bluuebunny/crossref_metadata_2025 huggingface dataset:
PROTOTIPE SISTEM OTOMATIS LAMPU ULTRAVIOLET-B PADA KANDANG BURUNG DENGAN SENSOR SUHU BERBASIS MIKROKONTROLER ARDUINO
Authors: Windyasari Vina Septiana , Candra M. Andika
Published: November 2021

Today's technological developments are not only limited to entrepreneurs, students, communities, but also to farmers. Phenomena that often occur especially in poultry farmers include problems with the temperature in closed rooms that certainly change so as to affect the growth and survival of birds, and weather that is too cold or hot can affect comfort in birds, so as to help and enrich the development of technology-based microcontrolle, in this design using microcontrolroller Arduino Uno, in this study designed a prototype that is the design of automatic setting of Ultraviolet-B lamps with temperature sensor DHT11 that can be applied to closed aviary especially for chirping birds, and such as the use of heating lamps in closed aviary is using Ultraviolet-B lamps as a substitute for sunlight that is beneficial for living needs as well as the growth process of birdsong to get a fairly warm irradiation, helping bird farmers who can be adjusted or programmed to the required temperature , in this design using the model prototype system development method, the trial was carried out by controlling incoming light so that it affects the temperature of the drum that produces the detection of DHT11 temperature sensor automatically ultraviolet-B lamp can light with the provisions of temperature <29.50°C and lights off at a temperature of ≥32°C that can be displayed on the LCD layer, so it can help to control the temperature and lights automatically.

Keywords: Microcontrolle, Arduino Uno, Ultraviolet-B Lamp, DHT11 Temperature Sensor
Gäwula: The Invention of a Hybrid Drum in Sri Lanka
Authors: Peiris Eshantha
Published: November 2021

In the late 1990s, the Sri Lankan drummer Piyasara Shilpadhipathi invented a new drum that he
named ‘gäwula’ The gäwula was conceived of as a hybrid between two traditional Sri Lankan
drums, namely the double-conical-shaped gäṭa beraya and the barrel-shaped dawula, which are
associated with two different regional ritual traditions. A double-headed drum that is tied around
the drummer’s waist, the gäwula features the timbres of the gäṭa beraya on one drumhead and
those of the dawula on the other drumhead. As prescribed by the drum’s inventor, the gäwula
can be played either with two bare heads or with one bare hand and a stick in the other hand,
similar to the dawula. Shilpadhipathi also composed a vocabulary of drum-patterns that can be
played on the gäwula and created a systematic method for learning to play it.
This article discusses the production of the gäwula, the ideologies behind its invention, and the
contexts within which it has been practised and performed. Using the history of the gäwula as a
case study, this paper explores how cultural discourses and individual agency can influence the
invention of new musical instruments.
Analysis of Chemical Components and Antibacterial Activity in Essential Oil of Lantana Flowers (Lantana Camara L)
Authors: Sembiring Yulia Shara , Zuhra Cut Fatimah
Published: November 2021

The purpose of this study was to evaluate the essential oil composition as well as antibacterial activities of essential oil of Lantana camara L flowers against four bacterial strains. Essential oil of Lantana camara L flowers was obtained by hydrodistillation method using Sthal and analyzed by GC-MS. The antibacterial activities of essential oil were tested by using disk diffusion method against four bacterial strains. Results showed  72 compounds for Lantana flowers essential oil, of which caryophyllene   (10,87%),   davanone   (9.84%),   a-humulene   (7.59%),   a-curcumene (3.35%), germacrene D (3.09%), calarene (2.42%), a-muurolene (2.27%), p-cymene (1.79%), 1,8 cineole (1.59%) , δ-cadinene (1.59%), a-copaene (1.12%), nerolidol B (1%) and ß-ocimene (0.54%) were detected as major components. Antibacterial activity assay of Lantana camara L flowers essential oil was examined against four bacterial strains including Gram (+and-) by using disk diffusion agar method. All the tested Gram (+and-) bacterial strains displayed slight to moderate antibacterial activity (7 – 10 mm) against all concentrations of essential oil. The essential oil of Lantana camara L flowers showed remarkable antibacterial activity with inhibition in concentrations of 10% and 20% against the phatogen bacterias Basillus subtilis (9.6 mm; 10.8 mm), Propionibacterium acnes ( 7.6 mm; 8.7 mm), Eschechia coli ( 8.4 mm ; 9.6 mm) and Pseudomonas aeruginosa ( 8.3 mm ; 9.3 mm) showed from zone of inhibition that was formed, zone of inhibition in concentration 20% was bigger than concentration 10%.
Improve The Logical Reasoning Ability of Primary School Students by Using Video Learning Assistant Teaching
Authors: Huang Zhouli , Zhou Ying , Wijaya Tommy Tanu , Yan Ke
Published: November 2021

