The purpose of this article is to show and compare two different approaches to determine the period of free electromagnetic oscillations in an ideal oscillation circuit - elementary and Lagrange method. While the elementary method relies on traditional electrical circuit analysis methods, the Lagrange method approaches the problem from the point of view of classical mechanics. Emphasis is placed on how the relationship between classical electromagnetism and the Lagrangian formalism can be better explained by revealing the basic principles and computational techniques associated with both methodologies
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The tourism industry is one of the fastest growing industries in recent years. According to the forecasts of the World Tourism Organization (WTO), tourism has come second to the oil and machine industries. In recent years, the tourism industry has become one of the leading sectors of the rapidly developing economy in Uzbekistan. Due to its rich cultural and historical heritage, the number of tourists in Uzbekistan is increasing every year
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This in the article immutable coefficient second in order one sexual differential equations analytical solve methods using Maple math from the package using, solve, obviously practical in matters this the process show the issue of solving algorithm and program Create in the eye caught.
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This article provides information on the mathematical model of the stabilization of vibration movements of hydraulic systems of vehicles and the theories of control stability and stabilization of hydraulic systems dynamics.
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The article presents the technological processes of extracting activated mineral powder from shale rocks using a centrifugal impact mill, and the results of comparison of the activated mineral powder produced in this technological process with the requirements of the normative document.
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Based on the results of the studies, the authors note that in all variants of the experiments, regardless of the supply of soil with nitrogen, phosphorus and potassium, the maximum content of both chlorophylls and carotenoids falls on the phases of flowering and fruit formation, and the minimum during the periods of budding and ripening of artichoke seeds. It was also revealed that a decrease in the supply of soil with nitrogen, phosphorus and potassium, especially the exclusion of one of the main elements of mineral nutrition, leads to a significant decrease in the content of photosynthetic pigments in the leaves of the prickly artichoke (Cynara scolymus L.). Thus, in the medicinal plant spiny artichoke (Cynara scolymus L.) in developmental phases, under different conditions, mineral nutrition has a significant effect on the content of plastid pigments. It was found that the exclusion of phosphorus from the nutrient mixture led to the strongest decrease in photosynthetic pigments in the leaves of the spiny artichoke. It has also been proven that the exclusion of not only phosphorus, but also one of the main elements of mineral nutrition leads to a decrease in plastid pigments
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In the article, scientific-research works were carried out on the effect of types of mineral powder on the strength of the asphalt-concrete mixture. By grinding shale rocks, limestone material, and ozokerite material into powder under the same conditions with the help of a centrifugal impact mill, their mutual properties were compared. Experiments were conducted to study the adhesion of mineral powders crushed with the help of a centrifugal impact mill to flint by forming a binder with bitumen. Laboratory tests on the compressive strength and shear resistance of fine-grained hot asphalt concrete mixtures with the addition of these three types of mineral powders were conducted and the results are presented
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In the article, the density of the hot dense asphalt concrete mixture with the addition of activated mineral powder from the Slanesli rock increases, the water absorption index of the asphalt concrete mixture decreases, and the compressive and shear strength increases, the pavement strength increases under operational conditions at high temperatures
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The authors of the article describe the expansion of accounting that is used in enterprises, indicating the report of administrative and business expenses and business trips in organizations. It is indicated how to correctly build an accounting system at an enterprise in modern conditions. The authors revealed that accounting must be maintained in order to monitor the financial position of the enterprise and in order to be able to evaluate the results of its activities. Also, apply a simplified taxation system and maintain accounting records in accordance with the law.
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In current research it was biofabricated nanobiomaterial with 46.3% Ag-, 9.0% Ag2О-, 3.5% AgО-, 20.6% Cu- and 20.6% Cu2О-nanoparticles or 57.7% Ag, 39.0% Cu or 3.4% О on the basis of exopolysaccharide matrix of Azotobacter chroococcum XH2018. The crystal properties of the nanobiomaterial was characterized with the help of XRD (X-ray diffraction).
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SCIENCE & INNOVATION