OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
МақоладаТумек-Кичиджик қабристони мисолида Калтаминор маданияти вакилларининг мафкураси ёритиб берилган. Дафн маросимлари анъаналарининг неолит даврига хос ўзаро боғлиқлик жиҳатлари кўрсатиб ўтилган. Калтаминор…
Мақолада 1950-1980 йилларда Ўзбекистон таълим тизимида олиб борилган мафкуравий сиёсат ва унинг салбий оқибатлари хусусида фикр юритилган.
Мақолада Ўзбекистонда фан тараққиётининг тарихий тадрижи ҳамда буюк олим ва алломаларнинг қўшган ҳиссалари кўриб чиқилган. Уларнинг ўрта асрларда барпо этилган академиялардаги фаолияти ёритилган.
Мақолада суғориш тарихи, суғоришнинг янги инновацион усуллари ва сув сарфи тўғрисида сўз юритилган. Мавзунинг танланиши ва ёритиб берилиши диққатга сазовордир, у ҳозирги кунда долзарб мавзулар қаторига киради. Мақолада…
Мақолада ҳашарот ҳужайралари культурасидан биотехнологик мақсадларда фойдаланиш йўллари ёритилган. Ҳужайра культуралари билан ишлаш соҳанинг муҳим объектларидан бири ҳисобланади. Ҳужайраларни ўстириш ва сақлаш уларни…
Металл ионлари билан хелат ҳосил қилувчи ионалмаштирувчи полимер комплекситлар олиш мақсадида СМА-1 (гексаметилендиамин билан модификация қилинган полиакрилонитрил) толасининг малеин ангидрид билан кимёвий модификацияси…
Мақолада ҳозирги кунда Ўзбекистонда туяқуш етиштиришнинг жадал ривожланиши, ушбу паррандадан олинадиган маҳсулотлар ичида унинг териси асосида экзотик чарм олишда даромадли бўлиши, туяқуш тери хомашёсининг ўзига хос…
Мақолада толали материалларни йирик чиқиндилардан тозалагичнинг янги самарали схемаси, ишлаш принципи келтирилган. Назарий тадқиқотлар асосида тозалагичнинг қайишқоқ таянчларга ўрнатилган колосниклари тебраниш…
Мақолада вақт ўзгарувчисига боғлиқ бўлган Бессель оператори қатнашган итерацияланган Клейн- Гордон-Фок тенгламаси учун Коши масаласи аналоги тадқиқ этилган. Умумлашган Эрдейи-Кобер операторини қўллаб қўйилган масала…
The results of a set of works on the technology of secondary cast polycrystalline silicon and the creation on this basis of solar cells and other semiconductor devices are presented. The prospects of mastering the…
Concrete strength increasing technology for the solar panel base was developed using modified by 40 nm size SiO2 nanoparticles nature water, exposed complex activation process. Highest values of compressive strength…
Known and original methods of utilization of dust wastes in the form of microsilica formed in the processes of electric arc smelting of technical silicon or ferrosilicium by their use in concrete, building mixtures…
The dependence of photoelastic properties of PbMoO4 crystals, doped with Na and Nd impurities, on the direction of polarization of diffracted light on the acoustic waves have been determined by the Dixon method in the…
We studied the potential of Ce:Nd:YAG crystal in solar pumped lasers. In the study, recently proposed multi-pass pumping configuration and the Fresnel lens, 0.8 m2, have been considered using statistical Monte-Carlo…
The structural features and dimensional characteristics of aggregates of fullerene C60 synthesized in binary mixtures of organic solvents (xylene-tetrahydrofuran), which prepared by a non-equilibrium way (mixing of the…
Investigation of grazing scattering of 3 keV Ar+ and Xe+ ions from the defect surface InP(001) are reported. Computer simulations based on the binary collision approximation permit one to carry out a quantitative…
Adsorption and surface ionization of imipramine and amitriptyline on the surface of oxidized tungsten were studied by methods of voltage modulation using a high-vacuum mass spectrometer installed with a "black camera"…
The results of thermal desorption surface ionization spectroscopy and GC/MS studies of synthetic cannabinoids, indole and indazole derivatives, confiscated in the form of powders and smoking mixtures on various plant…
In the paper, the results of quantum-chemical simulation of five possible conformers of a propanol molecule, as well as of their hydrogen-bonded dimers are presented. Optimal geometry and energy parameters of the…
A phenomenological model of coronal bright points (CBP) as a result of the interaction of current systems in the solar corona (CTS) was proposed. The model is based on observational data related to the CBP, as well as…
The article discusses the development of organomineral materials for the protection of metal parts of technological machines and structures operating mainly under the influence of an electrochemical environment. A…
The article reviewed the certification and quality control of the technological process for the production of vegetable oil. There is a procedure for packaging, quality control of products, determination of quality…
The article presents an analysis of the use of correlation-regression analysis, which is based on the methods of mathematical statistics and probability theory in the study of the power consumption of enterprises with…
There are investigated sorption and desorption characteristics of phosphate cation-exchange resin among metals: copper, nickel, cobalt, an uranyl-ion depending on pH-environment, the ionic form of cation-exchange resin…
The article presents the results of the analysis of long-term regime observations of change in the concentrations of groundwater of Uzbekistan and adjacent territories. Based on these observations, the main factors…
