bluuebunny/crossref_metadata_2025 huggingface dataset:
A Parametric Integral Formulation to Approximate the Magneto Quasi-Static Fields of 3D Cylindrical Solenoids with Helical Winding
Authors: Zadehgol Ata
Published: May 2022

The solenoid has been used extensively in a wide range of electrical applications. In the present work, an analytical model is presented for estimating the 3-dimensional (3D) magneto quasi-static fields of the cylindrical solenoid with helix-shaped (helical) wire winding. The proposed integral formulation is based on the Schur (Hadamard) vector product of the current vector I and the helical tangent vector T, to express the magnetic vector potential A. The model is used to estimate the magnetic flux density vector B and the flux linkage Psi anywhere in 3D space, excluding the (source) regions of conducting wire. A constant scaling coefficient, based on measured terminal inductance, is proposed for calibration of the model's magnetic field. Error analysis is presented on the numerical integration, based on truncated series expansion of complete elliptic integrals in terms of Chebychev polynomials. The model may be used to estimate all three cylindrical components of the magneto quasi-static fields of solenoids as a function of core diameter, wire radius, the number of wire turns per winding layer, the number of winding layers, and the complex permeability of frequency-dependent linear material. Several numerical examples are provided to validate the helical model against the superposition of circular loops, and an idealized circuit model.
New Technique for Improving Modal Filter Performance by Using an Electromagnetic Absorber
Authors: Zhechev Yevgeniy , Alhaj Hasan Adnan , Malygin Konstantin
Published: May 2022

This paper presents a novel technique for improving the performance of a modal filter by using an electromagnetic absorber. The study considers a two-conductor modal filter based on a microstrip transmission line. The authors analyzed the effect of the absorber on the MF performance in suppressing conducted and radiated interferences (in the near and far fields). The frequency characteristics of the device were then redefined into the time characteristics in the Advanced Design System. As an excitation, the authors used an ultra-wideband interference pulse of 155 ps (at 0.5 level) and then employed N-norms to estimate and characterize the decomposed pulses. The results show that the use of the absorber can significantly improve the attenuation of the ultra-wideband interference. It was experimentally demonstrated that the value of N1 decreased by a factor of 4.31, N2 – by a factor of 6.52, N5 – by a factor of 1.87. In terms of radiated interference in the near field, the improvement in attenuation of each norm achieved at least 2.81 times. The analysis of the characteristics in the far field showed that the use of the electromagnetic absorber allows reducing the transmission coefficient on average by 2.25 times at a distance of 1 m. To validate the measurement results, the electrodynamic simulation of the modal filter characteristics in the frequency range up to 6 GHz was carried out and showed full agreement with the experimental results.
Particle-Velocity Coarray Augmentation For Direction Finding with Acoustic Vector Sensors
Authors: Shu Ting , He Jin , Truong Trieu-Kien
Published: May 2022

In this paper, the problem of passive direction finding is addressed using an acoustic vector sensor array (AVS), which may be deployed either in free space or near a reflecting boundary. Building upon the $4 \times 1$ vector field measured by an AVS, the particle-velocity coarray augmentation (PVCA) is proposed to admit the underdetermined direction finding using the spatial difference coarray derived from the vectorization of the array covariance matrix. Unlike the widely used spatial coarray Toeplitz recovery technique, the PVCA is applicable to arbitrary array geometries and imposes no reduction of the spatial difference coarray aperture. For the array located at or near a reflecting boundary, the PVCA allows resolving up to $13$ sources, while for the array located in free space, the PVCA can identify $9$ sources at most. By applying to the systematically designed nonuniform arrays, such as coprime arrays and nested arrays, the PVCA can be coupled with the spatial smoothing technique to get the number of resolvable sources multiplied. Finally, the efficacy of the PVCA is verified by numerical simulations.
FeaSel-Net: A Recursive Feature Selection Callback in Neural Networks
Authors: Fischer Felix , Birk Alexander , Frenner Karsten , Herkommer Alois
Published: May 2022

Selecting only the relevant subsets from all gathered data has never been as challenging as it is in these times of big data and sensor fusion. Multiple complementary methods have emerged for observing similar phenomena and oftentimes many of these techniques are superimposed in order to make the best possible decisions. A pathologist for example uses microscopic and spectroscopic techniques for the discrimination between healthy and cancerous tissue. Especially in the field of spectroscopy, immensely many frequencies are recorded and appropriately sized datasets are rarely acquired due to time intensive measurements and the lack of patients. In order to cope with the curse of dimensionality in machine learning, it is necessary to reduce the overhead from irrelevant or redundant features.

