bluuebunny/crossref_metadata_2025 huggingface dataset:
Diagnostic Overview and Management of Adult Pulmonary Tuberculosis Patients Inpatient at RSU Royal Prima Medan in 2020
Authors: Sartika Dewi , Nerseri Barus
Published: December 2021

Tuberculosis is an inflammatory disease of the lung parenchyma caused by infection with Mycobacterium tuberculosis. This research aims to find out the description of the diagnosis and management of adult pulmonary TB patients hospitalized at RSU Royal Prima Medan in 2020. This study is a descriptive study. This study is based on medical record data on inpatients with a diagnosis of pulmonary TB at the Royal Prima General Hospital Medan in 2020. The youngest patient was 18 years old and the oldest was 82 years old. The main complaint was shortness of breath (53%), additional complaints were cough (48%), symmetrical physical examination of the thorax (91%), positive sputum smear examination (72%), combined medical management of pulmicort + fumadryl + paracetamol + levofloxacin + OAT category I (72%), the longest length of stay was 7-8 days (38%), the shortest was 11-12 days (1%). In conclusion, pulmonary TB occurs more in men in the 37- 45 year age group (22%), the most complaints are shortness of breath (53%), and the most widely used combination treatment is pulmicort + fumadryl + paracetamol + levofloxacin + drugs anti tuberculosis category I (72%).
EFFICIENCY ASSESSMENT METHODOLOGY COMPLEX SOLUTIONS FOR INDUSTRIAL AUTOMATION
Authors:   Samara State Technical University, Cherepashkov A.A. , Samoylov P.A. ,   ASKON-Samara LLC
Published: December 2021

The article discusses the problems of introducing CAD systems integrated into complex automated production systems (PLM solutions). One of the reasons for the failures and low efficiency of projects for the implementation of complex automated systems is the lack of criteria for assessing their effectiveness, necessary for the organization of development management. A system of formalized indicators is proposed that allows for analysis and multicriteria optimization of the processes of creating integrated CAD systems. Four groups of indicators have been identified and defined: Functional indicators, presented in the form of tags, reflecting certain achievements in expanding the functionality of the system, increasing the completeness of system procedures, improving the quality of workflows and processed information; Financial and economic indicators, taking into account the customer's requirements for the costs and timing of the project; Socio-economic criteria demonstrating improvements in the conditions for the activities of the personnel of the automated system; Indicators of the complexity of the solution associated with the level of automation of both design and production stages. The results of a study of projects of complex automation of the leading enterprises of the aircraft and automotive industry of the Samara region are presented. The introduction of a software and methodological complex made it possible to increase the level of automation of dispatching processes and operational planning of production, interconnected with the design and technological design. Due to this, the volume of work in progress has been significantly reduced and equipment changeovers have been minimized. In general, it can be stated that the introduction of a multi-criteria monitoring methodology at the design and production stages of the life cycle of mechanical engineering products can increase the efficiency of the development and implementation of complex automated systems.
INCREASING THE EFFICIENCY OF THE CUTTING AND PROCESSING OF GEARS
Authors:   Samara State Technical University, Papsheva N.D. , Akushskaya O.M. ,   Samara State Technical University
Published: December 2021

The paper presents data on the influence of ultrasonic vibrations on the processes of cutting gears made of difficult-to-cut materials. It is shown that with the introduction of ultrasound into the processing zone, there is a significant decrease in the component of the cutting force Pz, chip shrinkage and the height of the micro-roughness. The wear of the cutting teeth with the imposition of ultrasonic vibrations becomes more stable, and the efficiency of the tooth-working tool increases.
SURFACE QUALITY AND DURABILITY OF BEARINGS AFTER SHOT BLASTING
Authors:   Samara State Technical University, Dmitriev V.A.
Published: December 2021

The results of studies of surface quality parameters and accuracy of bearing rings after finishing abrasive machining of raceways (grinding and superfinishing) and after hydroblasting (HDB) hardening or microbead hardening with the use of cutting fluids are presented and refined.
RESEARCH AND DEVELOPMENT OF THE TECHNOLOGY FOR RESTORING THE BLADES OF THE GAS TURBINE ENGINE AFTER OPERATION BY LASER SURFACING
Authors:   Samara State Technical University, Golubovsky E.N. , Zhatkin S.S. ,   Samara State Technical University, Parkin A.A. ,   Samara State Technical University
Published: December 2021

The paper presents the research and development of the technology for restoring the blades of a gas turbine engine made of ZhS6U alloy after operation by laser pulse surfacing. Metallographic examination and control by the luminescent method at the places of surfacing were carried out. A technology for eliminating defects that occur on the blades during operation has been developed and tested.
TOOL HEAD DESIGN FOR A SPECIAL TURNING MACHINE
Authors:   Samara State Technical University, Krotinov N.B.
Published: December 2021

