OAK jurnallaridan yig‘ilgan 104809 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
One of the load-bearing elements of the pavement is the asphalt binder, a viscoelastic, thermoplastic substance that has the stiffness of an elastic solid body but also flows and loses energy as a viscous fluid due to…
Ushbu maqolada mikroprotsessor asosida ishlab chiqilgan kontaktsiz relsdan chiqish va gabaritdan tashqariga chiqishni aniqlash qurilmasi asosida, temir yo'l harakat tarkibining g'ildirak juftliklarining yo'ldan…
This article discusses the use of the AdaBoost algorithm for disease diagnosis based on blood parameters. The study analyzes how the algorithm adapts to various datasets consisting of blood parameters and identifies key…
Ushbu ishda ovoz orqali tanib olish masalasini yechish uchun qo‘llaniladigan usullar sharhi keltirilgan. Tanib olish tizimlarining barqaror tuzilishiga alohida e’tibor qaratilgan. Shuningdek, belgilarni ajratib…
Railway switch control systems on railway are essential to ensure safe and efficient traffic. In this article, the development of automated control systems of railway switches, their technological basis, safety issues…
Ushbu maqolada avtoturargohlar qurish va ularni to‘g‘ri boshqarish borasida fikr mulohazalar keltirilgan. Avtoturargohda joylar soni qanday aniqlanishi unga bog‘liq bir nechta parametrlar orqali ifodalanishi mumkin…
В статье приводится программа и методика лабораторно-полевых испытаний гидравлического навесного механизма высококлиренсного трактора для садоводства и виноградарства. Получены переходные процессы изменения давления в…
Jamoat transportlarida hizmat sifatini oshirishning muhim omillardan biri bu yo‘lovchilar oqimi, oraliq bekatlarda avtobuslar harakat vaqtlari va ularni tashkil etuvchilarini tadqiq etishdir. Maqolada mualliflar…
Yuqori sifatli mayda donali betonning normal qotishining 28 kunligida siqilishga bo‘lgan mustahkamligiga ta’sir ko‘rsatuvchi kirish o‘zgaruvchilari - beton aralashmasining xomashyo tarkibiy qismlari nisbatlarining…
Aholi harakatchanligini tadqiq etish shahar transport tizimini yuqori aniqlikda rejalashtirish uchun xizmat qiladi. Shuningdek, aholi soni ortib borishini inobatga olgan transport tizimi rejasini qisqa va uzoq muddatlar…
Yashnobod tumani, shahar ekologiyasi va aholining hayot sifatini yaxshilash maqsadida, ko‘cha-yo‘ltarmog‘ini ko‘kalamzorlashtirishning ahamiyatini oshirish maqsadida ko‘kalamzorlashtirish usullarinio‘rganib chiqqan…
concrete mix for the production of precast concrete structures for the construction of buildings and structures for housing, public, industrial and transport purposes, containing cement, crushed stone, sand, chemical…
Temir yo'llarda yuk tashish xizmatlarining samaradorligini oshirish maqsadida hujjat aylanishi jarayonlarini avtomatlashtirish va optimallashtirish zarurati tug'ilmoqda. Sun'iy intellekt va ma'lumotlarni tahlil qilish…
Ta’lim sifatini nazorat qilish bo‘limi uchun axborot tizimini ishlab chiqish va uni muvaffaqiyatli joriy etish strategiyalari batafsil tahlil qilinadi. Shuningdek, axborot tizimining funksional imkoniyatlari va…
Ushbu maqolada bugungi kundagi global muammolardan biri atmosfera xavosini zararlanishida transport vositalarining ulushi xaqida yoritilgan. Sinov va xisob uslublari orqali avtomobilning ekologik xususiyatini baxolovchi…
Приведены результаты теоретико-экспериментальных исследований по разработке научно обоснованной методики назначения пластифицирующих химических добавок и минеральных наполнителей при подборе составов…
Приведены результаты теоретико-экспериментальных исследований по разработке научно обоснованной методики назначения пластифицирующих химических добавок и минеральных наполнителей при подборе составов…
In this article, a physical and mathematical model of the external forces involved in reducing the static loading of the body of workers and people using video terminals or computer monitors in a sitting position was…
В статье исследована проблема выбора рациональных критериев качества организации дорожного движения в городах. В зависимости от целей анализа, сложности сети, технических возможностей, качество организации дорожного…
Ushbu maqolada lokomotivlardan foydalanishning va xizmat ko‘rsatishning xarajatlari va iqtisodi orasidagi balansni topishga imkoniyatini beradigan matematik model ko‘rib chiqilgan. Usullar: lokomotiv parki ishining…
This article examines the characteristics of industrial traction units and their load-bearing structures, with a focus on models used in mining enterprises in Uzbekistan. It analyzes the design features of key…
Развитие электронной коммерции в сфере пассажирских перевозок на железнодорожном транспорте играет ключевую роль в модернизации транспортных услуг и повышении их доступности для пассажиров. Внедрение цифровых…
Целью исследования является совершенствование терминальных технологий в транспортных логистических системах. Задачи исследования - изучить современное состояние и проблемы пропускной способности контейнерных терминалов…
Maqolada transport sektori va kommunikatsiyalari rivojlanishi va muammolari tahlil etilgan. Shuningdek hududdagi yuk oqimlarini xalqaro yo‘nalishlarda o‘z muddatida avtomobil, temir yo‘l va daryo transporti vositalari…
MikroGESlarda qoʻllaniluvchi asinxron generatorlarning imitatsion modelidan yordamida qayta tiklanuvchi hamda mini va mikroGESlarda qoʻllaniluvchi asinxron generatorlarning turli dinamik ish rejimlari tahlilini olib…
