OAK jurnallaridan yig‘ilgan 104809 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
The article is devoted to the description of such trade qualities of astrakhan sheep as hair’s length, brilliance and silkiness of hair covering of astrakhan sheep sur of Karakalpak petrean type.
For three years we have been studying the bio-ecological features of Salsola Orientalis S.G.Gmel in the conditions of culture.
In the article the method of problem solution on calculation of electric capacity of capacitors is considered. In particular, calculation of electric capacity of plane, spherical and cylindrical capacitors are shown in…
In the article the two approaches of solving the problems in the course of Physics are considered. In the mathematical approach there are used complex mathematical concepts. It is necessary to point out that in solving…
Мақолада болалар руҳида содир бўладиган миллий ўзликни англаш, юртга муҳаббат ҳиссининг шаклланиши, эзгулик учун кураш каби ғоялар Анвар Обиджоннинг “Кезаргон Бойчечак” номли қиссаси мисолида тадқиқ этилади. Унда…
Мақолада викториан инглиз адабиёти адиблари асарларида аёл тақдирининг акс этиши таҳлил этилади. Мазкур даврда ижод этган Ч.Диккенс, опа-сингил Бронтелар, Э.Гаскелл, Ж.Элиот кабилар асарларида аёл тақдири турлича…
Мақолада таржималардаги шакл ва мазмун бирлиги, таржима талаблари қатор асарлар мисолида кенг таҳлил этилган.
Мақолада поэтик нутқнинг прагматик хусусиятлари тадқиқ этилган.
Мақолада немис тилидаги фразеологизмларнинг келиб чиқиши ва қўлланиши ёритилган.
Мақолада бўлажак ўқитувчиларнинг компетентлигини ривожлантириш ҳамда уларнинг муваффақиятли фаолият олиб боришлари учун касбий компетентликка эга бўлишлари ҳақидаги масала баён этилган.
Мақолада коэффициенти узилишга эга бўлган чизиқли оддий дифференциал тенглама учун иккинчи тур интеграл шартли умумлашган спектрал масала кўриб чиқилган. Ўрганилган масаланинг хос сонлари ва хос функциялари топилган.
В статье освещаются проблемы социализации детей с особыми потребностями в семье и вне семьи посредством организации различных форм социокультурной деятельности и эффективных адаптационных практик, создающих условия для…
Мақолада жисмоний тарбия жараѐнига ўқувчиларнинг жисмоний ривожланишига қаратилган инновацион усулларни жорий этиш ва экспериментал натижалари тақдим этилган.
The paper presents results of studies of the azimuthal correlations in the formation of cumulative protons and pions with tracking particles in hadron- and nucleus-nucleus collisions.
A special catalog of 1119 open star clusters (OSC) of our Galaxy has been compiled. The physical parameters such as mass, absolute magnitude, distance modulus, metallicity, age, spectral class and distance from the…
By means of nonstationary capacitance spectroscopy of deep levels the residual effects in silicon doped with impurities of T-ions and subjected to uniform compression are investigated. It is shown that the effect of…
On the basis of the active element of Ti3+:Al2O3, the possibility of converting solar energy into laser radiation energy is investigated. By the computer simulations, it was shown the possibility of reducing the…
In this work, the formation of the Taylor cone in high-vacuum electrospray ionization using a static magnetic mass-spectrometer was studied. A simple vacuum electrospray ionization source was designed and combined with…
An efficient method of formation of the ordered fullerene C60 nanoaggregates in the volume of evaporating fullerene droplets in mixtures of two-component solvents (benzene and acetonitrile) on a flat substrate surface…
Different ways of C60 fullerene adsorption on surface of defect-free graphene have been studied by the methods of computer simulation within the framework of the Brenner potential. The energies of binding and distance…
The dependence of accuracy of temperature measurement by semiconductor sensors on stabilization factor of the current source is investigated and the results are presented. It is shown that the presence of slope of the…
The effect of preliminary temperature heating under high vacuum conditions on the distribution profiles of impurity atoms over the depth of the Ni-GaP-SnO2 (sital) system is studied. It is shown that such heating…
Using the method of CC-DLTS the properties of the Si-SiO2 transition layer and relaxation processes in the system Si–SiO2 .are investigated. A scheme of various electronic relaxation processes of the charge occurring in…
A simple analytical model of the density of states of two-dimensional electron gas has been proposed. Broadening the quasi-stationary states of electron in quantum dot of heterostructures is taken into account. It is…
Results of comparative analysis of the formation processes of 7 Be nuclei and (α+3 He) system in channels with formation of alpha-particles in 16Op-collisions at 3.25 A GeV/s are presented. It is obtained that the two…
The observational data of long-term continuous monitoring of the gravitationally lensed system В1422+237 are analyzed. A brief description of the photometric method for image processing is given, light curves are…
