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Статьи журнала - Бюллетень науки и практики
Все статьи: 6181
The cultural effects of international student mobility: Russian millennials
Статья научная
This research study measures and presents the cultural effects of international mobility on Generation Y students in Russia. The analyzed sample is based on primary research data (n=302) supported by secondary data and literature review. Two major groups have been compared: (former) students with international mobility experience - the ones who participated the in Tempus, Erasmus+ or other exchange programs, and students without foreign experience, graduates who took part only in the domestic education system. In order to reveal the measurable impacts of international mobility, Likert scale items were used to measure respondents’ attitudes to particular statements such as self-confidence, tolerance, cultural acceptance, and active citizenship. Among the 15 variables adopted in this study, the importance of seeing the value of different cultures” was identified as the highest positive difference in favour of the internationally mobile group.
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The current state of flora and phytocoenosis along the Kura river in Mingachevir city (Azerbaijan)
Статья научная
During the geographical analysis of the flora in the area surrounding the city of Mingachevir, situated on the banks of the Kura River in Azerbaijan, a total of 158 species of angiosperms were recorded. These were found to be represented in 28 families and 79 genera. As a result of the analysis, a flora conspectus was prepared. During the conducted research, six types of vegetation were identified along the Kura River in Mingachevir city. These vegetation types include bozghir (dry steppe), semi-desert, halophyte desert, thicket-grass, wetland, and forest. The researchers found that these vegetation types are represented by eight formation classes, nine formation groups, and ten associations. The research included the species composition of the identified formations and carried out geobotanical descriptions. We also evaluated the economic importance of phytocoenosis by determining the main fodder plants and the modern state of the terrestrial flora and phytocoenosis.
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The design of electric fire engine
Статья научная
The electric fire engine is based on the single chip microcomputer as the control core. In order to better realize the fire extinguishing function, the latest electric fire engine has added the tracking module, wireless transceiver module, etc., to realize the intelligent fire engine to detect the fire source and extinguish the flame. This design combines the principle of single chip microcomputer with the hardware and software circuit program to realize the function of automatic tracking and fire extinguishing, without the fire personnel risking their lives to carry out on-site operation. This kind of electric intelligent fire truck adds some practical small functions, brings us a lot of convenience, can better serve human beings. The main model of this design is a small toy car model with universal wheel and motor control wheel. The chassis is installed with a variety of sensors with different functions to achieve the purpose of moving forward and backward, steering and avoiding obstacles and eventually extinguishing the fire source. At the same time, the car can also realize wireless remote control. By comparing the shortcomings of the traditional fire truck, some improvements are made, the circuit diagram of intelligent control is designed, and the method of wireless control car for fire fighting is explored with the combination of practice and thinking, so as to further improve the fire truck and make it intelligent. The main purpose of this design is to reduce the fire casualties and improve the need for fire personnel to take the risk of life operation of the traditional fire truck function. Its advantages are automatic tracking, avoidance of obstacles, wireless control, measuring the source of fire.
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Статья научная
The article is devoted to the problem of preparation and implementation of an elective course in computer science as one part of the course of teaching high school students of physical and mathematical profile. Currently, specialties where a foreign language is used in its applied function, often as the means to study another subject area, are popular. This is due to the fact that many students want to use their English-speaking knowledge and skills in their future profession. It is possible to impart an applied nature and practical orientation through conducting elective courses that would familiarize the students with the basics of their future professional activity. The use of English for conducting elective courses contributes to the formation of communicative competence of students and the development of academic skills. The aim of the work is to create an elective course in English “Theory of Kolmogorov complexity”. Methodological basis of the research was personal-oriented, system-activity and competence approaches to teaching. The elective course proposed is the introduction of students into a new area of computer science - the theory of the complexity of information, which is closely related to cybernetics. The result of the study was the development of an elective course program in English, which includes not only a methodology for conducting and a plan of course, but also various types of assignments that contribute to better understanding of the material offered to students and can initiate research work on this topic. Particular attention is paid to communicative orientation, involving the use of English in the future professional activities of students. The results of the research can be applied in the practice of school instruction in computer science, and also serve as a basis for the preparation of teaching aids and special courses for high school students in physical and mathematical profile.