Under the current situation of epidemic prevention and control, to ensure the continuous progress of student learning, Chinese Ministry of Education put forward the initiative of "suspension of classes without suspension of school". Primary and secondary schools have adopted online learning at home for students to "open schools in the cloud. There is a big difference between online learning and classroom learning. In this process, problems such as increased teaching burden of teachers, lack of interaction between teachers and students, and students' lack of active learning are also exposed. Video learning are a new type of teaching resource. It can improve the efficiency of primary school mathematics teaching by using video learning reasonably. Based on the above analysis, the purpose of this research is to investigate the development of primary school students' logical reasoning ability through the use of video leanings for auxiliary teaching. The research method adopts the experimental method and is divided into the experimental class and control class. The subjects of the study were 72 students from a primary school in Indonesia. Experimental results show that video learning for auxiliary teaching can effectively develop students' logical reasoning ability.
Misinformation and the Mindsponge mechanism of trust
Authors: Le Tam-Tri , Nguyen Minh-Hoang , Vuong Quan-Hoang
Published: November 2021

Misinformation is a serious issue, especially during the COVID-19 global health crisis. In this digital era, people are expected to process a huge amount of information every day. Based on the Mindsponge framework information processing, we explore the role of trust as a facilitator within the information filtering process, a natural energy-saving mechanism of how the human mind works. This mechanism can help explain how modern humans are prone to misinformation.
A Generic Deep Learning Based Cough Analysis System from Clinically Validated Samples for Point-of-Need Covid-19 Test and Severity Levels
Authors: Andreu-Perez Javier , Perez-Espinosa Humberto , Timonet Eva , Kiani Mehrin , Manuel I. Girón-Pérez  , Benitez Alma
Published: November 2021

We seek to evaluate the detection performance of a rapid primary screening tool of Covid-19 solely based on the cough sound from 8,380 clinically validated samples with laboratory molecular-test (2,339 Covid-19 positive and 6,041 Covid-19 negative). Samples were clinically labelled according to the results and severity based on quantitative RT-PCR (qRT-PCR) analysis, cycle threshold and lymphocytes count from the patients. Our proposed generic method is a algorithm based on Empirical Mode Decomposition (EMD) with subsequent classification based on a tensor of audio features and deep artificial neural network classifier with convolutional layers called DeepCough'. Two different versions of DeepCough based on the number of tensor dimensions, i.e. DeepCough2D and DeepCough3D, have been investigated. These methods have been deployed in a multi-platform proof-of-concept Web App CoughDetect to administer this test anonymously. Covid-19 recognition results rates achieved a promising AUC (Area Under Curve) of 98.800.83%, sensitivity of 96.431.85%, and specificity of 96.201.74%, and 81.08%5.05% AUC for the recognition of three severity levels. Our proposed web tool and underpinning algorithm for the robust, fast, point-of-need identification of Covid-19 facilitates the rapid detection of the infection. We believe that it has the potential to significantly hamper the Covid-19 pandemic across the world.
Analytical 1D transfer functions for layered soils
Authors: Garcia-Suarez Joaquin , Asimaki Domniki
Published: November 2021

Transfer functions are constantly used in both Seismology and Geotechnical Earthquake Engineering to relate seismic displacement at different depths within strata. In the context of Diffusive Theory, they also appear in the expression of the imaginary part of 1D Green's functions. In spite of its remarkable importance, their mathematical structure is not fully understood yet, except in the simplest cases of two or three layers at most. This incomplete understanding, in particular as to the effect of increasing number of layers, hinders progress in some areas, as researchers have to resort to expensive and less conclusive numerical parametric studies. This text presents the general form of transfer functions for any number of layers, overcoming the above issues. Owing to the formal connection between seismic wave propagation and other phenomena that, in essence, represent different instances of wave propagation in a linear-elastic medium, one can extend the results derived elsewhere [Garcia-Suarez, Joaquin. 2021. “Trace Spectrum of 1D Transfer Matrices for Wave Propagation in Layered Media.” engrXiv. June 24. doi:10.31224/osf.io/ygt8z] in the context of longitudinal wave propagation in modular rods to seismic response of stratified sites. The knowledge of the general closed-form expression of the transfer functions allows to analytically characterize the long-wavelength asymptotics of the horizontal-to-vertical spectral ratio for any number of layers.
Machine Learning in Mental Health: Recognizing the Symptoms of Depressive and Anxiety Disorders
Authors: Troitskaya Olga , Zakharov Andrey
Published: November 2021

Machine learning technologies can be used to extract important information about mental health of individuals from unstructured texts, including social media posts and transcriptions of counselling sessions. So far machines have been trained to detect the presence of mental disorder, but they still need to learn to recognize individual symptoms in order to make a valid diagnosis. This study presents an attempt to train a machine learning model to recognize individual symptoms of anxiety and depressive disorders. We collected 1065 posts about depression and anxiety from online psychological forums; divided messages into 7149 replicas and classified each replica according to the DSM-5 criteria. We found that users mention emotional symptoms far more often than physical ones. An imbalanced dataset did not allow us to recognize the full spectrum of symptoms with sufficient accuracy. A two-stage model was developed: at the first stage the model recognized large classes of depression, anxiety or irritability. At the second stage it recognized sub-classes of symptoms, such as depressed mood, suicidal intent and negative self-talk within the depression class; and excessive worry and social anxiety within the anxiety class. The research has demonstrated the potential possibility of extracting symptoms of mental disorders from unstructured data on a larger dataset.
There's No 'I' in Teams
Authors: Botcherby Pierre
Published: November 2021