In this article, we propose the FeaSel algorithm, that can be embedded in conventional neural networks. It recursively prunes the input nodes after the optimizer in the neural network achieves satisfying results. The weights of nodes that do not contribute critical information for the decision making will be deleted during the pruning process. We demonstrate the performance of the feature selection algorithm on different datasets and compare it to existing feature selection methods. Our algorithm combines the advantages of neural networks' non-linear learning ability and the embedding of the feature selection algorithm into the actual classifier optimization.
Mirror, mirror on the wall, who is the most populist of them all? A comparison of League and Five Star Movement voters
Authors: Piccolino Gianluca , Scavo Andrea , Isernia Pierangelo
Published: May 2022

The article investigates the voting determinants for government partners of the first populist government in Western Europe, the first Conte cabinet. Although the Five Star Movement (FSM) and the League share a common populist root, they differ in their ideological morphology: the FSM embodies an almost pure populism with inclusionary tendencies, while the League expresses an exclusionary populism clearly anchored to the Right. The article explores how populism affects voting choices for these two parties, looking at the interconnections between the thin-centred populist ideology, other host ideologies and policy preferences. We show the importance of populism as a predictor of voting choices for these two parties, as well as marked ideological differences between the two electorates. Moreover, support for the main policies of the government has been mixed, a symptom of the poor cohesion between these two parties.
2019: the most successful year for book publishing before the COVID-19 pandemic
Authors: Onyshchuk Mykhaylo , Tatarinova Larуsa
Published: May 2022

The COVID-19 pandemic has made significant adjustments to the life of each sector of the creative industry. One of those that has been hit hard by today's crisis is the book publishing industry. The crisis continues today, and it is too early to summarize the losses and losses in this area.

The article examines some trends in the development of world book publishing in 2019 before the pandemic COVID-19, summarizes the main indicators of the publishing industry in the leading countries. Based on the analysis of reports of the National Publishers' Associations, the peculiarities of publishing development, the ratio of printed and electronic books, the role and place of audiobooks in modern conditions are highlighted.

It is proved that self-publishing today creates a strong competition to traditional book publishing and distribution, and in the conditions of technological progress it can become a threat to traditional models of publication.
Methodological council of the Book Chamber of Ukraine: pages of history and features of activity (1946—1964)
Authors: Doiar Larуsa
Published: May 2022

The presented article is devoted to the history of the unique state institution "Book Chamber of Ukraine named after Ivan Fedorov". The author considered the peculiarities of this scientific institution, in particular, analyzed the work of its methodological meetings (groups) during 1946—1964. The study was conducted on the materials of the internal departmental archive of the Book Chamber of Ukraine, namely, the first description of its documentary fund. The author has worked on archival files, which contain the minutes of meetings of methodological meetings of the institution. Since the latter have remained underused to this day (the list of inquiries in the cases involved, in fact, is empty), their content is apparently introduced into the scientific community for the first time, and therefore is a scientific novelty. In turn, the content of these archival materials contains relevant and in demand in the context of the modern work of the Book Chamber information on the full range of work carried out by the institution for the processing of printed products. The article reflects the specifics of the historical period and shows its impact on the organization of methodological activities of the Book Chamber of Ukraine. In general, on the basis of archival sources the personal structure of methodical meetings (groups), names of their chairmen, secretaries, participants of meetings is established; the dominant content of the agenda of the meetings was analyzed; The directions of development of the national bibliography in 1946—1964 are defined. In general, the conducted research allows to assert confidently that bases of modern approaches in realization of all obligatory bibliographic stages in processing of printed production, such as segmentation, classification, registration, systematization, cataloging etc., were laid in the first postwar twentieth century.
The maіn stages of development of the lіbrarіes by the relіgіous institutions in the German-speaking area from the 6th to the 20th century
Authors: Bogdanov George
Published: May 2022

An article has an interdisciplinary character and is written at the junction of the hіstory of the Middle Ages and the New Age, of the hіstory of lіbrarіanship as well of the religious studies, icluding the hіstory of the monasteries as religious buildings struсtures, which were springing up in Europe and in the german-speaking space shortly after disintegration of the Roman empire and had somewhere to the nineteenth century worked, as in the monasteries began a secularization of their property and his passing to the property of unіversities and other higher schools. The main stages on the road to the build a system of the lіbrarіes in the monasteries as the forerunner of university libraries are in outline described. By means of study of the german-speaking sources references on the history of librarianship, which were published over the last 45 years, author comes to a conclusion that the funds of all lіbrarіes in the monasteries of those days were complemented first of all source of the humanіstic and theological subjects, as well the published works about the matters in the fіeld of the natural sciences. It was among their number established keep the lіbrarіes of the monasteries as the hand-wrіtten texts as the printed matters, including the incunabula, the Gutenberg Bіble and the from the Latin translated textbooks. The article sums up of the study of the actіvity of theological librarіes that are in submit to the dioceses, bishoprics, churches and schools of the districts, fіnance direkt from the church as well must contribute to scientific researchs and to development of the specialized educatіon. In spite of numerous studies to this day are matters of further develop­ment of the special libraries in the monasteries as the components of relіgіous institutions for the confessions of all sorts very vital.
Lipid Profile and the Severity of Periodontitis among Tertiary Hospital Patients in a Semi-Urban Population in Southwestern Nigeria
Authors: O Olagundoye Olufemi , B Dosunmu Elizabeth , O Arowojolu Modupeola
Published: May 2022

