OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
- Solar pumped laser based on composite titaniumsapphire active medium
Payziyev, Sh., Makhmudov, Kh., Bakhramov, S., Kasimov, A. · O‘zbekiston fizika jurnali · 2018-09-21
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…
- Study of the formation of taylor cone in high-vacuum electrospray ionization process
Akhunov, Sh.Dj., Kasimov, B.Sh., Usmanov, D.T. · O‘zbekiston fizika jurnali · 2018-09-21
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…
- Self-organization of fullerene C60 molecules in volume of evaporating droplets
Makhmanov, U.K., Kokhkharov, A.M., Bakhramov, S.A. · O‘zbekiston fizika jurnali · 2018-09-21
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…
- Adsorption of C60 fullerene on defect-free graphene
Stelmakh, V.G., Yadgarov, I.D., Ulukmuradov, A.N. · O‘zbekiston fizika jurnali · 2018-09-21
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…
- Limitation of the accuracy of temperature measurement by semiconductor sensors depending on the stabilization coefficient of the operating current
Абдулхаев, О.А., Бебитов, Р.Р., Абдулхаева, А.Р., Ёдгорова, Д.М. · O‘zbekiston fizika jurnali · 2018-09-21
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…
- Investigation of impurity elements and profiles of their distribution over the depth of the Ni-GaP-SnO2 system
Абдувайитов, А.А., Болтаев , Х.Х. · O‘zbekiston fizika jurnali · 2018-09-21
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…
- Relaxation processes in the Si-SiO2 system
Далиев , Х.С. · O‘zbekiston fizika jurnali · 2018-09-21
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…
- Width of quasi-stationary levels and density of states of two-dimensional electronic gas
Абдулазизов, Б.Т., Давлатов, А.Б., Иноятов, Ш.Т., Хакимов, А.А. · O‘zbekiston fizika jurnali · 2018-09-21
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…
- Comparative analysis of the processes of formation of 7 be nuclei and the system (α + 3 He) in channels with the Yield of alpha particles in the 16Op interactions AT 3.25 a GeV / s
Олимов, К., Юлдашев, Б.С., Тожимаматов, Ш.Д., Турдиев, Б.Р., Мамасолиев, М.Ш., Дусмурадов, Э.Э., Курбанов, А.Р., Файзиев, Т.Б., Абдиев, Б.Ш., Тургунов, А.Р. · O‘zbekiston fizika jurnali · 2018-09-21
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…
- Анализ фотометрических свойств избранных гравитационно-линзированных систем. II. В1422+237
Ахунов, Т.А. · O‘zbekiston fizika jurnali · 2018-09-21
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…
- Nonlinear mathematical model for monitoring and forecasting the process of distributing aerosol particles in the atmosphere
Ravshanov prof., Normahmad, Shafiev, Tursun, Tashtemirova, Nodira · ТАТУ хабарлари · 2018-09-20
In this article there was developed a mathematical model for predicting, monitoring and assessing the ecological state of the atmosphere and underlying surface by passive and active impurities, where the varying…
- Interval extension structure basic types of solutions of boundary value problems for linear partial differential equations of the second order
Nazirov prof., Shodmankul, Muminov, Bahodir Boltayevich · ТАТУ хабарлари · 2018-09-20
. In this article, the interval expansion of the structure of solving basic types of boundary value problems for partial differential equations of the second order of making the basic operations that compose interval…
- Wavelet methods for cardio signals processing
Zaynidinov prof., Hakimjon Nasridinovich, Zaynutdinova dos., Dilfuza Bahodirovna, Azimova, Umida, Kuchkarov, Muslim Adhamovich · ТАТУ хабарлари · 2018-09-20
The article discusses the use of wavelet transforms and algorithms in the digital processing of cardiosignals in a number of medical applications due to their good adaptability to the analysis of non-stationary signals…
