The article discusses the use of digital technologies to optimize aviation production. The methods of CNC, computer modeling, Big Data and IoT analysis are considered. The main focus is on improving the production of aviation components through reducing time and costs, improving quality and competitiveness
14.04.2024 Volume 3 Issue 4 View more Download
In the article, the nature and necessity of training qualified personnel in the innovative development of agriculture and the factors affecting it are scientifically and theoretically researched. The process of improving the scientific and methodological bases of determining the demand for highly qualified and highly educated personnel in agricultural specialties and the efficiency of their activities is brought to a systematic basis. The possibility of applying the positive experiences of the system of training qualified specialists and highly educated personnel for agriculture in foreign countries in our country has been analyzed. Develop conclusions based on the analysis of the current state of the system of providing qualified personnel with higher education in Uzbekistan's agriculture; scientific proposals and practical recommendations on improving the mechanisms of state support and encouragement of the system of training qualified personnel in the agricultural sector have been formulated
14.04.2024 Volume 3 Issue 4 View more Download
This study examined the effect of adding metalloid is a type as a modifier on changes in the mechanical properties, microstructure, and wear mechanism of high-Mn steel. Several tests were carried out with different metalloid contents in the austenitized state. Microstructural changes were assessed using optical microscope and field emission scanning electron microscope (Fe–SEM) equipped with an energy-dispersive x-ray spectroscopy (EDX) detector. Analysis was carried out for changes in mechanical properties. Metalloid had a positive effect on the results of all mechanical tests, with particularly distinctive performance observed in the impact, tensile and friction tests. Industrial tests were carried out, the teeth of the mining excavator were cast from this steel composition and submitted for industrial testing. The readings of the shipped rock and the remaining length of the nose of the teeth served as indicators for assessing the efficiency. The final conclusion of the industrial tests was an increase in the productivity of excavator teeth made of modified steel high-Mn by more than 40% compared to standard teeth.
13.04.2024 Volume 3 Issue 4 View more Download
This article highlights the possibilities of expanding the legal consultation of this process for the development of the walnut business in the Republic. Uzbekistan is one of the leading countries with economic potential and opportunities among Asian countries. Special attention is being paid to modernization and diversification of the country's economy, increasing the export potential of the agricultural sector, and taking a worthy and solid place in the world market. Walnut cultivation, development of the sector on the basis of modern technologies, walnut varieties capable of producing products that meet the requirements of the world market, introduction of economical and digital agro-technologies will ensure improvement of product quality and increase of labor productivity in the network
13.04.2024 Volume 3 Issue 4 View more Download
This article provides recommendations for managing the fleet of agricultural machinery based on innovative technical systems and improving the mechanism for providing technical services. In particular, the need to manage the fleet of agricultural machinery of clusters specializing in cotton and textile production based on innovative technical systems is recognized. Innovative technical systems are recommended to introduce technical service departments (operation of the agricultural machinery fleet, routine maintenance and storage), technical (dealer) service departments (provision of mobile and stationary services, provision of spare parts), service departments for the restoration of agricultural machinery and equipment (purchase, repair and resale of faulty machinery and equipment, restoration of resources of parts and spare parts, replacement of parts, spare parts and sale), departments of integration of science and production (application of innovative equipment and technologies in production, introduction of achievements of science and technology in production, advertising of new innovative equipment and technology).
13.04.2024 Volume 3 Issue 4 View more Download
This article presents practical studies on the assessment of trends in the development of agriculture in the Republic of Uzbekistan and identification of export problems, as well as the relationship between agricultural franchise structures and advertising, marketing and consulting services
10.04.2024 Volume 3 Issue 4 View more Download
The article discusses the problems of investing innovative processes in the national economy of Uzbekistan. In particular, the author analyzed the current state of investment in the innovative development of the national economy, assessed the practice of stimulating innovation and investment activity in Uzbekistan, developed scientific recommendations to increase investment and innovation activity in the sectors of the economy
04.04.2024 Volume 3 Issue 4 View more Download
In this work, the process of aminolysis of secondary polyethylene terephthalate (SPET) with monoethanolamine (MEA) at low ratio was investigated. The composition, structure and yield of the products formed as a result of the aminolysis process were studied. aminolysis product was selected in a ratio of 1:4, mixed in hot water at a temperature of 90±2 oC for half an hour, washed and filtered while hot. The solid product remaining on the filter was obtained in second fractions. The filtrate was cooled to room temperature and a white precipitate formed. After that, the precipitated fraction was filtered again. The rest of the filter was dried at a pressure of 0.92 kg force/cm2 and a temperature of 75 oC until the mass did not change. The separated second fraction has a melting temperature of 217 oC and a molecular mass of 1000. In the IR-spectrum of the obtained product, the 1.4-substituted aromatic group has a secondary amide group, a methylene group and a primary hydroxyl group. We also engaged NMR to get more information. In the NMR 1H structure of this product, the proton in the amide group (8.59 m.u), the protons belonging to the aromatic group (7.6 m.u), the protons belonging to the hydroxyl group (4.66 m.u), the protons belonging to the methylene group connected to the oxygen atom (3.59 m.u), with the nitrogen atom there are specific signals of protons (3.36 m.u) in the bound methylene group. The ratio of the number of protons (nitrogen, aromatic group, hydroxyl group, methylene, methylene group) is 2:2:1:2:2. According to the NMR 13C spectrum analysis of the final product, there is no branching in its molecule. Thus, based on DTA, NMR, IR analysis, it can be noted that the product of aminolysis is BHETA. Up to 73% yield of bis(2-hydroxyethylene) terephthalamide was achieved by aminolyzing SPET with MEA in a catalyst-free environment.
02.04.2024 Volume 3 Issue 4 View more Download
SCIENCE & INNOVATION