OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
Currently, to improve energy efficiency in most power supply systems implemented in all industries, a frequency converter-based control system is used. The control of electric drives through a frequency converter is…
The article presents the results of a study on assessing the potential of wind energy resources in the Kashkadarya region and identifying areas with high wind energy potential. It presents an analysis of scientific…
Maqolada geotermal energiya manbalarining issiqligidan issiqlik va issiq suv ta’minoti tizimlarida samarali foydalanish jarayoni tahlil qilingan. Mahalliy iqlim meteorologik xususiyatlarini hisobga olgan holda geotermal…
This article presents the results of theoretical studies of the undershot water wheel that works effectively in low-pressure watercourses with a water flow speed of 1-4 m/s. When developing a mathematical model of the…
The article presents the results of research on the development of a micro hydroelectric power plant adapted to the water flows coming out of pumping devices located in the southwestern regions of Uzbekistan, in…
This article presents the thermal processing of biomass waste in a pyrolysis device and the process of obtaining alternative fuels based on experience and analysis. The obtained energy fuels can be effectively used in…
In the article, the processes of heat exchange in the reactor of the heliopyrolysis device with a solar concentrator are studied. Based on the conducted experiments, the optimal parameters of the heliopyrolysis device…
In this article, the share of renewable energy sources in the unit of production and its impact on energy efficiency are studied in the assessment of the efficiency of energy use in the enterprise. An industrial…
In the development of the country’s economic strategy, the problems of energy, environmental protection and ecology play a major role. Most of the conventional fuel stations have a negative impact on the environment…
A combined drying-storage device with an additional transparent surface has been developed, which makes it possible to increase the intensity of natural air convection, simultaneously dry and store apricot products, and…
Maqolada qayta tiklanadigan energiya manbalariga asoslangan qishloq obyektlarining integratsiyalashgan issiqlik ta’minoti tizimlarini rivojlantirish bo‘yicha tadqiqotning dastlabki natijalari keltirilgan. Qishloq…
В статье приведены результаты краткого анализа применения водоугольного топлива, как альтернативный энергоресурс для систем автономного топливоснабжения малых котельных установок. Выявлены основные технологические…
In the article, the methods of deaeration of water in boiler-utilizers of steam-gas devices, advantages and disadvantages, structural changes observed with the change of deaeration methods in boiler-utilizers of…
In this article, the relevance of using renewable energy sources in the storage and cooling of agricultural products, the advantages and disadvantages of using renewable energy in the storage and cooling of fruits and…
In the article, one of the most commonly used types of boiler-utilizers used in steam-gas installations is a technical description of separate deaerator boilers, the change of efficiency indicators according to the…
The installation of integrated photovoltaic panels (BIFP) systems in residential and public buildings aims to minimize the total energy demand and the associated heat and power supply system. The energy infrastructure…
This article provides recommendations for choosing the optimal design of an incubator for eggs in conditions of limited resources. The most important factors are listed, including the dimensions and characteristics of…
В данной статье представлены результаты моделирования процессов теплообмена в нестационарном режиме при охлаждении подземного природного грунтового аккумулятора холодом естественным холодом наружного воздуха…
The article describes an experimental method for determining the effect of salt water based on NaCl, MgCl2 and KCl salts on the efficiency of solar pond heat collection and their physicochemical properties. To determine…
В работе кратко проанализированы методы, стимулирующие развитие культурных растений в закрытом грунте, а также изучен спектр низкоэнергетического светового излучения, который участвует в регуляции морфогенеза растений…
This article talks about the increase in the need for electricity in the Republic of Uzbekistan and the wind energy devices that cover this need, as well as some parameters that affect their efficiency. In addition, the…
This article presents the scientific basis of the study of the possibilities of using environmentally clear wind energy devices in providing continuous and reliable electricity to the settlements located far from the…
the heat balance of the reactor of the biogas-heat pipe device is compiled in the article. Based on this balance equation, a mathematical model of air and biomass temperature change is presented. It has been determined…
The article presents schemes of hybrid heat supply systems based on traditional and renewable energy sources. A brief analysis of the existing hybrid heat supply systems was conducted and an improved hybrid heat supply…
Maqolada turizm xizmatlari sohasida innovatsion faoliyatni rivojlantirish yo‘nalishlari va innovatsion faoliyatni davlat tomonidan qo‘llab-quvvatlashning iqtisodiy mexanizmlarini takomillashtirish hamda innovatsion…
