OAK jurnallaridan yig‘ilgan 140147 ta ilmiy maqola: sarlavha, mualliflar, annotatsiya, kalit so‘zlar, DOI va tayyor iqtibos formatlari.
The production technology of a diagnostic agent for determining iodine deficiency has been developed. Established regulatory specifications for the iodine-dextrin capsules, to control the quality of the product. It can…
A resource and energy saving technology for obtaining white cement has been developed. It has been shown that the introduction of 10% phosphoangihydrate and 20-30% clay and up to 20% sulfoxlicer increases the whiteness…
It was shown the possibility of thermal alkaline fertilizers, and a technological scheme has been proposed, and the material balance of the process has been calculated. The process of obtaining thermophosphate…
The process of extraction of the sum of flavonoids from the aerial part of Glycyrrhiza glabra was studied. The optimal regimes of extraction were identified by the method of mathematical planning of the experiment by…
Phototoxic metal complexes (Mo (VI), Zn, Cu and Co (II)) with harmine and harmaline have been studied by electron spectroscopy and PMR. Garmaline predominantly protonated in acid media and formed onium compounds…
It is established that in the process of cotton seed kernels rolling the degree of destruction of globules and oil spheros, as well as the degree of lobe grinding, depends exponentially on the moisture and oil content…
A derivative of allyl ether 2-chlorophenyl-azo-(21-methyl-51-isopropyl-41-phenol) was synthesized based on the interaction of allyl chloride with 2-chlorophenyl-azo-(21-methyl-51-isopropyl - phenol - 41) in the presence…
The investigated differences in the physicochemical parameters of the foressic oil, obtained from low-grade cottonseed seeds, have revealed the need to improve the current technology for obtaining and processing oils…
The possibility of the most complete extraction of flavonoids from Bidentis tripartite was studied, as a result: 70% ethyl alcohol was chosen as the effective solvent; it was determined that the degree of crushing of…
X-ray studies have established that as a result of the thermal impact on the quartz-pyrophyllite rocks of the Boynxaksa deposit, the decomposition of the pyrophyllite phase begins at temperatures above 600 °C. The…
The article presents the data of experimental studies on testing the technical state of ball cement mills with dimensions 4.0х13.5 m. It is established that the correct selection of the weighted average diameter and the…
The composition of raw batch cement clinker on the basis of non-traditional local raw material – diabase is developed. The calculation of a four-component feed mixture was made and a clinker with activity at steaming…
By the consideration of criteria equations of Archimedes and Reynolds defined options for the establishment of the fluidized bed and addressed the issues of determining the speed of ash particles. The correlation…
Fireclay ceramic materials based on the graphite-kaolin system were synthesized using graphite concentrate of Zakhchakhona site and enriched kaolin AKF-78 of the Angren deposit with refractoriness more than 1750 оС. The…
The technology of processing of natural dolomite to magnesium nitrate solution form is developed. It is shown that the nitric acid solution of dolomite after complete or partial removal of calcium ions can be used as…
By the reaction of 1-aminoanthaquinone and 2-aminoanthraquinone with phenylisothiocyanate, halogen-, nitrobenzoylisothiocyanates in dimethylformamide by heating at 90 ˚C for 5 hours, the corresponding derivatives – 1,3…
In the article the results of the modification of stiff polyurethane foam with hydroxyl containing ammonium oligomers have been presented. The influence of duration of synthesis and concentration of…
The reactions of the preparation of α- (phenyl-azo) -allyl ester of β-naphthol, by the interaction of aniline with β-naphthol, and its alkylation with allyl chloride, the mechanism, and also the use as a pigment are…
The structure of glasses synthesized in the R2O-RO-CaF2-P2O5-Al2O3-SiO2 system was studied by scanning electron microscopy. Glasses have a complex heterogeneous structure associated with the formation of germinal or…
In this work, bioactive alkali free glass was synthesized in the RO-CaF2-P2O5-Al2O3-SiO2 system and the results of crystallization of glass in the temperature range 700-1000 °C were investigated. The glass…
On the basis of distilled fatty acids, their nitriles were synthesized and hydrogenated by hydrogen at 5,472- 5,674 МPa pressure was converted to primary aliphatic amines with a purity of 98%.
