OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
- Application of multi-pass ball rolling rolls in manufacture of steel grinding balls
Носиров Тулкин Нарзулла Угли, Karimova Anorgul Ruzimovna, Shakhobutdinov Rustam Erkinbaevich · Илм-фан ва инновацион ривожланиш · 2024-10-13
- Experimental studies of temperature and humidity conditions inside the solar device for mulberry silkworm cocoons pickling
Umarov Sardor Fotikhovich · Илм-фан ва инновацион ривожланиш · 2024-10-13
- Planning and optimization of experiments on the process of air separation during cotton transportation
Salokhiddinova Mahliyo Nurmuhammad kizi, Kosimov Akhtam Akramovich · Илм-фан ва инновацион ривожланиш · 2024-10-13
- Development of recommendations on designing of new assortment of overalls for workers of automobile industry
Norboeva Gulasal Narzullaevna · Илм-фан ва инновацион ривожланиш · 2024-10-13
- Field studies of reservoir drainage
Khoshimov Sardorbek Nematjon ugli, Ulashov Kudratilla Chori ugli, Arifzhanov Aibek Mukhamedjanovich, Samiev Lukmon Nayimovich · Илм-фан ва инновацион ривожланиш · 2024-10-13
- Глобал иқлим ўзгариши шароитида ғўза навларининг сув ва минерал ўғитлардан фойдаланиш самарадорлиги
Юлдошев Комил Қурбонович, Юлдошев Комил Қурбонович, Юлдошев Комил Қурбонович · Agroinnovatsiya · 2024-10-13
Ушбу мақолада глобал иқлим ўзгаришининг ҳозирги ҳолати, унинг оқибатлари, Самарқанд вилоятининг ўтлоқи бўз тупроқлари шароитида томчилатиб ва эгатлаб суғориладиган ўрта толали С-8286 ва Бухоро-102 ғўза навларининг сув…
- Salt-Resistant Concrete in Dry Hot Climates
Abobakirova Zebuniso Asrorovna · Innovative Multidisciplinary Journal of Applied Technology · 2024-10-13
The article presents data from experimental studies of the effect of polymer additives POLY – ANS on capillary absorption of concrete. It is shown that under the influence of POLY– ANS additives, the density, water…
- Characteristics of a New Lightweight Pore Filler Concrete for Building Structures in Various Climate Conditions
Abobakirova Zebuniso Asrorovna · Innovative Multidisciplinary Journal of Applied Technology · 2024-10-13
In this article, the peculiarity of the properties of lightweight concrete with new pore filler for barrier structures in the climatic conditions of Uzbekistan, the composition of the developed product and the…
- Raman Spectroscopy
Mohammad Mousa Khudair, Suha Salem Saadoun Saloum, Zahraa Hameed Najm, Abbas Ayyed Kadhim, Mohammed Baqir Subhan · Innovative Multidisciplinary Journal of Applied Technology · 2024-10-13
Raman spectroscopy is a technique within vibrational spectroscopy, which is based on the inelastic scattering of light. Since the development of the first commercial Raman spectrometer in 1953, advances in lasers and…
- Modern Concepts of the Ways of Forming the Active State in Cobalt Catalysts of the Fisher-Tropsch Synthesis
Behzod Farmanov, Guliniso Toshpulatova · Innovative Multidisciplinary Journal of Applied Technology · 2024-10-13
One of the technologies for obtaining hydrocarbons from natural gas is the gas-to-liquid (GTL) technology, based on the catalytic Fischer-Tropsch synthesis (FTS). Cobalt-supported catalysts, in particular Co/Al2O3, are…
- Drones in Surveillance
Sadiku, Matthew N. O., Chukwu, Uwakwe C., Sadiku, Janet O. · Innovative Multidisciplinary Journal of Applied Technology · 2024-10-13
A drone is an aerial vehicle designed to be used without a human pilot onboard. Drones are being used in a wide variety of applications, from surveilling perimeters to conducting 24/7 surveillance of huge sectors. Drone…
- Drones in Space
Sadiku, Matthew N. O., Chukwu, Uwakwe C., Sadiku, Janet O. · Innovative Multidisciplinary Journal of Applied Technology · 2024-10-13
Drones are being utilized across the globe for various diverse uses by commercial, state, military, and individual users. In recent years, there has been a tendency to design and develop concepts of drones and robotic…
