OAK jurnallaridan yig‘ilgan 104809 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
The article provides information on the sanitary and hygienic state of water bodies, phytoplankton, zooplankton after growing in the suburbs of Bukhara. There are instructions for preparing a smear and its use in a…
The article the presents the new information about the forests created in the Aralkum. It is obvious that at the bottom of the dried-up sea in the near future there will be vast, rich in vegetation, forests and…
The development and creation of solar cells based on GexSi1−x hetero and graded-gap structures is also very interesting. Since the production of such structures based on GexSi1−x with certain parameters and structural…
In this article the effect of external light radiation on the critical temperature of superconductivity of cuprates is considered. By solving the time dependent Schodinger equation it is found that the difference of two…
This article discusses the dimensionality of reduction issue. To reduce the dimension was used the in formativeness of the features. Several methods were presented that are used to assess the in formativeness of…
В статье рассматривается моделирование воспроизводства основных фондов и оборотных средств агропромышленного комплекса и оптимизация выпуска промышленной продукции, выражающее технологическую зависимость между…
In this work investigated and studied 3 groups of of diffusion samples in silicon, separately phosphorus and boron, sequential diffusion of phosphorus and boron. The aim of this study is to study the interaction and…
Studied osmolality mixtures pitches gasolines of different nature with different content of actual. It is proved that osmolality mixtures of gasoline is non-additive in nature. The introduction of oxygenates in the…
The article uses integral formulas with holomorphic kernels. The basic Leray-Koppleman integral formula is studied. The validity of the generalization of the Cauchy-Fantappe formula is proved.
Using the particle model is studied in the trap, the effect of quantum limitation on the energy spectrum of spherical quantum dots CdSe, GaP, and GaAs. The energy levels of the free electrons in the conduction band and…
The principles of construction and calculation methods are described for invariant automatic control systems with a relay amplifier operating in the mode of self-oscillations.
The article analyzes the factors affecting with equipment of the technical base of motor transport companies with technological equipment. To identify the main of these factors was used the method of expert evaluation.
The paper investigates the cardinal and topological properties of the Nemytsky plane. It is known that this plane is a separable space without a countable base, which means that it is not a metrizable space. This plane…
The article presents non-standard methods for determining the roots of polynomials in cases where the degree of the polynomial is higher than the fourth. In addition, for the study of the roots of polynomials, examples…
The article presents the solutions of problems that can be solved by a system of algebraic equations. These solution methods are also used in solving geometric problems. Examples of a system of high-order equations have…
In article the uniqueness and stability of the solution of Cauchy problem for the second order differential-operator equation are considered. The theorem is proved using the method of logarithmic convexity.
Maqolada matematika darslarining sifatini oshirish usullaridan biri bo`lgan o`quvchilarning yo`l qo`yadigan xatoliklari va ular ustida ishlashusullari yoritib berilgan. Nazorat, mustaqil va uy vazifalarini…
Ushbu maqolada navoiyshunos olim S.Olimov ilmiy tadqiqotlarida Alisher Navoiy shaxsiyat va ma’rifiy-badiiy tafakkur talqinlarining o’rganilishi haqida gap boradi.v
Maqolada O‘.Hoshimovning “Ikki eshik orasi” asari tahlil qilinar ekan, uning ijtimoiy, umuminsoniy, zamonaviy qimmati haqida so‘z yuritiladi. Asardan olingan parchalar orqali unda ishtirok etuvchi personajlar…
Ushbu maqolada O‘zbekiston neft va gaz sanoatining mustaqqillik davrida bosib o‘tayotgan rivojlanish sari bosqichlari,yutuqlari va muammolari haqida qisqacha izoh berilgan.Shu bilan bir qatorda, sohada qilinishi lozim…
Ushbu maqolada benazir ijodkor Isajon Sulton badiiy nasrining o‘ziga xos xususiyatlari, asarlarida qo‘llanilgan barqaror so‘z birikmalari, maqollar, she’riyatning badiiy matndagi o‘rni, yozuvchining voqelikni tasvirlash…
Maqolada Abdulla Avloniyning bolalarga atalgan hikoyatlaridagi badiiy-estetik va ma’rifiy-tarbiyaviy jihatlar va o‘ziga xosliklar keng tahlil etilgan. O‘zbek bolalar hikoyachiligi taraqqiyotiga qo‘shgan hissalari …
Maqolada zamonaviy sanʼat menejmentining bugungi kundagi o‘rni, rivojlanish tendentsiyalari, o‘ziga xos xususiyatlari va ahamiyatini taʼminlaydigan strukturalar tahlil qilingan. Sanʼat menejmenti faoliyat yuritishi va…
Ushbu maqolada Turonzaminning bir bo‘lagi hisoblangan Ustrushonaning ko‘hna hududlaridan biri bo‘lgan Jizzax viloyatining Zomin va Baxmal tumanlari o‘zbek va qirg‘iz aholisining to‘y marosimlari iqtisodiy antropologik…
Taxlil natijalari shuni ko‘rsatadiki, minerallashgan suvlar bilan bug‘doyni sug‘orish natijasida tuproq tarkibidagi tuzlarning sifati va miqdorida o‘zgarishlar sodir bo‘ladi, yani tuzlarning umumiy miqdori ushbu…