The prevalence of hyperlipidemia among Nigerians is established, while the relationship between it and periodontitis has been studied globally. This study aimed to investigate the relationship between lipid profile and severity of periodontitis among Nigerians. 195 patients were drawn from the family medicine clinic of the Obafemi Awolowo University Teaching Hospital Ile-Ife Osun state Nigeria. Sociodemographic data was obtained using a closed-ended questionnaire, simplified oral hygiene index (OHI), periodontal disease index (PDI), clinical attachment loss (CAL), and periodontal pocket depth (PPD) were also estimated. A full mouth mean CAL ≥0.6mm was considered as periodontitis. Lipid profile was carried out at the chemical pathology department of the same institution by spectrophotometry. Appropriate parameters were determined for descriptive variables. A two-way t-test was done for the mean values of the intraoral and the lipid parameters. Data was exposed to logistic regression to eliminate confounders. Male to female ratio was 1:1.6 with a mean age of 37.42±12.95. High-density lipoproteins (HDL) and triglycerides have a statistically significant relationship with CAL and PPD (p<0.05). Logistic regression showed statistical significance for total cholesterol (p<0.05) in females only. Following the trend with other associated chronic diseases, HDL was higher in the periodontally healthy subjects and those with mild chronic periodontitis, while it was lower in those with moderate and severe chronic periodontitis. This relationship was inverse for low-density lipoproteins (LDL). Increase in LDL/HDL had a linear relationship with the severity of chronic periodontitis from mild to severe. This emphasises the need for oral health education in the community and regular lipid investigations.
The Effect of Online Service Quality and Perceived Risk on Purchasing decisions in Shopee through Customer Trust
Authors: Sholichah Nimas Revi , Respati Harianto , Natsir Mokhamad , Kadeni Kadeni
Published: May 2022

This research sought to examine four variables in terms of service quality, perceived risk, purchasing decision, and customer trust. It aims to examine the effect of service quality and perceived risk on purchasing decisions in Shopee through customer trust. The design of the research was quantitative, the research respondents were postgraduate students at Universitas Merdeka Malang class of 2018 and 2019 intakeswhich involved 156 active students. To take samples, the probability sampling technique and the Slovid formula tolerable error rate of 5%was obtained for 113 sample respondents. Primary data collection used a questionnaire thatwassupported by the Google Form application. For data analysis usingthe path analysis technique. Research Findings showed that the quality of service has a significant effect on customer trust, perceived risk has a significant influence on customer trust. Service quality affects purchasing decisions; customer decisions significantly affect purchasing decisions. In a brief, the four service qualities and perceived risk influence purchasing decisions through customer trust are accepted.
Disparity in Food Consumption Patterns in Banten Province
Authors: Bohari Bohari , Ansori Muhammad , Perdana Fachruddin , Abdullah Rukman
Published: May 2022

Food problems arise from a lack of food diversity, high food prices, and a food culture that does not support an adequate supply of nutrients in the household. This study aimed to analyze the disparity of food consumption patterns of the population of Banten Province based on the typology of the region and the administrative area of Banten Province. The research method was an explorative study with a retrospective study approach using secondary data, namely the National Socio-Economic Survey (Susenas) Banten Province 2017. This type of data was collected on the food consumption of the population presented in the form of a table of the average quantity of food consumption per commodity in household order units per capita / week. Data analysis was carried out quantitatively by descriptive methods. The results of the study, namely the quantity of food consumption of the population of Banten Province, showed a disparity based on regional typology where the average energy consumption of food for households in rural areas was still higher, namely 2404 Kcal compared to urban areas, which was 2338 Kcal and was dominated by food sources of grains. The average energy consumption of the population in the regency area is 2315 - 2489 kcal/capita/day while the urban area is 2294 – 2406 kcal/capita/day. The conclusion is that the districts with the highest levels of energy consumption and adequacy are found in Lebak and Pandeglang districts but have the lowest PPH scores compared to other districts.
AN ANALYSIS OF STUDENTS’ PROBLEM IN TRANSLATING NARRATIVE TEXT IN IAIN LHOKSEUMAWE
Authors: Hasibuan Zainuddin Zainuddin
Published: May 2022