This article discusses the design sequence of a special tool for processing shafts. An original design of the tool head is proposed, which allows simultaneous cutting, grooving, and chamfering of the shafts on both sides with axial feed with the possibility of adjustment to different diameters and depths. The calculations and operational tests of the tool head showed its functional suitability and reliability. The relatively low cost of manufacturing the tool, versatility, fast setup and changeover ensure high economic efficiency of processing.
IMPROVING THE QUALITY OF CONTROL OF WELDED JOINTS IN THE PRODUCTION OF MECHANICAL ENGINEERING PRODUCTS
Authors:   Samara State Technical University, Malkina I.V. , Zhdanov D.V. ,   Samara State Technical University
Published: December 2021

The purpose of the work is to develop an automated quality control system for welded joints of cable car structures designed and manufactured at the Skado LLC enterprise (Samara) in order to improve the quality of control. The analysis of requirements for welded structures and welded joints of cable cars is carried out, methods of control of welded joints are considered. A block diagram of an automated system for quality control of welded joints based on the method of ultrasonic testing has been developed. The analysis of ultrasonic sensors on phased arrays is carried out. The sensors and actuators of the system are selected. A scheme for interfacing system elements with a programmable logic controller has been developed. The structure of the system and the scheme of interfacing the system elements with the programmable logic controller are described. A method for performing control has been developed.
IN MEMORY OF THE OUTSTANDING RUSSIAN SCIENTIST-TECHNOLOGIST, HONORED WORKER OF SCIENCE AND TECHNOLOGY OF THE RSFSR, PROFESSOR BORIS KRAVCHENKO
Authors:   Samara State Technical Uni, Nosov N.V.
Published: December 2021

The article is dedicated to the memory of the outstanding domestic scientist-technologist, distinguished worker of science and technology of the RSFSR, professor Kravchenko Boris Alekseevich
DETERMINATION OF VIBRATION POWER OF VIBRATION SOURCES OF SPINDLE UNITS OF METAL CUTTING MACHINES
Authors:   Samara State Technical University, Denisenko A.F. , Mikhailov V.V. ,   Samara State Technical University
Published: December 2021

Monitoring the state of spindle assemblies of modern metal-cutting machines using CIP methods implies the possibility of installing control sensors in places with maximum vibration information content. In this regard, the assessment of the informativeness of the vibration field of the spindle assembly, which can be carried out in advance, taking into account the design features, geometric and dimensional characteristics, is an urgent task. Based on the energy approach, using the example of the spindle assembly of a universal lathe, a computational model is proposed, built along the median planes of the walls. On the basis of the calculated model, the equations of the energy balance were compiled taking into account the conditions for the transfer of vibration power between the walls of the housing. The method for determining the vibration power of the main sources in the spindle assemblies is given: a spindle with residual unbalance, a drive gear and bearings. It has been established that the most significant factors determining the vibration power introduced into the spindle unit housing are the operation of the bearings, the weight of the spindle and the location of its center of mass. The result obtained makes it possible to detect incipient defects in the bearings, which, as practice shows, are the defining elements of the parametric reliability of spindle assemblies. The resulting model of the vibration field can be used to determine the reference values of vibration velocities that are formed from sources in the absence of defects.
THE TECHNIQUE OF DETERMINATION OF THE MODE OF MECHANICAL TREATMENT IN THE CONDITIONS OF UNCERTAINTY OF TECHNOLOGICAL INFORMATION WITH TIME-VARYING PARAMETERS
Authors:   Ulyanovsk State Technical University, Unyanin A.N. , Finageev P.R. ,   Ulyanovsk State Technical University
Published: December 2021

To reduce the error in the appointment of the mode in the conditions of uncertainty of information for the first time developed mathematical models and algorithms that provide for the correction of the model parameters relating the input and output parameters of the process, according to the current information about the output parameters. Developed a plan of varying the controllable factors of the technological process, the methodology and the algorithm used to generate mathematical models of the machining process with time-varying parameters. Models take into account the mutual influence of the tool state parameters and the current processing parameters and their impact on the output parameters and allow you to calculate the output parameters of the process at different times. This makes it possible to create prerequisites for the purpose of machining mode with time-varying parameters in the conditions of uncertainty of technological information.
TRAINING OF CAD TARGET PERSONNEL IN THE ENVIRONMENT OF A TRAINING VIRTUAL ENTERPRISE
Authors:   Samara State Technical University, Cherepashkov A.A. , Voronin V.N. ,   Samara State Technical University, Sharaukhova A.G. ,   Samara State Technical University
Published: December 2021

The article is devoted to the tasks of training process engineers working in integrated CAD systems. To develop the skills of technologists to work in a single information space, educational and research virtual enterprises (ERVP) are being developed. The composition and structure of the complex means of providing the educational and research virtual enterprise is proposed. The method of application of the ontological analysis of optimal trajectories for training specialists is described.
THE PROBABILITY OF FAILURE OF THE HEATING CONTROL UNIT DURING THE FLIGHT AND ITS CONSEQUENCES
Authors:   Ulyanovsk State University, Butov A. A. , Leushkina T. S. ,   Ulyanovsk State University, Suleymanov I. R. ,   Ulyanovsk State University
Published: December 2021