In the present work statement of a problem and realization of received results and decisions were caused proceeding from practice of designing and construction of responsible objects, as tunnel constructions. Received…
Конструкции транспортных сооружений имеют различные конфигурации, что моделирование их напряженного состояния при внешних нагрузках являются сложной задачей. Метод конечных элементов даёт возможность моделировать для…
Обеспокоенность мирового экономического сообщества увеличением объемов выбросов парниковых газов в атмосферу, одним из основных источников которого является автотранспортный, повлекло неуклонное увеличение из года в год…
The article provides a forecast for the number of railcars, taking into account the development and maintenance personnel of railway transport, as well as an analysis of data for a quantitative assessment of reliability…
The method of detecting delayed neutrons (MDN) during uranium fission is the most convenient and promising methods for analyzing uranium ores. The availability of high intensity Cf252 and Sb-Be neutron sources and the…
The thermionic emission of polyatomic molecules of new psychotropic substances, narcotics,and psychotropic drugs used for non-medical purposes haves been studied on the surface ofoxidized tungsten using thermionic mass…
This study focuses on the evolution of intermolecular interactions in propionic acid (PrAc)-acetonitrile (ACN) mixtures, combining Raman spectroscopy, two-dimensional correlationspectroscopy (2D-COS), and quantum…
The formation and evolution of microheterogeneous structures in aqueous isopropanol solu-tions were investigated using dynamic light scattering. It is shown that correlated orientationalinteractions due to hydrogen…
The thermodynamic properties of a two-dimensional electron gas in half-filled Landau subbands have been analyzed. The study have carried out based on a Gaussian distribution of thedensity of states. Analytical formulas…
In recent years, interest in natural photosensitizers has increased, which is associated not onlywith their ability to effectively absorb light, photo-activity, biocompatibility and relatively lowtoxicity, but also with…
In the work, the optical properties and structural characteristics of TiO2 nanofilms deposited onJGS1 quartz substrates by ALD are investigated. The analysis was carried out for a series ofsamples fabricated with 750…
In the work, the behavior of C60 fullerene molecules in benzene and in a binary benzeneisopropyl alcohol (IPA) system was experimentally investigated using optical spectroscopy,IR-spectroscopy, and dynamic light…
The magnetic circular polarization of luminescence (MCPL) spectra of Na0,375Tb0,625F2,25 wereinvestigated in the visible spectral region. An intense luminescence band located in the wavelength range of 535–560 nm…
We present a systematic theoretical investigation of third-order nonlinear optical effects enhancement in spherical gold nanoparticles within the quasi-static approximation. The dielectric response of gold is described…
The structure, composition and some physico-chemical properties of the nanocomposite basedon the mixture of natural polyamide base and FeO filler were studied using elemental analysis,IR-spectroscopy, X-ray phase…
In combined processing methods, the influence of cavitation phenomena within the dischargechannel on dispersion efficiency remains insufficiently explored. This study utilizes a theoretical and computational approach…
The elemental composition of GaAs(O):Cr was determined using energy-dispersive spectroscopy and found to be: gallium 47.71 at.%, arsenic 44.37 at.%, chromium 0.10 at.%, and oxygen 7.82 at.%. The material was found to…
The spectral dependence of optical activity in bismuth silicate (Bi12SiO20) and bismuth germanate (Bi12GeO20) crystals was experimentally studied in the wavelength range of 488–1150nm. It was shown that the specific…
In the present article, the structure of magnetic domains and the mechanisms of their formationin the Fe5Ga6Gd2YZr crystal are examined. The processes of domain emergence, the regularities of their reconfiguration under…
In the work, the synthesis processes of graphene layers within polymer materials under theinfluence of high temperature and laser energy are investigated. During thermal stimulation,the carbonization and…
This study describes the morphological, optical, and photocatalytic properties of TiO2 nanostructures synthesized from FTO-coated glass plates. Studies have shown that TiO2 nanocrystals with diameters of 50-70 nm can be…
This paper presents a theoretical studying the effects of strain and compositional variations onthe linear and nonlinear optical properties of InP/InAs1-xPx/InP quantum wells. The Schrödinger equation was solved to…
This work presents a numerical investigation of second-harmonic generation (SHG) by ultrashort femtosecond laser pulses in nonlinear photonic crystals of gallium nitride (GaN) with periodically modulated second-order…
This article presents a compiled catalog of 408 galaxy groups. In the appentdix [1, 2] physicalparameters of 80 galaxy groups are provided as a sample. The number of galaxies in thegroups ranges from 5 to 30. Physical…
In the study, the physical parameters of open star clusters in Stock catalogue were analyzed.An inverse linear relationship between the color excess E(B–V) and the age of relatively youngclusters was found. A linear…