OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
- Phenanthrenes from Kochia prostrata
Gulnaz Seitimova, B. K. Eskalieva, G. Sh. Burasheva, M. Iqbal Choudhary · Химия природных соединений · 2018-07-01
- Two New Phthalate Derivatives from the Marine Sponge Haliclona sp.
Bin Wang, Heying Zhou, Cheng‐Hai Gao, Riming Huang · Химия природных соединений · 2018-07-01
- Syntheses, Transformations, and Cytotoxicities of 2,3-Secolupane Acetylhydrazones
И. А. Толмачева, Daria V. Eroshenko, Victoria V. Grishko · Химия природных соединений · 2018-07-01
- Chemical Constituents of Balanophora involucrata
Jing Feng, You Peng, Weiwei Zhao, Hong-Jia Fan, Zhenliang Sun, Lu Yuan · Химия природных соединений · 2018-07-01
- Lupane and Ursane-Type Triterpenoids from Pergularia tomentosa
Halima S. Al Hinai, Wafaa M. Al-Subhi, Fatma Rashid S. Al-Rubaiai, Syed Imran Hassan, Neelam Sherwani, Majekodunmi O. Fatope · Химия природных соединений · 2018-07-01
- A New Dammarane-Type Saponin from the Rhizomes of Panax japonicus
Tong-Fei Zhu, Qing-Hua Deng, Ping Li, Linfeng Hu, Zhihui Yan, Yuan-Juan Yang · Химия природных соединений · 2018-07-01
- Chemical Constituents of Uncaria scandens
Aimei Yang, Xiaolong Shi, Zesheng Zheng, Fulu Zhang, Guoyu Qi, Chunlei Li, Na Han · Химия природных соединений · 2018-07-01
- Absolute Configuration of (2R,3R,6S,8R)-Methyl Homononactate, a Polyketide from Actinomycetes Streptomyces sp. R-527F of the Arctic Region
Fei Ye, Menghao Cai, Bo Chen, Wei Xiao, Xu‐Wen Li, Yue‐Wei Guo · Химия природных соединений · 2018-07-01
- Chemical Constituents of Inula montana Flowers and Leaves
Elnur Garayev, Gaëtan Herbette, Fathi Mabrouki, Philippe Chiffolleau, David G. Roux, Évelyne Ollivier, R. Elias, Béatrice Baghdikian · Химия природных соединений · 2018-07-01
- Cytotoxic Bisindole Alkaloids from Tabernaemontana bovina
Бо Лю, Shu-jian Liu, Rui Zhan, Guoli Huang, Xingjun Tian, Yegao Chen · Химия природных соединений · 2018-07-01
- A New Cyclopentenone Derivative from the Sponge-Associated Fungus Hypocrea koningii
Panpan Qiu, Lijian Ding, Dengquan Su, Shan He · Химия природных соединений · 2018-07-01
- Synthesis and Cytotoxic Activity of Amides from Isopimaric Acid
Juanjuan Liu, Yanju Lu, Zhen-Dong Zhao, Shichao Xu, Liangwu Bi · Химия природных соединений · 2018-07-01
- Three New Diterpenoids from the Bark of Ptychopetalum olacoides
Wanxia Tang, Ziwei Gong, Ming Zhao, Qingbin Wang, Wenzhi Zhang, Shujun Zhang, Yoshiyasu Fukuyama · Химия природных соединений · 2018-07-01
- New Synthesis of Allobetulin 3-O-Acylates
Александр Владимирович Левданский, Alexandеr A. Kondrasenko, В. А. Левданский, Борис Н. Кузнецов · Химия природных соединений · 2018-07-01
- A New Phloroglucinol Derivative from Syzygium austroyunnanense
Shaohua Xu, Yuting Lu, Xi Zhu, Ruizhe Zhang, Zhen Wang, Wen Xu, Yong Zhao · Химия природных соединений · 2018-07-01
- Antimicrobial Activities of Two Iridoid Glycosides from Physochlaina physaloides
Qinghu Wang, Na-ren-chao-ge-tu Han, Su-ri-na Huo, Yin-ping Bao · Химия природных соединений · 2018-07-01
- Hydroxycinnamates and Flavonoids from the Flower of Fagopyrum esculentum
Byoungjae Park, Chiho Yamahira, Cheol‐Ho Park, Hiroaki Samejima, Kwang-Jin Chang, Michio Onjo · Химия природных соединений · 2018-07-01
- Synthesis and Inhibitory Properties of Imines Containing Monoterpenoid and Adamantane Fragments Against DNA Repair Enzyme Tyrosyl-DNA Phosphodiesterase 1 (Tdp1)
А. Л. Захаренко, Evgenii S. Mozhaitsev, Е. В. Суслов, Д. В. Корчагина, Константин П. Волчо, Нариман Ф. Салахутдинов, Olga I. Lavrik · Химия природных соединений · 2018-07-01
- Diketopiperazine Alkaloids and Steroids from a Marine-Derived Pleosporales sp. Fungus
Yan Xu, Ao Zhu, Fei Cao, Yunfeng Liu · Химия природных соединений · 2018-07-01
- A New Aristolactam Alkaloid from Michelia compressa var. compressa
Chien‐Liang Lin, C. L. Kao, W. J. Li, H. T. Li, C. Y. Chen · Химия природных соединений · 2018-07-01
- Seed Lipids from Pulmonaria obscura
S. G. Yunusova, Marat S. Yunusov, Н. И. Федоров · Химия природных соединений · 2018-07-01
- Synthesis of Betulonic and Betulinic Acids from Betulin
M. P. Yakovleva, В. А. Выдрина, R. R. Sayakhov, G. Yu. Ishmuratov · Химия природных соединений · 2018-07-01
- Chemical Constituents of Afzelia xylocarpa
Xu Cai, Jiaxiang Liu, Qishi Song, Keli Chen, Zhiyuan Lu, Yumei Zhang · Химия природных соединений · 2018-07-01
- Phytotoxic Secondary Metabolites from the Endolichenic Fungus Myxotrichum sp.