ABSTRACT

Research purpose is to find out students’ problem in translating English narrative text. This research used descriptive qualitative approach and research design as a case study. Research result  were the writer found that the students had many problems in translating  narrative text. Their problem were in the form of understanding meaning such as: lexical meaning, grammatical meaning, contextual meaning, textual meaning, and socio – cultural meaning. The most problem owned by students it was  about lexical meaning because they had lack of vocabulary and they did not have a rellevant dictioanary that they would use when they translated  narrative text into Indonesian language as  target of language. The students  had difficulties in understanding about English structure that different with Indonesian structure as target of language when they did translating of  text, so, the students got confused to organize meaning. The students also had any obstacle with English pattern that was different with Indonesian pattern, when they translated, they were confused because they should change word position. Additionallay, they translated the narrative text words by words based on position of words that was appeared in  target of  language. It was also influenced by internal and external factors.
USING SHADOWING TECHNIQUE TO IMPROVE STUDENTS’ ABILITY IN LISTENING COMPREHENSION
Authors: Lestari Febrika Dwi
Published: May 2022

This study was aimed to observe the use of Shadowing technique to improve students’ ability in listening comprehension. This research was conducted by using classroom action research which is consist of two cycles. The sample of the research was one group out of four groups of the first semester students’ of English Department of Nommensen KHBP university which was selected by using random sampling technique. Listening test, observation sheets and diary notes were employed to collect the data. Quantitatively, it showed that there were an improvement of listening ability from the students since the first up to the last treatments. The result showed that in the first treatment there is no students who got the point up to 75. But it increased to 37.5% in the end of the second treatment and 94.28% in the end of the last treatment. Qualitatively, the result showed that the students felt better, easier, and interesting to learn listening that leading to the acquirement of more successful listening comprehension skill. Therefore, shadowing technique could be used to improve students’ ability in listening comprehension. 

Keywords: Listening comprehension, shadowing technique
Impacts and Effective Communication on Generation Z in Industrial Revolution 4.0 Era
Authors: AJMAIN TALHAH
Published: May 2022

Generation Z (Gen Z), those who were born between the mid-1990s until mid-2000s are closely related to the emerging Indistrial Revolution 4.0 (IR 4.0) era. Both positive and negative impacts towards the social development and communication of Gen Z are apparent. The purpose of this study is to descibe the influence of technology on Gen Z and to discuss the effective means of communication when interacting with this group of people. A systematic review and documentational analysis approach is adopted. The outcome of this study indicated that advancement in technology has hugely affected the social communication skills of Gen Z. It is suggested that the means of approaching this generation requires comprehending their way of thinking, communicating with them in their “tech-language”, and to always be updated with the advancement of information technology (IT), thus ensuring relevance to be in their environment. All these requires groundwork efforts to have direct interaction with them according to the ways of Gen Z.
EFL Students in Speaking Skill: Identifying English Education Students’ Perceptions of the Psychological Problems in Speaking
Authors: Riadil Ikrar Genidal
Published: May 2022

This research focuses on students' English speaking problems, and this research aims to find out the most dominant problem of speaking in English as a Foreign Language (EFL) situation faced by the students of English Departement at Tidar University. The research method used in this research is the qualitative method. The writer uses a questionnaire as a tool for data collection. From the questionnaire, the problems that most dominant faced by the English education students of the English Department at Tidar University is Linguistic problems. Linguistic problems include less grammar, lack of vocabulary, and poor pronunciation. The next is psychological problems include, including lack of self-confidence, anxiety, and shyness. Meanwhile, instructor related problems did not have much effect on speaking problems for the students. In conclusion, Linguistic problems are the most dominant problem faced by the English education students of the English Department at Tidar University.
The effect of exposome factors on the functions of filaggrin functions in atopic dermatitis
Authors: Macharadze Dali Sh.
Published: May 2022

Atopic dermatitis is a heterogeneous inflammatory skin disease, which is affected by many internal (genetic) and external factors. The interaction between genetic and environmental factors is a complex dynamic process. These factors affect each other and can be interrelated.
This article discusses data on filaggrin and some exposome factors affecting it.
The term exposome refers to the impact of external factors on the biological environment of the body. The impact range is varied and includes chemicals, psychosocial and physical factors, as well as associated biological reactions that occur throughout human life.
The article examines the link between filaggrin mutations and genetic predisposition, as well as how the defects of the skin barrier, immunological imbalance, and a variety of stimuli have a potential impact. The mechanisms of action of various factors on filaggrin in atopic dermatitis are also considered. Furthermore, environmental factors can influence the expression of various genes and, as a result, create epigenetic changes in patients with atopic dermatitis.
The study of epigenetic changes is critical for understanding the molecular bases of this skin disease and optimizing treatment strategies.
Coherent experiment in the lyrics of Dmitry Bykov: reception experience
Authors: Bezrukov Andrei N.
Published: May 2022

