scholarly journals NUCLEAR ZIRCONIUM – THE BASIS OF ALLOYS WITH IMPROVED NEUTRON-PHYSICAL, RADIATION, AND CORROSION PROPERTIES

2020 ◽  
pp. 97-102
Author(s):  
A.P. Mukhachev ◽  
M.M. Pylypenko ◽  
O.A. Kharуtonova

The paper provides a review of industrial technologies for the production of nuclear zirconium. Their advantages and disadvantages have been shown, a comparative analysis of the quality of zirconium and hafnium salts has been given. Zirconium with a purity of 99.95%, is on a par with the quality of the iodide metal, with a hafnium content of less than 0.005%, was obtained from zirconium tetrafluoride (TFZ) by electrolysis and method of salt recovery with calcium.

Author(s):  
E.A. Alexandrova ◽  
◽  
T.V. Karlova ◽  

Currently, the Russian Federation is implementing the national project «Education», the key goals of which are to ensure the global competitiveness of Russian education and to become one of the top 10 countries in the world in terms of quality of education. The article presents a comparative analysis of the principles of the educational systems of the Soviet and Russian schools. The article describes the key advantages and disadvantages of education in the Soviet era, which was based on ZUN (knowledge, skills). The article reveals the advantages and disadvantages of modern Russian education, the fundamental core of which is UUD (universal educational actions). The article emphasizes that, despite the introduction of the second-generation Federal state educational standards and the introduction of innovative technologies, the level of quality of education in the USSR (the Union of Soviet Socialist Republics) was higher than at present.


2020 ◽  
Vol 24 (3) ◽  
pp. 237-244
Author(s):  
Jun Wang ◽  
N. V Kharchenko

One of the most severe complications of metastatic lesion of the skeleton is the development of a pathological fracture, which not only affects the quality of life, makes it difficult to carry out adequate systemic treatment, but also has a negative effect on survival. In case of a pathological fracture, the main method of treatment is a surgical method. The main goal of the correction is to achieve stability and reduce metastatic pain in the area of damage or fracture. Today, the most popular organ-preserving operations for metastatic lesions of the femur in combination with pathological fractures are endoprosthesis and intramedullary osteosynthesis. In this paper, a comparative analysis of the results of their use is carried out, the advantages and disadvantages of each of the methods are described.


2020 ◽  
Vol 17 ◽  
pp. 351-357
Author(s):  
Agata Kołtun ◽  
Beata Pańczyk

Recent years have brought the rise of importance of quality of developed software. Web applications should be functional, user friendly as also efficient. There are many tools available on the market for testing the performance of web applications. To help you choose the right tool, the article compares three of them: Apache JMeter, LoadNinja and Gatling. They were analyzed in terms of a user-friendly interface, parameterization of the requests and creation of own testing scripts. The research was carried out using a specially prepared application. The summary indicates the most important advantages and disadvantages of the selected tools.


Author(s):  
Ol'ga Lebedeva

The study is aimed at comparing the methods of restoring correspondence matri ces, the traditional transport school and modern mobile technologies. Traditionally, correspondence matrices are restored by interviewing vehicle drivers and applying gravity models (to extrapolate and fill in unobserved movements), then matrix estimation methods are used to calculate traffic flows. Each of these approaches has a number of advantages and disadvantages, but there is no evidence to assess the quality of the data obtained.


2020 ◽  
pp. 92-107 ◽  
Author(s):  
A. I. Bakhtigaraeva ◽  
A. A. Stavinskaya

The article considers the role of trust in the economy, the mechanisms of its accumulation and the possibility of using it as one of the growth factors in the future. The advantages and disadvantages of measuring the level of generalized trust using two alternative questions — about trusting people in general and trusting strangers — are analyzed. The results of the analysis of dynamics of the level of generalized trust among Russian youth, obtained within the study of the Institute for National Projects in 10 regions of Russia, are presented. It is shown that there are no significant changes in trust in people in general during the study at university. At the same time, the level of trust in strangers falls, which can negatively affect the level of trust in the country as a whole, and as a result have negative effects on the development of the economy in the future. Possible causes of the observed trends and the role of universities are discussed. Also the question about the connection between the level of education and generalized trust in countries with different quality of the institutional environment is raised.