Maqolada qishloq xo‘jaligida innovatsiyalarni izchil joriy qilish orqali qishloq xo‘jaligini intensiv rivojlantirish, innovatsion ishlanmalarni moliyalashtirish imkoniyatlarini xo‘jalik toifalari bo‘yicha baholash…
The paper considers the problem of assessing the quality of educational information systems (EIS) in the context of the digital transformation of society. An algorithm for determining the quality of information systems…
Hozirgi vaqtda bilvosita quyosh quritgichlari qishloq xо‘jalik mahsulotlarini quritishda keng qо‘llaniladi. Quyosh havo kollektori bilvosita quyosh quritgichlarining asosiy jihozlaridan biri bо‘lib, quritgichga…
Jahonda shо‘r suvdan chuchuk suv olishning turli usullari qо‘llaniladi. Chuchuklantirish jarayoniga katta miqdordagi energiya talab etilganligi sababli, qayta tiklanuvchi energiya manbalari, xususan quyosh energiyasidan…
В статье на основе существующих теорий диффузионных процессов поверхностного упрочнения рассматривается получение композиционного азотированного слоя при кратковременном газовом азотировании в атмосфере диссоцированного…
Maqolada dinamik boshqarish obyektlar holatini baholash masalalarining dasturiy ta’minoti keltirilgan. Dinamik jarayonni boshqarishning adaptiv tizimini funksional sxemasi taklif etilgan. Dinamik boshqarish obyektlarini…
Transport tizimini rivojlantirishning optimal rejasi iqtisodiyotning va aholining tashishga bo‘lgan ehtiyojlarini to‘liq qondirishi, shu bilan birga transport vositalari va tarmoqlaridan foydalanish hamda ularni…
Hozirgi kunda, havodagi chiqindi gazlarni kamaytirish va minimal yonilg‘i sarfiga erishish maqsadida gibrid yuritmali avtomobillarni ishlab chiqarish yuqori suratlarda o‘smoqda. Gibrid yuritmali avtomobillarni…
Ushbu maqolada holat vektoriga nisbatan o‘lchami kichikroq bo‘lgan chiqish vektoridan doimiy teskari aloqada foydalanilganda, bitta kirishga ega bo‘lgan tizimlarda berk tizim qutblariga cheklovlar o‘rnatish usuli taklif…
Dunyoda sug‘orish tizimida nasos agregatlarini chastotaviy o‘zgartirgichlar orqali boshqarishga, nasos agregatining ish rejimlarini optimallashtirishga, hamda energiya sarfini aniqlashga katta e’tibor qaratilmoqda…
Волоконно-оптические усилители, легированные редкоземельными элементами, дают возможность усиления на широком спектре длин волн передачи оптических сигналов, имеющих низкий уровень шума, нелинейность и совместимость с…
Hozirgi vaqtda shо‘r suvdan chuchuk suv olishda quyosh suv chuchutgich qurilmalari keng qo‘llaniladi. Quyosh suv chuchutgichlari qadim zamonlardan buyon qо‘llanilsada, ularga ta’sir etuvchi omillarning kо‘pligi sababli…
Maqolada quyosh kollektorli inkubator kamerasining issiqlik balansini matematik modellashtirish natijalari keltirilgan. Hajmi 0,924 m3 boʻlgan tajriba inkubator kamerasining asosiy issiqlik-texnik parametrlari…
Hozirgi davrda butun Jahonda, shu jumladan O‘zbekiston Respublikasida, energetika sohasi taraqqiyotining asosiy yo‘nalishlaridan biri elektr energetika tizimlariga quyosh fotoelektr stansiyalarini joriy etish muammolari…
Ushbu maqolada Jizzax viloyati lalmikorlikning tog‘oldi mintaqasida qishloq xo‘jalik ekinlarining Davlat reestriga lalmikor yerlarda ekish uchun kiritilgan Langar navining maqbul ekish muddati va me’yorlarini aniqlash…
Ushbu maqolada Toshkent viloyatining o‘tloqi bo‘z tuproqlari sharoitida soyaning “Nafis” navini parvarishlashda yomg‘irlatib sug‘orish usulining tuproqdagi hajm massasi, tuproqdagi g‘ovakligi, tuproqdagi suv…
В статье утверждается, что инновационное сельское хозяйство является фактором повышения эффективности и доходов на основе теоретических и практических подходов. Цель статьи - оценить теоретические основы и потенциальные…
Maqolada bozor jamiyatidagi ijtimoiy-iqtisodiy jarayonlarning rivojlanish tendensiyalarini, turbulentlik sharoitida iqtisodiyotning barqarorligining obyektiv shartlari va mexanizmlarini tahlil qilish, ochiq ta’lim…
Buxoro bir paytlar qadimgi Ipak yo‘lidagi bekat bo‘lgan va bugun tarixiy binolar va obidalar bilan gavjum. O‘zbek tilida “Buxoro” nomi bilan yozilgan Buxoro nomini ba’zilar monastir, sanskrit tilidan tarjimasi va uzoq…
This article analyzes the theoretical foundations of structural changes in Uzbekistan and the world. At the same time, according to the results of the econometric analysis, the annual growth rate of the high-tech and…
The article analyzes the indicators of financial stability of banks and the econometric relationship between the national economy. Based on the correlation of the gross domestic product of the country and the indicators…
The article presents groundbreaking research using advanced econometric models to understand the complex relationships between infant mortality, under-5 mortality, and female mortality in foreign countries. Conventional…
This article focuses on the ongoing work in attracting foreign investments, the conditions for the sustainable development of the regions, and the conditions for strong and continuous investment and innovative…
This article, the priority tasks of introducing modern technologies to banks are researched, and several priority tasks and stages that should be implemented in the widespread use of digital technologies in networks…
This article explores new and creative approaches to funding vocational education, addressing the changing challenges of education funding. It explores innovative models, strategies and considerations aimed at ensuring…