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The development of the transport system in Surkhandarya province
Статья научная
Research of the transport system of Surkhandarya region shows that most rural districts have weak transport potential, which does not allow effective use of their mineral raw material potential. For this reason, ensuring the development and expansion of the existing regional transport systems, their modernization, regional improvement of the regional transport system is one of the urgent issues of today.
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Статья научная
Among the alternative energy sources, of particular importance is the hydrogen energy industry, whose advantage over petroleum products consists in its high environmental safety and caloric content, inexhaustible natural reserves, its use in the internal combustion engines, and so on. Among the hydrogen-containing raw materials used in the fuel elements, particular attention is paid to hydrogen sulfide, which is disintegrated into sulfur and hydrogen. One of the biggest sources of hydrogen sulfide is the Black Sea, whose total volume is increasing annually by 4-9 million tons. The paper dwells on several methods for extracting hydrogen sulfide from the Black Sea basin, as well as associated difficulties. It also presents methods for the decomposition of hydrogen sulfide, of which special mention should be made on the plasma-chemical membrane technology.
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The dynamic privatization and foreign direct investment
Статья научная
The article examines the relation between foreign direct investments (FDI) and privatization. It reveals hypothesize of privatization has an impact on FDI as the process of attracting the investors. Moreover, the privatization appeals capital inflows, fundraising, new technologies, improvements in human capital, new managerial skills and improved corporate governance. Therefore, the investors are interested in privatization process in companies. As result of it, the FDI causes environment of competition among companies and provides government to develop investment climate.
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Статья научная
The study of the nitrogen cycle in nature is of great importance, because as a result of anthropogenic impacts the small changes cause the chemical pollution of the soil. The effect of anthropogenic and environmental factors to the productivity of azotobacter cultures on the soils of the Ganja-Gazakh natural economic zone has been described in the article.
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Статья научная
Worldwide economic environments are significantly shaped by industrial cooperation, which also affects the efficacy and efficiency of economic initiatives. This paper explores the complex aspects of industrial cooperation and how they affect economic effectiveness. Through an analysis of different types of cooperation, such as supply chain integration, joint ventures, and strategic alliances, this study clarifies the ways in which cooperation promotes competitiveness and economic progress. The study examines how industrial cooperation promotes innovation ecosystems, improves technological dissemination, and optimizes resource allocation through an interdisciplinary lens that draws from economics, management, and sociology. Additionally, it looks into how cooperation might lower transaction costs, promote economies of scale, and mitigate market failures. The research does, however, also recognize the difficulties and the negative effects of industrial collaboration, such as the expense of coordination, information asymmetry, and the possibility of anti-competitive activity. This article emphasizes how crucial it is to foster collaboration between various industries and businesses in the Republic of Uzbekistan in order to advance economic growth and pave the path toward modern society's well-being. Furthermore, pragmatic strategies for elevating creative processes to a new plane were taken into account. We looked at how various industrialization strategies at the national and international levels of the economy show up in real life as well as the policies that need to be put in place in our nation to go in this direction. The method's benefit is emphasized.
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Статья научная
In the paper have been defined third party logistics as an external logistics service provider offering single or multiple logistics activities to its customers, which typically is on contract basis. There are developed economic model, the organization of work of the company level 3PL and 4PL.
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Статья научная
Sustainable farming practices include a variety of approaches. The most important approach to sustainable agriculture is crop diversification. This allows farmers to use biological cycles to minimize costs, conserve the resource base, maximize crop yields, and reduce environmental risk. It serves as an important opportunity to augment income and employment generation for rural communities. In contrast to specialized agriculture, crop diversification can be defined as an attempt to promote crop diversity through crop rotation, perennials or mixed cropping with the aim of improving crop performance, sustainability and supply of ecological systems. This can be a step towards more sustainable production systems, value chains for small crops and socio-economic benefits. Expanded agricultural diversity, better crop rotations, mixed cropping, cultivation of grain legumes in systems that are generally dominated by cereals, perennials, and regionally adapted (specialized) varieties are all examples of crop diversification strategies. As a result of the research carried out in the article, it can be noted that by carrying out the crop diversification under the irrigation and the same cultivation conditions, it is possible to obtain high and quality grain products from the varieties of feed peas Azerbaijan 1508 (green mass), wheat Gobustan and barley Jalilabad-19. This method is considered to be efficient both economically and cultivatically.
