PRINCIPLES AND STRUCTURE OF THE METHODOLOGY OF RISK-ADAPTIVE MANAGEMENT OF PARAMETERS OF INFORMATION AND TELECOMMUNICATION NETWORKS OF CRITICAL APPLICATION SYSTEMS by Viktor Kosenko

“…The composition and peculiarities of models (mathematical and systemic) and methods which are the basis of the methodical apparatus are determined. …”
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Temperature Stabilization of Electromagnetic Wave Phase Velocity in Rectangular Waveguide with Layered Nanocomposite Ferroelectric Film by I. G. Mironenko, A. A. Ivanov

“…The numerical model is based on the scalar form of the finite element method reduced to a homogeneous system of lin-ear algebraic equations with respect to nodal values of the wave scalar for one-dimensional approximation. …”
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Enforcing Energy Balance in Coherently Superimposed Optical Vortices by Jaime Cisternas, Jaime A. Anguita, Gustavo Funes

“…The generation of optical beams with multiple, mutually coherent orbital-angular-momentum (OAM) modes using phase gratings is analyzed from the perspective of energy distribution and radial mode composition. …”
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THE COMPLEX USE OF LOCAL TYPES OF FUEL IN THE POROUS CONSTRUCTION MATERIALS PRODUCTION by N. P. Voronova, B. V. Lesun

“…The article presents a comprehensive low-waste technology is the use of local fuels, which can be used in the technology of some porous building materials. Also provides new methods of preparation of porous building materials based on aggloporite using local fuels and waste energy on the basis of milled peat, fuel briquettes and wood chips allow to replace expensive imported components that comprise the raw mixtures (coal, anthracite).On the basis of mathematical modeling of cooling in reheat furnaces pusher drive developed a method of engineering calculation mode batch hardening in agglomeration. …”
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Determination of Relative Contents of Isoflavones in Radix Puerariae Extract by Mass Spectrometry Guided High Performance Liquid Chromatography Using Quantitative Analysis of Multi... by NONG Jinmei, HAN Mo, WU Siqing, LI Libing, DENG Houqin

“…This study developed a method for the qualitative and quantitative analysis of isoflavones in Radix Puerariae extract using mass spectrometry (MS) and high performance liquid chromatography (HPLC). …”
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Principles of creating a digital twin prototype for the process of alkylation of benzene with propylene based on a neural network by K. G. Kichatov, T. R. Prosochkina, I. S. Vorobyova

“…This model can be loaded into a microcontroller to allow for real-time determination of the economic efficiency of plant operation and automated optimization depending on the following factors: composition of incoming raw materials; the technological mode of the plant; the temperature mode of the process; and the pressure in the reactor.Conclusions. …”
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Mechanical properties, chemical and thermo-oxidative resistance of biopolymer matrices based on the epoxy resin and functionalized soybean oil by O. G. Purikova, L. A. Gorbach, O. O. Brovko

“…At the same time, the curing mode has almost no effect on ultimate tensile strength value of the samples with ED-20/UP composition. …”
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Thermoelectric device for fastening parts by freezing during machining by O. V. Evdulov, D. V. Evdulov, S. G. Gasanova, Z. M.–Z. Badrudinova

“…To ensure the required operating mode of the device, a layered thermoelectric battery developed at the Research Institute of Semiconductor Thermoelectric Devices and Devices can be used in its composition. …”
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Communication network-based train control system by LU Xiangyang, XU Fuhong, HAN Chen, LI Siyuan, WU Weiping, XU Jin

“…This solution included automatic configuration methods, layered functions, and system architecture for communication network-based train control (CBTC) systems, focusing on automatic train operation aspects. …”
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Modernization of the PGU-450 thermal circuit with an increase in the thermal power of heating selections and preservation of the total electric power by L. O. Zverev, V. G. Zlobin, E. R. Zvereva

“…Modernization of the PGU with an increase in thermal power and preservation of electrical power using a block afterburning device (BDU) in a heat recovery boiler (CU). METHODS. Comparative studies of the characteristics of the PGU-450 without a BDU and with an installed DBU were conducted results. …”
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Taxonomic structure of bacterial communities in sourdoughs of spontaneous fermentation by V. K. Khlestkin, M. N. Lockachuk, O. A. Savkina, L. I. Kuznetsova, E. N. Pavlovskaya, O. I. Parakhina

“…With further propagation of sourdough after 10 days, the position of the dominant groups of bacteria was occupied by representatives of the phylum Firmicutes, lactic acid bacteria of the genus Lactobacillus. The influence of the mode and parameters of the sourdough on the species composition of lactobacilli, which demonstrated a low bacterial diversity, is shown. …”
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Comparative Effect of Breast Milk and Infant Formulae on Neonatal Gut Microbiome within Katsina Metropolis by Usman, A., Abdulkadir, B., Lawal, B., Isah, M. B.