Chao Yuan, Gang Ding, Haiying Wang, Yuhua Guo, Xiaojun Ma, Zhong‐Mei Zou · Химия природных соединений · 2018-07-01
- Triterpene Saponins from Branches of Pinus massoniana
Rui Wang, Kai Wang, Chuanling Si, Yan-Yan Luo, Wei Liu, Xinxing Zhang, Yuyang Tian, Junhui Wang · Химия природных соединений · 2018-07-01
- Minor Ecdysteroids from Rhaponticum uniflorum Leaves from Eastern Siberia
Д. Н. Оленников · Химия природных соединений · 2018-07-01
- Chemical Constituents of Seed Oil Leavings of Xanthoceras sorbifolia
Lili Yu, Lili Yu, Jiachuan Liu, Liquan Yu, Liquan Yu, Lixia Chen, Feng Qiu · Химия природных соединений · 2018-07-01
- Ergostane Steroids from Coprinus setulosus
Qing‐Yun Ma, Shuang Yang, Sheng‐Zhuo Huang, Fan‐Dong Kong, Qingyi Xie, Hao‐Fu Dai, Zhifang Yu, You‐Xing Zhao · Химия природных соединений · 2018-07-01
- Free Carbohydrates, Glucofructans, and Other Polysaccharides from Rhaponticum uniflorum
Д. Н. Оленников · Химия природных соединений · 2018-07-01
- A New Fawcettimine-Related Alkaloid from Lycopodium japonicum
Qian Yang, Yuquan Zhu, Rui Zhan, Yegao Chen · Химия природных соединений · 2018-07-01
- Quinazolinones Isolated from Aspergillus sp., an Endophytic Fungus of Astragalus membranaceus
Rui Liu, Hui Li, Junxia Yang, AN Zhi-peng · Химия природных соединений · 2018-07-01
- Chemical Constituents of the Roots of Cinnamomum randaiense
Chien Liang Lin, M. H. Perng, W. J. Li, H. T. Li, C. Y. Chen · Химия природных соединений · 2018-07-01
- A New cis-Caffeoyl Coumarin Glycoside from the Stem Barks of Fraxinus depauperata
Yanyan Luo, Liqiu Hu, Junhui Wang, Tingwu Liu, Lin Sun, Shujun Han, Jiahui Shen, Chuanling Si, Weicheng Hu · Химия природных соединений · 2018-07-01
- Diterpene Alkaloids from Aconitum smirnovii
Bo Zhao, Jiaheng Zhao, Ш. Ш. Сагдуллаев, H. A. Aisa · Химия природных соединений · 2018-07-01
- LC-MS/MS Identification of Novel Saponins from the Viscera of Sea Cucumber Apostichopus japonicus
Xuanming Zhang, Xiaobin Li, Shanshan Zhang, Qiuxia He, Hairong Hou, Li Dang, Jing-Lan Guo, Yufeng Chen, Yu Tao, De-Jie Peng, Liwen Han, Kechun Liu · Химия природных соединений · 2018-07-01
- Chemical Constituents of Streptocaulon griffithii
Xiaowei Zhang, Kuiwu Wang, Hong Wang · Химия природных соединений · 2018-07-01
- Secondary Metabolites From the Stems of Cinnamomum kanehirai
Chien Liang Lin, C. L. Kao, W. J. Li, H. T. Li, C. Y. Chen · Химия природных соединений · 2018-07-01
- Analysis of energy performance of ferrous metallurgy enterprises based on the scheme of decomposition
I U Rakhmonov · Тошкент давлат техника университети хабарлари · 2018-06-11
The task of determining specific electricity consumption is complex, as it is necessary to take into account a large number of factors affecting the energy indicators that determine the level of these indicators. At the…
- Organization of the english teaching process
Irrigatsiya va melioratsiya jurnali · 2018-06-01
Article deals with the methods of teaching English language. Also, the author introduces the methods of learning the vocabulary without translation, with giving their definitions, analyzing the speech patterns and…
- Experience of the basin water management assocoation of the syrdarya to create a database period
Norkobul Rakhmatov · Irrigatsiya va melioratsiya jurnali · 2018-06-01
The Syrdarya water basin association is an intergovernmental coordinating organization which is part of the interstate commission (ICWC) on Aral Sea rescue in the role of "Executor". Transboundary waters are distributed…
- The economy of water resources with the use of polymer complexes in irrigation of a cotton
Mukhamadkhan Khamidov, B. Suvanov, K. Khamroev · Irrigatsiya va melioratsiya jurnali · 2018-06-01