This short reflection is about community-building in the classroom. It draws on personal experiences of Microsoft Teams from the last twelve months or so, and makes some suggestions for why community-building doesn’t always work as well as desired. I don’t propose hard-and-fast rules or specific ‘do’s’ and ‘dont’s’ but, hopefully, some light food-for-thought and reassurance for tutors who’ve been suffering connection issues whilst teaching online.
Epidemie i choroby w doniesieniach polskiej prasy rękopiśmiennej z drugiej połowy XVIII w.
Authors: Kucharski Adam
Published: November 2021

The advancement of medical knowledge in Europe and Poland of the Enlightenment did not completely eliminate the recurring epidemics of infectious diseases. The plague, which gave way from Western Europe to reappear on Polish soil several times in the second half of the 18th century. The study is devoted to the problem of presenting epidemics and diseases to the public, or rather to the process of informing the public about them, also about other human diseases, such as typhus or smallpox, but also mental ailments in the so-called written newspapers, edited cyclically for specific recipients. It was a characteristic information medium that existed alongside the titles of the printed press. For this reason, apart from the analysis of the dominant narrative of the handwritten press, reference was also made to reports of its printed counterpart during the great plague epidemic of the early 1770s. The newspaper information concerned mainly the specter of the plague threat from the south-eastern borderlands of the country, mainly the areas of Podolia or Volyn, which, however, triggered preventive measures and quarantine even in Warsaw, but also descriptions of local outbreaks of this deadly disease. The first was also mentioned reports on vaccinations. Epizooties, mainly mass cattle sickness, are discussed separately.
Andrzej Jaczewski, Profesor Wydziału Pedagogicznego Uniwersytetu Warszawskiego – jakim Go pamiętam...
Authors: Kamińska Janina
Published: November 2021

This article is devoted to an outline of the research and teaching activity of Professor Andrzej Jaczewski (1929–2020) at the Faculty of Education of the University of Warsaw. The author describes his commitment to lectures on school hygiene and extending the educational programme of educators to include sexology issues, as well as the creation of the Department of Biomedical Foundations of Development and Sexology at the Faculty of Education of the University of Warsaw. The author of the article presents Prof. Jaczewski’s publication achievements and his activity as vice-dean of the Faculty of Education, as well as his contribution to the organisation of cooperation with the University of Cologne. The text is enhanced with the author’s memories of Prof. Jaczewski from the 1980s, when the author was a student.
Modern Requirements for the System of Training Specialists in the Field of Environmental Safety
Authors: Matasova Irina Iurevna
Published: November 2021

The article is devoted to the issues of training specialists in the field of environmental safety in universities in the context of the implementation of the transition to the Federal State Educational Standard higher professional education 3++ training direction «Technosphere safety», the introduction of the professional standard «Specialist in environmental safety (in industry)», taking into account changes in regulatory legal acts in the field of environmental safety.
The purpose of the research is to determine the current requirements for the system of training specialists in the field of environmental safety, taking into account changes in the legislation regulating this area.
The following research methods are used in the work: the study and analysis of regulatory legal acts, domestic literary sources, resources of departmental and educational Internet portals in the field of environmental safety.
As a result of the study, it was revealed that fundamental changes in regulatory, administrative, economic, control and supervisory management methods and the use of state online services in the field of environmental safety in the Russian Federation determine the specifics of the content of theoretical and practical training of environmental specialists.
It is concluded that the professional standard for specialists in the field of environmental safety, introduced in September 2020, the requirements for the content of bachelor's and master's training in the direction of «Technosphere safety» should be the basis for the development of the Main educational professional program by universities (the choice of professional competencies, the formation of the curriculum, the formation of practice programs, the final certification program).
CLINICAL AND RADIOLOGICAL FEATURES OF THE MAXILLARY SINUS IN PATIENTS AFTER REMOVAL OF FUNGAL BALL AND THEIR IMPACT ON THE FREQUENCY OF SUBANTRAL BONE AUGMENTATION COMPLICATIONS.
Authors: Shkorbotun Ya.V.
Published: November 2021

Abstract. The mucoperiostitis and local osteitis are radiological symptoms of the fungal ball of the maxillary sinuses. The condition of the mucoperiosteum and the adjacent bone in the alveolar bay of the maxillary sinus predict the results of dental implantation and subantral augmentation. The endoscopic access to the sinus by the antrostomy in the middle meatus and infraturbinal have been used to avoid excessive tissue injury during the removal of the fungal ball.

Aim: To assess the condition of the bone and mucoperiosteum of the maxillary sinus in patients with fungal ball after rhinosurgery by the antrostomy with additional osteoplastic infraturbinal access.

Methods and materials: The data of 102 patients who underwent surgery for the fungal ball of the maxillary sinus were analyzed, and subsequently - subantral bone augmentation and dental implantation were performed. In patients of the first group (67 people) - endoscopic intervention was performed by antrostomy in the middle meatus, and in 2nd group (35 people) - additional osteoplastic infraturbinal access was used.