The article presents the results of predicting the probability of failure of the heating control unit during flight on the basis of mathematical modeling of multistage processes of performing operations in stochastic productive systems. The problem statement is formed as follows: to determine the probability of failure of the heating control unit during the flight and its possible consequences. The structural and functional diagram of the heating control unit using a strict formal mathematical description based on equations describing the Ornstein-Uhlenbeck process was considered as an initial object for determining the probability of failure.
ANALYSIS OF RECOVERY OF SQUARE COMPONENTS FROM PILOT SIGNALS
Authors:   Mordovia State University named after N.P. Ogarev, Komarova K.V.
Published: December 2021

The problem of restoring quadrature components from pilot signals in multi-frequency communication systems is considered. To find the variance of the error in estimating quadrature components, the Kalman filtering methods and autoregressive processes of the 1st and 2nd order are used.
SYSTEM FOR CORRELATION ANALYSIS OF STATISTICAL INFORMATION ON CORONAVIRUS INCIDENCE
Authors:   Izhevsk State Technical University named after M.T. Kalashnikov, Yannikov I.M. , Telegina M.V. ,   Izhevsk State Technical University named after M.T. Kalashnikov, Isenbaev A.N. ,   Izhevsk State Technical University named after M.T. Kalashnikov, Isenbaeva E.N. ,   Izhevsk State Technical University named after M.T. Kalashnikov
Published: December 2021

The article is devoted to conducting a study on the influence of various sociological, economic, environmental and other factors on the state of the incidence and spread of coronavirus in the world. The authors proposed a scheme for obtaining information from Internet resources with the possibility of conducting a correlation analysis of data on the causes, rates and scale of the pandemic, and the factors affecting its spread. The introduction shows the relevance of the topic, carried out a detailed analysis of Internet resources. The systematization of the data placed in them has been carried out, the necessary conclusions and conclusions have been drawn. The website coronavirus-monitor.ru was selected as a source of statistical information. As a toolkit, it is proposed to develop the Coronavirus Stat program, which is necessary to view statistical data on a PC offline and carry out calculations to test hypotheses about the influence of external factors on the spread and course of COVID-19. The authors considered in detail the methods of obtaining information from Internet sources, their advantages and disadvantages, the method of automatic search with the development of their own version of the parser was chosen. Requirements for the selection of factors for correlation analysis and testable hypotheses are formulated. Examples of testing hypotheses with the presentation of graphs of dependences of the number of cases on various factors and correlation fields are given. A detailed description of the developed program, consisting of the frontend part of the program, a parser for obtaining new information, a database for storing old information, files for storing static information, is carried out. Requirements for the parser are formulated, a block diagram of its algorithm is presented. The requirements taken into account in the development of the program are shown and examples of its work are given. Testing of the program was carried out by conducting experiments to test the hypotheses put forward. The results of the experiments are summarized in the table. In conclusion, conclusions are drawn on the further use of the developed program.
SCIENTIFIC AND TECHNICAL SOLUTIONS AND METHODS OF COMMUNICATION SERVICES QUALITY CONTROL
Authors:   Peter the Great St. Petersburg Polytechnic University, Davliatova M.A.
Published: December 2021

The paper is devoted to the analysis of known methods of communication servicesquality control, as well as presented innovative proposals developed by the author.: method of external quality control of services provided by the communication network (Patent for invention of the Russian Federation №2669535), aimed at solving a technical problem, which consists in presenting objective data on the quality of the provided services to consumers of communication services without their interference in the process of network functioning; billing method, taking into account the quality of the provided communication services (Patent for invention of the Russian Federation №2708512), aimed at expanding the functionality of billing systems and allowing to objectively determine the level of quality of the provided communication services for the subscriber; an automated system and method for accepting payments for high-quality communication services (Patent for invention of the Russian Federation №2705422), aimed at increasing the awareness of operators about the quality of communication services, accurate to the element of a composite communication channel.
TRENDS OF INNOVATIVE DEVELOPMENT OF PROCESSING INDUSTRIES
Authors:   Kazan National Research Technological University, Shinkevich A.I. , Lubninа A.A. ,   Kazan National Research Technological University, Raiskiy I.A. ,   Kazan National Research Technological University
Published: December 2021