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Статья научная
The erythroformula and leucoformula indicators changed in the rabbits that experienced hypokinesia during the embryonic stage of pregnancy. Compared to the rabbits that spent the pregnancy period under normal conditions, changes in concentrations of leukoformula indicators such as leukocytes, lymphocytes, monocytes, and granulocytes were detected in rabbits exposed to hypokinesia. While significant changes in erythroformula indicators: erythrocytes, average corpuscular volume of erythrocytes and hemoglobin capacity, erythrocyte sedimentation rate did not occur. The results of our studies have shown that prenatal hypokinesia causes noticeable changes in the blood coagulation system. On the other hand, changes in the coagulation system under the influence of prenatal hypokinesia were found to occur in the first periods of postnatal ontogenesis, had a continuous nature, and were maintained until the full maturity of postnatal development. Due to the effect of the hypokinesia factor, the changes in the mentioned indicators lead to the emergence of severe pathological diseases in most cases.
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The effect of innovative hydroponic feed technology on poultry performance in private farms
Статья научная
The research was carried out at the Scientific Research Veterinary Institute and in the subsidiary farms of the Khachmaz district (Azerbaijan). The article presents data on the development of poultry farming and food production. To develop a rational and proper feeding of poultry, the addition of antibiotic-effective plants with high nutritional qualities, to the feeding of chickens was used. This led to an increase in meat productivity, a reduction in feeding costs, and an improvement in productivity. Thus, an experiment was conducted by adding the antibiotic-effective plants of sorghum, licorice root, amaranth grain and hydroponically germinated corn, barley, amaranth and sorghum grain to the feed share of young birds to study the effect on meat productivity.
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The effect of salt solutions on the DMDH enzyme activity in the Hordeum vulgare primary incubation
Статья научная
Plants are subjected to a wide range of environmental stresses which reduces and limits the productivity of agricultural crops. Two types of environmental stresses are encountered to plants which can be categorized as abiotic stress and biotic stress. The abiotic stress causes the loss of major crop plants worldwide and includes radiation, soil salinization, floods, drought, extremes in temperature, heavy metals, etc. Abiotic stresses such as drought (water stress), excessive watering (water logging), extreme temperatures (cold, frost and heat), soil salinization and mineral toxicity negatively impact growth, development, yield and seed quality of crop and other plants. In future it is predicted that freshwater scarcity will increase and ultimately intensity of abiotic stresses will increase.
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The effect of some elements of cultivation in stubble on the glycine max performance
Статья научная
In the irrigation conditions of Azerbaijan, the cultivation of Glycine max in stubble fields after harvesting the barley crop along with spring sowing is also economically very important. Sowing in stubble fields makes it possible to obtain additional grain yield and fodder from a single area, and to use reclamation facilities efficiently. At this time, the soil is provided with organic matter for autumn planting, and at the same time salinization is prevented, soil erosion and weed control issues are fully resolved. Cultivation of stubble field crops in large farms increases the possibilities of more efficient use of labor force, irrigation networks, agricultural machinery and equipment. During the conducted research, different results were obtained regarding the effect of different irrigation regimes and fertilizer rates on soybean grain yield. The resulting productivity depended on the plant coverage factor, leaf surface area, changes in wet and dry biomass. The smallest indicator of the yield was 10.0 centners in the variant with soil moisture of 60% before irrigation, and the highest indicator was 25.8 cwt/ha in the variant of the fertilizer rate calculated when the soil moisture was 80%, which is the same as the yield obtained from the autumn sowing of barley of the previous year (39 cwt/ha) together, it is equal to the yield of 67.9 cwt/ha from 1 hectare of land in one year.
