OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
- Энергия гармонического осциллятора с импульсным воздействием
Елгондиев, К.К., Матмуратова, С.Р. · Ilim ha’m ja’miyet · 2019-09-10
The article deals with the problem of changes in the total energy of a harmonic oscillator under the influence of external forces of a pulsed nature. Formulas expressing the laws of change in the total energy are given…
- Компьютер графикаси талабаларнинг фазовий тасаввури ривожланишининг омили сифатида
Дилшодбеков, Ш.Д. · Ilim ha’m ja’miyet · 2019-09-10
The author of the article describes the method of using CAD programs software for the development, management and systematization of spatial imagination in students.
- Information security stages of the integration of alternative energy sources in the general electrical network
Davronov, S.R. · Ilim ha’m ja’miyet · 2019-09-10
The concept of intelligent networks appeared relatively recently and managed to cover the whole world. The energy infrastructure of developing countries needed to be updated in this direction. But the integration of…
- Олий таълимда «Элементар зарралар» физикасининг фанлараро алоқадорликдаги самарадорлигини ошириш
Давлетниязов, С. · Ilim ha’m ja’miyet · 2019-09-10
In the article Elementary particle Physics processes and objects are studied on the basis of the inter subject principle
- Temperature dependence of the output parameters of a polycrystalline silicon photoelectric module in Tashkent conditions
Матчанов, Н.А., Атабоев, О.К., Кабулов, Р.Р. · O‘zbekiston fizika jurnali · 2019-09-10
The light load current-voltage characteristics of solar photovoltaic module based on polycrystalline silicon have been studied at the temperature range of t=(19−40)°С under conditions of natural solar illumination…
- Special consolidated catalog of dwarf galaxies in the universe up to a distance of 121 ipc
Кутлимуратов, С., Таджибаев, И., Нуритдинов, С. · O‘zbekiston fizika jurnali · 2019-09-10
The bank of observational data on dwarf galaxies has been assembled. Based on the observational data, a special composite catalog of dwarf galaxies up to a distance of 121 Mpc was composed. This catalog contains…
- Electronic spectroscopy of CdMeTe nanostructures created on the CdTe surface by ion bombing
Умирзаков, Б.Е., Эргашов, Ё.С., Худойберганова, Ш.Ф., Мирзаев, Д.А. · O‘zbekiston fizika jurnali · 2019-09-10
The electronic structure of CdМеTe nanostructures was studied by techniques of secondary and photoelectron spectroscopy. Particularly, for the first time it has been shown that in the conductivity band of the CdZnTe…
- Productivity indicators of A2 and AD1 genome amphidiploid hybrids of cotton
Hasan Muminov, Sofia Rizaeva · Илм-фан ва инновацион ривожланиш · 2019-09-04
The article presents the results of studies to determine the productivity of A2 and AD1 genomic amphidiploids hybrids of cotton. Different indicators were gained based on the analysis of the obtained data on the…
- Manufacturing of ionizing radiation sources of IRIDUM-192 for GAMMARID-192/120М gamma-defectoskopy
U. T. Ashrapov, S. S. Khuzhayev, Z. I. Karabekov, Z. B. Nasritdinov, Z. B. Nasritdinov · Илм-фан ва инновацион ривожланиш · 2019-09-04
Gamma-flaw detectors Gammarid-192/120М with ionizing radiation sources of iridium-192 (Ir-192) are widely used for the nondestructive testing (NDT) of various products. Currently, the development and manufacturing of…