Result: Computed tomography data were evaluated before endoscopic sinus surgery and before subantral augmentation. The frequency of signs and severity of osteitis according to Kannedy Osteitis Score, after the intervention did not change significantly, and was established as 0.90 ± 0.07 in patients of group №1 and 0.77 ± 0.08 – group №2. The total frequency of complications with subantral augmentation in the comparison groups was 17.91 ± 4.68% and 17.14 ± 6.37%, respectively. Symptoms of osteitis in patients with fungal ball of the maxillary sinus after endoscopic removal, in the first 4 - 6 months of observation tend to regress, but do not disappear.

Conclusions: The incidence of osteitis in computed tomography in patients with maxillary sinuses fungal balls in 4.8 months after endoscopic removal tends to decrease and is 77.61 ± 5.09% when approach through the middle meatus and 74.29 ± 7, 39% in patients with combined infraturbinal approach. The use of additional infraturbinal approach in patients with a fungal ball does not adversely affect the results of subsequent subantral augmentation and dental implantation.
Method-ological Mapping of Girlhood Studies
Authors: Singh Halle
Published: November 2021

In this article, I report on a mapping project of the methods used in articles inGirlhood Studies: An Interdisciplinary Journalsince its inception. By reviewing all articles published in this journal from June 2008 to December 2020, I investigate and visually map the methodological tools used in the production of knowledge with, for, and about girls and girlhood. Alongside visual representations of this data, I also seek to reinvigorate conversations about the importance of epistemological and methodological rigor in studies of girls and girlhood.
The Writing of university students in a Venezuela in crisis
Authors: Caballero Sandra Maurera
Published: November 2021

The goal of this investigation is to present the writing competence of Venezuelan college students considering the particular academic and extra-academic situations it is going through and surrounded by. This is a qualitative and descriptive study, based on a field research that took place in Caracas at the Andrés Bello Catholic University (UCAB) during 2018. 37 students enrolled in the first semester of either the Mass Communication, Psychology, or Education majors were the subjects of the mentioned groundwork. This investigation was realized in a period of 15 weeks total, divided in three phases: diagnostic, intervention and verification of changes in writing. In conclusion, there were advances in pragmatic notions or factors that must be considered in moments prior to writing and during the process itself, referring to metacognitive, cognitive and axiological aspects. It is suggested to continue working on all these aspects in order to achieve the consolidation of what has been achieved, preventing or reducing the chances of regression.
Raport „Alego” z akcji na Kutscherę, czyli czego nie powiedział dowódca batalionu „Parasol”
Authors: Stopczyński Waldemar
Published: November 2021

The elimination of Franz Kutschera by the soldiers of the 1st platoon of the „Pegasus” company (later the „Parasol” battalion) is one of the most famous military actions of the Polish underground. Until the 1990s, the post-war narrative about the events of February 1, 1944 was based on the accounts of those participants of the operation who survived the war and on a brief report sent by the commander of „Pegasus” to Colonel „Nil”, and it was consolidated by P. Stachiewicz’s book „Parasol”. The documents published in 1993 and 2016 – the report of the deputy commander of the „Kutschera” operation and the cover letter of the commander of „Pegasus” attached to it – questioned this narrative. The article traced the development of the story about the operation against the „executioner of Warsaw”, indicating that the commander accepted this version which contained the most discrep
Przypadek dezercji dowódcy oddziału radiotelegraficznego w I Korpusie Polskim w Rosji Zygmunta Włodzimierza Tarły-Mazińskiego
Authors: Krok Tomasz
Published: November 2021

Włodzimierz Zygmunt Tarło-Maziński was the first commander of the radiotelegraphy unit of the Polish First Corps. He was a graduate of engineering courses at the Pavel Military School and the Officer Electrotechnical School of Electrotechnology in Petersburg (1915). He held the following positions: headmaster of the school in the Russian army’s radiotelegraphy units, lecturer of electrical and radio engineering at officer courses at the Western Front staff, and corps commander of the radiotelegraphy unit. In 1917 he was appointed military radioengineer. At that time he published textbooks in Russian: Records on Radiotelegraphy (1915) and Elementary Radiotelegraphy (1917), which were later published in Polish as Elementary Radiotelegraphy and Radiotelephony with a Brief Course in Electrical Engineering (Elementarna radiotelegrafia i radiotelefonia z pobieżnym kursem elektrotechniki, 1917) and Principles of Radiotelegraphy (Zasady radiotelegrafii, 1919). These were the first Polish publications on military radiotelegraphy. In the autumn of 1917, he became a member of the Polish Armed Forces that were formed in Russia, where as second lieutenant he became the first commander of the radiotelegraphy unit and the commander of the radiotelegraphy school at the Polish First Corps staff. The article provides a behind-the-scenes description of his insubordination to the orders of the commander of the Polish First Corps, basing on the archives of the Independent Radiotelegraphy Group and the Officer’s Adjudication Court.
Sign Language Translator Using YOLO Algorithm
Authors: Bhavadharshini M  , Josephine Racheal J  , Kamali M  , Sankar S  , Bhavadharshini M
Published: November 2021