The emergence of innovative technologies in industry has made a revolution that has contributed to a change in the production and logistics infrastructure, the structure of auxiliary and service subsystems. At the same time, innovative and technological development takes place within the framework of modern trends and concepts, such as Industry 4.0 and digitalization. The important thing here is the creation of smart industries that form their own innovation infrastructure, research program and technology development. Smart factories will integrate the entire supply chain into a single information system, which will be managed using intelligent information technologies. In this connection, it is necessary to assess the level of innovative development of industries within the framework of the Industry 4.0 concept, which includes indicators of innovative activity of enterprises, development and implementation of production technologies, investments in modernization and the purchase of new equipment. The purpose of the article is to identify trends and predict the innovative and technological development of manufacturing enterprises. Achievement of this goal presupposes the solution of the following tasks: study of modern domestic and foreign experience in the innovative development of industrial enterprises; diagnostics of indicators of innovative and technological development by industry; grouping industries by level of development using cluster analysis methods; forecasting trends in the development of manufacturing industries for the future. The article uses methods of descriptive statistics, applied methods of cluster analysis and forecasting methods. The infrastructure for innovative, smart factories and industries is yet to be created. The potential and opportunities for their creation are currently different for each type of production activity. Assessment of the level of innovative development for various types of manufacturing industry can become an effective tool for making management decisions at the state level.
FORECASTING ORDERS IN A SINGLE PRODUCTION FOR RELEVANT PRODUCTS
Authors:   Moscow State Technical University named after N.E. Baumаn, Mazurin E.B. , Savenko E.V. ,   Moscow State Technical University named after N.E. Baumаn
Published: December 2021

High uncertainty in the use of existing production facilities in a single production arises due to the uncertainty of receiving orders. To predict orders in make-to-order production, it is possible to use the method of structural analogies for the relevant products. The article provides an example of using the method of structural analogy for relevant products. An example of calculating the expected volume of orders for machine-building products (excavator buckets and helicopter engines) is given.
MULTILEVEL BALLISTIC STRUCTURE OF THE CLUSTER ORBITAL GROUPING OF REMOTE SENSING OF THE EARTH
Authors:   Military Space Academy named after A.F. Mozhaisky, Averkiev N.F. , Kulvits A.V. ,   Military Space Academy named after A.F. Mozhaisky, Zhitnikov T.A. ,   Military Space Academy named after A.F. Mozhaisky
Published: December 2021

The features of the application and justification of the orbital groupings of remote sensing of the Earth, consisting of clusters of small spacecraft, are considered. A review and analysis of the ballistic justification, construction and features of the use of orbital groups of remote sensing of the Earth is carried out. Modern approaches to the ballistic design of periodic review orbital groupings are considered. The article considers a new integrated approach to the ballistic construction of promising cluster orbital groupings, which will allow providing the spatio-temporal and accuracy characteristics required by the consumer, due to the optimal multi-level ballistic structure. The fundamental principles of constructing a cluster orbital grouping with a multi-level ballistic structure are formulated. The stages of the formation of a multi-level ballistic structure are considered in detail, from the standpoint of a systematic approach. A mathematical formulation of the problem and a hierarchy of performance indicators are proposed. For a meaningful description of the simulated system, a conceptual model for substantiating multi-level ballistic structures of a cluster orbital grouping of remote sensing of the Earth under the influence of the external environment has been developed. The model shows the interrelationships of the main elements of the substantiation of the ballistic structure of the cluster orbital grouping of remote sensing of the Earth and the sequence of formation of particular problems. The results of modeling both the ballistic structure of the cluster and the ballistic structure of the Earth remote sensing orbital grouping, which provides a set of tactical and technical, spatio-temporal and structurally stable consumer requirements, are presented. The effect of the application of the developed conceptual model will be the optimal strategy for the use of cluster orbital groupings of remote sensing of the Earth, which will provide the required value of its effectiveness under the influence of the external environment.
UNICELLULAR PLANKTON TRANSFORMATION IN THE RIVER-BAY-RESERVOIR SYSTEM IN THE INITIAL PHASE OF CYANOBACTERIAL BLOOM
Authors:   Samara Federal Research Center RAS, Umanskaya M.V. , Bykova S.V. ,   Samara Federal Research Center RAS, Gorbunov M.Yu. ,   Samara Federal Research Center RAS, Krasnova E.S. ,   Samara Federal Research Center RAS, Tarasova N.G. ,   Samara Federal Research Center RAS
Published: December 2021

The structure and spatial distributionof unicellular plankton of the river Usa, Usinsky Bay and the adjacent section of the Kuibyshev reservoir in the initial period of cyanobacterial bloom is discussed. The greatest development of plankton was recorded in the central part of Usinsky Bay. In the river part, the basis of the total plankton biomass was formed by heterotrophic bacteria and diatoms, and in the bay and reservoir –by cyanobacteria, mainly of the genera Aphanizomenon and Anabaena. Among eukaryotes in Usinskiy Bay, chlorophytesand diatoms prevailed, and in the reservoir - diatoms and ciliates. Another feature of plankton in the bay and reservoir was the increased proportion of heterotrophic bacteria and ciliates associated with cyanobacteria. The analysis of the structural transformation of communities made it possible to distinguish two main clusters of communities, "lotic" and "letic", which differ in their structure and quantitative characteristics.
SPATIAL DISTRIBUTION OF BACTERIOBENTHOS IN THE PRIPLOTINNYREACH OF THE KUIBYSHEV RESERVOIR IN THE AUTUMN PERIOD
Authors:   Samara Federal Research Scientific Center RAS, Sherysheva N.G.
Published: December 2021