- Development of the technology of production of import substitution adsorbents based on local raw materials
M. P. Yunusov, Kh. A. Nasullaev, G. A. Gashenko, A. R. Sultanov, Sh. T. Gulomov, B. J. Mustafaev, Сhief еngineer Bukhara oil refinery · Илм-фан ва инновацион ривожланиш · 2019-09-04
The following work presents the results of the study of methods for producing effective zeolite and aluminum oxide adsorbents for the condensation of various process streams, including liquefied petroleum and other…
- Methods for improvement and manufacture of modern polymer composite materials for flooring the passenger carriages
Yadgor Ruzmetov, Olmos Zainiddinov, Muhammad Valiev · Илм-фан ва инновацион ривожланиш · 2019-09-04
The article describes a method for producing a polymer composite material based on an epoxy matrix. Complex mechanical and technological tests of the composite were carried out. It is assumed that the constituent…
- Surgical treatment of persistent defects of the anterior wall of the trachea in children
Sh. N. Khudaybergenov, Otabek Eshonkhodjaev, Rustem Hayaliev · Илм-фан ва инновацион ривожланиш · 2019-09-04
Elimination of permanent defects of the anterior wall of the trachea is a crucial issue, as it is the subject of research and discussion of thoracic surgeons, plastic surgeons and otolaryngologists. The authors…
- Ensuring financial security of investment funds
Актам Усманович Бурханов · Илм-фан ва инновацион ривожланиш · 2019-09-04
The financial security is becoming one of the key factors for sustainable development of the country, since business entities generate the added value when creating the gross domestic product of the state. In addition…
- Modeling of the processes of interaction of fiber mass with boiler grid and isolation of herbular impurities from IT
Rustam Sulaimonov, Botir Mardonov, Anatoly Lugachev, Mahfuza Gapparova · Илм-фан ва инновацион ривожланиш · 2019-09-04
In the republic, the volumes of harvesting of hard-to-clean breeding varieties «S-6524», «Sulton», «An-Bayaut-2», «Namangan-77», «Omad» and others have increased annually. In 2018, their share amounted to 80% of the…
- High-quality raw silk production: new approach
Ulugbek Akhunbabaev, Gabdirashid Asrarov, Ilkhomjon Tuychiev · Илм-фан ва инновацион ривожланиш · 2019-09-04
The article presents findings of research into occupancy of cocoons with water. It has been found that the occupancy improves when cocoons undergo two-staged processing. Increased demand for the goods made of natural…
- Dependence of the medium square amplitude of zero vibration of atoms in the elements of the periodic system of mendeleev on the order number
Irisali Khidirov, Sayfiddin Rakhmanov, Sherzod Makhmudov · Илм-фан ва инновацион ривожланиш · 2019-09-04
According to the theory of thermal vibrations of atoms in crystals and the theory of scattering of X-rays and thermal neutrons by real crystals, the root-mean-square amplitude of the zero vibration of an atom in a…
- Formation of the theoretical basis for the implementation of innovative leasing services in the national economy
Sh. M. Latipova · Илм-фан ва инновацион ривожланиш · 2019-09-04