Modern lyrics in the unfolding of the main names are many-sided and diverse. The main guidelines of this literary form are aimed at aesthetically overcoming the dialogue with the indisputable classics, however, a number of authors create an oppositional version, form a new, alternative view of reality. The lyrics of Igor Guberman, Vladimir Stepanov, Igor Irtenyev, Olga Sedakova, Denis Osokin, Vera Pavlova, Dmitry Bykov look original, in their own way, in the mode of transformation of meanings. The lyrical narrative of these authors becomes the sphere of reduplications. In addition to the meaning, which tends to the transcendent canvas, there is also an internal highway, focused on a more subtle manifestation of the author's position. Contrasting from the presented series of poets is the name of Dmitry Bykov, who raises acute social issues, oppositional puts the extremes of the present. The methodology of text analysis in this work correlates with the principles of empirical evaluation, receptive aesthetics. Released in 2021, Dmitry Bykov's collection Draw. 20:20 becomes the literary base of the article. It seems that D. Bykov creates a kind of coherent experiment in this collection, because most of the forms are response to modern events, an oppositional word, supposed dialogue / contact, created conceivable perspective, spiritual rebirth, real story. It seems that the formal component of Dmitry Bykov's lyrics does not obscure the semantic parallelism. On the contrary, the poet's voice sounds indifferent, passionate, holistic, convergent. The material can be useful in the study of the literary process of the early twentieth century, the latest poetry, the work of Dmitry Bykov. The objective component of the work is aimed at determining a number of aesthetic, ideological, literary preferences of the specified author. Thus, the article is an attempt to verify the artistic markers of modernity, to combine them with the unchanging sphere of classical lyrics.
Manipulation of human consciousness in the information and communication space in V. Pelevin's novel “Helmet of horror: Creatifff about Theseus and the Minotaur”
Authors: Bryzgalova Veronika V.
Published: May 2022

In the domestic culture of the beginning of the 21st century, the crisis of value attitudes of a modern person, whose consciousness is subject to manipulation, has aggravated. The phenomenon of manipulation of consciousness has its own history, but it gained particular strength in the 20th century, when the media, art, and advertising became the main conductors of power. And by the beginning of the 21st century, the information and communication space becomes the main tool for manipulating human consciousness. The flourishing of technologies and forms of manipulation of consciousness in the virtual space becomes the leading theme of V. Pelevin's novel The Helmet of Horror: Creatiff about Theseus and the Minotaur (hereinafter: The Helmet of Horror). In this article, the novel is interpreted through a comparison with the technology of manipulation. Such an approach to interpreting the author's intention of the novel helps to reveal the features of the phenomenon of manipulation of consciousness in the history and national culture of the early 21st century, to trace the reflection of manipulation technology in the text of the novel, to analyze the signs and methods of manipulation that the author describes. V. Pelevin exposes the technology of manipulation of human consciousness, which encourages him to make a choice that is beneficial for the authorities. The manipulative technologies described in the novel displace traditional human values. The author not only reflects this socio-cultural problem of the early 21st century, but also poses the moral problem of preserving a person's own identity and freedom of choice in the context of the total impact of information and communication technologies on an individual and society as a whole. The novel by V. Pelevin The Helmet of Horror is relevant, it causes endless debate: is there a future for the generation that is trying to find a way out of the Labyrinth of the modern crisis era.
O comum e o público no avanço de fronteiras territoriais: controvérsias entre territorialidade quilombola e estruturas logísticas no Maranhão
Authors: Brustolin Cíndia , Da Silva Santos Dayanne
Published: May 2022

This analysis of territorial border expansion resulting from the installation of logistics structures to ship commodities in the Santa Rosa dos Pretos quilombo community highlights notions of public and common, moving between discursive spaces that institutionalize truths and places for affirming principles generated from local practices. We pay attention to enunciative possibilities within ontological disputes in an effort that may help reverse hierarchical divisions in these discussions, in these spaces for discourse, while also critically analyzing the use of violence.elocation-id: e2230113Received: 11.15.2021   •   Accepted: 04.06.2022   •   Published: 05.20.2022Original article  /  Blind peer review  /  Open access
To the mathematical model of the process of contact heating of seeds in vacuum
Authors: Shvydia V. O.
Published: May 2022