Sign language is a terminology that encloses a motion of hand gestures which is an environment for the auditory impairment, individual (deaf or dumb) to deal with others. Nevertheless, so as to impart with the hearing impaired individual, the communicator obtains to acquire acquaintance in sign language. As follows is frequent to make undoubted that the message provided by the hearing impaired person acknowledged. This implemented system propounds an implementation of real time American Sign Language perception in Convolutional Neural Network (CNN) with the support of You Only Look Once version (YOLO) algorithm. The algorithm initially executes data acquisition, subsequently the pre-processing of gestures and are conducted to trace hand movement utilize a combinational algorithm.
Student Performance Prediction Using Machine Learning
Authors: Priya S  , Ankit T  , Divyansh D
Published: November 2021

Performance analysis of learning outcomes is a system that will aim for excellence at all levels and dimensions of the student’s field of interest. This paper suggests a comprehensive EDM framework in the form of a rule-based recommender system that not only analyses and predicts student achievement, but also demonstrates the reasons for it. The suggested framework examines students’ demographic information, study-related characteristics, and psychological factors to gather as much information as possible from classmates, teachers, and parents. School reports and queries used to collect the world’s latest data (e.g., student marks, population, social and school-related factors. Using a set of potent data mining methods, aiming for the greatest possible precision in academic performance prediction. The framework is effective in identifying the student’s weaknesses and making relevant recommendations. In contrast to current frameworks, the proposed framework outperforms them in a practical case study involving 200 individuals.
IoT Based Shirodhara
Authors: Indumathi J  , Sendhilkumar A
Published: November 2021

The contemporary pandemic scenario of COVID-19 has brought to surface the efficacy of old health care wisdom in inhibition and care of diseases where contemporary medicine deceptively wants a real cure. Undeniably, viral diseases for the fascinating vitality of their causal organisms, top this wish list. Ultimately the world seems to be enthusiastic to pay attention about old health care approaches to control viral pandemics if these are found well-intentioned in handling such situations. One such demand is to energetically or intelligently use the therapeutic devices especially the Shirodhara device, at the convenience, anytime, anywhere in a teleconsultation mode. The Shirodhara device design is to be in a manageable form without trailing the legitimacy and principals of Ayurveda. The main elements used in the device comprises of a sensor for perceiving the temperature, a pump for salvaging the medicine, programming device to control the temperature, and regulate the heater and a wavering pipe for free flow of the medicine. The device is premeditated in such a way to evade the faults and snags produced while doing the procedure Shirodhara. Hence, this device is built which is portable, cost effective; it provides a technologically enhanced Shirodhara instrument curtailing the practice of medicine and man power for the procedure.
Automatic Biometric System for Finger Knuckle Using Sparse Encoder Approaches
Authors: Suganthi Devi S
Published: November 2021

Biometric recognition is one of the effective authentication techniques which is utilized in various applications for making the individual identification process. During the verification and authentication process different biometric features such as signature, ear, iris, face, palm, finger knuckle details are used to perform this process. Due to the easy acceptance of the palm surface, fine textures and stable features characteristics are helps to choose the finger knuckle feature for biometric process in this work. First the finger biometric features are collected from PolyU finger knuckle database. After that, the noise present in the images are eliminated using weighted median filter and the knuckle region is located with the help of the variational approach. After that key point descriptors are extracted using sparse autoencoder approach. Finally, the specific features are trained using compositional networks and features matching is performed by Chebyshev distance. The matching process authenticate the user whether they are authorized person or not. At last efficiency of the system is evaluated using MATLAB based experimental results such as false acceptance rate, equal error rate and false rejection rate.
A bibliometric analysis of strawberry research from food science and technology category based on web of science
Authors: Yuan Bao-Zhong , Sun Jie
Published: November 2021

BACKGROUND:

The strawberry ( Fragaria× annanasa Duch.) is a fresh fruit of its attractive colour, good flavor and enrichment of nutrients in the world.

OBJECTIVE:

This study analyzed the 3,885 strawberry research papers both article and review types from Food Science and Technology category.

METHODS:

The data were searched and extracted from Web of Science database, and were analyzed by bibliometric science and visualization tools.

RESULTS:

Papers mainly written in English (3,754, 96.628%), were from 12,695 authors, 94 countries/territories, 2,689 organizations and in 168 Journals and book series. The top five Journals were Journal of Agricultural and Food Chemistry (432, 11.12%), Food Chemistry (338, 8.7%), Postharvest Biology and Technology (245, 6.306%), Journal of the Science of Food and Agriculture (187, 4.813%) and Journal of Food Science (185, 4.762%), which each published more than 185 papers. The top five countries and regions were USA, Spain, Peoples R China, Italy and Brazil. The top five organizations were CSIC, ARS (USDA ARS), Univ Calif Davis, Univ Politecn Valencia and Zhejiang Univ. The top five authors were Battino Maurizio, Giampieri Francesca, Wang Shiow Y. (Wang, SY), Mezzetti Bruno and Carle Reinhold (Carle R), each published more than 23 papers. All keywords of the strawberry research from Food Science and Technology category were separated nine clusters for different research topics.