O‘zbekiston sharoitida asalari oilasini mahsuldorligini oshirish maqsadida, erta bahordan boshlab, ko‘plab sun’iy usulda ona asalari yetishtirish va ularni sun’iy usulda urug‘lantirish ishlarini tashkil etish xamda ona…
Ushbu maqolada cho‘l mintaqasida tarqalgan sug‘oriladigan o‘tloqi taqir va o‘tloqi saz tuproqlarning genetik qatlamlari bo‘yicha kimyoviy element tarkibi, og‘ir metallar va metalloidlar miqdori, migratsiyasi hamda…
Ushbu maqolada yumshoq pishloqlar assortimentini kengaytirish va ishlab chiqarishni ko‘paytirish istiqbollari haqida ma'lumot berilgan. Innovatsion faoliyat, O‘zbekiston Respublikasining oziq-ovqat sohasidagi davlat…
Maqolada jiddiy invaziv zararkunanda hisoblangan Leptinotarsa decemlineata Sayni 1824 turining Farg‘ona vodiysiga kirib kelishi va tarqalish yo‘nalishlari bayon etilgan. L.decemlineata vodiy mintaqasida aniqlangan 6 ta…
Ushbu ishda biologik chiqindi polimer hisoblangan soch tolalariga sun’iy eritmalar tarkibidagi qo‘rg‘oshin ionlarini yutilish kinetikasi o‘rganilgan. Bunda psevdo-birinchi va ikkinchi tartibli kinetik modellar yordamida…
Ushbu maqolada moddalarni aniqlashning eng aniq usullaridan biri bo‘lgan mass-spektrometriya yordamida karbamid va furfurol asosida olingan birikma tekshirildi. Natijada, olingan kattaliklar asosida hosil bo‘lgan…
Tarkibida oltingugurt saqlagan organik va noorganik birikmalar tabiiy gaz, neft va uning mahsulotlariga salbiy ta‘sir ko‘rsatadi. Oltingugurtli birikmalar kislotali xossani namoyon qilganligi sababli, ishlab chiqarish…
Maqola avtomobil yo‘llari uchun bitum emulsiyasi qo‘shilgan sement bilan ishlov berilgan shag‘al-qum qorishmalaridan foydalanish haqida. Eksperimental tadqiqotlar (sinovlar) murakkab bog‘lovchilar yordamida asosni…
Yog‘larni deparafinsizlash jarayonida erituvchi tarkibi: toluol, benzol, metil etil keton, aseton, C2-C5 spirtlarining ta'siri o‘rganilib, moylarni deparafinsizlash jarayonida asetonning yo‘qotilishi-55 %ga yetishi…
Ustyurtgaz Kimyo majmuasida metanni pirolizlashda hosil bo‘ladigan chiqindi mahsulotlarining tarkibi aniqlandi, piroliz smolasi-PS dan yo‘l qurilish, tom yopqi bitumlarini olish, koks olish bo‘yich ilmiy…
Tikilgan polivinil spirti asosida olingan gel tomonidan turli konsentratsiyali kuchli kislotalar eritmalaridan boʻkish jarayonining elektrolit tabiati va konsentratsiyasiga, shuningdek suvning aktivligiga bogʻliqligi…
Ushbu maqolada respublikamizda keng tarqalgan g‘o‘za o‘simligidan ajratib olinadigan gossipol moddasining benzidin bilan turli nisbatlarda yangi Shiff asoslarini sintez qilish, sintez qilingan yangi birikmalarning ayrim…
Frezalash stanoklaridan foydalanishda amaliy darslaridan bir qatorda nazariy dars jarayonlari birinchilardan bo‘lib o‘tiladi. Nazariy darslarimizda kompyuter texnologiyalari va AKT vositalaridan zamonaviy innovatsion…
Ushbu maqolada soha chegarasining barcha qismida buziladigan to‘rtinchi tartibli tenglama uchun chegaraviy masalalar bayon qilingan va o‘rganilgan. Masala yechimining mavjudligi, yagonaligi va turg‘unligi…
Ushbu maqolada ikki o‘zgaruvchili, to‘rtinchi tartibli Kampe de Feriyet funksiyasining integral ko‘rinishlari va bu funksiya qanoatlantiruvchi xususiy hosilali to‘rtinchi tartibli differensial tenglama sistemasi…
MazkurmaqoladaNavoiyg‘azallaridaqo‘llangano‘xshatishqurilmalariningtarkibixususidafikryuritilgan. Navoiy g’azallarida o‘xshatish uch xil grammatik vosita yordamida shakllanashi va ularning o‘xshatish qurilmalarini…
This article is focused on one of the necessary and priority areas of the educational process is updating the content of education, the need to pass a lesson on the basis of modernized, improved and scientific and…
The article emphasizes the relevance of teaching mathematics for the profession in the preparation of future economists. Situational tasks are considered as a necessary tool for the implementation of professional…
The article focuses on the issue of systematic organization, orderly implementation of the development of educational content based on educational needs arising from the customers of the labor market, based on the main…
this article will cover the demand for the study of the language taught as a second language in higher educational institutions where foreign languages are taught, the use of modern ped-technologies, innovative…
In this article, special attention is paid to the place of family and school in technological education, based on the fact that the formation of science in the education system is through family and school. Particular…
The process of teaching students of higher educational institutions should be inextricably linked with the constantly changing conditions in the modern world. The article presents some theoretical reflections, as well…
The article describes the organization and management of the individual educational trajectory of students in the credit-module conditions, recommendations for the organization of independent student learning, the…
This article reveals the problem of educating an educated and intellectually developed student in modern socio-cultural conditions. Furthermore we are talking about the fact that the content of moral education in…
This article examines the role of communication in the development of a child's personality, the fact that learning to communicate is a specific form of forming a child's personality, Ibuka believes that parents in the…