Annotation
Purpose. To increase the degree of adequacy of the mathematical model of contact heating of seeds in a vacuum due to the refinement of the overall coefficient of thermal conductivity.
Methods. The study of the mathematical model of the process of contact heating of seeds in vacuum was carried out using the methods of optical physics, planimetry, thermal physics. Mathematical dependencies were developed using algebraic transformations. The analysis of the obtained mathematical dependencies was carried out by the methods of technical analysis and graphic-analytical methods by comparing the graphs of the seed heating kinetics.
Results. The total heat flow in the vacuum chamber, which exits the heating surface and is divided into two flows, has been studied, one of them transfers heat due to heat conduction through the touch of seeds with a heating surface and between themselves, and the second transfers heat through radiation in the cavities between the seeds. Calculation formulas for these heat fluxes have been developed, through which the formula for calculating the total thermal conductivity coefficient has been determined. This formula shows that the overall thermal conductivity is less than the theoretical value and depends on the equivalent seed diameter and seed characteristics.
Conclusions. It has been established that the total thermal conductivity coefficient of seeds is less than the theoretical one due to voids between seeds, in which the heat of less heated layers propagates through radiation. The loss of thermal energy in the voids between the seeds increase the duration of the heating process and depend on the equivalent diameter of the seeds, the degree of blackness and the difference between the initial temperatures of the seeds and the heating surface.
Keywords: seeds, contact heating, seed temperature, thermal conductivity, radiation, heat flux, heating surface, equivalent diameter, space between seeds.
Justification of the technological scheme of a rotary root potato harvester
Authors: Hrushetskiy S. M. , Stepanenko S. P. , Lysanyuk V. G. V. G.
Published: May 2022

Annotation
Purpose. Systematization and generalization of research on modern technologies of growing and harvesting potatoes and creating a new design of a rotary root-harvesting machine.
Methods. In the process of research, general research methods were used (observation, comparison, analysis, method of expert assessments, patent search).
Results. The expediency of using a rotary root-harvesting machine, which reduces soil supply and improves the separation of tubers from the soil with rubberized fingers, separation of tubers, which reduces their mechanical damage, provides better storage of potatoes, and reduces the number of separators and increases unit productivity.
Conclusions
1. The rational layout scheme of the proposed toothed discs with cutting edges of ground hooks and the cylindroid shape of the plowshare of the root-cart harvester is determined, as a result of which the potato pile feeding to the rotary and bar separating device is reduced, providing the possibility of crushing the layer and separation of tubers from the ground by rubberized fingers of the rotor.
2. It is established that under the conditions of ensuring quality separation indicators on the rotary soil separator with rubber rotor fingers, the increase of operational productivity, technological reliability of the rotary root-harvesting machine and reduction of its traction resistance are achieved.
3. Rotary root-harvesting machine can be used for digging potatoes, table beets, onions, turnips and other spherical root-tubers.
Keywords: potatoes, potato harvesting equipment, technology, digging working body, ploughshare, toothed disk, rotor, separation.
To the method of research of the process of division of rhizomes of miscanthus into parts and rhizomes with sieving of the soil
Authors: Pogorilyy S. P. , Prysyazhnyi V. G. , Каsprovich І. К.
Published: May 2022

Annotation
Purpose. Substantiation of structural and kinematic parameters of adapter components for division of miscanthus rhizomes into parts and rhizomes with soil sieving.
Methods. Experimental studies of the process of separating miscanthus rhizomes into parts and rhizomes by adapter components with a change in the drum rotation frequency, length of variable digits of the drum, followed by processing the results on a PC.
Results. The method of experimental research of the process of division of miscanthus rhizomes into parts and rhizomes is developed, the factors influencing the degree of division of miscanthus rhizomes into parts and rhizomes and intensity of soil sifting are determined, the plan-matrix of experimental researches is made.
Conclusions
1. The factors influencing the degree of division of miscanthus rhizomes into parts and rhizomes and the intensity of soil sifting are determined.
2. A method for conducting experimental studies of the process of division of miscanthus rhizomes into parts and rhizomes has been developed.
Keywords: research methods, division of rhizomes, parts, rhizomes, sifting of soil.
Prospects for technical and technological support of milk production based on smart technologies
Authors: Tkach V. V. , Fenenko A. I. A. I. , Afanasiev I. A.
Published: May 2022

Annotation
Purpose. To generalize the world experience of milk production technical and technological support in the context prospects for use smart technologies.
Methods. The method of information-logical analysis of domestic and foreign scientific and technical information sources on the current state of technical and technological milk production support is applied.
Results. The components of technical and technological support are systematized and the structure of the conceptual model of the biotechnical system of milk production on the basis of smart technologies is developed. It is noted about the creation of a domestic milk meter based on a capacitive flow sensor, developed a layout scheme of automatic system for individual milk yield accounting on the basis of domestic equipment for machine milking. The results of industrial inspection of the adaptive milking machine on the basis of the portion test of milk of weight type are given.
Conclusions. The world experience of technical and technological support is generalized and the structure of the conceptual model of biotechnical system of milk production is developed, which allows to achieve realization of genetic potential of cow productivity at minimum and sufficient levels of capital investments and operating costs. Automatic means of determining the intensity of milk flow have been developed, which can become a universal basis for domestic adaptive milking machines and smart control systems for dairy farms technological processes.
Keywords: automation of milking, adaptive milking machine, biotechnical milk production system, milk flow sensor, machine milking, individual milk accounting.
The expediency of using multi-powerful agricultural machine-tractor units
Authors: Tretyak V. M. V. M. , Govorov O. F. , Pogorilyy S. P. , Grynenko O. A. , Oliadnichuk R. V. , Matskevich Yu. M.
Published: May 2022

