OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
Transferrin organizmda temir mikroelementini tashuvchi maxsus qon oqsili hisoblanadi. Shuning uchun transferrin qon zardobi tarkibidagi temirni aniqlashda ishonchli nishon sifatida ishlatiladi va uning qon oqimida…
CdSe asosidagi kvant nuqtalar sintez qilindi. Olingan kvant nuqtalarning optiko‘lcham xossalari temperaturaning vaqtga bogliqligini o‘rganish asosida solishtirildi. Ularning yutilish va lyuminestsentsiya spektrlari…
Показана возможность и оптимизированы условия инверсионноволтамперометрического определения индия с использованием электрохимических сенсоров в индивидуальных растворах, его модельных бинарных, тройных и более сложных…
Показана возможность и оптимизированы условия амперометрического титрования Bi(III) раствором ДДТКNa с двумя платиновыми индикаторными электродами в различных по кислотно-основным свойствам средах по току анодного…
В последние годы электролиз начинает с успехом применяетъся в препаративной химии порфиринов. В данной статье изложены пути электролиза порфиринов. Обсуждается круг проблем, такие как термодинамика и кинетика…
Mahalliy bentonit gilmoyalari va poliakril kislotasi asosida choklangan tuzilishga ega polimer kompozitsion gellar sintez qilindi. Sintez qilingan kompozitsion gellarning suvli eritmalarda bo‘kishi o‘rganildi…
Ishda tabiiy mahalliy xomashyolar bo‘lgan kaolin va bentonitni kimyoviy hamda fizikaviy faollashtirish masalalari va olingan yuqori kremniyli seolitlarning tekstur xarakteristikalari hamda sirt yuzasi morfologiyasi…
. В статье рассматриваются региональные типы и районирование расселения Самаркандской области. Территория области выделяется на оазисный, горный, пустынный и пригородный типы расселения. Эти типы расселения…
На основе многолетних маршрутных ландшафтных съёмок и наблюдений за состоянием ландшафтов в различные сезоны года нами составлена крупномасштабная ландшафтная карта Зарафшанских гор и прилегающих равнин. Кроме того…
В статье показано влияние природы фоновых электролитов на электроокислениедиэтиламино -4-метил-гексин -2- ола-4 (ДЭМГО) и определены числа электронов при электроокислении, также установлены природыанодных токов при…
В работе показаны условия и возможность амперометрического титрования вольфрама органическим реагентом тетрагидро-1,2-оксазолом в широких диапазонах их концентраций и при соответствующем подборе условий определения оно…
Maqolada Surxondaryo viloyatining asosiy suv manbai hisoblangan Surxondaryo daryosi suvining turli hududlardagi tarkibini kimyoviy jihatdan o‘rganish natijasida, kimyoviy tahlilining ba’zi jihatlari ochib berilgan…
С позиции гетерофазной модели строения полимерных гелей исследованы эффекты влияния природы и концентрации электролитов на конформационные свойства полимерных гелей. Показано, как индивидуальные свойства растворенных…
. Formilpinakolin va benzoilsirka al’degidlarning spirtdagi eritmalariga ekvimolyar nisbatda aromatik kislota gidrazidlari o‘zaro kondensatlanishidan H2L tridentat organik ligandlar (H2L1 -H2L8 ) olindi. Ularning…
The author notes that a scientific article must be written on the basis of the rules of the scientific method, as well as the international standard IMRAD. In addition, the types of scientific articles and the…
Information and communication systems are the most dominant factors in increasing the efficiency of any process. Education management in modern conditions should be reformed in accordance with the requirements of the…
The article deals with the basic principles of a long-term strategy for improving the living standards of the population and substantiates the requirements to ensure the living conditions and human capital development…
The time spent on public transport to the destination is one of the main criteria that determine the quality of its service. If public transport exceeds a predetermined schedule, passengers will not be able to reach…
The paper represents infrared laser and digital camera based equipment for measurement of gap and flushness on the automobile. The system is based on smartphone that is used as camera and database, while the red laser…
An assessment of hybrids of medium staple cotton by fiber quality in the Tashkent, Fergana and Kashkadarya regions of the Republic of Uzbekistan has been carried out. Four hybrid combinations of different genetic…
Today, the need for new sites for the construction of modern facilities is growing every year as a result of the rapid development of “construction of buildings and industrial facilities” in the new Uzbekistan. New…
The subject of the research is the indicators for assessing the level of monopolization of financial markets in Uzbekistan. The purpose of the study is to determine the types of indicators for assessing the level of…
The aim of the work is to study the copper content in food for nutritional support and correction of copper deficiency in children from the high-risk group. The method of neutron activation analysis was used to…
To assess changes in the volume of water in reservoirs, it is necessary to determine the dependence of the values of the volume of water discharged from the reservoir on changes in the water level. The study is devoted…