Author(s):  
Yuliia Nehoda

The subject of the research – is a set of organizational-economic relations arising in the process of structural transformation of financial and credit relations in the agricultural business. The purpose of the article is a retrospective analysis of structural transformations of financial and credit relations in the agricultural business, evaluation of the effectiveness and feasibility of the introduction of agricultural receipts as a new instrument of lending to the agricultural business of the regions. Methodology of work – system-structural and comparative analyzes (to determine the effectiveness of the crediting mechanism according to the agricultural receipts of the farmers of the region); monographic (when studying the problems of the functioning of the mechanism of lending to agrarians by agrarian receipts) economic analysis (when carrying out a comparative analysis of the mechanism of classical bank lending to the agrarian business and the mechanism of lending to agrarians according to agrarian receipts); modeling and forecasting (when determining ways to overcome the existing deficiencies in the mechanism of lending to agrarian business entities of the region according to agrarian receipts). The results of the work – a retrospective analysis of the structural transformation of financial and credit relations in the agricultural business was carried out. The mechanism of crediting agrarians according to agrarian receipts and the scale of its distribution in the agrarian business of the region are considered. A comparative analysis of the mechanism of classical bank lending to the agrarian business and the mechanism of lending to agrarians according to agrarian receipts was carried out. In the framework of the pilot project “Agrarian receipts in Ukraine” of the international financial corporation (IFC) in partnership with the Swiss Confederation in Ukraine, the example of the Poltava region defined the effectiveness of the crediting mechanism according to the agrarian receipts of the agrarians of the region. The advantages and disadvantages of the mechanism of crediting the subjects of the agrarian business on agrarian receipts are noted. The ways to overcome the existing shortcomings of the mechanism of crediting the subjects of the agrarian business of the region according to agricultural receipts are determined. Conclusions – according to the results of the conducted research, the effectiveness of the mechanism of lending to the agricultural business of the regions according to agricultural receipts was proved, its advantages and disadvantages were noted, and attention was also focused. Proposed in Art. 7 of Law No. 5479-VI clearly delineate cases and restrictions on the debtor’s reimbursement of expenses incurred by the lender with the acquisition of the right to grow and harvest the pledged crop of agricultural products, which will ensure the principle of equality of parties on economic benefits and distribution of credit risks according to agricultural receipts.


Author(s):  
Neha Thakur ◽  
Aman Kumar Sharma

Cloud computing has been envisioned as the definite and concerning solution to the rising storage costs of IT Enterprises. There are many cloud computing initiatives from IT giants such as Google, Amazon, Microsoft, IBM. Integrity monitoring is essential in cloud storage for the same reasons that data integrity is critical for any data centre. Data integrity is defined as the accuracy and consistency of stored data, in absence of any alteration to the data between two updates of a file or record.  In order to ensure the integrity and availability of data in Cloud and enforce the quality of cloud storage service, efficient methods that enable on-demand data correctness verification on behalf of cloud users have to be designed. To overcome data integrity problem, many techniques are proposed under different systems and security models. This paper will focus on some of the integrity proving techniques in detail along with their advantages and disadvantages.


Author(s):  
Rostislav Fojtík

Abstract Distance learning and e-learning have significantly developed in recent years. It is also due to changing educational requirements, especially for adults. The article aims to show the advantages and disadvantages of distance learning. Examples of the 20-year use of the distance learning form of computer science describe the difficulties associated with the implementation and implementation of this form of teaching. The results of students in the full-time and distance form of teaching in the bachelor’s study of computer science are compared. Long-term findings show that distant students have significantly lower scores in the first years of study than full-time bachelor students. In the following years of study, the differences diminish, and students’ results are comparable. The article describes the possibilities of improving the quality of distance learning.


Author(s):  
B. F. Tarasenko B. F. ◽  
◽  
S. Y. Orlenko S. Y. ◽  
V. V. Kuzmin V. V.

The article presents a comparative analysis, based on field tests, of the quality of loosening of soil structures of the upper horizon with technical means developed at KubSAU and an improved design of a universal tillage unit.


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