Annotation
Purpose. Substantiation of expediency of use of several power plants as a part of agricultural machine-tractor unit.
Methods. Statistical analysis of the pricing policy of tractor manufacturers on the basis of literature sources. Analysis of the use of several power plants in existing traction vehicles. Analysis of decisions on the layout of running systems of agricultural technological modules for work as part of a machine-tractor unit.
Results. Based on the analysis of energy systems that have several power sources with different characteristics, the feasibility of their implementation in multi-energy agricultural machinery and tractors is justified.
Conclusions
1. Comparative analysis of world prices of agricultural tractors and engines for them, showed a significant difference in cost with increasing capacity.
2. The maximum quality of the technological operation performed by the agricultural machine is carried out at a given technological speed, which can be provided by propulsion systems driven by a cheap autonomous power plant through a matching reducer.
3. The introduction of the traction and energy concept of machine-tractor units will reduce their total cost, metal content, harmful effects on soil compaction and fuel consumption.
Keywords: multi-energy machine-tractor units, power plants, engines, technological operations, engines.
Principles of choosing natural renewable energy sources for farm conditions
Authors: Myronenko V. G. , Veremeychyk N. V. , Tyutyunnik N. V.
Published: May 2022

Annotation
Purpose. Improving the efficiency of agricultural production and reducing its negative impact on the environment through the use of natural renewable energy sources.
Methods. Methods of system analysis and design of technical systems.
Results. Principles of building an autonomous system of electricity supply of farms on the basis of natural renewable energy sources. The general structure of the system of autonomous energy supply of agricultural production.
Conclusions
1. Over the next 30 years, Ukraine should completely switch to renewable energy, increasing its production by more than 10 times.
2. Under the conditions of Ukraine, the basic natural source of energy when creating autonomous systems of electrical supply of agricultural facilities should take solar energy.
3. In the structure of autonomous power supply systems of farms, it is necessary to provide energy storage facilities and equipment for the use of excess energy at certain periods of the year.
Keywords: agricultural production, renewable energy, reliability, efficiency.
System and technology of automated cleaning and maintenance of the required air quality in objects with accumulation of living beings
Authors: Dovbnenko O. F. , Danyk Y. G. Y. G. , Fenenko A. I.
Published: May 2022

Annotation
Purpose. Development of an energy efficient system and technology for automated cleaning and maintenance of the required air quality in the premises of objects for various purposes with controlled microclimate parameters.
Methods. Methods of analysis, synthesis, mathematical modeling and engineering calculations are used.
Results. The peculiarities of automated cleaning and maintenance of the required air quality in objects with accumulation of living beings are analyzed. The structure of the system and the technology of automated purification and maintenance of the required air quality in objects with accumulation of living beings have been developed, which will provide automatic control of air parameters and control of means of purification and maintenance of the required air quality. The composition and features of software and hardware are substantiated, the method of engineering calculation is developed and the technical parameters of the control system of means of cleaning and maintenance of necessary air quality are defined.
Conclusions. The proposed system and technology of automated cleaning, ensuring and maintaining a given air quality, make it possible to apply them to large facilities without loss of efficiency, to reduce the cost of the number of units of equipment. Advanced tools have the necessary resistance to aggressive environments, and maintain constant efficiency of the device due to special automatic cleaning of its elements from harmful formations formed during its operation and their disposal provide efficiency and quality of cleaning and disinfection of air up to 97% without increasing power and energy consumption of the system.
Keywords: air quality, automated control system, recirculator, ultraviolet, bactericidal, ozone, air purification, disinfection, microclimate.
"Ethnic Minority Tourism" and "Indigenous Tourism": The Critical Distinction
Authors: Zhou Jianhong , Edelheim Johan R.
Published: May 2022

There is confusion between the use of "ethnic minority tourism" and "Indigenous tourism" as concepts, both in practice as well as in tourism research. Since different tourism types occur in different communities in different geo-historical contexts, these two tourism concepts should
be understood to be situated in a particular context. In order to enhance peoples' epistemological understanding of the two kinds of tourism phenomenon, this article aims to critically distinguish the concept of "ethnic minority tourism" and "Indigenous tourism" by highlighting commonalities
and differences. The paradigm of critical realism, and a critical literature review method, are applied in this article. Commonly abstracted as types of "ethnic tourism," both "ethnic minority tourism" and "Indigenous tourism" can be understood as a form of interethnic interaction, a way of
reconciliation and a model of community-based tourism that should emphasize local peoples' indigeneity in tourism. Differences of these two tourism types mainly exist in different official identities of local peoples. "Ethnic minority people" and "Indigenous People," as two different social
identities, lead to different roles of local peoples in tourism practices and contribute to these two tourism types at different stages. For example, the understanding of Indigenous tourism has changed from "tourist-based economy" to "Indigenous-based tourism" based on the practice of Indigenous
control in tourism. While ethnic minority tourism is still in the stage of "tourist-based economy," and current understandings are also at this stage. In addition, the sensitivity of the relationship between hosts and guests is different because of the colonial and intrusive experience emphasized
in Indigenous identity that can make non-Indigenous tourists feel shame or guilt in a settler state.
Lineamientos metodológicos para la enseñanza por proyectos en contextos educativos rurales
Authors: Hoyos Torres Jaiver Manuel
Published: May 2022