This article is presented an overview of hydro mechanical and electromechanical processes. Little attention was paid to the study of these two areas at the same time. The two directions above are the results of a…
The results of the study of optical absorption of metal films YBa2Cu3O6+x when passing through the film direct current to 100 mA are presented. Analysis of the data indicates that the relationship between absorption and…
The article focuses on iconography of musical instruments of the early Middle Ages found during archeological excavations conducted in the territory of ancient Sogd in Uzbekistan and China in the late XX and early XXI…
The term “Great Silk Road” was coined in 1877 by the German geologist, geographer and traveler Ferdinand von Richthofen (1833-1905). Through the Great Silk Road from China to Rome from the 3rd century BC not only silk…
The article considers international archaeological terms which show that the ways of their creation are different. These may be ready-made language units taken from Greek, Latin or another language, or words that have…
The treatise was composed in Chaghatay Turkish in 886/1481–82 by the eminent political and literary figure and unsurpassed patron of Temurid period, Mir Ali Sher Navoi (844–906/1441–1501). It is entitled Vaqfiya, which…
National music is a powerful emotional and psychological tool, and the importance of socio-psychological factors in shaping adequate images through its perception is highlighted in the works of Central Asian thinkers…
The study of the language, initiated by Mahmud Kashgari in the East in the eleventh century, through the use of arealtypological and areal linguistic methods, is the most important issue today. The emergence of…
The literature of both the Uzbek and Azerbaijani have a common history. From time immemorial, the literature of these both peoples have evolved is influencing each other. In this regard, the influence of ,,Khamsa’’ by…
The research study aims to advance the scientific hypothesis that the creative process is not a two-stage but a three-stage phenomenon, as is noted by theorists. The issue is new, complex and not yet explored. For this…
The socio-economic development of the country, sustainable economic growth, income growth and improvement of living conditions depend on the investment volume and activity. Developing countries adopt policies aimed at…
The issues of enhancing the competitiveness of the domestic securities market are the most important components of the problem of enhancing the competitiveness of the national economy. The research of factors for…
The most common grape disease in Uzbekistan is mildew. The article shows the effectiveness of the new fungicide Banjo Forte 40% k.s. against mildew of grapes. It provides data on the high biological effectiveness of the…
The study deals with the field experiment on the efficiency of soil tillage technology (conventional and alternate tillage) and the amount of crop residue retention of ozone trunks of winter wheat-mung-cotton under the…
The article is devoted to the creation of import-substituting chemical water treatment systems using nanocomposite cation exchangers, the production of which is currently being investigated at the Institute of Nuclear…
Effective systems and management of monetary circulation in the economy are one fundamental research disciplines. However, this aspect falls out of the research subjects of scientists and economists. Economists are…
The paper provides an analysis of the influence of surface water quality, in particular the hydrochemical regime of rivers and canals of the Chirchik and Akhangaran river basins, on the health of the rural populations…
The article discusses the state of the production and social infrastructure of the Free Economic Zones of Uzbekistan on the example of the Angren Free Economic Zone. A comparative analysis of the development of…
The study proposes innovative equipment designed to strengthen the forage base of fish farms. The device of the latest technology is protected from external influences as the power supply is located inside the device…
The article summarizes the long-term results of engineering-geological, macroseismic and geophysical studies (1991–2019) to assess the influence of the parameters of various types of soils on the seismic intensity of…
The article reviews a technical solution for the improvement of geodesic reference measurements based on measuring the deviations from straightness relative to the reference line set by a laser beam, by means of a…
The article is devoted to the identification of genetically modified food in the markets of Uzbekistan. The study of food products for the presence of genetically modified organisms (GMOs) was carried out on the basis…
The article describes the rust fungi common in medicinal plants in Zaamin National Natural Park. In the course of these studies, 22 species from the genus Puccinia were identified. According to the distribution of…
In the paper, the distribution of the electromagnetic field near the sample is discussed. The results are compared with the results of an earlier developed theoretical model for the field near the dielectric microsphere…