The Infra-Red Drying Process has been developed in the form of the equation of the first order in the form of a mathematical model. It is established that the use of infrared radiation together with convective drying in…
The synthesis of mixed amid of complexed compounds ofmagnium nitrate with formamide, carbamide and tiocarbamide was performed in this study. The composition, individual as well as methods of formamide, carbamide…
In the following article the developed new thickener are studied based on hydrolyzed acrylic emulsion (HAE), uzchitan and carboxymethyl starch for printing mixed fabrics cotton-silk. Investigated coloristic property…
The synthesis of pyridine bases based on primary, secondary and tertiary acetylenic alcohols and ammonia in the presence of catalysts of the TSFXA series was studied. It was determined that the selective catalyst for…
The reaction of obtaining the copper-zinc complex of HEDP in the presence of glycerol and EPA was studied in various ratios of the initial reagents. The dependences between effectiveness of inhibiting and ratio of Cu…
By polymerization of melamine and furfural in the presence of diphenylamine there was obtained new weakly basic anion exchanger. There was investigated the basic physicochemical properties of anion exchanger. With the…
The results of studies of the effect of fillers from branch kaolins of various grades on the performance properties of composite polymer materials are presented. Optimum amounts of fillers in the composite polymer…
The results of research on the use and return technogenic microsilica into the process of producing silicon metal and ferrosilicon are presented. The chemical composition and granulometric structure, physical and…
The influence of the glass and basalt fibers on the thermal properties of polypropylene was studied. It is estimated the effect type of concentration of fillers on the thermal properties of base polypropylene.
It is established that in the process of grinding the kernel of cotton seeds, a partial destruction of globules and spheroids of oil occurs before rolling them. At the same time, the greatest damage is observed during…
The complex activation technology for fabrication of the high-strength aseismic concrete was developed with using nature water modified by SiO2 nanoparticles. Concrete strength on 20% increasing is provided due to…
The effect of ultrasonic action on the density of electronic states localized at the Si-glass interface is studied. A method is proposed for determining the surface and volume generation rates of charge carriers using…
Complex rehabilitation of oncologic patients with maxillary- facial tract defects Rehabilitation of patients with malignant tumors and defects of the maxillofacial region allowed choosing the method for removing them…
To assessment of the neuroprotective effect of combined treatment of glaucoma optic neuropathy in patients with primary open-angle glaucoma. Under observation were 66 patients (69 eyes). Combined therapy included…
Summan’ In practical dentistry, endodontic treatment used in the treatment of complicated forms of caries (pulpitis, periodontitis) is one of the most difficult types of treatment. The urgency of the problem is due to…
The article presents the results of a review of the literature, which reflect current trends in scientific research to improve the organization of treatment of periodontal diseases. Based on the analysis of the…
The scientific review is devoted to deals with modem classifications of chronic kidney disorders and changes in the oral cavity, factors that affect them, and their prevention, treatment and management.
This article describes suprastructures of different miplantologys systems in the details . Nowdays it is becoming the actual question of the orthopedics support, it has been falsified that the correct chosen…
In modem dental literature (textbooks, manuals) periodontitis is presented as an inflammatory disease of periodontal tissues in the region of the tooth root. The authors believe that this definition does not affect the…
Secondary deformations of the I dentition can be observed both with stored tooth rows in cases of multiple carious lesions of the occlusal surfaces of the teeth, anatomically incorrect restoration of the occlusal…
Were examined 2257 students of Tashkent from 7 to 17 years. It is revealed that the studied cephalometric parameters of the brain part of the head for school years are measured unevenly; in all age groups in males, the…
In the Department of adult maxillofacial surgery clinic of the Tashkent state dental Institute and 2 - clinic of the Tashkent medical Academy, for the period 2016-2018 years received 16 patients with this pathology. The…
The results of treatment of 28 patients with a drastic atrophy of the alveolar portion of the toothless mandible. This metod is based on anatomic features of the denture bed. topography and functhion of the mimic and…
The article presents the results of the research conducted from December. 2018 to April. 2019 and based in the 3rd clinic of Tashkent Medical Academy and the Republican Specialized Scientific and Practical Medical…
Disorders of endothelial function with chronic recurrent aphthous stomatitis are systemic. In this regard, the identification of violations of the adhesion properties of the vascular wall with the development of chronic…
Summary. The aim of this study was to assess the level of dental morbidity of athletes involved m cyclic sports, and to develop methods for its effective prevention. We examined 230 athletes of various levels of traming…
The aim of the research was to study the dose-effect relationship of the experimental mixture (EM) for arresting caries treatment by changing a number of integral indicators (relative mass coefficients) of the internal…