Search Results - "Karimov, K. K."
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Boundary Value Problems in a Semi-infinite Parallelepiped for an Elliptic Equation with Three Singular Coefficients
Published in Lobachevskii journal of mathematics (01-03-2021)“…The Dirichlet and the Keldysh problems for a three-dimensional elliptic equation with three singular coefficients are investigated in a semi-infinite…”
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2
Nonlocal Problem for an Elliptic Equation with Singular Coefficients in a Semi-infinite Parallelepiped
Published in Lobachevskii journal of mathematics (2020)“…We consider a three-dimensional elliptic equation with two singular coefficients, for which a nonlocal problem is studied in a semi-infinite parallelepiped…”
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3
Saving freshwater from salts
Published in Science (American Association for the Advancement of Science) (26-02-2016)“…Ion-specific standards are needed to protect biodiversity Many human activities—like agriculture and resource extraction—are increasing the total concentration…”
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4
The Tricomi–Neumann Problem for a Three-Dimensional Mixed-Type Equation with Singular Coefficients
Published in Siberian mathematical journal (01-05-2024)“…Under study is the Tricomi–Neumann problem for a three-dimensional mixed-type equation with three singular coefficients in a mixed domain consisting of…”
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The Third Boundary Problem for a Mixed-Type Equation with Three Singular Coefficients
Published in Lobachevskii journal of mathematics (01-08-2023)“…In this work, the third boundary value problem for a three-dimensional mixed-type equation with three singular coefficients in a domain consisting of a quarter…”
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6
Dirichlet Problem for an Elliptic Equation with Three Singular Coefficients
Published in Journal of mathematical sciences (New York, N.Y.) (02-05-2021)“…We prove the unique solvability of the first boundary-value problem for an elliptic equation with three singular coefficients in a rectangular parallelepiped…”
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7
The reactivity of cinnamic acid derivatives as lignin precursors
Published in Tonkie himičeskie tehnologii (Online) (12-09-2020)“…Objectives . Cinnamic acid derivatives belong to a large class of phenolic compounds, which are widely distributed in plants and have high potential for use in…”
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8
Sulfuric Acid Leaching of High-Arsenic Dust from Copper Smelting
Published in Metallurgist (New York) (01-07-2016)“…In connection with the deterioration in the quality of the concentrates that are now being produced and the use of recycled raw materials, lead, zinc, and…”
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The Dirichlet Problem for an Elliptic Equation with Singular Coefficients in a Semi-Cylindrical Domain
Published in Lobachevskii journal of mathematics (01-09-2020)“…We consider a three-dimensional equation of elliptic type with two singular coefficients, for which the Dirichlet problem is studied in a half-cylinder. The…”
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10
Simulation of fluid outflow from a channel with complex geometry
Published in E3S Web of Conferences (01-01-2020)“…Topic of the paper is the simulation of fluid outflow from a channel with complex geometry. Subject of the study is the outflow of fluid from a channel with an…”
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Corrosion Behavior of 12Kh18N10T Steel in the LiCl–KCl Melt Containing f-Element Chloride Additives
Published in Russian metallurgy Metally (01-08-2023)“…When spent nuclear fuel (SNF) is processed, the LiCl–KCl melt (0.49 : 0.51) is used in an inert atmosphere. All metal materials in this salt melt are extremely…”
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12
Extraction of Nonferrous Metals and Arsenic from Thin Dusts of Copper Fuel Production by Combined Technology
Published in Russian journal of non-ferrous metals (01-11-2021)“…Thin dust from copper smelting production is a valuable raw material for the extraction of heavy nonferrous, noble, and rare metals. One feature of dusts is…”
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13
Oxidation Sulfuric Acid Autoclave Leaching of Copper Smelting Production Fine Dust
Published in Metallurgist (New York) (01-03-2019)“…Lead, zinc, and arsenic are associated elements in copper ores. Due to deterioration of concentrate quality and involvement in recycling of secondary raw…”
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14
Optimizing revision arthroplasty: the role of customized articulating spacers
Published in Geniĭ ortopedii = Genij ortopedii (20-10-2024)“…Introduction The advancement of surgery is set against a backdrop of continuous development and surgical innovations have transformed the way clinical care is…”
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The Unique Solvability of Boundary Value Problems for a 3D Elliptic Equation With Three Singular Coefficients
Published in Russian mathematics (01-02-2019)“…We state and study several boundary value problems for an elliptic equation with three singular coefficients in a rectangular parallelepiped. Using the method…”
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Humidity and illumination organic semiconductor copper phthalocyanine sensor for environmental monitoring
Published in Environmental monitoring and assessment (01-06-2008)“…In this investigation properties of organic semiconductor copper phthalocyanine (CuPc) capacitive humidity and illumination sensors were studied. Organic thin…”
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Autoclave Ammonia Leaching of Silver from Low-Grade Copper Concentrates
Published in Metallurgist (New York) (01-11-2018)“…Autoclave ammonia leaching of silver from low-grade copper concentrates is studied with use of Zhezkazgan concentrates of the following composition, %: 9.55…”
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“Egyptian Statue”, Revealed in the South-Eastern Region of Azerbaijan, in the system of Ancient Cultural and Trade Relations
Published in Arkheologii͡a︡ Evraziĭskikh stepeĭ (03-11-2023)“…Ancient Egypt, being one of the developed centers of the East, had close ties with Western Asia and the South Caucasus, both from a political and commercial…”
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TOTAL HIP REPLACEMENT POSSIBILITIES FOR PATIENTS WITH SUFFERED BONE METABOLISM
Published in Kreativnaâ hirurgiâ i onkologiâ (Online) (01-01-2017)“…The results of clinic and X – ray monitoring after total hip replacement of patients with disturbed bone metabolism had been analyzed. Zoledronic acid…”
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Temperature-dependent current–voltage characteristics of poly- N-epoxypropylcarbazole complex
Published in Thin solid films (01-11-2007)“…In this study, current–voltage ( I– V) characteristics of thin films of poly- N-epoxypropylcarbazole (PEPC) doped with anthracene have been investigated. The…”
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