Extended studies of the spatial distribution of bacteriobenthos and its saprophytic groupin the Priplotinny Reach of the Kuibyshev reservoir in the autumn period of 2020 have been carried out for the first time. The analysis of long-term data of the abundance of bacteria from 1966 till nowadays has been made. During the 54-year period of existence of the Priplotinny Reach, the abundance of bacteriobenthoshas increased threefold.In 2020, the abundance of bacteria varied in the range of 2.47-25.59×109cells mL-1, the biomass – 0.10-2.43 μg mL-1, the abundance of saprophytic bacteria was 1.4-6.8×105 CFU/mL-1. The spatial distribution of autumn bacteriobenthos and its saprophytic group is significantly influenced by the granulometric composition of bottom sediments, the content of organic matter, and the hydrodynamic regime.The minimum abundance and biomass of bacteria were found in sands and silted sands, the maximum – in grayaleuritic and fine-aleuritic silts. The influence of the UsinskyBay on the formation of the quantitative structure of bacteriobenthos is shown – the total abundance of bacteria increases and the abundance of saprophytes decreases from the confluence of the riverUsa to the dam.Regularities of the spatial distribution of saprophytic bacteria were revealed: 1 – an increase in the abundance in sandy sediments compared to finely dispersed gray silts, 2 – a decrease in the abundance along the trans-verse profile from the coast of the left bank to the central zone and to the deep-water zone of the right bank. In the morphological structure, an increase in the proportion of cocci in the total abundance of bacteriobenthos increases in sandy sediments in coastal shallow waters, and the proportion of sticks, on the contrary, increases in fine-grained silts in deep-water zones.
COMPARATIVE ANALYSIS OF METHODS FOR ASSESSING OILY SOLID WASTE ENVIRONMENTAL HAZARD
Authors:   Samara State Technical University, Amosova A.A. , Amosov E.A. ,   Samara State Technical University, Sukhonosova A.N. ,   Samara State Technical University, Churkina A.Yu. ,   Samara State Technical University
Published: December 2021

The article is devoted to an actual problem of applied ecology – reliable determination of hazard class of oily solid waste, formation of which is significant and contributes greatly to the overall level of negative impact on the environment of oil producing and oil refining enterprises. Comparison of determination of an oily solid waste chemical composition with the results of hazard classes determination by computational and experimental methods has revealed a number of fundamental problems. Their solution requires changing scientific and methodological approaches to methods of determining environmental hazard (class of hazard) and biological activity of oily solid waste. In particular, in quantitative chemical analysis of waste it is not appropriate to determine the content of heavy metals. In biological experiments, a comprehensive approach using a wider range of test objects is necessary.
METHODS AND RESULTS OF ECOLOGICAL MONITORING OF SOME PHYSICAL POLLUTIONS OF ENVIRONMENT ON THE EXAMPLE OF THE TERRITORY OF CITY DISTRICTS OF SAMARA REGION OF RUSSIA
Authors:   «Institute of Chemistry and Engineering Ecology» Limited Liability Company, Vasilyev A.V.
Published: December 2021

The paper is devoted to the problem of ecological monitoring of physical pollutions of environment of urban territories on the example of the territory of city districts of Samara region. Methods of carrying out of researches of physical pollutions are considered. In framework of researches measurements of levels of physical pollutions were carried out: ambient dose equivalent power of gamma radiation, external sources of variable electromagnetic fields of industrial (electrical and magnetic components) and radio frequency range (electrical and magnetic components and energy low density), sound and infrasound levels (equivalent, octave and third octave). Zones of the territory of Samara region with increasing of admissible levels were determined. In total results of researches and it comparison with results of previous measurements of physical pollutions on the territory of Samara region are showing that the level of negative impact of physical pollutions is increasing.
METHOD OF LOCALIZATION OF OIL SPILLS
Authors:   Branch of Ufa State Petroleum Technological University in Sterlitamak, Daminev R.R. , Asfandiarova L.R. ,   Branch of Ufa State Petroleum Technological University in Sterlitamak, Asfandiarov R.N. ,   Branch of Ufa State Petroleum Technological University in Sterlitamak
Published: December 2021

The peculiarities of oil production and field preparation were considered, the causes of emergency oil spills were identified, the main indicators of the risk of oil spill on the external oil pipeline were calculated and the damage from the accident was estimated, sorbents used in the spill localization were analyzed, the method of eliminating emergency oil spills at the fields "Salym Petroleum Development N.V." was proposed.
ACTIVITIES OF THE PERSONNEL OF THE ENTERPRISE TO ENSURE ENVIRONMENTAL SAFETY IN TECHNOLOGICAL SYSTEMS
Authors:   Samara State Technical University, Krivova M.A. , Romantcova E.V. ,   Samara State Technical University
Published: December 2021

A model of the formation of personnel actions during the operation of equipment in production has been built. As a result, a dependence was obtained that characterizes the probability of a person committing error-free actions when operating the equipment of technological systems.
MOTIVATION OF THE COMPANY'S PERSONNEL FOR SAFE ACTIVITIES
Authors:   Samara State Technical University, Krivova М. A.
Published: December 2021

