OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
The article examines regional differences in the physical development of 17-year-old adolescents living in Tashkent and Bukhara Regionsand the Republic of Karakalpakstan. Body height was comparatively analyzed…
The dynamics of biomass accumulation and mineral nitrogen uptake by Dunaliella salina under batch cultivation conditions wereinvestigated. The culture exhibited a typical sigmoid growth pattern, comprising the lag…
Peripartum cardiomyopathy (PPCM) is a rare, potentially life-threatening form of dilated cardiomyopathy (DCM) that develops inlate pregnancy or early postpartum and causes heart failure with reduced LVEF. This paper…
In this study, the molecular-genetic characteristics of Catocala aestimabilis Staudinger, 1892, C. neonympha Esper, 1805, and C.nymphaea Esper, 1787, belonging to the genus Catocala Schrank, 1802 (tribe Catocalini)…
This study analyzes data regarding the taxonomic composition, biological characteristics, regional distribution of introducedspecies and cultivars, and practical significance of representatives of the Berberidaceae…
This study investigated the effects of ambient temperature and anthropogenic factors on selected physiological parameters ofathletes regularly engaged in kayaking and canoeing. The study involved 72 participants aged…
In this study, endophytic microorganisms were isolated from the root, stem, and leaf tissues of Eremostachys isochila Pazij &Vved., and their preliminary morphological and cultural characteristics were described. A…
This article analyzes the species composition and faunistic characteristics of the springtail (Collembola) fauna in the soil ecosystemof cotton agrocenoses in Shovot district. The relevance of the study is determined by…
This study investigated the antihypertensive activity of MPSGA (Mono-potassium salt of glycyrrhizic acid):Naringenin 4:1 andMPSGA:Apigenin 4:1 complexes, as well as extracts obtained from Phlomoides isochila (IM-1) and…
The present study analyzes the bioecological structure of the ichthyofauna of the Chortoqsoy River. A total of 12 fish species wererecorded from the upper and middle reaches of the river. The identified species were…
In this article, the mechanical composition of light gray soils distributed in the Gulistan district of Syrdarya region was assessedunder climate change conditions. During the study, soil samples were taken at different…
The role of soy protein in the development of obesity should not be underestimated, given its status as a major component, thepresence of bioactive compounds, and its high biological value. Moreover, soy protein…
This article provides a scientific analysis of the impact of the livestock sector on the environment, environmental problems, andways to address them in the Republic of Karakalpakstan. Natural, economic, social, and…
This article reports on the enzymatic and antimicrobial activity of the endophytic strain Bacillus subtilis – IH 25, isolated from themedicinal plant Inula helenium. It was found that the strain synthesizes the enzymes…
In this study, 50 winter bread wheat accessions (35 foreign and 15 local) from different agro-ecological regions were evaluated forresistance to stripe rust under greenhouse (2023) and field conditions (2024-2025) using…
Soybean (Glycine max) is considered a crop of immense economic importance due to its high content of oil (18%) and high-qualityprotein (~40%). Consequently, soy proteins are currently widely used in the food industry…
This research work highlights the methodology and practical results of artificial emasculation (castration) and hybridization carriedout between the local daikon (Japanese radish — Raphanus sativus L.) variety “Sodiq”…
A new [CuL2(CH3COO)2]·H2O complex was synthesized from copper(II) acetate and 2-propionylaminobenzimidazole (L). Itsstructure was characterized by elemental analysis, single-crystal XRD, and Hirshfeld surface analysis…
Our research has shown that abiotic factors have a significant impact on the distribution of the earthworm Aporrectodea caliginosatrapezoides, which is distributed in the agrocenoses of the Sangzor Valley. We found that…
This article presents an analysis of the HVI and HVII segments within the D-loop region of mitochondrial DNA. The variabilityof mitochondrial DNA is primarily observed in the HVI and HVII segments of the D-loop region…
This article investigates the biochemical composition, enzymatic activity, and toxic effects of the venoms of poisonous snakesinhabiting the Republic of Karakalpakstan, including the Turan blunt-nosed viper (Vipera…
In this article, magnetic nanoparticles based on iron-group metals (Fe, Co, Ni) were synthesized using the chemical condensation method, and their size and crystal structure were investigated. The synthesized magnetic…
The decomposition stages of the Aktau deposit limestone and the elemental composition of the products were investigated usingDTA, SEM, and EDS methods. Intensive decarbonization occurs in the temperature range of…
This article investigates the biological efficacy of biopreparations based on Bacillus thuringiensis and Trichoderma lignorumagainst the larvae of Agrotis segetum, one of the dangerous pests of agricultural crops…
Due to the increasing demand for sustainable and clean energy sources, thermoelectric materials are seen as a promising solution for energy harvesting and waste heat conversion into electricity. Oxide perovskites are…