- Information technologies in logistics and their contribution for competitiveness improvement of companies
Khakimova, Shaxnoza Nuraliyevna, Ibrohimov, Elbek Bakhodirovich · ТАТУ хабарлари · 2018-09-20
Fundamental changes have occurred in today’s economy. These changes alter the relationship we have with our customers, our suppliers, our business partners and our colleagues. IT developments have presented companies…
- A New Diterpenoid from Sheareria nana
Di Wu, Keming Li, Bairong Sun · Химия природных соединений · 2018-09-01
- A New Benzylbutane Lignan from the Stems of Schisandra bicolor
Xiaoyu Mo, Yinning Chen, Han Yu, Huili Hao, Riming Huang · Химия природных соединений · 2018-09-01
- A New Steroid Ester from the Leaves of Melia azedarach
Xinhua Ma, Fang Zhou, Yanping Deng, Kai‐Hui Sun, Haitao Zhang, Xianming Zeng, Yonghong Zhang, Xiangbin Yu · Химия природных соединений · 2018-09-01
- Synthesis of Optically Active Macrolides from L-menthol
M. P. Yakovleva, Г. Р. Мингалеева, K. S. Denisova, Н. М. Ишмуратова, G. Yu. Ishmuratov · Химия природных соединений · 2018-09-01
- A New Dibenzocyclooctadiene Lignan from Kadsura longipedunculata
Jin Zhang, Yaojie Guo, Jiushi Liu, Xiaoguang Jia, Bengang Zhang, Haitao Liu · Химия природных соединений · 2018-09-01
- Synthesis and Antifungal Activity of Khusinol and its Derivatives
Urvashi Urvashi, Khushminder Kaur Chahal, Ramandeep Kaur · Химия природных соединений · 2018-09-01
- Carboxylic Acids from Iris graminea and I. halophila
О. А. Михайленко, А. V. Krechun, В. Н. Ковалев · Химия природных соединений · 2018-09-01
- Synthesis and Anticoagulant Bioactivity of Heterocyclic Derivatives of Resveratrol
Hai Yang, Yujie Ren, Cheng Du, Jin Lu, R. Li, Nan Xie · Химия природных соединений · 2018-09-01
- Synthesis of Fencholenic Aldehyde from α-pinene Epoxide on Modified Clays
A.Yu. Sidorenko, Zh. V. Ignatovich, А. L. Ermolinskaya, А.В. Кравцова, А. В. Барановский, Е. В. Королева, В. Е. Агабеков · Химия природных соединений · 2018-09-01
- New Flavonol Glycosides from the Seeds of Desmodium styracifolium
Xuanxuan Cheng, Xiaomin Tang, Chu-chu Guo, Chunrong Zhang, Quang Yang · Химия природных соединений · 2018-09-01
- Resveratrol Oligomers from the Stem Bark of Vatica mangachapoi
Hui Yang, Xiao‐Ping Song, Chang‐Ri Han, Guang‐Ying Chen, Shou‐Yuan Wu, Wen‐Hao Chen · Химия природных соединений · 2018-09-01
- Phytochemical Constituents Isolated from Euphorbia rapulum
Xiao Xue Liu, Hongmei Ma, Wenjing He, Yun Sun, Wei Lan · Химия природных соединений · 2018-09-01
- Chemical Constituents of Zanthoxylum armatum. I
Tao Guo, Tongtong Song, Xiao-Feng Tang, Subei Tan, Ya Wang, Yinquan Wang · Химия природных соединений · 2018-09-01
- Secondary Metabolites from Branches of Eucommia ulmoides
Wei Xiong, Lei Wu, Ju-Wu Hu, Xin-Yi Ji, Jianping Fu, Jiayin Zhang, Chuanling Si, Jin-Kyu Kim, Xionghui Li · Химия природных соединений · 2018-09-01
- Volatile Constituents of Siliquamomum tonkinense from Vietnam
Lê Thi Huong, Dao Thi Minh Chau, Nguyễn Viết Hưng, Đỗ Ngọc Đài, Isiaka A. Ogunwande · Химия природных соединений · 2018-09-01
- Monoterpenoid Indole Alkaloids from the Leaves of Alstonia scholaris
Jiang‐Miao Hu, Xia Mao, Xiaodong Shi, Nianhua Jin, Junyou Shi · Химия природных соединений · 2018-09-01
- Chemical Constituents of the Stem Barks of Quercus mongolica
Yi Zhou, Mei Jin, Wei Zhou, Gao Li · Химия природных соединений · 2018-09-01
- Amides of N-Deacetyllappaconitine and Unsaturated Fatty Acids
Т. М. Габбасов, Е. М. Цырлина, S. G. Yunusova · Химия природных соединений · 2018-09-01
- Chenisterol, a New Antimicrobial Steroid from Chenopodium badachschanicum
Shagufta Afaq, I. Fatima, Farah Inamullah, Shazia Khan, Mehdi Hassan Kazmi, Abdul Malik, Rasool Bakhsh Tareen, Muhammad Shaiq Ali, Mohammad Farhad, Tanveer Abbas · Химия природных соединений · 2018-09-01
