OAK jurnallaridan yig‘ilgan 129907 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
Изучено влияние использования внешних преобразователей частоты на интенсивность люминесценция кристалла Nd:YAG. Кристалл освещался светодиодом с материалом Y3Al5O12:Ce3+ и без него в качестве внешнего преобразователя…
Frequency doubling of the first type of interaction (oo-e) of intense short laser pulses in crystals with a regular domain structure is numerically studied. The influences of the dispersion of the medium up to the third…
The paper presents expressions for the concentration of charge carriers in semiconductor nanowires. To find the concentration, the equation for the total number of particles is used. Using the Fermi-Dirac distribution…
The paper presents the results of an assessment of vertical profiles of wind velocity and water amount in the atmosphere over the Maidanak Astronomical Observatory. The height distributions of the meteorological…
This article provides detailed information about the observations of round-the-clock dynamics of the wind regime in different seasons of the year on the Suffa plateau, where RT-70 radio-telescope of the millimeter range…
In this work, the refractometry method was used to study of the molecular interactions and structural characteristics of dimethylformamide-ethanol and cyclohexane-ethanol binary mixtures. The refractive indices of…
The behavior of the chemical potential µ of a two-dimensional electron gas near the bottom of the miniband and far from it is considered. Low-temperature analytical formulas are obtained under the conditions of the…
The formation of the porous aluminum oxide on surface by the electrochemical method was investigated. This phenomenon is associated with simultaneous processes of formation and dissolution of the aluminum oxide in…
A new analytical exact solution of the Einstein gravitational field equations is proposed, which describes the equilibrium state of a spherical layer of anisotropic matter located in an external spherical symmetric…
The root-mean-square displacement of atoms in the new cubic refractory alloy Ti070Mo030C has been determined by the methods of least squares and full-profile analysis based on neutron diffraction data. The values of the…
By the complex methods of labeled atoms (169Er, 170Tm , 153Sm и 175Y b ), autoradiography, measurements of electrical conductivity and Hall effect, isothermal relaxation of capacitance and current, diffusion, solubility…
The results of laboratory experiments to study the effect of reverse bias with a duration of 60, 600 and 2000 s. on the parameters of solar cells (SC) based on an absorbing layer consisting of Cu, In, Ga and Se (CIGS)…
Four parameter group of transformations containing rotations and time translations is consi[1]dered due to spherical symmetry and stationarity of the space-time metric. It is found that there exists such a quartet of…
Within the framework of general relativity, a model of an equilibrium configuration of gravitating object is constructed. The spherical symmetric object studied consists of a spherical layer of a hypothetical…
The phase composition and subsurface current (90−580 K) were studied in expired scintillators made from doped LiF crystals after irradiation with 4 MeV electron fluencies 1013-1015 el/cm2 at beam current densities…
In the article, a fiber coupler based on twin-core fiber formed by the convergence of two light guiding cores by fusion and splicing of a small (several cm) region of the fiber has been proposed and experimentally…
For the first time, the features of the nucleation and further growth of nano- and micro-sized tubes based on C60 fullerene with a hexagonal shape, obtained by evaporation of an isolated drop of a solution of C60 in…
The technique of 3D conformal proton therapy was developed at the Medico-Technical Complex of the Laboratory of Nuclear Problems of the Joint Institute for Nuclear Research to irradiate tumours seated in the vicinity of…
Both all over Central Asia area and Karakalpakstan epic art is represented in the genre of dastan. Dastan can be defined as a comprehensive poetic legend, a story combining in itself prose, verses, and music. In given…
Animation is a unique form of cinema, having its own specific means of expression, forms and genres. This art form has an amazing history of development. It is interesting to understand the specifics of multiplication…
The article deals with various forms of implementation of dance genres in the works of the outstanding Hungarian composer Zoltan Kodaly. Analyzes the characteristics of dances in various cycles, such as "Dances from…
Numerous issues related to the study of the phenomenon of the musical dynasty in science are still insufficiently investigated. A comprehensive study of this issue today should attract the attention of not only art…
The article discusses the main stages of development of musicology in Uzbekistan. The introduction provides a brief overview of Uzbek musicology in the 18th and 19th centuries. The tasks and goals of each period are…
This article invites you to reflect on the issues of the interaction of various scientific subjects with the music, when many of the basic provisions are the same as, for example, linguistics.
The milestones of the stages of formation and the development of Uzbek piano performing school, which reached unprecedented flourishing in the world cultural space in the years of independence, are considered in the…
Piano art, which has been formed in the world music culture for several centuries, is today an important factor in the enhanced development of composers' creativity and the performing sphere. The piano art of Uzbekistan…
In the modern world, questions of revival, maintenance and propaganda national to tradition of ethno culture, and in particular their musical heritage there is one of the most actual tasks of study of art. Musical…
The study is devoted to genre-style structure and dynamics of development of modern Uzbek pop music. The process of identifying the structure was carried out by mathematical analysis of 1893 rotated music compositions…
The research deals with the notion of “idea”, its transformation in time and a structural connection with musical thinking. “Ideas” embody the prototypes of objects and concepts of reality, driving civilization and…
Today, the integration of electronic interactive services is based on the correct placement of algorithms to ensure solidarity in information systems, the design stages of information systems based on interactive…
This article is devoted to the presentation of the threat state model of access control, which allows calculating the probabilities of the impact of threats on the access control system and the probability of opening…
A mathematical model, methods and algorithms for the numerical solution of problems of joint gas-water filtration in porous media are considered. The mathematical model of the process of non-stationary joint gas-water…
An algorithm for the intellectual support of decisions in integrated management systems has been developed, its main components have been described, its structure has been formed, and algorithms have been developed to…
The article reviewed the development of the all the goals of the UzB are “... shaped in the form of global aspirations, and each government sets its own national goals, in cases where several states are monitoring a…
The article discusses the approach to creating projects of organizational management systems that allow to use the theoretical and practical results of research in the field of artificial intelligence in their design…
The article examines the morphology of the Karakalpak language, which belongs to the Kipchak group of the Turkic language family. The forms of word formation in the Karakalpak language, their sequences and the affixes…