The formation of innovative ideas is often associated with the problem of finding sources of financing. In this regard, the article emphasizes the importance and significance of leasing as an effective means of…
- Tumors of the lower jaw and its reconstruction after operation
B. Q. Pirimkulov, A. I. Khasanov, A. I. Khasanov, A. A. Ibrohimov · Илм-фан ва инновацион ривожланиш · 2019-09-04
Jaw tumors are odontogenic and non-odontogenic. In all these types of tumors, the main treatment method is surgical treatment. Operations of the lower jaw are accompanied by severe cosmetic disorders and facial…
- A Further Study of the Substrate Constituents of the Fungus Annulohypoxylon boveri var. microspora
Ming‐Jen Cheng, Ming-Der Wu, Sung-Yuan Hsieh, Hing-Yuen Chan, Hsun‐Shuo Chang, Jih‐Jung Chen, Yueh‐Hsiung Kuo · Химия природных соединений · 2019-09-01
- Oxygenated Acids From Seed Lipids of Carthamus tinctorius
N. T. Ul’chenko, N. K. Yuldasheva, S. D. Gusakova · Химия природных соединений · 2019-09-01
- Synthesis from Undecylenic Acid of Macroheterocycles with Diacylhydrazine and Ester Fragments
Г. Р. Мингалеева, M. P. Yakovleva, G. Yu. Ishmuratov · Химия природных соединений · 2019-09-01
- A Novel Clerodane-Type Diterpenoid Glycoside from Sheareria nana
Xiaozhou Xu, Ping Zhang, Guolin Yang, Yong Zhao · Химия природных соединений · 2019-09-01
- Three New 3,4-Seco-Cycloartane Triterpenes from Leaves and Twigs of Gardenia sootepensis
Wei‐Wu Song, Xueqin Wang · Химия природных соединений · 2019-09-01
- Chemical Composition of the Essential Oil Obtained from Aristolochia clematitis Leaves from the Western Part of Romania
Alexandra Teodora Lukinich-Gruia, Călin Jianu, Călin Tatu · Химия природных соединений · 2019-09-01
- Composition of Essential Oil from the Leaves and Stems of Poincianella gardneriana
Andrêsa Suana Argemiro Alves, Marcílio Martins de Moraes, Cláudio Augusto Gomes da Câmara, Maria Fátima Araújo Lucena · Химия природных соединений · 2019-09-01
- Steroidal Phytohormone Contents in Several Herbal Blends
R. P. Litvinovskaya, A. L. Savchuk, M. A. Tomanova, В. А. Хрипач · Химия природных соединений · 2019-09-01
- New Synthetic Approach to a Racemic Analog of 3-Ethyl-4-Methylpentan-1-Ol, the Main Component of Formica polyctena Ant Pheromone
R. M. Sultanov, Ф.Ш. Хафизов, Ildar F. Khafizov, I. V. Ozden · Химия природных соединений · 2019-09-01
- Chemical Constituents of the Ginseng Cordyceps Medicinal Fungal Substance
HanXue Zhang, Ying Ying Liu, An Qi Guan, Zhi Dong Qiu, Wei Xu, Ailing Jia · Химия природных соединений · 2019-09-01
- Synthetic Transformations of Higher Terpenoids. 38.* Synthesis of Conjugates Containing β-Carboline and Tricyclic Diterpenoids
M. A. Gromova, Yu. V. Kharitonov, Tatyana V. Rybalova, Elvira E. Shults · Химия природных соединений · 2019-09-01
- A New Isochromeno[4,3-b]Chromen-7(5H)-One Derivative and Bioactive Constituents of Filipendula kiraishiensis
Chih-Wun Fang, Li‐Chai Chen, Hui-Chu Huang, Tsung-Hsien Chang, Chun‐Lin Chen, Ming‐Jen Cheng, Jih‐Jung Chen · Химия природных соединений · 2019-09-01
- A New Secoiridoid from the Stem Bark of Syringa reticulata
Mei Jin, Peng Pan, Wei Zhou, Zhehu Jin, Gao Li · Химия природных соединений · 2019-09-01
- Hypotensive and Antioxidant Constituents of Stem Wood of Bombax ceiba
Sadia Zikr‐ur‐Rehman, Muhammad Ali Versiani, Rubeena Saleem, Farzana Sadaf, Aisha Azmat, Mohammad Ahmad, Ahsana Dar, Shaheen Faizi · Химия природных соединений · 2019-09-01