The work describes a method for determining the current collector strips of pantograph electric locomotive current collectors using an accelerometer to increase the reliability of current collectors and reduce the time…
The article discusses the issue of increasing the level of automation of alignment measurements when observing settlements and deformations of engineering structures, including hydraulic structures of various…
The article reviews the efficacy of the rehab course of treatment on the maxillofacial area after surgery operations using complex endo- and exo-orthopedic instruments for the removal of defects. A method of the complex…
The paper presents the results of studies of the fundamental problem of the materials science of ferroelectrics. Based on the literature review the relevant aspects of the problem – determining the laws governing the…
In this article, discusses the possibilities of using heterosis. It is known that industrial sericulture around the world is based on the production of first-generation hybrids for the use of heterosis, which can…
The article is devoted to experimental research of the major dynamic indicator of soil. The study describes the technique for conducting research on vibrating installation. There are marked changes in the adhesion of…
The article provides recommendations on the results of the analysis of the problems of promoting the Institute of Mediation, enshrined in national legislation (substantive and procedural law) of the Republic of…
In recent years, due to increasing demand for food, there has been a need to increase crop yield, which is achieved by raising the doses of chemical fertilizers used. Their irrational use leads to serious negative…
The article outlines the theoretical aspects of using the discounted cash flow method to evaluate the capital cost of a joint-stock company with special emphasis on the use of the relative income method used in…
The article provides research results on the physiology and biochemistry of the digestion system of termites of the genus Anacanthotermes. It should be noted that the salivary and intestinal enzymes play an important…
The article is presented the relationship of the technical condition of the elements of bearing supports of mining equipment and spectral features based on the analysis of the high-frequency component of the…
The article discusses scientific elaborations on renewable energy sources made by national and international economists. The study evaluates the potential of renewable sources available in Uzbekistan from economic…
A domestic device designed for the implementation of the hair follicle transplantation procedure was studied for the first time in order to assess the suitability of extractable hair follicles of the donor zone for…
New antineoplastic preparations К-26 and К-26-w have been created on a basis of alkaloid colchicines, which were studied in animals with common tumors in comparison with commercial preparations taxol, vincristine and…
The study is aimed at demonstrating the usefulness of the rehabilitation program after extensive surgeries in patients with maxillofacial area (MFA) and neck tumors. Data from patients who underwent surgery in the…
Мақолада Na-КМЦ эритмасининг туз миқдори юқори (10-15%) бўлган шароитларда ҳамда турли ҳароратларда (20⁰С-80⁰С) реологик хоссаси ўрганилган. Эритма қовушқоқлигининг ўзгариши силжиш кучланиши ва ҳароратга боғлиқ равишда…
Мақолада тўртинчи тартибли оддий дифференциал тенгламани маълум шартлар бажарилганда, тўлиқ дифференциал тенгламага келтириб, тартибини пасайтириш усули кўрсатилган.
Мақолада Бессель оператори қатнашган оддий дифференциал тенгламанинг фундаментал ечимини топиш усули баён қилинган.
The article examines the activities of Uzbek television during the period of restructuring in the former Soviet Union and analyzes its contribution to the development of telejournalism during the years of restructuring…
In this work, we have studied by numerical methods the evolution of non-radial oscillations of an unsteady disk, which is surrounded by a passive ellipsoidal halo with a uniform density. For this purpose, we have…
. Hozirgi kunda shiddat bilan rivojlanayotgan axborot tizimlari va texnologiyalari sohasida mavjud axborot xavfsizligi sohasiga mansub bo‘lgan steganografiya usullari tahlili va ularni qo‘llash yo‘llari yoritilgan…
В работе установливаются асимптотические формулы для распределений стационарных длин очередей двойственных систем массового обслуживания M|G|1|N и GJ|M|1|N-1 при ρ1.
Работа посвящена задаче построения алгоритмов решения отдельных классов дискретных экстремальных задач на отыскание точного оптимума, для решения которых используются процедуры расшифровки и нахождения максимального…
В работе рассматривается точечно-взаимодействующая двухчастичная квантовая система. Соответствующий оператор Шредингера (оператор энергии) строится как самасопряженное расширение симметрического оператора Лапласа…
В работе численно решена осесимметричная задача фильтрации суспензий с образованием кейк слоя. Изучено влияние различных параметров модели на компрессионное давление и давление жидкости вдоль кейк слоя, а также на рост…
Исследована анизотропия затухания акустических волн в кубических кристаллах германата висмута методом Брэгговской дифракции света в диапазоне частот 0.4 – 1.6 ГГц. Определены эффективные мнимые упругие константы для…