- Two New Isoflavones from Pueraria lobata and Their Bioactivities
Jing Li, Qi-Li Mi, Fengmei Zhang, Ye‐Kun Yang, Jianhua Chen, Lin Ye, Chengming Zhang, Guangyu-Yang, Qiu‐Fen Hu, Zhihua Liu, Xiaohui Wang, Xuemei Li · Химия природных соединений · 2018-09-01
- Lipids from Orostachys spinosa
И. Г. Николаева, L. P. Tsybiktarova, В. В. Тараскин, Л. Д. Раднаева, Ж. А. Тыхеев, Г. Г. Николаева, P. G. Manzhigeev · Химия природных соединений · 2018-09-01
- Chemical Composition of Essential Oil from Leaves of Stemodia foliosa Growing Wild in a Fragment of the Atlantic Forest of Pernambuco, Brazil
Larissa Lourenço de Oliveira, M. K. L. da Rocha, Julia Costa Oliveira, Cláudio Augusto Gomes da Câmara · Химия природных соединений · 2018-09-01
- Synthesis of O- and N-Aminopropyltriterpenoids Based on Messagenin
G. V. Giniyatullina, О. Б. Казакова · Химия природных соединений · 2018-09-01
- Synthesis and Biological Activity of Steroidal Tigogenin Hydrazones and Pyrazolines
N. Sh. Nadaraia, M. L. Kakhabrishvili, Н. Н. Барбакадзе, Vakhtang Mshvildadze, Balla Sylla, Jean Legault, André Pichette · Химия природных соединений · 2018-09-01
- Essential Oil Composition of Hawthorn Crataegus monogyna Inflorescence
Radosław Kowalski, Grażyna Kowalska, Klaudia Kałwa, Monika Sujka · Химия природных соединений · 2018-09-01
- Secondary Metabolites of the Endophytic Fungi Penicillium polonicum and Their Monoamine Oxidase Inhibitory Activity
Muammer Abdelwahed Elsunni, Zhong‐Duo Yang · Химия природных соединений · 2018-09-01
- Phenolic Compounds from Leaves of Nitraria sibirica
Ch. Turghun, M. Bakri, Guo‐An Zou, Х. М. Бобакулов, Haji Akber Aisa · Химия природных соединений · 2018-09-01
- Synthesis and Cytotoxic Activity of Conjugates of (–)-Cytisine and Thermopsin Amine Derivatives with 1,3-Dimethyl-5-Formyluracil
И. П. Цыпышева, П. Р. Петрова, A. V. Koval′skaya, А. Н. Лобов, Marina A. Maksimova, Л. Ф. Зайнуллина, Валентина И. Виноградова, В. А. Вахитов, Yu. V. Vakhitova, Ф. З. Галин · Химия природных соединений · 2018-09-01
- 9-Hydroxy-, 9-Acetyloxy-, and 9-Hexanoyloxy Fatty Acids from the Glandular Trichome Exudate of Silene latifolia subsp. alba
Akiko Ohkawa, Kiyoshi Ohyama, Yoshinori Fujimoto · Химия природных соединений · 2018-09-01
- Secondary Metabolites of Fungus Penicillium thomii Associated with Eelgrass Zostera marina
Sh. Sh. Afiyatullov, Elena V. Leshchenko, Alexandr S. Antonov, Olesya I. Zhuravleva · Химия природных соединений · 2018-09-01
- Isoquinoline Alkaloids from Corydalis pallida
Ah‐Reum Han, Hyang Rim Kim, Yun Seo Kil, Unwoo Kang, Dae Sik Jang, Eun Kyoung Seo · Химия природных соединений · 2018-09-01
- Makisterone C-20,22-Acetonide from Rhaponticum uniflorum
Д. Н. Оленников · Химия природных соединений · 2018-09-01
- Synthesis and Antioxidant Activity of New Neomenthyl and Caranyl Thiotriazoles
Yulia V. Gyrdymova, Д. В. Судариков, О. Г. Шевченко, С. А. Рубцова, Павел А. Слепухин, S. A. Patov, Ф. А. Лахвич, Ф. С. Пашковский, А. В. Кучин · Химия природных соединений · 2018-09-01
- Triterpenes, Flavonoids, and Lignans from Dracocephalum heterophyllum
Qiang‐Qiang Shi, Jianqiang Zhao, Jun Dang, Xiang Yuan, Qilan Wang · Химия природных соединений · 2018-09-01
- Chemical Composition of Essential Oil from Cercis griffithii Growing in Tajikistan
Farukh Sharopov, Sodik Numonov, Abduahad Safomuddin, И. С. Гулмуродов, Abdujabbor Valiev, M. Bakri, Maidina Habasi, William N. Setzer, Haji Akber Aisa · Химия природных соединений · 2018-09-01
- Fatty Acids from Fritillaria pallidiflora and Their Biological Activity
Qiang Dong, H. Yimamu, Parhat Rozi, Marina Mohd Bakri, Ahmidin Wali, Aytursun Abuduwaili, Abulimiti Yili, H. A. Aisa · Химия природных соединений · 2018-09-01