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113 Result(s)
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Chapter and Conference Paper
Development of the Solar Collector Orientation Mechanism Design
The article proposes a new modular design of a vacuum solar collector with additional salt panels that are part of a common work surface, adapted to operating conditions in areas with low temperatures, rare bu...
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Article
Theoretical Study of the Grinding and Homogenization of a Binary Mixture of Reactive Powders in a Mechanical Activator
A mathematical model in a macroscopic approximation is used to perform a theoretical study of solid-phase mechanochemical synthesis in a binary powder mixture during its mechanical processing in a mechanoactiv...
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Article
Role of Mixing and Milling in Mechanochemical Synthesis (Review)
Selected topics of inorganic mechanochemical synthesis are discussed. Variant mechanochemical syntheses are considered. The ex situ and in situ/operando methods to monitor the process are discussed. Methods fo...
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Article
Mathematical Model of the Grinding and Mixing of Powder Binary Solids in a High-Energy Mill
A mathematical model is developed for macroscopic approximation and quantitative calculations of the dynamics of mixing of solid components of a binary powder mixture during its dispersion in a grinding unit. ...
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Article
A Model of Solid-Phase Synthesis in Binary Powder Mixtures with Allowance for Caking
A mathematical model of solid-phase chemical synthesis in a binary powder mixture is constructed and studied with allowance for the shrinking of the mixture and the change in the reaction surface as a result o...
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Article
Luminescence Spectroscopy as a Tool to Study the Amorphization of Indomethacin upon Co-Grinding with Polymers
The possibility of using luminescence spectroscopy to study even the early stages of the amorphization of active pharmaceutical ingredients (APIs) during their co-grinding with different polymers has been demo...
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Article
Mechanochemical processes with the reaction-induced mechanical activation. Chemo-mechanochemical effect
The review addresses the special case of mechanical activation of solid-state chemical reactions when the stress field, strain, and defects in crystals are induced by the chemical reaction itself rather than b...
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Article
Mechanochemistry in Siberia
The development of studies on mechanical activation and mechanochemistry in Siberia is discussed. The role of Siberian scientists in the establishment of this important division of modern chemical science in o...
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Article
Dynamics of the Homogenization of Binary Powder Mixtures
The effect the initial structure of a two-component reaction powder mixture has on the dynamics of its isothermal homogenization is investigated. Relations for determining the duration of homogenization are ob...
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Article
Inhibition of organic mechanochemical synthesis by water vapor
The effect of water on the mechanochemical synthesis in the glycine–malonic acid system has been studied in different types of devices. Comparative studies of the hygroscopicity of the reagents and products ma...
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Article
Analgesic Effect of Several Nonsteroidal Anti-Inflammatory Drug Nanoaerosols
The analgesic activities of nanoaerosols of the nonsteroidal anti-inflammatory drugs indomethacin, butadion, and diclofenac were studied. It was found that nanoaerosol delivery of these drugs gave analgesic ac...
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Article
Antitumor activity of the diacylated betulin composites with arabinogalactan
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Article
Different effect of impact and shear mechanical treatment on mechanochemical cocrystallization of piroxicam and succinic acid
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Article
Effect of α- and γ-polymorphs of glycine on the intranasal delivery of manganese hydroxide nanoparticles into brain structures
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Article
Effect of Mechanochemical Treatment on Physicochemical and Antitumor Properties of Betulin Diacetate Mixtures with Arabinogalactan
It was shown using gel-permeation chromatography that arabinogalactan in a SPEX 8000 ball mill changed its molecular-weight distribution (MWD) after mechanochemical treatment. The presence of betulin diacetate...
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Article
About the possibilities to detect intermediate stages in mechanochemical synthesis of molecular complexes
We have developed a device to carry out mechanochemical reactions, which allows us to detect the intermediate products during the reaction and to stop mechanical treatment after they have been formed.
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Article
Different effects of α- and γ-glycine on the aberrant activity of pyramidal neurons of hippocampal slices
Experiments in vitro on hippocampal slices of mouse have shown that solutions prepared from polymorphic modifications α- and γ-glycine have different effect on the aberrant activity of neurons. In the presence of...
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Article
Influence of mechanical treatment on the properties of betulin, betulin diacetate, and their mixture with water-soluble polymers
The influence of mechanical treatment on the properties of betulin, betulin diacetate, and their mixture with water-soluble polymers was studied. It was shown that mechanical treatment in a planetary mill-acti...
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Article
A new method for obtaining fine powders of paracetamol for compression without excipients
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Article
Homogeneous nucleation from a supersaturated sulfur vapor in a laminar flow diffusion chamber