- Two Carotane Sesquiterpenoids from Gymnopus sp. 0612-9 Against Penicillium italicum and P. digitatum, Which Decay Postharvest Citrus
Guanghua Huo, Tsai‐Fu Wu, Wenwen Peng, Dian-Ming Hu, zhijiang li, Di Huo · Химия природных соединений · 2019-09-01
- Phenolic Acids from the Seeds of Sophora alopecuroides
Ping Song, Hao Chen, Yun Huang, Yanzhang Wen, Ji Hao, Yibing Lv, Shihao Deng, Xinzhou Yang · Химия природных соединений · 2019-09-01
- Assessment of Essential Oils from Different Iranian Species of Alyssum
Pooran Golkar, Ahmad Fotoohi · Химия природных соединений · 2019-09-01
- Chemical Constituents of Alhagi sparsifolia
M. S. Muratova, Guo‐An Zou, Janar Jenis, Haji Akber Aisa · Химия природных соединений · 2019-09-01
- Phytochemical Investigation of Iphiona aucheri. Structural Revision of Donine
Yousef Dashti, Christian Hobson, Fatemeh Mazraati Tajabadi, Hassan Rezadoost · Химия природных соединений · 2019-09-01
- Lipids from Cysts of Aral Sea Brine Shrimp Artemia parthenogenetica
G. E. Berdimbetova, Sh. Sh. Orazova, N. K. Yuldasheva, Sh. K. Khidoyatova, S. D. Gusakova, Ш. Ш. Сагдуллаев · Химия природных соединений · 2019-09-01
- Volatile Constituents of Doronicum altaicum
Ж. Р. Шаймерденова, A. I. Makubaeva, Т. Оzеk, Gülmira Özek, Г. А. Атажанова, С. М. Адекенов · Химия природных соединений · 2019-09-01
- Synthesis of Methylcytisine 9-Thiocarboxamides
П. Р. Петрова, A. V. Koval′skaya, А. Н. Лобов, И. П. Цыпышева · Химия природных соединений · 2019-09-01
- Chemical Constituents of the Heartwood of Dalbergia tonkinensis
Ninh The Son, Yoshiyasu Fukuyama, Nguyễn Mạnh Cường · Химия природных соединений · 2019-09-01
- Secondary Metabolites from the Flowers of Michelia crassipes
G. C. Huang, C. L. Kao, H. C. Yeh, H. T. Li, C. Y. Chen · Химия природных соединений · 2019-09-01
- Synthesis of Isoflavone–Amino-Acid Conjugates
M. M. Garazd, M. S. Frasinyuk · Химия природных соединений · 2019-09-01
- Two New Isobenzofuranone Derivatives from Phyllanthus emblica and Their Bioactivity
Qian Gao, Haiying Xiang, Wei Chen, Jun Ling, Xing Chen, Jing Li, Tian-dong Zhang, Xuemei Li, Min Zou, Guangyu Yang, Qiu‐Fen Hu · Химия природных соединений · 2019-09-01
- The Antioxidant Compounds from Urtica fissa Flowers
Mengyue Wang, Lili Wu, Hao Zhang, Dun Zhu Ci Ren, Tonghua Liu, Xiaobo Li · Химия природных соединений · 2019-09-01
- Metabolites from Microalgae Schizochytrium mangrovei
Nguyễn Thị Minh Hằng, Tran Huu Giap, Thanh Nguyen Le, Nguyen Thi Tu Oanh, Đặng Diễm Hồng, Châu Văn Minh · Химия природных соединений · 2019-09-01
- A New Triterpene and a New Phloroglucinol Derivative from the Aerial Parts of Pogostemon auricularius
Đức Việt Hồ, Linh Thuy Thi Tran, Dung Viet Le, Hung Manh Tran, Nhan Trong Le, Anh Tuấn Lê, Hoai Thi Nguyen, Aіn Raal · Химия природных соединений · 2019-09-01
- Chemical Constituents of Microalgae Tetraselmis convolutae
Nguyễn Thị Minh Hằng, Tran Huu Giap, Thanh Nguyen Le, Đặng Diễm Hồng, Ngo Thi Hoai Thu, Châu Văn Minh · Химия природных соединений · 2019-09-01
- Characterization of Volatile Secondary Metabolites from Aerial Part of Mucuna sloanei
Abdulkabir Oladele Oladimeji · Химия природных соединений · 2019-09-01
- Glycosylflavones from Silene armeria and S. compacta
Д. Н. Оленников, N. I. Kashchenko · Химия природных соединений · 2019-09-01