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ContactsDate of issue: 19 April 2021
Scientific Atlas
Electronic scientific journal
ISSN 2738-7518
Date of issue: 19 April 2021
Author(s): Hristo Dobrev
This article presents the dermatological aspects of the COVID-19 pandemic. The SARS-CoV-2 virus can induce 6 main types of skin manifestations that show an association with the duration and severity of the disease. Skin rashes associated with medications used to treat the infection have also been reported.
Keywords: COVID-19, dermatology, skin diseases
Author(s): Zlatina Karadzhova
Originating in antiquity, tourism is constantly evolving and improving. It is one of the fastest growing industries in the modern world. Today, tourism creates prerequisites for the development of related sectors and industries - agriculture, food industry, construction, transport, health care and more.
Keywords: adventures, experiences, spa and wellness, changes, tourist behavior
Author(s): Milena Dimitrova
The article discusses the problems in assessing the chemical risk in pipeline transport and storage of products from the oil refining industry and the importance of indicators for the effectiveness of process safety.
Keywords: risk assessment, oil refining industry, work with chemically hazardous products, transport and storage of oil and oil products
Author(s): Hasan Azis
The decentralization as a form of regional management and government is an object of scientific interest in various areas of the socio-economic activities. The present study focuses on the study of the interrelationships between the integrated management in the public administration and the degree of the so-called cross-border decentralization in three municipalities in total – Edirne, Komotini and Kardzhali.
Keywords: cross-border decentralization, integrated regional government, administrative and management staff
Author(s): Violeta Gorcheva
The subject of this study is the musical “The Little Prince” – created and produced as a world premiere on the stage of Bulgaria’s Musical Theatre in 2017, added to its repertoire as a production created by the youngest generation of talented Bulgarian creators in the field of music and performing arts.
Keywords: musical, genre specificity, musical dramaturgy, modernization, semantic codes, director’s explication
Author(s): Vasil Yankov
During the period 08/18/2019 - 09/23/2019 in atmospheric and vacuum distillation unit in ebullated bed hydrocracking H-Oil a decrease in the yield of diesel fraction was registered. The calculations of the heat balance of the atmospheric column...
Keywords: ebullated bed hydrocracking H-Oil, atmospheric distillation, heat balance, corrosion, diesel fraction, chimney tray
Author(s): Stela Todorova
Scientists check and analyze with different models and methodologies objects of their research, whose areas of study are economics, management, healthcare, computer systems and technologies whether they meet certain criteria.
Keywords: Method, Indexed Matrices, Model, Intuitionistic fuzzy sets, Predicate, Analysis
Author(s): Elitza Hristova
This article presents the main results of the study on the security of Bulgarian citizens in our modern society. The personal (individual) security of the person, the security of the social communities in the society is interpreted in the modern unconventional understanding - security is considered in the context of a complex of factors - economic, social (social-psychological), political.
Keywords: security, national (community) security, security environment, security factors, perception of security
Author(s): Ivan Petrov
This article examines the operation of the Catalytic Reforming unit at Lukoil Neftochim Burgas (LNB) for the period from the initial start of the unit in 2004 to 2020.
Keywords: catalytic reformer, reformate, MON, RON, deactivation, catalyst
Author(s): Ivan Torlakov
In this paper are investigated a class of impulsive Cohen-Grossberg neural networks with delays. Looking for stable neural networks to help with their further study for the given model.
Keywords: Cohen-Grossberg neural networks, Impulses, Delays, Stability
Author(s): Nadezhda Koprinkova-Noncheva
The subject of this study are small and medium enterprises (SMEs) in the context of the application of the delivery model “drop-shipping”, developed on the basis of e-commerce. The main emphasis is on the observed migration of supplies of goods and services from the traditional supply chain to the drop-shipping model.
Keywords: drop-shipping, supply chain, e-commerce, small and medium enterprises, goods
Author(s): Rusen Gigov
The need for innovation in supply chains requires exploring the possibilities of applying modern digital technologies that increase the competitiveness of businesses. In the last decade of the 21st century, the focus has been on Blockchain technology...
Keywords: blockchain technologies, supply chain
Author(s): Ekaterina Stamatova
The article observes and examines the levels of use of information and communication technologies used by enterprises in Bulgaria in 2020. The results of individual indicators clearly and indicatively present the line of development of Bulgarian business in this direction.
Keywords: information and communication technologies, digital transformation