The paper considers theoretical foundations of developing a motivation mechanism. An adapted model of the well-known theories of motivation has been built. Forms of influence of the motivation mechanism on ensuring safe activity have been investigated. The structure of the motivation mechanism has been developed including the structural model, structure and content, as well as evaluation. Modern motivational mechanisms have been investigated and the corresponding system has been developed. The criteria defining the mechanism of motivation to safe activity have been defined.
Modeling the Impact of Screening on the Transmission Dynamics of Human Papillomavirus with Optimal Control
Authors: Gurmu Eshetu Dadi , Bola Boka Kumsa , Koya Purnachandra Rao
Published: December 2021

In this study, a nonlinear deterministic mathematical model of Human Papillomavirus was formulated. The model is studied qualitatively using the stability theory of differential equations. The model is analyzed qualitatively for validating the existence and stability of disease ¬free and endemic equilibrium points using a basic reproduction number that governs the disease transmission. It's observed that the model exhibits a backward bifurcation and the sensitivity analysis is performed. The optimal control problem is designed by applying Pontryagin maximum principle with three control strategies viz. prevention strategy, treatment strategy, and screening strategy. Numerical results of the optimal control model reveal that a combination of prevention, screening, and treatment is the most effective strategy to wipe out the disease in the community.
Construction of an Effective Preconditioner for the Even-odd Splitting of Cubic Spline Wavelets
Authors: Shumilov Boris M.
Published: December 2021

In this study, the method for decomposing splines of degree m and smoothness C^m-1 into a series of wavelets with zero moments is investigated. The system of linear algebraic equations connecting the coefficients of the spline expansion on the initial scale with the spline coefficients and wavelet coefficients on the embedded scale is obtained. The originality consists in the application of some preconditioner that reduces the system to a simpler band system of equations. Examples of applying the method to the cases of first-degree spline wavelets with two first zero moments and cubic spline wavelets with six first zero moments are presented. For the cubic case after splitting the system into even and odd rows, the resulting matrix acquires a seven-diagonals form with strict diagonal dominance, which makes it possible to apply an effective sweep method to its solution
ОСВІТА І ВИХОВАННЯ ДІТЕЙ РАННЬОГО ВІКУ — ПРІОРИТЕТНИЙ НАПРЯМ ОСВІТНЬОЇ ПОЛІТИКИ
Authors: Havrysh Nataliia
Published: December 2021

У доповіді освіту й виховання дітей раннього віку представлено як пріоритетний напрям освітньої політики на рівні держави в контексті фундаментального дослідження наукової установи та організації освітньо-виховного процесу в групах раннього віку закладів дошкільної освіти різних типів. Названо основні проблеми українського суспільства, пов’язані з організацією суспільного виховання та освіти дітей раннього віку, сформульовано встановлені суперечності. Висвітлено основні результати дослідно-експериментальної діяльності, в межах якої проведено зіставний аналіз особливостей освітньо-виховного процесу в міських та сільських закладів дошкільної освіти комунальної та приватної форми власності, центрах раннього розвитку та дитячих будинках. У процесі інноваційної діяльності та за її результатами розроблено й обґрунтовано середовищну модель освітньо-виховного процесу, інноваційні підходи до планування та здійснення освітньої діяльності в розвивальному середовищі. Підкреслено істотний розвивальний ефект розроблених у межах експерименту дидактичних засобів оптимізації освітньо-виховного процесу в групах раннього віку та авторських технологій розвитку дітей раннього віку. Наголошено на необхідності системної роботи з педагогами, які працюють в групах раннього віку.
Introduction of didactic principles in the “Floriculture and ornamental gardening” academic subject
Authors: Antonets M. O. , Antonets O. A.
Published: December 2021

The urgency of the topic is due to the search for new didactic principles and their introduction into the teaching of the discipline “Floriculture and ornamental gardening” at the Department of Plant Breeding PSAU. The study was conducted in 2019–2021 by the method of included observation and formative experiment among applicants for higher education 2nd year of the Faculty of Agrotechnology and Ecology, specialty 201 Agronomy. The introduction of four didactic principles, namely responsibility, patriotism, environmental and aesthetic principles, in the teaching of the discipline “Floriculture and Ornamental Horticulture” promotes the education of spiritually mature, intelligent and hard-working professionals in the agricultural sector of Ukraine.
Dynamics of the formation of a differentiation track conditioned reflex to sound stimuli of a certain duration in the gray seal Halichoerus grypus Fabricius, 1791 by the methods of operant conditioning.
Authors:   Murmansk Marine Biological Institute RAS, Berdnik A.F.
Published: December 2021

