The “Scientific and Technical journal of Namangan Institute of Engineering and Technology” is a window into the world of advanced research in the field of technic, economics and chemistry. It aims to reveal to readers modern methods of primary processing of cotton, textile and light industry, Growing, storage, processing and agricultural products and food technologies, Chemical technologies…
| Nashriyot | Наманган муҳандислик-технология институти |
|---|---|
| Shahar | Namangan |
| ISSN | 2181-8622 |
| e-ISSN | 1682-8658 |
| Tashkil etilgan | 2023 |
| Nashr tillari | Ingliz, Rus |
| Nashr davriyligi | Yiliga 4 marta (choraklik) |
| Maqolalar soni | 650 |
| OAK holati | Ro‘yxatda |
This study investigates the initial and post-activation oxide and elemental composition of tar material selected as the raw feedstock for adsorbent production. The research provides a foundation for determining the…
Hybrid composites of water-soluble acetyl cellulose and sodium carboxymethyl cellulose were synthesized using the sol-gel method. Their Fourier-IR spectroscopy and thermal stability were studied in the temperature range…
At present, during new construction of trunk oil pipelines, as well as during re-insulation of existing pipelines for their anti-corrosion protection, various insulation materials and protective coating designs are…
The activation process by thermal pyrolysis is critical in producing carbonaceous adsorbents based on local food waste. This article describes the initial pyrolysis and carbonization processes for obtaining activated…
This work describes the synthesis of acetylene amino alcohols based on the aminomethylation of secondary acetylene alcohols in a 1,4-dioxane solvent medium, using formaldehyde and hydroxyl-containing or heterocyclic…
Development of intensive productivity in modern conditions, creation of quickly and regularly productive varieties of agricultural crops, allowing to grow as much as possible and high-quality products per unit of sown…
The composition of the essential oil and hexane extract of air-dried roots of Perovskia kudrjaschevii was studied using the GC-MS method. It was found that the main component of the essential oil is 1,8-cineole. Five…
In recent years, the demand for environmentally friendly and economically efficient adsorbent materials has been steadily increasing. In this regard, the production of adsorbents from renewable resources—particularly…
This article presents experimentally obtained values of the differential enthalpy of methane thiol (methanethiol) adsorption in sodalite at a temperature of 303 K. The enthalpy values were measured using a Tian-Calvet…
This article discusses adsorbents used to reduce water and air pollution, which is one of the current problems of our time. The importance of adsorbents today has been studied. Methods of their production and sources of…
This review article is devoted to chitosan-based nanofibers combined with synthetic polymers—promising materials with a wide range of applications in biomedicine, filtration, and food packaging. Modern methods for…
This article presents the results of a study aimed at determining the expected economic efficiency in the production of cream-perfumed soaps based on non-traditional oil-based raw materials. The research includes data…
This article studies the effect of solvent compositions obtained by mixing extraction gasoline with other organic solvents, especially ethanol and acetone, used in traditional technology for processing cottonseeds by…
This article analyzes the increasing economic activity of small and medium-sized enterprises (SMEs) in Uzbekistan under the conditions of globalization, with particular emphasis on the growing trend of outsourcing…
The article reflects a certain amount of dust from cotton, the problems of health care, the content of health care standards, the lack of compliance with the airspace, the atmosphere, low-quality effectiveness, and all…
Cotton fiber is one of the main products of the textile industry in the world. Research work is carried out aimed at delivering raw cotton to processing processes while preserving its natural parameters and developing…
The researchers made a significant contribution to the theoretical development of the ginning process. Having studied the composition of the raw material roller, the nature and speed of ginning, the theory of seed…
This research study studies the processes of quality control and analysis of clothing products. The work provides information on the quality indicators of clothing products, their assessment criteria, control methods…
Maqolada yog 'kuch transformatorlarining magnit yadrolarida uzoq muddatli ishlash natijasida energiya yo'qotishlari tahlil qilinadi. Tadqiqotda yuksiz rejimdagi magnit yo'qotishlar - histerezis va girdab oqimlari…
This work analyzes the denominator of the transfer function of second-order elements widely used in modern automatic control systems - the characteristic equation. The transfer function is calculated and derived, and it…
Ushbu maqolada maktabgacha ta’lim muassasalarini davlat-xususiy sheriklik (DXSh) asosida moliyalashtirish jarayonlari tahlil qilinadi va ushbu muassasalarda hozirgi samaradorligi o‘rganiladi. Maqola davlat maktabgacha…
This article investigates the aminolysis of secondary polycarbonate (IPC) (commonly found in car headlights, rims, polymer roofs, etc.) and monoethanolamine , (MEA) (GOST 10136-77 , produced in the Russian Federation)…
This article is devoted to studying the effect of the thickness of the slices and the type of transparent coating material on the efficiency of solar drying of eggplant slices. The experiments were conducted in a solar…