The article deals with the use of polymer complexes in alluvial-meadow soils under the pre-determined humidity of 70-80-65% of the maximum field moisture capacity, in the second option with the 1-2-1 scheme in the…
- Effect of mungbean repeated culture on cotton vegetables under conditions of southern zone of karakalpakstan
Lutfullo Mirzaev, Nazar Ibragimov · Irrigatsiya va melioratsiya jurnali · 2018-06-01
Investigations carried out under conditions of meadow alluvial soils in the southern zone of the Republic of Karakalpakstan have determined the effectiveness of various norms of mineral fertilizers (N160P100K75…
- The role of educational discipline "Method of teaching special discipline "In the preparation of masters to scientific and pedagogical activity
Z.Q. Ismoilova, П. М. Махсудов · Irrigatsiya va melioratsiya jurnali · 2018-06-01
The training of highly qualified specialists for various sectors of the national economy, as well as the training of pedagogical personnel for higher educational institutions, is the main task of the magistracy. At the…
- Selflessness is a factor in protecting of the source of life
X. Xamidov · Irrigatsiya va melioratsiya jurnali · 2018-06-01
This article presents ideas on the significance of the four most important elements, the sun, earth, water, air which play a unique role in the creation of nature, all living things as well as plants, animals and human…
- Мodernization technology repairing acentrifugal water pump
Sh. U. Yuldashev, Diana Abdumuminova · Irrigatsiya va melioratsiya jurnali · 2018-06-01
The article provides an overview of the principle of the pump D630-90, as well as methods for studying the real conditions of technical support to improve maintainability and optimize technological processes and…
- Modeling of nonlinear vibration problems with fluid flows through pipelines
F.J. Тurayev · Irrigatsiya va melioratsiya jurnali · 2018-06-01
In this paper, mathematical model of nonlinear vibration problems with fluid flows through pipelines have been developed. Using the Bubnov–Galerkin method for the boundary conditions, the resulting nonlinear…
- Equipment basis of performance of results of scientific research works
Akhrorkhon Khamidov, B. Suvanov, U. Djuraev · Irrigatsiya va melioratsiya jurnali · 2018-06-01
The article provides information on modern high-precision digital laboratory instruments obtained within the framework of the BioWat scientific project: The German Federal Republic (BMBF), sponsored by the Ministry of…
- Strain characteristics of soil and methods of their determination
Karim Sultanov, Pavel Loginov, Zulfiya Salikhova · Irrigatsiya va melioratsiya jurnali · 2018-06-01
The method to define strain characteristics of soil under dynamic loading is proposed based on the results of experiments on dynamic compression of soils on the device for dynamic loading in laboratory conditions; the…
- Influence of irrigation regime and fertilizer norms on the yield of "ANDIJAN-36", S-6524 varieties of average fiber cotton under the condition of typical seedic soilss
Akmal Shamsiev, Nurmamat Rajabov · Irrigatsiya va melioratsiya jurnali · 2018-06-01
On the condition of typical sierozem soils of Tashkent province the research were conducted to study the optimal irrigation and fertilizer application scheduling of Andijan-36 and S-6541 cotton varieties. The paper…
- Construction of wells of vertical draining from polyethylene pipes for improvement of the meliorative condition of irrigated land
Abirov R.A., Umida Sadikova, L.F. Uzakbayev · Irrigatsiya va melioratsiya jurnali · 2018-06-01
The filter cage is the main element of the water intake part of the vertical drainage wells, made of polyethylene pipes meets all the criteria for well design. The proposed design of the water intake part of the…