CONCLUSIONS:

The paper could provide a valuable guide for designing future studies, and is also useful for student identifying graduate schools and researchers selecting journals.
Domestic and foreign experience of antimonopoly regulation of the food market in the context of economic globalization
Authors: Anisimova Marina , Anisimov Anton
Published: November 2021

Abstract. The globalization of the economy creates new opportunities for the formation of global food supply chains as a new type of infrastructure, which requires improved antitrust regulation of global food markets. The purpose of this work is to identify trends in the system of antimonopoly regulation of the food market in the context of globalization based on the systematization of the most important research results of foreign and domestic authors and the practice of competition authorities. The work uses the methods of a systematic approach, logical-structural analysis. The study is based on the provisions and conclusions of modern theories of the foundations of competition, competitive advantage. Information and analytical materials of the Federal Antimonopoly Service play an important role in the work. Results. The content of changes in the contours of global food supply chains is revealed, which manifests itself in the complication of the chain around leading large retailers; active education in the chain of new technology companies; improving chain management processes, leading to lower costs. The analysis of theoretical views on antitrust regulation of global food supply chains is carried out, which makes it possible to identify a number of fundamental provisions on which the activities of competition authorities should be based - to stimulate the competitive behavior of participants in the chain. An assessment of the practice of antimonopoly regulation of global food supply chains in a number of countries is given, focusing on a detailed analysis of all links of the chain, identifying constraints on the development of competition in the segments of the chain. The dynamics of the main indicators of the activities of FAS Russia in the food market is presented, indicating an increase in the identified violations in this economy. Attention is focused on new mechanisms for ensuring competition through the technological transfer of innovative material to Russian companies to enhance their competitiveness. Scientific novelty. The trends and features of the development of global food supply chains are identified based on the identification of specific factors in the context of globalization. Some principles of state antimonopoly control of global food supply chains have been formed, which makes it possible to improve the practice of their regulation.
Local Communities Participation in Rural Development: the Experience of the European Union
Authors: Golovina S. , Ruchkin Aleksey , Mikolaychik I. , Smirnova L.
Published: November 2021

Abstract. The use of the experience of implementing the Common Agricultural Policy (CAP) in the member states of the European Union (EU) is relevant both for Russia and for other countries of the world interested in the successful development of the agrarian sector of the economy and rural areas. The role of rural areas in achieving national security of countries and regions (food, biological, environmental and other) is increasing significantly due to the current challenges and threats (climate change, COVID-19 pandemic, aggravation of the international situation). The purpose of the study, the results of which are presented in this article, is to scrutinise the special approach implemented under the CAP. This approach is referred to in European law as LEADER/CLLD and refers to a close combination of comprehensive cross-sector interaction with active involvement of local communities in rural development. In the work, analytical and review research methods were used, with the help of which (1) the current (relevant to the research topic) legislation, (2) programs implemented in the EU member states, (3) significant scientific publications were subject to scrupulous study. The result of the work is a review and analysis of the findings and practical recommendations for the future use of the various aspects of LEADER/CLLD in domestic political and economic practice. The application of this approach takes into account the fact that the experience of local residents, combined with the opinions of other stakeholders, can help to better adapt rural development policy to real needs and opportunities, and to form a specific (unique) human capital within the boundaries of rural communities. Human capital includes, in addition to specific skills, (1) the ability to take constructive initiatives, (2) a sense of local identity and ownership, (3) the ability to participate as equals with other partners in defining local development strategies, (4) trust between people, private enterprises, public institutions and sectoral communities interested in successful rural development, formed through constant interaction. Theoretical and practical conclusions regarding the content of LEADER/CLLD initiatives, as well as findings related to the possibilities of introducing tools and mechanisms to support rural areas, implemented directly with the involvement of local communities with financial support from the state, are of scientific novelty.
Strategic analysis and assessment of the export potential of regional agricultural products based on the use of foresight technologies
Authors: Stovba Evgeniy , Luk'yanova Milyausha
Published: November 2021

Abstract. The article substantiates that it is advisable to use foresight technologies as an applied tool for solving problems of forming strategic priorities for the development of the agro-industrial complex. The methodological features of the use of foresight technology in forecasting the production volumes of the agro-industrial complex at the regional level are disclosed. The principal task of the development of the Republic of Bashkortostan is to increase the economic growth rate to a level above the global average, which allows ensuring food independence and increasing the competitiveness of exported agricultural products. The study purpose is the practical application of foresight research in the planning of export of agricultural products of the regional complex for a strategic perspective. In the implementation of the study, the following methods were used: comparative analysis, scenario forecasting and strategic planning, and foresight technologies. The scientific novelty of the research is determined by the formation of a set of methodological and practical recommendations on the use of foresight tools in the implementation of the export potential strategic analysis of the regional agro-industrial complex products. The article presents an assessment of the resource potential of agricultural production under an extensive-intensive development scenario of the Republic of Bashkortostan. Results of the research are as follows: the foresight forecasting algorithm of production volumes of the regional agro-industrial complex, taking into account foreign economic activity development, is formed; the TOP-5 agricultural products exported by the Republic of Bashkortostan are highlighted; the results of forecasting indicators of gross grain harvest in the region for the long term and the projected export volumes of agricultural products in the region are presented. Determination of the resource potential for the production of agricultural products will allow creating an innovative model of economic development of federal subjects for effective foreign economic cooperation. It is summarized, that foresight-forecasting conclusions determine the «mainstream» trends of the regional agro-industrial complex functioning.
Пути повышения свойств заготовок деталей ГТД из жаропрочных титановых сплавов, полученных методом прямого лазерного выращивания
Authors: Марченко Юрий Анатольевич , Петрик Игорь Андреевич , Овчинников Александр Владимирович , Скребцов Андрей Андреевич
Published: November 2021