- Структура, оптические спектры и природа электронной переходы в основы стирилов и метоксистирилов
Саломов, У.Э., Куйлиев, Б.Т., Науменко, А.П. · O‘zbekiston fizika jurnali · 2024-10-13
Using optical spectroscopy method the dependence of the electronic structure and spectral properties of asymmetric cyanine dyes − the bases of styryls and methoxystyryls − on their chemical structure, primarily the type…
- Mechanisms for forming methylglyoxal complexes with benzene and ethanol molecules. Nonempirical calculations
Norkulov, A. · O‘zbekiston fizika jurnali · 2024-10-13
The formation mechanism of methylglyoxal monomers, dimers, trimers, methylglyoxal+benzene, and methylglyoxal+ethanol complexes was investigated using the density functional theory (DFT) approach and the…
- Dynamic light scattering in aqueous solutions of γ-picoline
Bunkin, N.F., Sabirov, L.M., Semenov, D.I., Jurayev, Y.T., Kadirov, Sh.A., Umarova, G.N. · O‘zbekiston fizika jurnali · 2024-10-13
line-water solutions was established and their dynamics were studied depending on the temperature of the solution and the concentration of γ-picoline in the solution. Analysis of the research results confirms the…
- Retention of chemisorbed hydrogen in SWCNTs with endohedral nickel atoms at increased temperature: reactive MD simulation
Улжаев, У., Эргашева, А., Мехмонов, К., Мирзаев, C., Халилов, У. · O‘zbekiston fizika jurnali · 2024-10-13
Despite significant advances in hydrogen storage using carbon-based nanomaterials such as carbon nanotubes (CNTs), attempts to significant increase the hydrogen storage capacity are still lacking. This study examines…
- Features of stabilization of hydrosol of SiO2 nanoparticles
Мирзаев, С.З., Халилов, У.Б., Эгамбердиев, К.Б., Трунилина, О.В., Аввалбоев, А.А., Аллаев, Б.А., Авдиевич, В.Н. · O‘zbekiston fizika jurnali · 2024-10-13
Comparative conditions for the stabilization of hydrosol samples of polydisperse silica SiO2 nanoparticles in the size range up 66 to 375 nm are considered. Nanoparticles were obtained at the Institute of Ion-Plasma and…
- Comparative study of various types of laser active media for solar pumping in multi-rod configurations
Payziyev, Sh.D., Begimqulov, Sh.A., Sherniyozov, A.A. · O‘zbekiston fizika jurnali · 2024-10-13
The Nd:YAG, Ce:Nd:YAG, and Cr:Nd:YAG active media in multi rod configuration are investigated for solar-pumped lasers using simulation methods. A statistical model employing Monte Carlo photon tracing simulates a laser…
- Utilizing copper waste to develop silicon-carbon anode materials for lithium-ion batteries
Kurbanov, M., Avvalboev, A., Ashurov, I., Choriev, U., Ashurov, Kh., Ji, P. · O‘zbekiston fizika jurnali · 2024-10-13
This study dedicated to a novel method for synthesizing silicon-carbon (Si/C) and silicon dioxide-carbon (SiO2/C) nanocomposite anodes for lithium-ion batteries, utilizing industrial copper slags from the Almalyk Mining…
- Morphological and structural properties of antimony selenide thin films deposited with external electric field assistance
Olimov, A.N., Razykov, T.M., Кuchkarov, K.M., Мakhmudov, М.А., Shukurov, A.Kh., Makhmanov, U.K. · O‘zbekiston fizika jurnali · 2024-10-13
A method for producing a thin semiconductor film of antimony selenide (Sb2Se3) via vacuum thermal evaporation with the assistance of an electric field was presented. The morphological, elemental and structural…
- Progress in aluminum-ion battery technology: innovations in cathode materials, electrolyte chemistry, and performance enhancement
Ashurov, I.Kh., Adilov, M.M., Iskandarov, Sh.Ch., Kurbanov, M.Sh., Ashurov, Kh.B. · O‘zbekiston fizika jurnali · 2024-10-13
The review explores recent advancements in aluminum-ion battery technology, focusing on innovations in cathode materials, electrolyte chemistry, and performance enhancement. Notable developments include new cathode…
- Analysis of alternatives to the accelerating expansion of the Universe
Turaev, S.J. · O‘zbekiston fizika jurnali · 2024-10-13
