ICP-OES method is used for metal analysis. …”
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Efficiency of Paraumbilical Trocar Hernias Alloplasty Methods, Combined with Diastasis Recti, Taking Into Account the Risk Factors of Their Relapse (First Notice) by Dadayan V.

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New High Efficiency and Strength Bending Strain Sensor Based on Piezoelectric Stacks by Vladimir Sidorov, Nelly Rogacheva, Yulia Zheglova

“…Piezoelectric laminated stacks have a periodic structure, and we will use the mathematical homogenization method to correctly determine their effective moduli (physical constants). …”
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Determining the efficiency of low-intensity laser radiation exposure with a wavelength of 445 nm appliied to the gingival area according to the data from laser doppler flowmetry by Natalia V. Romanenko, Ekaterina V. Tulskikh, Natalia M. Kirsanova, Svetlana V. Tarasenko

“…AIM: to assess the effects of 445 nm laser radiation with a 0.1 Watt power on the microcirculation and the lymphatic flow in the gingival area using the method of laser Doppler flowmetry. METHODS: The efficiency of laser radiation with a wavelength of 445 nm in the gingival area was determined by the data from laser Doppler flowmetry. …”
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Interactive methods of mathematics teaching in technical universities: the educational and upbrbringing aspects by Elena N. Nikolaeva, Irina P. Egorova

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Pretreatment method of forchlorfenuron residues in loquat by HPLC analysis by YANG Chunping, LI Zhaojun, NING Hong, CHEN Huabao, GONG Guoshu, YANG Jizhi, ZHANG Min

“…Therefore, residue detection of forchlorfenuron in fruits and vegetables is imperative.High-performance liquid chromatography (HPLC) analysis is a common detection method. The suitable conditions for the extraction and purification of sample play an important role prior to HPLC analysis.In this study, the extraction efficiency of forchlorfenuron residues in loquat was compared using matrix dispersive solid phase extraction and QuEChERS (quick, easy, cheap, effective, rugged, safe).The results showed that QuEChERS was a more suitable pretreatment method for the determination of forchlorfenuron residues in loquat, because it had obviously higher average recoveries than the matrix dispersive solid phase extraction. …”
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Quality Evaluation of Micro-Holes Processed by Efficient One-Step Femtosecond Laser Helical Drilling Method in Nickel-Based Superalloy by Mingquan Li, Yiyu Chen, Li Dong, Dan Liu, Xudong Sun

“…This research work details the main factors affecting the orifice and profile morphology of micro-holes processed by the one-step femtosecond laser helical drilling method. Cylindrical holes or even inverted cone holes can be obtained with the appropriate deflection angle and translation distance. …”
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An efficient harvesting strategy for agarwood based on the correlation analysis of resin formation and leaves dynamic changes induced by integrated induction method. by Jie Chen, Tianyu Gao, Yanhui Ge, Xiaodong Chen, Meirou Feng, Xiaoying Chen, Weimin Zhang, Xiaoxia Gao

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A comparison of established and digital surface model (DSM) ‐based methods to determine population estimates and densities for king penguin colonies, using fixed‐wing drone and sat... by J. Coleman, N. Fenney, P.N. Trathan, A. Fox, E. Fox, A. Bennison, L. Ireland, M.A. Collins, P.R. Hollyman

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Determination of the tangential component of cutting resistance during frozen sedimentary rock cutting using blocked, deeply blocked and cell cutting methods by Stanislav A. Shemyakin, Evgenii A. Shishkin

“…The results of the research allow a more reasonable approach to the adjustment of existing methods for determining the required tractive force and power for the drive of an excavation machine, and, therefore, to the actual efficiency and profitability of work.…”
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Analyzing analytical and software methods for deep foundation analysis and presenting a new solution for determining pile capacity using the PDA test by Ahmad Honarjoo, Vahed Ghiasi

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Determination of Radiation Shielding Features of Polyvinyl Alcohol/Magnetite-Bismuth Oxide Composite Using Precise Computational Methods and Monte Carlo Code by Fariba Baroonzadeh, Maziyar Mahdavi, Mohammad Hosseini, Reza Jalli

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STATISTICAL ANALYSIS OF THE EFFICIENCY OF THE PRODUCTION AND CONSUMPTION OF MILK PRODUCTS by Vladimir S. Mhitaryan, Lyubov V. Ruchinskaya

“…The methods of efficiency estimation of activity of milk-producing enterprises, which are based on construction of hierarchical system of integrated indexes and allow to classify milk-producing enterprises according to the level of their activity efficiency, are suggested in the article. …”
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An efficient integrative method for a sustainable environmental management of produced water: Application on the Zelten oil field, sirte basin, Libya by Akram Smeda, Zohra Kraiem, Ali Sdiri, Boubaker Elleuch, Monem Kallel, Chaouki Sadik

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Efficient Capacity-Based Joint Quantized Precoding and Transmit Antenna Selection Using Cross-Entropy Method for Multiuser MIMO Systems by Jung-Chieh Chen, Min-Han Chiu, Yi-Syun Yang, Kuan-Yuen Liao, Chih-Peng Li

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Efficient Concurrent Analysis of Mesotrione, Atrazine, Benoxacor and S-Metolachlor in Herbicide Formulate: Developing and Validating a Reversed-Phased HPLC Method by Anum Hafeez, Sajid Iqbal, Iffat Abdul Tawab Khan, Qurrat-ul-Ain

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Novel ecofriendly spectrophotometric methods for the determination of six dihydropyridines calcium channel blockers through derivatization with sulfophtalein dye: application to ta... by Mariana Horyn, Liubomyr Kryskiw, Tetyana Kucher, Nadiya Zarivna, Olha Poliak, Liliya Logoyda

“…The proposed approach was more efficient in terms of time reliability, sensitivity and «greenness» than other recorded spectrophotometric methods and can be easily implemented for routine pharmaceutical analysis.…”
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Determination of content of dechlorane plus flame retardant in rubber products by solvent precipitation and gas chromatography-micro cell electron capture method by YU Jian-long, HUO Wei-jiang, PENG Zhi-keng, LIU Zhi-wen, LI Quan-zhong

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Rapid Determination of Trace Impurity Elements in Pure Molybdenum by Inductively Coupled Plasma-Mass Spectrometry Based on the Online-Standard-Addition Method by Yichuan TANG, Yuanyuan FENG, Tao ZHOU, Yanjie CUI, Jianying ZHANG

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A method for determining the topology of swarm elements relative to the leader and an algorithm for constructing a spatial matrix of unmanned aerial vehicles placement by Pavlo Marchenko

“…The subject of study in this article is a method for determining the topology of swarm elements relative to the leader and an algorithm for constructing a spatial placement matrix. …”
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