scholarly journals Improvement of Eyeglass Lens Production Using Simulation Modeling and Dynamic Buffer Optimization

2021 ◽  
Vol 13 (1) ◽  
pp. 195-208
Author(s):  
Daria Brun ◽  
Cezary Szwed

Abstract The subject of the paper is the investigation of possible improvements to the process of eyeglass lenses production. The research area concerns the application of modern IT tools to the enhancement of production results, in the context of digitalization of the economy, including industry. The main objective is to improve the efficiency of the realized production process in terms of the defined quality criterion. The applied approach is based on a simulation experiment method. A computer program implementing this method was used. The results show the effectiveness and universality of the proposed approach for the studied class of problems. The main theoretical contribution to the studied field is integration of the buffer allocation issue, defined as an optimization problem, into the simulation experiment method. The practical conclusions show the benefits for the company from the perspective of implementation of the production process.

2020 ◽  
Vol 0 (21) ◽  
pp. 0-0
Author(s):  
Merve KURT KIRAL ◽  
Emel AKIN

Spaces are conditioned by social conditions; on the other hand, social structure is affected by spaces. Arcades, the subject of this article, first appeared in Europe in the 18th century as a result of an increase in trading activities. The arcades in Ankara, which were started to be built in the 1950s together with increasing trading activities, contributed to the urban economy with intense activities of shopping, re-determined social and urban relations as essential places of everyday life and became distinctive urban buildings with their original building typologies and the function of maintaining public continuity in the area of private ownership. Aim: This study aims to study the process in which passages emerged and to analyze their spatial features and, in particular, to examine the spatial formation of the distinctive passages in Ankara on the basis of their causation. Method: In the article, spatial features of the passages in the West were mentioned, and the conditions of the period in which the passages in Ankara were built were briefly explained. Spatial analysis of the passages found in the research area were conducted, and the formation of these passages were analyzed together with their reasons. Results: Of the 31 arcades in Ankara, 27 were built between 1950 and 1980 on and around the Atatürk Boulevard in Yenişehir/Kizilay. As of the mid-1950s, new planning decisions which were made one after the other in the built-up area re-shaped the Boulevard and its surrounding as the existing buildings were demolished, allowing to construct new buildings with arcades or stores in their entrances. Their interior designs and connections to the streets are different from the arcades in the West. Conclusion: The present subdivision system and new planning decisions applied in property order shaped the passages which were peculiar to Ankara.


Author(s):  
Zoya M. Dashevskaya ◽  

n the second half of the 19th century – especially in the period following the introduction of the Academic Constitution of 1869, and in the 1880s and continuing until the forced closure of Theological Academies after the Revolutionary coup – the historical and liturgical research area in Russian academic science experienced a period of its formation and flourishing. The subject of the article is a comparison of approaches to the study of the worship service history and analysis of the formation of the research methodology for teaching Liturgics by professors N.V. Pokrovsky and I.A. Karabinov of the St. Petersburg Theological Academy, where they taught the history of Christian worship from the 1880’s until its forced closure in 1918. Analysis and juxtapos- ing of academic courses in Liturgics allows defining the boundaries and content of the discipline in the period of its formation as well as considering the evolu- tion in research methodology and, more broadly, the formation of the Russian historical and liturgical scientific school. A comparison of the courses reveals the authors attitudes towards histori- cal sources material and its studies. Their own ideas about the provenance of various rites used in church worship characterize their views on the develop- ment of the liturgical tradition, expressing their approaches to its study and thereby form our picture of the establishment of historical Liturgics as a field of researchable knowledge.


2020 ◽  
Vol 43 ◽  
pp. 37-46

The subject of the research is the analysis of the land cover changes in the area of the town of Goražde. In the period after 1995, throughout the entire Bosnia and Herzegovina, a visible spontaneous spatial planning contributed to significant changes in the land cover. The research aims to determine how many changes have taken place in the last few decades in the researched area when it comes to land cover. The analysis is based on topographic maps from 1980, Google Earth images, then Corina Land Cover images from 2000, 2006, 2012, and 2018. Research on the topic was conducted through several phases. The first part of the paper refers to determining the geographical location of the research area and defining all its components. The second part of the paper deals with a detailed analysis of all categories of land cover in the last twenty years. The third part of the paper involves a comparative analysis of quantitative and qualitative indicators of land cover in the town of Goražde. The complete procedure of the analysis was performed using GIS, where the corresponding databases were created and a cartographic visualization for the investigated area was performed.


2020 ◽  
Vol 16 (1) ◽  
pp. 51-60
Author(s):  
Ivan D. Matskulyak

The Object of the Study. Socioeconomic processes and phenomena characterized as an unsustainable employment and reflected in the collective monograph published in Rossiya among the first as well as its main provisions, conclusions and recommendations. The Subject of the Study is expressed by the combination of socioeconomic relations between market-based economic entities regarding the widespread development in recent years in the world, including the Rossiyskaya Federatsiya, the precarious employment of the population and the consequences of this process. The Purpose of the Study is to attract the notice of a wide range of management personnel of both state authorities and economic bodies, as well as employers, legislators, scientists, etc., to the problem of unsustainable employment, the need of its effectively solve, especially in conditions of intensification of transformation of the domestic economy. The Main Provisions of the Article cover all six sections, including 30 paragraphs of the monograph studied, authored by 41 specialist-scientists, professionally engaged in the designated research area. The author, on the basis of the actual content of the book, has tried to present all the aspects, to convey the variety of shades of the process of unsustainable employment reflected in the monographic research. It applies both the domestic experience and international practice. The problems of the unsustainable employment are revealed compared to decent work. Their dependence on the scientific and technological progress is considered. The domestic and foreign experience of the personnel reduction is summarized on the example of a flexible employment. Risks of unsustainable employment are identified and directions of their prevention are formulated. The characteristics of precarious employment of different groups of workers - women, pensioners and others working in similar conditions of specific industries - are characterized as well as the legal coverage of unsustainable workers is analyzed, and special attention is paid to external migrants and functioning numerous institutions in the investigated economy sectors.