Observations from the James Webb Space Telescope (JWST) in recent years pose serious challenges to standard cosmology. Such a situation prompts to reconsider the models presented as alternatives to the Lambda-Cold Dark…
- On the issue of recalibrating the main solar indices activity
Карачик, Н.В., Миненко, Е.П. · O‘zbekiston fizika jurnali · 2024-10-13
The discovery of disagreement between the main indices of solar activity − the international sunspot number (or Wolf sunspot number) and the group sunspot number − led to the need to determine the causes and factors…
- About one theory of the origin of galaxy clusters
Кутлимуратов, С., Отожанова, Н., И. Таджибаев, И. · O‘zbekiston fizika jurnali · 2024-10-13
The issues of instability of individual oscillation modes for a nonlinear nonstationary model of collapsing galaxy clusters have been studied. The instability of the model with respect to two disturbance modes is…
- A history of social network marketing terms
Ismailova Mamlakat Kurbanovna · Филологик тадқиқотлар: тил, адабиёт, таълим · 2024-10-12
Social media marketing is considered a relatively new activity. After all, not so long ago the Internet was invented and began to serve humanity. Currently, social media marketing (MSN – marketing on social networks) is…
- O‘zbekistonda eksport faoliyatini rivojlantirishdagi muammolar va ularni bartaraf etish yo‘llari
Abdulatifova Mohinur Alisher qizi · Актуар молия ва бухгалтерия ҳисоби · 2024-10-12
O‘zbekistonda eksport faoliyatini rivojlantirishdagi muammoli vaziyatlarni kamaytirish choralarini ko‘rish bugungi kunda eksport va tashqi savdo tizimidagi dolzarb mavzulardan biridir.Hozirgi kunda tashqi iqtisodiy…
- Evaluation of indicators of export volume dynamics in the republic of Uzbekistan
Abdujalilova, Bibisora, Абдужалилова, Бибисора, Abdujalilova , Bibisora · Иқтисодий тараққиёт ва таҳлил · 2024-10-11
The research, based on the analysis of foreign economic activity indicators and the collected data, evaluated the dynamics of export volumes of our Republic in 2010-2023. Used in the analysis of dynamics series…
- Quality assessment models based on fuzzy cognitive maps for educational information system
Yorkulov, B.A., Sulyukova, L.F., Ёркулов, Б.А., Сулюкова, Л.Ф. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
The article discusses modeling the quality management system of educational information systems (EIS) using fuzzy cognitive maps, as one of the most effective approaches to solving weakly formalized problems. To…
- Employing various machine learning algorithms to predict mortality after acute myocardial infarction using GUSTO-1 medical data
Sharipov, D.K., Saidov, A.D., Шарипов, Д.К., Саидов, А.Д. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
Now in the world there are a lot of diseases threatening humanity and for these medical treatments and diagnostic methods have also improved both in practical and statistical. This paper discusses one of the most…
- Morphological analysis of nouns in English to Uzbek machine translation
Khakimov , M.Kh., Bekova, V.G., Хакимов , М.Х., Бекова, В.Г. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
The article analyzes the work done so far to create a high-quality computer translation. It also describes the approaches, challenges, and solutions in achieving semantically accurate translation in computer…
- On the efficiency of metric recognition algorithms based on k nearest neighbor
Ignatev , N.A., Tursunmurotov, D.Kh., Игнатьев , Н.А., Турсунмуротов, Д.Х. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
The article considers a solution to a two-class recognition problem using metric al gorithms based on k-nearest neighbors. The proposed solution options are: the classical KNN algorithm based on a nonparametric estimate…
- Intensional method for recognizing objects described in a high-dimensional feature space
