Actual problems of Mathematics, Physics and Mecanics
Actual problems in modern technical sciences
Actual problems of Natural Sciences
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Actual problems in modern tourizm and economics
Modern problems of Philology and Linguistics
Actual problems in modern pedogogy and pshychology
Actual problems in modern agriculture
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Actual problems of Natural Sciences
SYNTHESIS OF THE 1, 2- PHENYLEN DIKARBOXYMETHYLENTARTRATE
The article presents the results of the study of the reaction of the sodium salt of tartaric acid dichloracetyl pyrocatechole in presence of dimethylformamide and dimethylsulfokside. The experiments attained the best exposures in the presence of dimethylformamide. The structure of the obtained...
3 May 2022, 21:59
SYNTHESIS AND NMR SPECTROSCOPIC STUDY OF HYDRAZONE DERIVATIES OF FERROCENOYLACETONE AND THEIR COMPLEXES
We obtained β-diketone – ferrocenoylacetone by Kleisen condensation. Hydrazones of monocarboxylic acids (H2L) were synthesized by the interaction of hydrazides of carboxylic acids with ferrocenoylacetone. On their basis, complexes with transition metals were obtained. The synthesized compounds were...
3 May 2022, 21:59
PARA-[DI-1,4-(4,4,4-TRIFLUOROBUTANDION-1,3)]-BENZENE THYOSEMICARBASE AND SYNTHESIS OF COMPLEX COMPOUNDS ON THE BASIS
In this article, para-[di-1,4-(4,4,4-trifluorobutanedione-1,3)]-benzene the reaction with thiosemicarbazide, the structure of the synthesized tridentate ligand, tautomeric form, the structure of complex compounds formed with intermediate metal ions UV-, IR spectroscopy studied and analyzed....
3 May 2022, 21:59
RESPONSE OF WHEAT VARIETIES TO SALT STRESS IN EARLY GROWTH STAGE
Crops are sensible to different factors in the early growth stages. Response of the winter wheat to salinity stress in germination and seedling stages are visible in laboratory experiments. Wheat root and shoot growth and salinity tolerance index determined in 14 days old seedlings....
3 April 2022, 21:59
CHEMICAL COMPOSITION OF BARBERRY FRUITS
This article is about the methods of quantitative and qualitative analysis carried out to study the chemical composition of the barberry extract, as well as its application in medicine....
3 March 2022, 21:59
CHEMICAL COMPOSITION OF BARBERRY FRUITS
This article is about the methods of quantitative and qualitative analysis carried out to study the chemical composition of the barberry extract, as well as its application in medicine....
3 February 2022, 21:59
NATIONAL CUISINES ARE A KEY FACTOR IN THE DEVELOPMENT OF FOOD TOURISM IN UZBEKISTAN
This article analyzes the fact that national cuisine is a key factor in the development of gastronomic tourism in Uzbekistan. The Uzbek cuisine has ancient and deep roots and also retains its traditional taste, as well as regional cuisine features in different regions of the country. The origin of...
3 February 2022, 21:59
SCIENTIFIC BASIS OF WATER RESOURCES AND THEIR EFFICIENT EXPLOITATION (on the example of Bukhara region)
The article provides recommendations on the acute shortage of water resources, which has become one of the global problems, the area of irrigated land in our republic and Bukhara region, the economical use of water resources used in agriculture and increasing their efficiency as well....
3 January 2022, 21:59
IMPACTS OF ZAMIN-M BIOPREPARATE ON INCREASING THE STORABILITY OF POTATO STORES
This article gives information about the effect on the shelf life and the technology of prolonging the shelf life of potato tubers grown on saline soils of Khorezm region (Inoyat-Jumaniyaz farm) on the technology of storage of biopreparation Zamin-M (based on strains of Bacillus subtilis, Bacillus...
3 January 2022, 21:59
IMPACT OF THE ANTHROPOGENIC FACTOR ON INVASIVENESS BY HELMINTHS
The paper studies the parasitization of some helminths for: enterobiosis, hymenolepiasis, taeniarhynchosis, ascaridosis, echinococcosis - the causative agents of various infectious diseases in adults’, children’s organs, the causes of their occurrence and measures to combat them...
3 December 2021, 21:59