“…Despite advancements in enriching infant formulae with probiotics and other bifidogenic substances, subtle differences in fecal bacterial load compared to breast milk persist, highlighting the significant influence of both feeding methods on the composition and functionality of the neonatal gut microbiome…”
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Practical application of correlation-regression analysis results for predicting the quality of coiled rebar products by S. A. Savchenko, A. B. Sychkov

“…Using the least squares method within the framework of correlation-regression analysis, linear multiple regression models were developed to calculate the temperature at the center and edges of coils on the roller conveyor (across the width of the conveyor in areas of coil accumulation and in individual coil sections). …”
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Research on several key technologies of satellite Internet by Gengxin ZHANG, Yunfeng WANG, Xiaojin DIGN, Tao HONG, Ziwei LIU, Chen ZHANG

“…Satellite Internet has the ability of global seamless coverage, which will be an important part of the future land-sea-air-space integrated network.Firstly, the architecture of satellite Internet was discussed, which included the general composition of the system, networking mode, working process, etc.Secondly, the methods of modeling broadband and narrowband traffic were proposed to extract the uneven space-time distribution characteristics of traffic for satellite Internet.Then, the co-frequency interference of spectrum-sharing was analyzed, showing that there would be more serious co-frequency interference among different non-geostationary satellite orbit (NGSO) constellations in the future.Next, the schemes of both beamforming design for low earth orbit satellite and beam-hopping design for high orbit satellite were explored, which could significantly improve the system capacity through efficient mining of space-domain resources.Finally, the development prospect of several technologies of satellite Internet were given.…”
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Research on several key technologies of satellite Internet by Gengxin ZHANG, Yunfeng WANG, Xiaojin DIGN, Tao HONG, Ziwei LIU, Chen ZHANG

“…Satellite Internet has the ability of global seamless coverage, which will be an important part of the future land-sea-air-space integrated network.Firstly, the architecture of satellite Internet was discussed, which included the general composition of the system, networking mode, working process, etc.Secondly, the methods of modeling broadband and narrowband traffic were proposed to extract the uneven space-time distribution characteristics of traffic for satellite Internet.Then, the co-frequency interference of spectrum-sharing was analyzed, showing that there would be more serious co-frequency interference among different non-geostationary satellite orbit (NGSO) constellations in the future.Next, the schemes of both beamforming design for low earth orbit satellite and beam-hopping design for high orbit satellite were explored, which could significantly improve the system capacity through efficient mining of space-domain resources.Finally, the development prospect of several technologies of satellite Internet were given.…”
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Study the fault-tolerant design of flight control system based on distributed systems architecture by YANG Zhaoxu, YANG Lin, WAN Tiancai, ZHANG Jun

“…By analyzing the running time sequence，composition and architecture characteristics of distributed system，the key entry points of fault-tolerant design of distributed system are sorted out，and the solutions and implementation methods of fault-tolerant design scheme are expounded. …”
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Determination of 10 organic acid contents in tea using high performance liquid chromatography-diode array detector by WANG Lili, YANG Junguo, LIN Qingxia, XIANG Lihui, SONG Zhenshuo, ZHANG Yinggen, CHEN Lin

“…The established HPLC method was methodologically assessed and applied to teas, which included maintaining TSKgel ODS-100V column (4.6 mm×250 mm, 5 μm) at 40 ℃, using 0.10% phosphoric acid-water solution (mobile phase A) and 50% acetonitrile-water solution (mobile phase B) with the gradient elution mode of 100% A (0 min)→100% A (12 min)→0% A (17 min)→0% A (25 min)→100% A (30 min)→100% A (33 min) with 2 min post-run at the flow rate of 1.0 mL/min, and detecting at the wavelengths of 210 and 245 nm for ascorbic acid, and 210 nm for other organic acids by diode array detector (DAD). …”
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<i>One-pot</i> determination of amino acids in drugs by pre-column derivatization with phenyl isothiocyanate by P. A. Kalmykov, T. P. Kustova, S. O. Kustov, P. S. Shestakovskaya, T. R. Azmetov, A. A. Kalmykova

“…Objectives. To develop a new method to determine amino acids in drugs by means of reverse-phase high-performance chromatography (RP HPLC) with pre-column derivatization using phenyl isothiocyanate (PITC) and one-pot sample preparation.Methods. …”
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Determination Modal parameters a Turning machining system by Юрій Петраков, Олександр Охріменко, О. Пасічник, А. Петришин

“…A dynamic model of the machining system of a lathe has been developed as a composition of the main units using the receptance coupling method, which made it possible to calculate the rigidity of the entire system, reduced to the tip of the cutter, as a function of the longitudinal coordinate when machining a workpiece installed in a chuck and in a chuck and rear center. …”
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A power controller integrating MPPT and S3R topology by Wang Boxin, Liu Shufeng, Zou Jiwei, Jia Xu, Zhang Wei, Dai Lu

“…This article introduces the system composition, mode switching method, and maximum power point tracking principle of the proposed power controller in detail, and builds a test prototype for experimental verification. …”
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