This article focuses on developing communicative competence among seventh and eighth-grade students in Uzbekistan’s secondary schools, proposing a specialized module aimed at enhancing language skills. Given the rising…
This study investigates methods for developing the lexical competence of future English teachers, a critical component of language proficiency essential for effective teaching. Through a mixed-method approach involving…
Digital modeling of heat transfer processes in oil power transformers is a very important tool for determining their thermal state and assessing their reliability. Based on the results obtained during the study, the…
It was found that in the first 4 hours of the solar installation, the residual mass dries up to 67%, 38%, 17%, and 13%. In direct sunlight, it has been determined to dry up to 75%, 43%, 18%, and 12%. These results…
Purpose of the work. There are various methods for preventing scale formation on heating surfaces and cleaning surfaces from scale: chemical, mechanical, and methods related to the management of hydrodynamic modes…
Due to the impact of humanity’s technosphere and environment, the number of various types of emergencies is increasing. Among them, fires stand out due to the significant damage they cause. This is because such…
Today, due to the impact of humanity on ecology and the environment, climate change has emerged in many regions, and the number of emergencies is increasing. As a result, serious damage is being caused to people's lives…
In the conditions of market relations, the financial policy of the state plays a decisive role in achieving the specific goals of ensuring the socio-economic development of the country. Financial policy creates…
This article discusses modifications made to the State Standard 3927-88 footwear template for creating orthopedic footwear for patients with ankle joint injuries. Based on these modifications, an orthopedic footwear…
The high material and energy consumption of the analyzed fiber separation devices from fibrous waste and the uncertainty of fractionation reduce their efficiency, and the inability to separate fibers simultaneously…
This article highlights that the modification with varying amounts of organomineral modifier primarily improves parameters that lead to an increased service life of road bitumens, as supported by data obtained from…
This article presents information on the physicochemical properties of the selected raw materials based on local materials and the technology for obtaining an organomineral modifier from it. To modify road bitumens and…
This article explores the process of continuously discharging heavy mixtures from the working chamber of a sedimentation device. It examines the designs of the relevant mechanisms and highlights their shortcomings. The…
This article presents the results of an experiment conducted to analyze the movement of cotton seeds under the influence of a screw conveyor. It should be noted that an increase in work productivity leads to an increase…
Increasing production capacity in the cotton primary processing industry by energy-efficient methods and the rapid introduction of automation methods in the cotton industry have increased the demand for better process…
In this article, an improved design of the device for trapping heavy impurities in raw cotton material is recommended. Theoretical studies have been conducted on this design and the results have been obtained. As a…
The increase in the mass of the cotton pieces slows down the movement and the speed of movement. This, in turn, has a positive effect on the ginning process. From the graphs of the distance traveled and the speed, it…
The review of scientific research works devoted to the improvement of the linterization process is devoted to the analytical analysis of literary sources and the current state of technology and technology of the…
The article considers the strength of saw blades for conventional and hexagonal shafts. The maximum stress is determined to be 191 MPa and 193 MPa, the maximum displacement is 0.048 mm and 0.026 mm, the maximum…
Insufficient smoothness of the saw cylinder shaft leads to impermissible misalignments in the gap between the columns, which has a very negative effect on the grinding process. In this case, using the method of…
This article examines the static analysis of a split-cylinder shaft and the process of calculating its torsion angle along with its strength. Using static analysis, forces, moments, stresses, and deformations acting on…
Abstract. In this article, we will discuss the identification and mechanism of the application of microorganisms to fertilizers in soil processing. This will help to provide microbiological fertilizer research processes…
All spinning products, from staple fiber to yarn, are uneven in both linear density and texture. The greater the unevenness, the worse the quality of the product. There are various reasons for unevenness. The impact…
Corrosion occurs as a result of friction between moving parts of machines, which leads to the destruction of surfaces. As a result, the dimensions of parts change and the deviation from the required technical and…
The crankshaft group (crankshaft, main and connecting rod bearings) is one of the most critical units of a diesel locomotive, which largely determines its service life, as well as reliability, timing, volume and cost of…
The article analyzes the modern range of compression materials, highlighting key factors such as the elasticity, deformation, and abrasion resistance properties of the materials. In the process of designing compression…
The article discusses the results of a refining technology for processing long-stored sunflower oil. After adding a filtering agent in the amount of 0.1-0.3% to the same oil samples, an increase in the oil filtration…