Фазылов, Sh.Kh., Mirzaev , N.M., Radjabov, S.S., Rabbimov , I.M., Fazilov, Ш.Х., Мирзаев , Н.М., Раджабов, С.С., Раббимов , И.М. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
The paper proposes a method that belongs to the group of intensional methods of pattern recognition, the essence of which is the transition from a system of initial features to a reduced system of models of…
- Numerical study of the filtration process of low-concentrated solutions through a porous medium
Ravshanov, N., Turakulov, J., Равшанов, Н., Туракулов, Ж. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
A numerical study was conducted based on the proposed mathematical apparatus of non-stationary technology for filtering a low-concentration solution through a porous medium, taking into account the process of…
- Application of an object-oriented approach in the problem of three-phase filtration
Uzakov, Z.U., Begulov , O.U., Узаков, З.У., Бегулов , О.У. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
In this article, within the framework of a mathematical model of three-phase filtration of incompressible and immiscible liquids and gas without taking into account the difference between phase pressures and…
- Computational experiments aimed at assessing and predicting the distribution of industrial emissions in the atmospheric basin of the Tashkent region
Ravshanov, N., Nabieva, I., Равшанов, Н., Набиева, И. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
Based on the developed mathematical software, this paper presents the results of numerical calculations on the task of monitoring and forecasting the concentration of industrial emissions of pollutants (CO2, dust…
- Discrete SMWB model of computer virus transmission research
Eshmamatova, D.B., Yusupov, F.A., Эшмаматова, Д.Б., Юсупов, Ф.А. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
Today it is much more difficult to imagine life without computers. There is not a single area that a computer cannot penetrate. Everyday life is rapidly digitizing and unfortunately, more and more people among us are…
- Parallel algorithm for solving the oil filtration problem considering changes in reservoir permeability
Ravshanov, N., Nematov, A., Ismailov, Sh., Равшанов, Н., Неъматов, А., Исмаилов, Ш. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
This article presents a numerical model and calculation algorithm for solving the problem of two-dimensional oil filtration in a porous medium, in which the change in permeability value when changing reservoir pressure…
- Numerical simulation of a singularly perturbed fourth order equation by preliminary integration method
Abdurakhimov, B.F., Juraeva, N.T., Абдурахимов, Б.Ф., Джураева, Н.Т. · Ҳисоблаш ва амалий математика муаммолари · 2024-10-11
In this article, the numerical simulation of a boundary value problem for a fourth order inhomogeneous differential equation with a small parameter at the highest deriva tive is carried out using the preliminary…
- Umarali Normatov and His Contribution to the Development of the University School of Literary Criticism in Uzbekistan
Dildora Bahriddinova, · Innovative Multidisciplinary Journal of Applied Technology · 2024-10-11
The article is devoted to the study of the scientific heritage of Umarali Normatov, an outstanding Uzbek literary scholar and critic. The work analyzes the key factors that determined the formation of his scientific…
- Synthesis and studying the structural features of Ti3C2Tx (MXene) and ternary carbide Ti0.9Al0.1C
Khumoyunmirzo Gulomjonov · O'ZBEKISTON POLIMERLAR JURNALI · 2024-10-10
This study focuses on the synthesis and characterization of Ti3C2Tx, a prominent member of the MXene family known for its unique structural properties. MXene was synthesized using the selective etching of aluminum from…
- Ethnographic data of foreign authors in the study of the history of Uzbekistan
Дилшод Холмуродов · Ўтмишга назар журнали / Журнал взгляд в прошлое /Journal of Look to the Past · 2024-10-10