Today, additive technologies for the production of billets from heat-resistant titanium alloys are used in aircraft engine building and the aerospace industry. However, the mechanisms of structure formation and the level of mechanical properties in such blanks are poorly understood and are of interest. Currently, available data are not sufficient for the confident application of additive technologies in the production of aircraft engines. This paper evaluates the microstructure and substantiates the possibility of improving the mechanical properties of workpieces of GTE parts made of VT20 titanium alloy, obtained by laser-powder additive surfacing. For research, workpieces with a size of 215x120x4 mm 120x85x14 mm were grown. As a "building" material, a powder of spherical shape of particles was used, the chemical composition of which corresponds to the alloy VT20. The research results showed that during laser-powder growth in the VT20 alloy, the formation of "hardening" structures is observed, due to the accelerated heat removal into the previously formed layer of cast metal. In this regard, the strength of the alloy sharply increases, and its impact toughness and relative narrowing decrease. Note that stress relief annealing after growing (T = 750 ± 10 ° C, holding time - 1.5 ... 2.0 h.) does not significantly affect the level of mechanical properties. When the annealing temperatures rise to critical levels, significant structural changes are observed in the VT20 alloy, which in turn affects its mechanical properties. Based on the analysis of microstructures and the results of mechanical tests after distinct types of heat treatment (800 ° C, 850 ° C, 920 ° C, holding time - 60...75 min.), it was found that an increase in the plastic properties of the VT20 alloy is observed when the samples are heated to temperatures close to the temperature of the polymorphic transformation (960...1000 ° C). Annealing of workpieces after surfacing according to mode T = 920 ± 10 ° C, holding time - 60...75 min. allows to somewhat reduce the strength characteristics of the VT20 alloy, while increasing its impact strength and relative narrowing.
Оцінка впливу похибок БІНС, яка побудована на MEMS-компонентах, на точність виведення ракети-носія надлегкого класу
Authors: Смирнов Артём Сергеевич , Голубек Александр Вячеславович
Published: November 2021

The object of the article is the movement of an ultra-light class liquid-propellant launch vehicle in near-earth space. The subject of the research is the accuracy of launching a spacecraft by a launch vehicle. The article studies the effect of errors in the instruments of a strap-down inertial navigation system built with the use of MEMS sensors on the accuracy of launching a spacecraft into low-earth orbits with an altitude of up to 450 km for two modes of operation: with and without a satellite navigation system. Tasks: to identify the determining disturbing factors, to determine the influence of instrument errors on the trajectory tube, to determine the influence of instrument errors on the insertion accuracy, to perform a comparative analysis of the accuracy characteristics obtained for two modes of operation of the navigation system. Methods used analysis, synthesis, analogy, comparison, factor analysis, statistical modeling, statistical processing of modeling results. Results: a set of defining disturbing factors was revealed, the dependencies of the trajectory tubes on the altitude of the target orbit and flight time were obtained, the dependencies of the limiting deviations of the parameters of the spacecraft's orbit at the time of separation from the launch vehicle on the altitude of the target orbit were obtained. Conclusions. 1. It is shown that the determining perturbing factors are the zero drift of the gyroscope from launch to launch and the zero random drift of the gyroscope. 2. It was determined that the value of the trajectory tube monotonically expands on time and the height of the target orbit. Maximum deviations of the current position and absolute speed in the mode without using a satellite navigation system do not exceed 115 km and 140 m/s. For the mode using a satellite navigation system, these values do not exceed 140 m and 1.5 m/s. 3. It was revealed that the maximum deviations of the parameters of the spacecraft's orbit in the mode with the use of a satellite navigation system do not exceed 27 km in height, 1.8o in inclination, 4.5x10-4 in eccentricity, and 2.7o for the longitude of the ascending node. For the mode with a satellite navigation system - in height - 2.6 km, in inclination and longitude of the ascending node - 0.0003о, in eccentricity - 3.5x10-4. 4. Generally, the use of a satellite navigation system narrows the trajectory tube by twice, and the accuracy increases to four times, depending on the orbital parameters.
Player Pricing Mechanisms and the Daily Fantasy Sport Chance Versus Skill Debate
Authors: Losak Jeremy M.
Published: November 2021