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The effectiveness of fiscal and monetary policy: case of Uzbekistan
Статья научная
The article examines an effectiveness of government monetary and fiscal policy for Uzbekistan by constricting IS-curve for goods market and LM-curve for money market, simultaneously. For the both markets equilibrium interest rate is also determined. The results show that the variables are co integrated, that the variables have long-run or short-run equilibrium relationship between them. According to the empirical results, the long-run equilibrium interest rate for covered period was 22.0% for Uzbekistan, for the current period we recommend the equilibrium interest rate around 15%.
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Статья научная
Pneumothorax is a pathological condition characterized by the accumulation of air in the pleural cavity, which leads to loss of negative pressure and collapse of the lung. Traditionally, pneumothorax is divided into traumatic and spontaneous, if in the first case the cause is clear, then in the second case, the diagnosis is sometimes difficult. Particular interest to thoracic physicians is spontaneous pneumothorax (SP), which often develops as a result of rupture of a bulla or bleb. Drainage of the pleural cavity is an effective method of treatment, it allows to stop respiratory failure and straighten the lung in the shortest possible time. The problem remains the high recurrence rate, which, according to the literature, ranges from 20 to 40% after the first episode of pneumothorax. Describe the main causes of pneumothorax. Describe the possibility of using chemical pleurodesis (CP) to prevent relapse. Evaluation the efficacy and safety of CP with iodpovidone. The study was made on the basis of the clinic named after I.K. Akhunbaev National Hospital of the Ministry of Health of the Kyrgyz Republic in the Department of Thoracic Surgery. The study included 115 patients with pneumothorax of various etiologies who were treated in the department from September 2015 to February 2023. The control group included 62 patients, here traditional treatment was carried out by drainage of the pleural cavity. The number of people in the test group was 53, here, after complete expansion of the lung, a CP procedure was performed in order to prevent recurrence. If the patient underwent only drainage of the pleural cavity, then the recurrence rate was compared. If the patient underwent thoracotomy with bullectomy, then the frequency of postoperative air leaking was assessed. The safety of the technique was assessed by the main indicators of hemodynamics, temperature and pain response. CP with iodpovidone after drainage of the pleural cavity, as well as as the final stage of open thoracotomy, turned out to be 100% effective in preventing recurrences, as well as postoperative air leaking. Statistical processing showed the safety of CP with iodpovidone. CP with iodpovidone can be successfully used as a prevention of relapse, as well as the prevention of postoperative air leakage. The positive effect was in 100% of cases with minimal side effects.
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Статья научная
This article discusses the effectiveness of Web technologies on students’ self-study work in the English language learning process and gives the reasons of the need to create a new model for its organization. The experience of language preparation in the process of teaching languages at the Tashkent State University of Economics is presented in the article. The importance of the Web technologies in model of organization of students’ independent work is developed and scientifically justified. The results of experimental studies aimed to test the effectiveness of the developed model of formation of professionally language competence of students are given in this paper.
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The embodiment of humiliation and terror against Jews in the novel Night by Elie Wiesel
Статья научная
The article studies the Holocaust reflection in the novel Night by American-Romanian author, laureate of the Nobel Prize Elie Wiesel. Being a prisoner himself, created the best works about the Holocaust repressions and tortures of the Jewish nation by Nazi during the Second World War. The article is aimed to give a new definition to the concept of “Holocaust” on the basis of a literary analysis of the suffering of Jews through the eyes of survivors in concentration camps. The methodology of analysis, based on a combination of cultural, historical and biographical approaches to the novel, enables to reveal the new explanation of the phenomenon which incorporates humiliation, discrimination, repression and extermination.
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The energy circuit of the exhaust gas heat recovery circuit of a 25 kW diesel generator
Статья научная
The purpose of the work is to describe the installation using differential equations and obtain approximate values before the experiment. In this paper, a constructive scheme of the experimental device is proposed, and the principle of its operation is described in detail. The power circuit of the device has been drawn up. Complex impedance, frequency function, amplitude-frequency characteristic and phase-frequency characteristic are obtained by mathematical transformation of the power circuit. The frequency response of the circuit is constructed. As a result of the calculations, we will obtain the amplitude frequency response and the phase frequency response. Using the found values of the characteristics, we will build graphs and draw conclusions about how the characteristics depend on the change in parameters and why the graph lines of the graphs are exactly the way they are.
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