Vol. 2 No. 05 (2022): Volume02 Issue05

Over the past decades, the efficiency of industrial vehicles, their power, economic and environmental performance, reliability and durability have increased significantly. Despite this, fleet operating experience shows that a significant proportion of vehicles are operated with malfunctions that lead to a decrease in their performance.

Products of petrochemical industries are necessary for every modern person, thousands of enterprises in various industries. A result of the distillation of crude oil, cyclohexane ended up in naphtha, it was sent to catalytic reformers, where it was processed into benzene. Based on the results obtained in the laboratory for the synthesis of cyclohexane using ethylene, tests were carried out in the central laboratories  Shurtan gas chemical complex. When analyzing the resulting product using gas chromatography, it was found thatabout 17.5% cyclohexane was formed. The technical parameters of the products (butadiene-1,3 and cyclohexane), synthesized by the staff of the National University of Uzbekistan and the Central Laboratory of the Shurtan Gas Chemical Complex, give approximate properties to imported cyclohexane at the JSC of the Shurtan Gas Chemical Complex.

Inside the gift examination on the effect of nitrogen component investigation on outflow of isoprene from Ficus glomerata has been assessed. Four arrangements of plants were treated with following four portions of nitrogen component inside the assortment of nitrate goal (I) ten millimeter (ii) fifty millimeter (iii) 100 millimeter (iv) 200 (mm) and the board set was planned with none treatment. nitrogen component treated moreover as the board plants were examined for isoprene outflow utilizing a powerful move through nook chamber strategy and tests were investigated with the help of GC-FID. Isoprene outflows from the board, 10 mm, 50 mm, 100 mm, and 200 millimeter nitrogen component treated plants, Isoprene outflows were found to expand dramatically in plants treated with nitrogen component up to 100 millimeter. regardless, plants treated with 200 millimeter nitrogen component displayed decline in outflow by 46%, very likely by virtue of nitrogen bunch harmfulness and decrease in soil pH scale at high nitrogen component portion.

The Uster HVI system reflects the assessment of the colour of cotton fibre on the basis of international universal standards and the replacement of the subjective visual assessment of the colour of cotton fibre in Uzbekistan by objective instrumental measurement

The new Ento-Dephol showed a high result when cotton causes open 30-40% while using 0.20 litres of defoliation for each hectare to defoliate cotton artificially.7.0 litres use of defoliation gave better results regarding the other alternatives.

The Uster HVI system evaluates the colour of medium staple cotton fibre based on the international universal standard and replaces the subjective visual colour assessment of Uzbek cotton fibre determined by the classifier with an objective instrumental measurement.

The article defines the installation angle and the height of the working body of the preplant equalizer depending on the movement of the soil in front of the working body and the friction force between the working body and the soil.

The article investigates the liquid extraction of valuable and rare metals from dumps of mining and metallurgical plants in an extractor with an increased contact time. The design, and the principle of operation of a bubbler extractor with an increased contact time based on pneumatic mixing are studied. The hydrodynamic parameters of continuous extraction without loss of valuable metals in the apparatus are studied.

The article describes the results of experimental studies on the analysis and improvement of existing methods for determining the thermal conductivity of liquid composite heat-insulating coatings.

The article recommends the hydrodynamic modes of the wet dust collection and gas cleaning apparatus. The results of an experimental study on the determination of hydraulic resistance in a wet dust collector and gas purifier are presented. In studying the effect of the working bodies on the gas flow, defined and comparative graphs were constructed for different values of hydraulic resistance and variable factors. Empirical formulas were obtained to adequately describe the process using the least squares method for experimental results and graphical dependencies.

The article proposes a new design of the device for wet cleaning of dusty air and gases, high efficiency, energy saving, compact blade-drum. On the basis of theoretical studies, the effect of hydraulic resistance to dusty air supplied to the apparatus was studied and an equation calculating the total pressure lost was obtained. As a result, it is possible to determine the dust air consumption depending on the optimal value of the total pressure.

The work focuses on the analysis of modern energy-saving home appliances that can save electricity. The main indicators of electricity quality and ways to improve them, the analysis of the energy balance of electricity consumption, the issues of saving electricity and increasing the power factor by improving the operation of electrical equipment and electrotechnological devices were presented. Suggestions and recommendations were also made on energy saving measures in the lighting and power grids.

At present, several modern teaching methods are widely used in the educational process. The use of modern teaching methods ensures high efficiency in the teaching process. When choosing teaching methods, it is advisable to choose based on the didactic function of each lesson. The use of computer technology in teaching higher education students the topic "The use of BIM technologies in urban planning" remains one of the modern requirements.

This article sets out the tasks for monitoring the operational characteristics of vehicles. In addition, the longevity of the car, the suitability for loading and unloading, ease of loading and unloading of passengers, the level of safety, the reserve of the vehicle in the distance before maintenance or repair, the complexity of these works, the number of seats for passengers convenience, protection of the body or cabin from rain and dust, heating and ventilation efficiency, noise reduction and other similar indicators.

The review researched the effect of progress in Style and Textures coursework prerequisites from two pieces of clothing to one at Customary Level. A contextual investigation of four schools in the Lower Gweru bunch in the Midlands region in Zimbabwe was utilized to determine what the change has meant for time utilization, content inclusion and abilities displayed by understudies. The one article of clothing strategy was acquainted with diminish material expenses paid by guardians and to decrease the work on understudies. Anyway the advantages of the strategy have not made an interpretation of and to an ascent in the quantity of understudies enlisted for the subject. The graphic study configuration was utilized to gather information from eight educators, four school heads and four classes of understudies. Information was gathered utilizing surveys, meetings and center gathering conversations. The outcomes showed that the one article of clothing strategy has carried with it advantages, for example, decreased costs, more than adequate chance to complete the coursework article of clothing and time to focus on different parts of the prospectus. The misguided judgment noted on the necessities of the arrangement was that students were not being presented to sufficient viable work. It is suggested that educators ought to build the number and kinds of pieces of clothing made by understudies from Structure one to Frame four. Guardians ought to likewise give commonsense necessities on time so understudies and educators the same might partake in the advantages of the one article of clothing strategy.

This article discusses foreign experience regulation and regulation, which shows that regulation are set specifically for each city and, as a rule, for the site and contain indicators similar to those contained in domestic rules land use and development. These indicators regulate the intensity the use of residential areas and the type of development, depending on position in the structure of the city. In some cases, there are standards for the provision of the living environment with parking spaces, landscaping and places for recreation and games. Great importance is given to questions compliance with the context of development and privacy of residential spaces.

The results of the study of the structures, compositions, and physicochemical properties of the ingredients are presented. The possibility of using them in the development of composite chemicals for treating cotton seeds is shown.

Study of the range of knitted fabrics and clothes made of them, physical and mechanical properties of its structure, the shape and size of the rings, the thickness and thickness of the thread, the thickness and strength, artificial fur.

This article presents the results of field tests of an innovative capacitive solar water heater for 200 liters. Which has a number of advantages unlike standard water heaters in low cost, ease of manufacture, ease of operation, reliability, local materials, long service life, ease of repair, transportability, lighter weight, no heavy tubular structures, the capacitive innovative solar water heater design developed by us is necessary in rural areas for dekhkans and farmers.