In the present work the peculiarities of ion implantation and colliding particles mass ratio influence on the ranges, energy loss and profiles of distribution for 1−5 keV P+ ions channelling in Si(110) and SiC(110) at…
The results of thermodesorption thermoionic (surface-ionization) spectrometry (TDTIS) investigations of synthetic cannnabinoid АВ-Chminaca (a derivative of indazole) and seized smoking mixtures on diverse matrixes have…
The application of synergetics as a modern transdisciplinary science in radiation physics is discussed. It is shown that the basic concepts of synergetics are very well applicable to the description of the number of…
Surface-enhanced Raman scattering (SERS) technique is an important and powerful analytical tool, which has attracted much attention for environmental monitoring, chemical analysis and biomedical research. In this paper…
The volcano-type size dependence of the extraordinary catalytic activity of gold nanoparticles in CO oxidation is discussed on the basis of combination of the d-band model, the jellium model of metal clusters and the…
Anisotropy of attenuation of acoustic waves in photorefractive BSO and BGO crystals has been studied in the frequency range of 0.4−1.6 GHz. The anisotropy parameters determined by the imaginary constants of BSO and BGO…
Significant oscillations of the spectral distribution of the idler pulses in the optical parametric amplification of chirped laser pulse have been observed experimentally. On the base of the obtained simple analytical…
The formation of pseudomorphous GeSiSn layers directly on Si have been investigated. The transition from two-dimensional growth regime to three-dimensional of the GeSiSn film on Si(100) was studied for different…
Room temperature photoluminescence (PL) properties of vertically aligned and spindle-shaped, randomly oriented ZnO nanorods synthesized by using a low temperature hydrothermal method are studied. In air, the vertically…
Laser driving technology is an important technology in high energy physics, shock wave physics and explosive initiation application. In this paper, velocities and impact stresses of four types of laser-driven flyers…
The purpose of our research is calculation of capacity and energy of an independent solar power station. Theoretical calculations of the basic power characteristics of the solar panels established in territory of…
The possibility of achieving high efficiency of converting solar energy into laser radiation energy on the basis of the active element Nd: Cr: GSGG in the form of a thin slab allowing providing an effective heat output…
A concept is proposed of forming the effective generation of a plasma flux by a vacuum-arc discharge in a substrate, with the functional systems of initiation of a vacuum-arc discharge with the necessary…
For the first time, the refractometry method was used to determine optical characteristics and concentration features of aqueous solutions of tetrahydrofurane, dimethylformamide and ethanol. Refractive indices of…
Conversion process of energy of solar radiation into electricity is analyzed from point of view of mass, charge and energy transport. It is shown that, as in all other kinds of energy sources, there are limitations for…
The processes of formation of thin nanosized films of Ba silicides and alkaline elements during their low-energy and high-dose implantation in Si(111) and Si(100) have been studied using electron spectroscopy…
The results of decreasing the epitaxy temperature up to 900−1100 K to produce sufficiently perfect films under vacuum deposition and by ion stimulation have been presented.
The influence of a thermal annealing on electric conduction of silicon monocrystals doped by nickel has been studied. Also, an analysis of the morphology of impurity microinclusions under the influence of heat treatment…
The absorption of linearly polarized light in a semiconductor dimension-quantized well related both to optical transitions between branches of light and heavy holes and between dimension-quantized subbands has been…
The article presents the latest status of the Maidanak 1 m telescope, instruments and the related facilities of the Observatory as well as the science projects. The renovation of the 1 m telescope of Carl Zeiss…
The purpose of this paper is experimental study of amorphization of the quartz crystal structure by irradiation of protons of certain doses. It has been shown that in the damaged layer of the crystal subjected to…
In the paper, the DLTS method is used to study the effect of dysprosium atoms on the efficiency of radiation defects formation in n-Si irradiated with γ-quanta 60Co. It is shown that formation of A-centers dominates in…
Experimental results of acoustic spectra of 1,4-butandiol and its mixtures in water and in H-butanes are presented in temperature from 293°K to 333°K and frequencies from 1 MHz to 7.16 GHz. Possible molecular mechanisms…