In the course of the study, a 15-year-old female gray seal was trained to press a button after displaying an audio signal for 5 seconds and ignore similar audio signals of longer or shorter duration. The conducted research has demonstrated the ability of the experimental seal to reliably differentiate sound signals with a difference in sound duration of 3 seconds. Changes in the reaction time and behavior of the seal during the demonstration of sound stimuli with distinguishable and indistinguishable time ranges are described.
Modelling of the Ob river runoff under climat change
Authors:   Murmansk Marine Biological Institute RAS, Bulavina A.S.
Published: December 2021

Modelling of the Ob river runoff under changing climatic conditions has been carried out. Three scenarios of climate change in the Ob river catchment area in 2021–2050 are proposed. It is shown that if the trends of changes in meteorological characteristics that began in the 70s of the XX century continue, or if they change synchronously, the Ob river discharge will not undergo significant directional changes.
Radionuclides in marine and terrestrial ecosystems of the North European region
Authors:   Murmansk Marine Biological Institute RAS, Valuyskaya D.A. , Ilyin G.V. ,   Murmansk Marine Biological Institute RAS
Published: December 2021

The paper presents an analysis of the radioecological state of the terrestrial ecosystems in north european part of the Russia, which were exposed to the a products of the Chernobyl accident. The analysis of the state of marine and terrestrial objects included in the food network of the population and forming the dose of internal radiation of the population of the Murmansk region is given. Comparative estimates of the effects of global radionuclide deposition in the North-European territory are given.
Virio- and bacterioplankton of the Barents Sea in the autumn
Authors:   Murmansk Marine Biological Institute RAS, Gurba A.N.
Published: December 2021

The water area of the Kola Bay is an important place for marine and near-water birds during spring-autumn migrations and wintering periods. The results of counts of wintering birds in different parts of the bay in 2020–2021 are presented. The observations were carried out on the coast areas of the bay with the adjacent water area (Gryaznaya Bay, the area of the Kola Bridge). In general, in the southern and middle parts of the Kola Bay, the most numerous species in winter were common eider Somateria mollissima,long-tailed duck Clangula hyemalis, mallard Anas platyrhynchos, and glaucous gull Larus hyperboreus. During the observations, a relatively low nymber of wintering purple sandpipers Calidris maritima was noted in comparison to previous years. The composition of the bird fauna in the Kola Bay is fairly constant during the winter. Abrupt weather changes, such as warming, cooling, or snowstorms, c ause only small movements of birds within the wintering area.
Algae of the Veresovaja Bay of the Kola Bay (Barents Sea)
Authors:   Murmansk Marine Boilogical Institute RAS, Malavenda S.V.
Published: December 2021

The species composition of macroalgae in the benthos and periphyton of the Veresovaya Bay is presented. 17 species were noted. The largest number of species is recorded in early autumn, the smallest-in winter. Macroalgae form a cover only on the left bank,accumulations of Chara algae are noted on both banks. The highest frequency of occurrence is characteristic of Rhizoclonium riparium and Cladophora rivularis. Algae of the genera Nitella, Ulothrix, Zignema and Spirogira predominate in mass.
Composition and distribution of microplankton in the Barents Sea in connection with the thermohaline structure of the pelagial
Authors:   Murmansk Marine Biological Institute RAS, Oleynik A.A.
Published: December 2021

The research is devoted to the microplankton from the southwestern part of the Barents Sea, which is under the influence of the central branch of the North Cape Current. The main patterns of distribution for individual species and general parameters of microplankton abundance in June 2019 were revealed. The key biological parameters such as the taxonomic composition of microplankton, level of total biomass and biomass of individual groups, characteristic species and species complexes were described for the water masses of the investigated area during the study.
Hydrochemical studies on the transect “Kola meridian” using the d18O isotope tracer
Authors:   Murmansk Marine Biological Institute RAS, Pastukhov I.A.
Published: December 2021

The results of hydrochemical studies at 10 stations of the transect “Kola meridian” opencast performed on the expedition NIS “Dalnye Zelentsy” in April 2019, where hydrochemical studies of phosphate phosphorus, nitrate nitrogen and silicon were performed, are presented. To analyze the data, a technique using the 18O isotope tracer was used. The measure of production and destruction of selected nutrients was determined by the author's method. Two alleged foci of phytoplankton activity were identified: areas in the region of the ice edge in the north of the section and in the waters of the Murmansk coastal course. The state of the waters in the section is defined as late spring.
Distribution of shell gastropods in the open parts of the Barents Sea: a preliminary analysis
Authors:   Murmansk Marine Biological Institute RAS, Rumiantseva Z.Yu. , Nekhaev I.O. ,   St. Petersburg State University
Published: December 2021

Species composition and distribution of shell-bearing gastropods in the Barents Sea has been described only for coastal regions. We used material from 247 stations (530 samples) remoted from the coast. In some cases, the distribution of mollusks depended on the type of substrate, and in others, only geographic location was revealed. The latter is probably due to hydrological factors or the presence of historically formed faunal complexes. The use of different approaches to the removal of uninformative samples during analysis gives similar results.
Production characteristics of settlements bivalve Mya arenaria Linne, 1758 of the Barents Sea
Authors:   Murmansk Marine Biological Institute RAS, Smolkova O.V.
Published: December 2021

