| Nashriyot | Тошкент кимё-технология институти |
|---|---|
| Shahar | Toshkent |
| ISSN | 1992-9498 |
| e-ISSN | 2181-1121 |
| Tashkil etilgan | 2003 |
| Nashr tillari | Ingliz, O‘zbek |
| Nashr davriyligi | Yiliga 4 marta |
| Maqolalar soni | 427 |
| OAK holati | Ro‘yxatda |
The purpose of the work is to study the influence of the post-harvest ripening period of wheat grains in open storages on their technological and biochemical properties. The influence of storage of samples of wheat…
The purpose of the work is to study the process of synthesis of furfuryl oligomers with high molecular weight at various ratios of furfuryl alcohol and hydroxyl-containing polyether polyol. The influence of the process…
The purpose of this work is to study the chemical technological processes for eterification processes, and the reactive distillation unit, which carries out the reaction and separation process in one device, was chosen…
The aim of research is to study the new method of thermochemical synthesis of yttrium-aluminum garnet luminescent powder, cerium doped (Y3Al5O12:Се3+, YAG:Ce) using the nitric acid salts of yttrium, aluminum and cerium…
The purpose of this work in this study, acetylene alcohols containing heteroatomic substituents in their molecular composition- 2-(-thiophen-2-yl)but-3-yn-2-ol, 2-(3-methylthiophen-2-yl)but-3-yn-2-ol…
The effect on the surface properties and floatability of chalcocite and enargite after oxidative treatment with hydrogen peroxide (H2O2) in the presence and absence of potassium amylxanthate (PAX) as a collector was…
A three-dimensional numerical model of the system configurations of various types of solid oxide fuel cells (SOFCs) is used and the effect of parameters on SOFC performance is numerically investigated using COMSOL…
The purpose of this research work is to develop clinker and Portland cement compositions based on Surkhandarya raw materials for the planned construction of a cement plant, as well as to study their physical and…
The aim of this work is the synthesis and study of the physicochemical properties of the complex compound of copper (II) acetylacetonate with a 2-aminobenzimidazole derivative. A heteroligand copper (II) complex…
The main purpose of this work is to study emulsions stabilized by microparticles of kaolin clay of the Alekseevskoye deposit and bentonite clay of the Tagansky deposit to obtain safe, environmentally friendly and…
The purpose of the research is to establish the optimal technological parameters for the decomposition of the washed burnt phosphate concentrate (WBPC) of the Central Kyzylkum (CK) with nitric acid, to study the…
The purpose of the research is study of the reaction between natrium salt of oxalic acid and O-chloracetyl tymole in presence of dimethylformamide. High yields have been achieved by the reaction of…
The cement industry is currently making various efforts to reduce CO2 emissions. The blended cement produced by lowering the amount of clinker with using mineral additives has expanded as the trials to reduce CO2…
The aim of the study is the synthesis of decorative glass based on basalt from the Osmansai deposit. The chemical and mineralogical composition of basalt was studied, in which phases of anorthite, actinolite, magnetite…
Bismuth vanadate (BiVO4) and its hybrids have strong photocatalytic effect on water splitting and photodegradation of organic pollutants under visible light. The main goal is design of efficient electrocatalysts…
The article is devoted to the study of the influence of small and mechanically damaged starch grains contained in baking flour on the rheological properties of bread dough. At the same time, small-sized and mechanically…
The aim of the study is to obtain polymolecular complexes based on chitosan and Bombyx mori protein. To obtain complexes, protein and chitin are isolated from silk production waste, from which chitosan is synthesized…
The purpose of the study is synthesis and reaction ability of sodium percarbonate obtained by the wet method. The sodium percarbonate obtained on the basis of soda ash produced by JV LLC "Kungradskiy soda zavod". The…
The aim of the study is determination of chemical composition, physicochemical and biological properties of the Aral Sea water for further selection of the most economical and environmentally friendly method of lithium…
The aim of the study is to develop quality ground enamels based on local raw materials to replace imported ones. Glasses were synthesized in the SiO2–Al2O3–Na2O–K2O–СaO–B2O3–NiO system. The physical and technical…
The aim of this research work is production of colored antibacterial glaze coatings for ceramic products containing iron (III) and manganese (IV) oxides. The coatings are produced on the basis of multicalcium…
The goal is to reduce the sintering temperature of ceramics based on zinc orthostannate. This can be done by introducing sintering additives, which are manganese and nickel oxides. During the synthesis of zinc…
The aim of the work is to study the physical and chemical foundations of the simultaneous production of sodium hydroxide - caustic soda and burkeite by the conversion of soda ash with calcium hydroxide - milk of lime in…
A dry extract of the leaves of stevia, belonging to the Asteraceae family, grown in Uzbekistan, was extracted with hot water for use as a sweet flavor additive in the food industry. The content of the extract was…
