Search Results - "Kovalev, D"
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1
Silicon Nanocrystals: Photosensitizers for Oxygen Molecules
Published in Advanced materials (Weinheim) (04-11-2005)“…Molecular oxygen plays an important role in many of the chemical reactions involved in the synthesis of biological life. In this review, we explore the…”
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2
Hypothesis-Driven Virtual Experiments: A Neuroinformatics Primer
Published in Lobachevskii journal of mathematics (2023)“…The paper demonstrates a new way of decomposing complex multidisciplinary problems using a platform for supporting the execution hypothesis-driven virtual…”
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3
Tsunami Waves off the Southeastern Coast of Sakhalin Island Caused by the Eruption of the Hunga–Tonga–Hunga–Ha’apai Volcano on January 15, 2022 According to Observations by Bottom Devices of Waves
Published in Moscow University physics bulletin (2024)“…The observation of waves (sea level oscillations) in the coastal water area of the southeastern coast of Sakhalin Island was carried out from November 2021 to…”
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4
Approbation of an innovative method of pretreatment of dark fermentation feedstocks
Published in International journal of hydrogen energy (12-09-2022)“…According to the International Energy Agency, only a small part of the full potential of biomass energy is currently used in the world. The annual amount of…”
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5
Effects of titanium high energy ball milling on the solid-phase reaction Ti+C
Published in Materials chemistry and physics (01-05-2022)“…The effect of high energy ball milling (HEBM) of titanium on the stoichiometry of TiCx under reaction diffusion in the Ti + C system was studied. It was found…”
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6
Crystallization of amorphous Cu50Ti50 alloy prepared by high-energy ball milling
Published in Journal of alloys and compounds (15-04-2018)“…Amorphous Cu50Ti50 alloy was prepared by short-term (20 min) high-energy ball milling (HEBM). According to TEM, electron diffraction, and HAADF STEM results,…”
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7
Excitation of Under-Ice Seiches of a Sea Port of the Sea of Okhotsk
Published in Doklady earth sciences (01-06-2019)“…Multiannual observations (2009–2017) by means of autonomous seiche recorders have been conducted for marine seiches with one second discreteness in the boot…”
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8
Dangerous Sea Phenomena in the Southern Part of Matua Island, Kuril Ridge
Published in Oceanology (Washington. 1965) (01-11-2020)“…— The results of an analysis of wave observations in Dvoinaya Bay at the southern part of Matua Island (Kuril Ridge) are reported. Experimental studies were…”
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9
Fast mechanical synthesis, structure evolution, and thermal stability of nanostructured CoCrFeNiCu high entropy alloy
Published in Journal of alloys and compounds (10-02-2022)“…A powder of equiatomic CoCrFeNiCu high entropy alloy (HEA) was prepared by short-term (120 min) high energy ball milling (HEBM). Our structural and chemical…”
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10
Solution combustion synthesis of nano-catalysts with a hierarchical structure
Published in Journal of catalysis (01-08-2018)“…[Display omitted] •SCS allows tuning of the catalytic properties by microstructure tailoring.•3-dimensional percolation network with hierarchical structure…”
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11
An Investigation of the Accumulation and Dissipation of Static-Electricity Charges on the Surface of Polymer Dielectrics Taking into Account Nonlinear Parameters
Published in Russian electrical engineering (01-08-2023)“…Accumulation and dissipation of static electricity charges (SECs) on the surface of floor polymer coatings with a thickness of 2–5 mm are studied taking into…”
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12
Self-Propagating High-Temperature Synthesis of High-Entropy Carbides in the Gasless Thermal Explosion Mode
Published in Doklady. Physical chemistry (1991) (01-12-2023)“…High-entropy carbides are a new class of inorganic compounds promising for a wide range of applications. A new concept was proposed for the synthesis of…”
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13
Attenuation of Gravity Waves in Fast Ice
Published in Doklady earth sciences (01-02-2019)“…The attenuation coefficients of sea waves in ice in the coastal zone of the Sea of Okhotsk with periods from 4 to 30 s were estimated as a function of their…”
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14
High-Temperature Synthesis of Mo3Al2C-Based Materials via Combustion of MoO3 + Al + C + Al2O3 Powder Mixtures
Published in Inorganic materials (01-09-2022)“…— This paper reports results on self-propagating high-temperature synthesis of cast materials in the Mo–Al–C system. Experiments were carried out in a 3-L…”
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15
Structure and Magnetic Properties of SrFe12−xInxO19 Compounds for Magnetic Hyperthermia Applications
Published in Materials (01-01-2023)“…In this work, complex studies of the structure and magnetic properties of SrFe12−xInxO19 powders obtained by the mechanochemical and citrate methods were…”
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16
Engineering of strong and hard in-situ Al-Al3Ti nanocomposite via high-energy ball milling and spark plasma sintering
Published in Journal of alloys and compounds (25-02-2022)“…•The Al-MMC were produced by spark plasma sintering of high-energy ball-milled Al-TiH2 reactive composites.•Phase and structure formation mechanisms were…”
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17
Tomo-PIV measurements in the wake of a tethered sphere undergoing VIV
Published in Journal of fluids and structures (01-08-2019)“…The 3D flow field in the wake of a tethered sphere ( D=6 mm, m∗=7.77, L∗=4.1) undergoing vortex induced vibrations (VIV) in a water tunnel, was measured using…”
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18
Synthesis of Nb2AlC MAX Phase by SHS Metallurgy
Published in Russian journal of non-ferrous metals (2020)“…A cast material based on the Nb 2 AlC MAX phase is formed by SHS metallurgy. The synthesis is performed using the Nb 2 O 5 –Al–C mixture with the CaO 2 –Al…”
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19
Similarity Heuristics for Clustering Wells Based on Logging-Data
Published in Lobachevskii journal of mathematics (2023)“…Accurate clustering of oil wells is important for lithological studies and hydrocarbon production processes. Traditional methods for solving this problem…”
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20
Synthesis of Cu2 –nSe via Autowave Combustion of an Elemental Powder Mixture
Published in Inorganic materials (01-11-2021)“…— A Cu 2 – n Se phase has been prepared by self-propagating high-temperature synthesis in the combustion regime using mixtures of Cu and Se powders. We have…”
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