This article attempts to demonstrate that foreign authors have made significant contributions to the illumination of Uzbekistan's ancient history through their research, providing important and valuable information…
- Priority directions in the implementation of the state youth policy to raise the level of political consciousness of the youth of the republic of Uzbekistan
Элеонора Фердинандовна Юсупова · Ўтмишга назар журнали / Журнал взгляд в прошлое /Journal of Look to the Past · 2024-10-10
The article is devoted to the study of priority directions of the state youth policy of the Republic of Uzbekistan aimed at increasing the level of political consciousness of young people. The key aspects of the state…
- Shrines of prominent representatives of the school of sufism in the kashkadarya region as important objects of pilgrimage
Гузал Акрамжановна Эгамбердиева · Ўтмишга назар журнали / Журнал взгляд в прошлое /Journal of Look to the Past · 2024-10-10
This article examines two shrines located in the Kashkadarya region, in particular, Sufi scholars, experts in the tariqa Askar ibn Hussein Abu Turab, Abu Abdurrahman Muaz ibn Yaqub an-Nasafi al-Kasani, as well as a…
- Religious - ideological centers in Khiva khanate
Феруза Джумабаевна Таджиева · Ўтмишга назар журнали / Журнал взгляд в прошлое /Journal of Look to the Past · 2024-10-10
In this article, the spiritual significance and role of mosques, madrasahs, shrines, qalandarkhanas, khanakhs, and shrines, which were religious and religious centers in the Khiva Khanate, are mentioned. The…
- The role of historical memory in the new development stage of Uzbekistan
Илхомидин Рустамов · Ўтмишга назар журнали / Журнал взгляд в прошлое /Journal of Look to the Past · 2024-10-10
Historical memory is a concept that represents the re – manifestation, recall, appreciation of the material and spiritual wealth created by ancestors in the minds and everyday practical activities of people.Without…
- The history of light industry in the Fergana region (1920-1940)
Яхё Акбаржон угли Омонов · Ўтмишга назар журнали / Журнал взгляд в прошлое /Journal of Look to the Past · 2024-10-10
The article provides a history of the reforms that took place in the Fergana region during the Soviet rule from 1920 to 1940, focusing on the nationalization of light industry enterprises, their unification into…
- Study of the stone age in Uzbekistan before the 60S of the 20TH century
Азизахан Насировна Махмудова · Ўтмишга назар журнали / Журнал взгляд в прошлое /Journal of Look to the Past · 2024-10-10
This article is devoted to the analysis of the development of рaleolithic archeology and research in the territory of Uzbekistan until the mid-60s of the 20th century. It was emphasized that until the 1930s there was…
- Issues of cartography of territorial settlement boundaries of ancient population of Uzbekistan
Зафар Бектурдиевич Каримов · Ўтмишга назар журнали / Журнал взгляд в прошлое /Journal of Look to the Past · 2024-10-10
In the article, some considerations are presented about the borders of the ancient population of Uzbekistan, geographical situation, natural conditions, climate-anthropogenic landscape, ecology and natural resources…
- Socio-economic processes in central Asia in the first half of the 19TH century
Фируза Абдуюсупова · Ўтмишга назар журнали / Журнал взгляд в прошлое /Journal of Look to the Past · 2024-10-10
In this article, the social and economic life of the people of Central Asia in the second half of the 19th century, the lifestyle of the population, the climate and nature of Central Asia, developed cities, and the…
- Historical significance of the international montreal protocol
Хикматжон Кенжаевич Авезов · Ўтмишга назар журнали / Журнал взгляд в прошлое /Journal of Look to the Past · 2024-10-10
This article reveals the importance of the historical document by the United Nations that united the world community against the depletion of the Ozone layer, which has alarmed the scientific community since the 70s of…