One of the ways to increase the efficiency of the activation process of baking yeast is the use of waste and by-products of the food industry as nutrient media. The goal of the study was to develop ways to activate…
The goal was to study the structure of glass ionomer cements (GIC) developed on the basis of glasses of the SiO2-Al2O3-CaO-ZnO-P2O5-CaF2 system. Glass powders with sizes less than 50 μm were sealed with a 40% solution…
The kiln process in cement plant has the advantage of completely and effectively destroying and burning all organic substances due to high temperature and long residence time, oxygen atmosphere and excellent mixing…
The purpose of this research is to study the conditions of thermal curing of unsaturated polyesters (NPEP) using IR spectra and thermal analysis. The curing of synthesized unsaturated polyesters based on the products of…
The article explores the features of the physicochemical and technological processes of clinker synthesis under the conditions of changing the traditional raw material base using non-traditional raw materials and the…
Based on the industrial interest in cyanuric acid derivatives, the aim of the study is to perform a theoretical analysis of cyanuric acid trivinyl esters (2a-4a) and trivinyl cyanurate (2b-4b) using the DFT/defs-TZVP…
The cement industries worldwide are currently trying to find alternative cementitious materials for reducing the environmental impact and promoting sustainability. Among them, one is waste glass utilization. A major…
The purpose of this work is the synthesis and study of the structure and properties of mixed-ligand complex compounds UO22+ containing 2-amino-1-methylbenzimidazole (L1) and diisopropyldithiophosphoric acid (L2). A…
The aim of the work is to synthesize a demulsifier and determine its effectiveness in testing oil from the Zharkurgon field under static conditions. Hydrolyzed polyacrylonitrile was used to synthesize the demulsifier…
The aim of the research was modification of commercial sulfonic cation exchanger KU-2-8 with titanium (IV) solutions. The conditions for modifying the cation exchanger depending the concentration of the solution and the…
The aim of the study is to obtain superplasticizers based on pyrolysis products of the Ustyurt gas chemical complex. The chemical composition of heavy pyrolysis distillate was studied and analyzed, the qualitative and…
The sulfurization method has been used to decrease the band gap of the BiVO4 structure, reduce the recombination of electrons and holes, and increase the photoelectrochemical performance of this material. It has been…
The aim of the re is to enrich the washed burnt phosphor concentrate of Central Kyzylkums with extraction phosphoric acid. Optimal technological parameters of enrichment have been established, at which there is no loss…
The purpose of our work is to isolate and study the physicochemical properties of pectin substances (an acidic polysaccharide) isolated from the pursley medicinal plant (lat. Portúlaca olerácea) growing on the lower…
The aim of the work is to conduct gas condensate studies of the Maimanak field, to obtain complete physical and chemical characteristics of gas condensate. A set of laboratory works was carried out to study gas…
The aim of the study is to study the chemical composition of the grain of rye "Vakhsh-116" grown in the Andijan region of the country, the analysis of its technological properties, the comparison of the chemical…
The aim of the research is study the mechanism of calcium silicate hydrates (CSH) interaction with an aqueous solution of copper chloride (CuCl2) to further develop optimal parameters of the technological process of…
The aim of this study was to develop and validate the quantitative determination of titration and HPLC methods and compare them in terms of reproducibility. The development of new approaches to quality control requires…
The aim of the work is the synthesis and study of aryloxyalkylamines used as corrosion inhibitors. As a result of aminomethylation of arylproporgyl ethers, phenoxybutin-2-dimethylamine and phenoxy-butin-2-diethylamine…
The aim of the research is to develop lead-free optical glass with increased refractive index based on BaO – B2O3 – SiO2 system. A study of technological and physical-chemical properties of glass was conducted. It has…
The purpose of this work is determination of crystal structure and Hirschfeld surface void analysis for many intermolecular interactions in the crystal structure of…
The purpose of the study was to study the physicochemical and microbiological characteristics of groundwater and drinking water samples used in the preparation of wheat grain for grinding, as well as to study their…
The purpose of this study is to develop a technology for incorporating essential oils (EOs) into yogurt. Various essential oils such as cinnamon oil, garlic oil, caraway oil and clove oil in yogurt are used as…
The paper studies the influence that Al2O3, B2O3, SiO2 and CaO containing modifying components introduced in different combinations have on the technological and mechanical properties of basalt glass concerning their…
In this study, we aimed to isolate genomic DNA (gDNA) from a yeast cell using various methods and choose the cheapest, most convenient, and fastest method among them. For this purpose, based on a thorough review of the…
The aim of the work is to study the chemical composition of essential oil samples of four endemic species of wormwood growing in the Central Kopetdag, to determine the main components. Using the method of steam…