Author(s):  
S.P. TORSHIN ◽  
◽  
G.A. SMOLINA

The paper shows the significant contribution of Vsevolod Makrichievich Klechkovskiy to the development of agrochemistry and radioecology. V.M. Klechkovskiy worked all his life at the Department of Agrochemistry of Timiryazev Academy as an assistant professor, associate professor, professor, and Head of the Department. His creative activity was associated with two areas of research – agrochemistry and radioecology (the subject area established by him). In 1946, he was appointed Head of the Biophysical Laboratory (BPhL) at the Department of Agrochemistry and made a significant contribution to the development of radioecology as an independent research area. The authors demonstrate that the Biophysical Laboratory laid the foundation for establishing the All-Union Research Institute of Agricultural Radiology and Agroecology.


2018 ◽  
Vol 7 (3.6) ◽  
pp. 94
Author(s):  
K Kalaiselvi ◽  
J Sowmiya

With the huge amount of information available, the analysis over the data is the fertile area of knowledge mining research. Knowledge mining is the recent hot and promising research area. Knowledge mining is defined as the process of obtaining relevant knowledge from the pool of resources. In this review paper, we surveyed about the prior works carried out in the knowledge mining systems. We explore the primitives of knowledge mining systems. Attribute imbalance is the primary issue prevails in the knowledge mining process. In the field of higher education, most of the attributes are shared among the data features. In addition a precise introduction to knowledge mining along with its process is presented to get acquainted with the vital information on the subject of knowledge mining system  


2018 ◽  
Vol 9 (2) ◽  
pp. 64-66
Author(s):  
Anna Odrowąż-Coates

The book "School bullying. Socio-pedagogical analysis of the phenomenon" by A. Tlusciak-Deliowska (2017) is an important theoretical contribution to the field of social pedagogy, social psychology and educational studies. The subject of the analysis - the phenomenon of school bullying - has an enormous impact on people's lives and achievements throughout their school years and beyond. This means that a deeper understanding of bullying mechanisms and its prevention are of paramount importance for the future of our societies. This book's vital contribution to the field relies on a thorough revision and critical analysis of the state of knowledge, regarding the phenomenon of school bullying, which at this point, has not been carried out within the landscape of Polish pedagogy nor psychology. This complex and comprehensive review of world-wide literature and research about interpersonal aggression amongst children, is methodically structured and systemised in accordance with the newest strategies in an attempt to understand the phenomenon of bullying, its socio-cultural and psychological conditioning and most importantly to identify the most efficient strategies and programmes dedicated to prevention.


Author(s):  
Dariusz Nowak ◽  
Iskra Panteleeva

This chapter presents basic information about the nature and essence of the enterprise. The first subchapter shows both the well-known and less popular definitions of an enterprise and an industrial enterprise. They have been shown through the prism of various approaches, including definitions from various countries. The second part discusses the features of an industrial enterprise, with particular emphasis on: organizational separateness, economic separateness, legal separateness (legal personality), territorial separateness and technical and production separateness. The next part focuses on the goals and tasks of an industrial enterprise, with particular emphasis on the way they are formulated. Both strategic, tactical and operational goals were discussed. The subject of the considerations in the fourth part were the functions of an industrial enterprise, including a detailed description of the production, technical, organizational and personnel functions. The division of enterprises according to various criteria is presented in the next section. It focuses on such criteria as business profile, the size of the enterprise, form of ownership, production type, type of production process and market legal form. The last part discusses the market on which an industrial enterprise operates. Its features were presented, as well as the type of industrial products, types of customers and differences between industrial and consumer marketing. Particular attention was also paid to OEM (Original Equipment Manufacturer) and MRO (Maintenance Repair and Overhaul).


2021 ◽  
Vol 58 (2) ◽  
pp. 8836-8848
Author(s):  
Dr. Indu Sharma

What you want to say and what they are interested in? The answer creates a seamless partnership between Knowledge Worker and the Organisation to achieve sustained growth in a disruptive changing business landscape. To drive the answer to the above question i.e.  ‘RELEVANCY’ both for the organisation as well as Knowledge Worker in the industry ecosystem the power of behavioural insights and neuroscience’s Happy-Hormone is leverage in this research article. We act as a choice-architect and worked on automated system-intuitive thinking. The tone of this article is prescriptive and the ‘Nudges’are provided as a treatment for the diagnosed issues of the Organisation, the subject-matter of the present study.  The effectiveness of prescribed Nudgestested on treatment and control groupby deploying experiment method and results evidenceda significant effect on the treatment group. In this study, ourlearning reflections:‘Pre-commitment is an impactful tool’; ‘Peer support matters’; ‘Craving need to be instigated, to get reminder work’.


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