Abstract: Differentiating and defining games of skill versus chance have major legal implications when classifying gambling, especially in relation to daily fantasy sports in the United States. This paper provides a theoretical discussion and introduces an empirical approach to analyzing game player pricing mechanisms. If game pricing mechanisms are fully efficient—player prices fully reflect the expected contributions from players—then that game is one of chance since there is no opportunity for skill to play a role in outcomes. This paper examines player prices from DraftKings’ daily fantasy football product. Empirical results show that there are strategies deriving from the pricing mechanism that can be incorporated by skilled participants to increase their expected performance and improve their chances of winning. This provides evidence that daily fantasy sports are skill-based—a necessary condition for skill to be a predominant factor in game outcomes as part of the legal debate.
Accuracy Assessment of the Network Real-Time Kinematic Techniques for Geodetic and Plane Coordinates
Authors: Din Ami Hassan Md , Abu Bakar Nur Adawiyyah Maziyyah , Zulkifli Nur Adilla , Che Amat Muhammad Asyran , Hamden Mohammad Hanif
Published: November 2021

Virtual Reference Station (VRS), Master-Auxiliary Corrections (MAX) and Individualised Master-Auxiliary Corrections (IMAX) are among the Network Real-Time Kinematic (NRTK) techniques supported by Malaysia Real-Time Kinematic GNSS Network (MyRTKnet) in rendering network-based solution to users. However, different network corrections have different limitations due to different manufacturers hence offering varieties output. Therefore, this study was conducted to assess the accuracy of VRS, MAX and IMAX for geodetic and plane coordinates. Three (3) techniques were implemented to observe points at Universiti Teknologi Malaysia (UTM) and cadastral lot in Johor Bahru. The results were analysed based on assessment with known values and baseline lengths. The findings showed that the accuracy of all techniques ranged from 0.16 to 3.61 cm (horizontal) and 2.86 to 6.20 cm (vertical) for geodetic coordinates. For plane coordinates, the values varied from 0.3 to 4.22 cm (horizontal) and 2.1 to 8.26 cm (vertical). IMAX provided the worst accuracy compared to others due to incompatibility of Radio Technical Commission for Maritime Services (RTCM) format. Moreover, the accuracy decreases as the baseline length between rover and reference station increases. In conclusion, VRS and MAX yielded acceptable accuracy and can be safely chosen rather than IMAX. Furthermore, the baseline length for applications involving high accuracy measurement should also be considered.
A Novel PM-OFDM-CDMA System for 5G Wireless Communication with High Capacity and Low Energy Consumption
Authors: Mestoui Jamal
Published: November 2021

Phase Modulation Orthogonal Frequency Division Multiplexing (PM-OFDM) and Code Division Multiple Access (CDMA) have distinctive advantages. On one hand, PM-OFDM is an attractive technique to combat multipath fading and reduce high PAPR in conventional OFDM. On the other hand, CDMA has the ability to serve multiple users at the same time and/or frequency. In this article, a new PM-OFDM-CDMA system that combines PM-OFDM and CDMA is proposed. The idea behind the proposed technique is to combine the advantages of these techniques in order to enhance the performance of the 5G system by serving multiple users simultaneously. The performance of the proposed system is analysed in terms of BER under different channel conditions. A Minimum Mean Square Equaliser (MMSE) scheme is used in order to avoid the effect of multipath effect and noise simultaneously. From the simulation results, we conclude that the proposed system has good performance that can improve 5G wireless communication networks, especially for battery-powered mobile devices. This amounts to the constant envelope of the proposed waveform which generates constant instantaneous power and therefore reduced PAPR.
DAMPAK OPINI AUDIT TERHADAP REAKSI PASAR SAHAM PADA PERUSAHAAN MANUFAKTUR YANG TERDAFTAR DI BURSA EFEK INDONESIA
Authors: - Supriati , Puspa Arum Enggar Diah , Maulana Zulma Gandy Wahyu Wahyu
Published: November 2021

Penelitian ini bertujuan untuk mengetahui dampak opini audit wajar tanpa pengecualian dan opini audit wajar tanpa pengetahuan dengan paragraf penjelas terhadap reaksi pasar saham yang diukur dengan abnormal return. Metode penelitian ini menggunakan metode studi peristiwa. Sampel yang digunakan adalah perusahaan manufaktur yang mengumumkan opini audit wajar tanpa pengecualian dan opini audit wajar tanpa pengecualian dengan paragraf penjelas yang terdaftar di Bursa Efek Indonesia periode 2017-2019, yaitu sebanyak 218 perusahaan untuk opini audit wajar tanpa pengecualian dan 116 perusahaan untuk opini audit wajar tanpa pengecualian dengan paragraf penjelas. Hasil penelitian ini menunjukkan bahwa opini audit wajar tanpa pengecualian dengan paragraf penjelas berpengaruh negatif dan signifikan terhadap abnormal return pada hari kedua setelah pengumuman opini audit, sedangkan pengumuman opini audit wajar tanpa pengecualian tidak berpengaruh terhadap abnormal return. Implikasi dari penelitian ini diantaranya adalah investor hendaknya cermat dalam membaca reaksi pasar agar dapat memperoleh pengembalian saham sesuai dengan yang diharapakan.Kata Kunci: Opini Audit Wajar Tanpa Pengecualian; Opini Audit Wajar Tanpa Pengecualian dengan Paragraf Penjelas; Abnormal Return