In this scientific article, the comprehensive impact of technogenic and industrial wastes on the genetic-morphological structure,physicochemical properties, and agrochemical fertility indicators of soil layers under the…
This study examines the ontogenetic development and biomorphological characteristics of Vigna umbellata (Thunb.) Ohwi &Ohashi under introduction conditions. The research was carried out in Tashkent City and the Karmana…
Root-knot nematodes are among the most destructive endoparasitic plant-parasitic nematodes affecting vegetable crops worldwide.Their pathogenicity is characterized by the formation of root galls, disruption of water and…
The article recommends a comprehensive assessment of the performance results of agricultural clusters in order to evaluate their activities and determine the level of their relations with the interests of cluster…
The article deals with the possibilities of wind energy in the territory of the Jizzakh region. There was also mention of a low power wind generator. The annual and monthly wind energy of the Jizzakh region was also…
This paper presents a mathematical model for assessing the decontamination degree during pulsed electric field treatment of plants. The proposed model is based on nonlinear regression relationships describing the…
This study evaluated the field performance of a solar-powered ultrasonic electrotechnology for protecting potato plants against the Colorado potato beetle. The experiment was conducted in Kitab District, Kashkadarya…
The paper presents materials related to the development of a threshing device for threshing seed corn cobs, which allows for threshing only full-fledged seed grains after separating their upper and lower parts that have…
This article examines a technology for processing cottonseed meal into specialized cottonseed flour for use in biotechnology and pharmaceutical production. The purpose of this article is to analyze the technological…
The article presents information on the design, operating principle, and development of an experimental prototype of a device developed for husking agricultural crop seeds with various protective and nutritional…
This study proposes an automated computer vision framework to detect and monitor mixed herds of cattle and sheep. By integrating unmanned aerial vehicle (UAV) imagery with ground-level perspectives, a multimodal dataset…
This scientific article provides a systematic analysis of the current state, achieved results, and existing challenges in implementing digital technologies within the agricultural sector of the Republic of Uzbekistan…
The article presents the results of the development and testing of quantitative indicators for monitoring land in rural settlements, namely the Soil Sealing Coefficient (SSC) and the Development Intensity Coefficient…
The content of soil organic matter, macro- and micronutrients, beneficial microorganisms, and other valuable organic substances has been steadily declining. In some irrigated soils of the desert regions of the Republic…
This article evaluates the physicochemical properties of irrigated soils in the Karakul Oasis, located in the lower reaches of the Zarafshan River, and analyzes their influence on soil biological activity. The study…
The baseline agrochemical condition Of irrigated meadow soils was analyzed, focusing on the patterns of vertical distribution of humus, as well as total and available nutrients (nitrogen, phosphorus, potassium) along…
In this article, the effect of optimal irrigation regimes on the water–physical properties of the soil was determined during the cultivation of the winter barley variety “Novosadski 565” under meadow-alluvial…
Spatiotemporal dynamics of Cu, Zn, Cd and Pb (2021-2023, Gulistan, Khavast and Mirzaabad sites) were assessed. Across nine annual observations, mean, standard deviation, coefficient of variation, criterion-normalized…
Введение. Современная система высшего медицинского образования предполагает подготовку специалистов, способных не только применять профессиональные знания, но и эффективно взаимодействовать с пациентами, коллегами и…
Kirish. Globallashuv va raqamlashuv sharoitida ingliz tili xalqaro muloqot, ilm-fan, texnologiya va kasbiy faoliyatning asosiy vositalaridan biriga aylandi. O‘zbekistonda xorijiy tillarni o‘qitish sifatini oshirish…
Kirish. Tilshunoslikda latifa (anekdot, hazil) og‘zaki nutqning muhim janrlaridan biri bo‘lib, u xalq tafakkuri, milliy dunyoqarash va estetik didning yorqin ifodasi sifatida namoyon bo‘ladi. Latifalar qisqa, ixcham va…
Kirish. XXI asrda robototexnika yuqori sur’atlarda rivojlanayotgan fan va texnologiya yo‘nalishlaridan biriga aylandi. Sanoat robotlari, avtonom mobil tizimlar, sun’iy intellektga asoslangan robotlar, inson-robot…
Kirish. Zamonaviy jamiyatda ta’lim tizimi oldiga qo‘yilayotgan asosiy talablar tubdan o‘zgarib bormoqda. Ilm-fan va texnologiyalar rivoji, raqamli transformatsiya jarayonlari hamda global iqtisodiy raqobat sharoitida…
Kirish. “Vaqt - inson egalik qiladigan eng qimmatli, ammo eng o‘tkinchi resursdir.” Shiddatli axborot davrida vaqtni to‘g‘ri his qilish va undan unumli foydalanish talaba yoshlarning hayotiy muvaffaqiyatini belgilovchi…
Mazkur maqolada Buxoro tumanida yashovchi aholining kundalik nutqida qo‘llanadigan ayrim maqollar haqida so‘z yuritiladi. Unda maqollarning kelib chiqishi va etimologik xususiyatlari tahlil qilinib, ularning turli…