The linear growth equations and production for bivalve Mya arenaria (Linne, 1758) in the intertidal zone Yarnyshnaya and Zelenetskaya bays of Barents Sea are represented. Our studies have shown that length of the shell Mya reached 26.3–62.5 mm, the highest age was 11 years. Indicators of the growth rate of mollusks from Zelenetskaya Bay are significantly higher than those of mollusks from Yarnyshnaya Bay. Linear growth is described by the Bertalanfi equations: Lt = 84.27 [1–e–0.0721 (t–0.1244)] – for mollusks from Yarnyshnaya Bay, Lt = 118.49 [1–e–0.0566 (t–0.2744)] – for mollusks from Zelenetskaya Bay. Production in the intertidal zone of the Yarnyshnaya Bay was lower (44.8 g/m2 with a biomass of 330 g/m2) than in the intertidal zone of the Zelenetskaya Bay (90.5 g/m2, with a biomass of 258 g/m2). The P/V-value is the coefficient of 0.14 and 0.35, respectively.
Peran Gender Dalam Konsep IPS Melalui Permainan Sepak Bola Bagi Perempuan (Studi Kasus Pada Peserta Didik di Kabupaten Garut)
Authors: Ai Siti Nuraeni  , Ane Rostiani  , Eldi Mulyana
Published: December 2021

Tujuan dari penelitian ini adalah untuk mengetahui peran gender dalam konsep IPS Melalui olahraga sepak bola terutama bagi kaum perempuan. Sedangkan metode yang digunakan untuk penelitian ini adalah metode kualitatif dengan pendekatan studi kasus untuk memperoleh informasi yang lebih dalam peneliti melakukan wawancara kepada narasumber mengenai pandangan mereka terhadap keterlibatan perempuan dalam olahraga sepak bola. Sedangkan teknik pengambilan data menggunakan purposive sampling dimana partisipan dalam penelitian ini dalah peserta didik SDN Pakuwon, MTs 1 Garut, dan SMA Muhammadiyah. Sedangkan lokasi yang digunakan untuk penelitian adalah Lapangan Alun-Alun Garut tepatnya Jalan Ahmad Yani No. 22, Paminggir, Kec. Garut Kota Kab. Garut, Jawa Barat. Alasan peneliti memilih tempat ini adalah karena terdapat beberapa sekolah yang dekat dengan lokasi penelitian sehingga memudahkan peneliti mengambil subjek dan melakukan wawancara. Hasil yang didapat dari penelitian di lapangan Alun-Alun Garut bahwa permainan sepak bola masih didominasi oleh laki-laki, meskipun terdapat perempuan yang menyukai olahraga tersebut. Tetapi, stereotipe tentang partisifasi perempuan dalam olahraga tersebut masih saja ada, bahkan sebaiknya keberadaan perempuan dalam permainan sepak bola dipisahkan dengan laki-laki karena perbedaan fisik dan psikologis antara keduanya.
Should aerobic and resistance training interventions for Multiple sclerosis be performed on the same day: A protocol for systematic review and network meta-analysis
Authors:   Shandong University of Traditional Chinese Medicine, Zhang Linlin , Xi Xiaoming , Liu Xihua , Qu Xinjie , Wang Qing , Cao Haihao , Wang Limin , Sun Wenyu , Chen Guoming , Liu Huifen , Jiang Xiaoyu , Su Hang , Jiang Jiahui , Bi Hongyan
Published: December 2021

Review question / Objective: P (Population) : patients diagnosed with multiple sclerosis; I (Intervention) : aerobic training and resistance training; C (Comparison) : the efficacy and safety were compared on the same day and different days; O (Outcome) : Evaluates dysfunction, quality of life, fatigue, aerobic capacity or muscle function, mood, cognition, and safety. S (Study Design) : Systematic review and Network meta-analysis. Eligibility criteria: Measures in the intervention group: aerobic training (taijiquan, Baduanjin, qigong, yoga, swimming, cycling, jogging, brisk walking, etc.) and resistance training were used simultaneously, including studies conducted on the same day and on different days. There are no restrictions on training time, frequency and intensity.Control group measures: no intervention or conventional treatment.
Music therapy for sleep quality in cancer patients with insomnia：A protocol for systematic review and meta-analysis
Authors:   Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Sun Chenbing , Wang Zhe , Dai Yuening
Published: December 2021

Review question / Objective: The aim of this systematic review is to compare music therapy in terms of efficacy in cancer patients with insomnia disorders to better inform clinical practice. Condition being studied: The effectiveness of music therapy for cancer- associate insomnia is the main interest of this systematic review. Information sources: MEDLINE (PubMed, Ovid) The Cochrane Library, Web of Science, Embase and Electronic retrieval of Chinese Biomedical Literature Database (CBM), China National Knowledge Infrastructure (CHKD-CNKI), VIP database, Wanfang Database will be searched from inception time to date. In addition, the included literature will be reviewed and relevant literature will be supplemented.