La educación rural plantea múltiples retos educativos de acuerdo a sus características contextuales y los recursos con los que se cuenta en dicha zona, esto implica que el docente recurra a múltiples estrategias para propiciar una enseñanza de calidad y contextualizada. En esta tarea el aprendizaje por proyectos se convierte en una posibilidad para dinamizar el ejercicio docente y cumplir con la tarea de educar integralmente a los estudiantes respondiendo a las exigencias del mundo actualizado y las necesidades del contexto rural. Por tanto, el presente artículo muestra los resultados de la investigación que tiene como objetivo establecer unos lineamientos metodológicos para la enseñanza por proyectos en contextos educativos rurales del municipio de Montelibano-Córdoba. Para esto, se fundamentó en un paradigma interpretativo y un tipo de investigación mixta, aplicando como técnicas de recolección de información la entrevista semiestructura, la encuesta y el análisis documental. Se obtuvo como resultado que la enseñanza por proyectos implica considerar la situación problema que se solucionará y el rol que cumplirá cada uno de los estudiantes involucrados en el proyecto, además de los beneficios que brinda el desarrollo del proyecto. Se concluyó que los proyectos formativos tienen el objeto de optimizar los procesos de aprendizaje desde el punto de vista individual y grupal, partiendo de la interrelación entre los contenidos temáticos contenidos en el currículo académico y la resolución de problemas presentes en la cotidianeidad de los entornos en los que se desenvuelven los estudiantes.
síndrome de burnout en el personal de salud asociado a la pandemia Covid-19
Authors: Ayala Adrián , Campos Mariela , Fong Jennifer
Published: May 2022

El Síndrome de Burnout, también conocido como síndrome de desgaste ocupacional o profesional, es un padecimiento que se produce como respuesta a presiones prolongadas que una persona sufre ante factores estresantes, emocionales e interpersonales relacionados con el trabajo. La definición de síndrome de burnout más consolidada es la de Maslach y Jackson (1981) quienes consideran que es una respuesta inadecuada a un estrés crónico y que se caracteriza por tres dimensiones: cansancio o agotamiento emocional, despersonalización o deshumanización y falta o disminución de realización personal en el trabajo. El Objetivo de esta investigación es determinar las causas del aumento del síndrome de burnout en el personal de salud durante la Pandemia Mundial Covid-19, ya que probablemente están directamente relacionados con la organización, la estructura del trabajo y la capacidad de afrontamiento y gestión de los factores estresantes en el trabajo.
Perceptions of dental students’ regarding anatomy learning and assessment in integrated curriculum adopted by Shaheed Zulfiqar Ali Bhutto Medical University, Pakistan
Authors: Muazam Shazia , Anbreen Aziz  , Maryam Shan  , Shazia Imran  , Hina Kundi  , Resham Hafeez
Published: May 2022

BACKGROUND & OBJECTIVE: The integrated curriculum adopted by the university effects the learning process of dental students. They prefer selective study of specific objectives rather than developing a deeper understanding of anatomy. Thus, students’ perceptions would be helpful in improving curriculum delivery, at university level, for beneficial future clinical roles.

METHODOLOGY: A qualitative exploratory study in a dental college affiliated with regional medical university spread over three months.   Second year BDS class (50 students) was purposively chosen excluding first year students. Fifteen item questionnaire was developed and distributed via Google form  followed by inductive analysis.

RESULTS:  Forty-eight students (96%) responded. Seven themes and eighteen subthemes emerged. Three themes expressed students’ preference for group study, small group discussion and visual learning style. Content of anatomy was suggested to be divided in two years by few. In theme “Anatomy assessment weightage” majority consented on same number of multiple-choice questions of anatomy as other subjects as all found it difficult to prepare it in one day with other subjects. Most of them considered such anatomy assessment weightage to have a positive impact on their future practitioner role.

CONCLUSION: Dental students are satisfied with the content of anatomy in each block. Main concern raised is misalignment between anatomy assessment weightage and its delivered content. This drives students to do selective anatomy study in each block. This concern should be considered by university in redesigning future curriculum to equip students with necessary knowledge of anatomy required by dentists in their future roles.