Search Results - "Ivanov, M. A."
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Low-Frequency Noise in Light-Emitting Diodes Based on InGaN/GaN Quantum Wells under Electric Actions Accompanied with an Increase in the External Quantum Efficiency
Published in Technical physics (2021)“…The results of testing the degradation of light-emitting diode structures with InGaN/GaN quantum wells are reported. An increase in the external quantum…”
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2
Influence of Low Temperature on the Electrophysical and Noise Characteristics of UV LEDs Based on InGaN/GaN Quantum Well Structures
Published in Semiconductors (Woodbury, N.Y.) (01-08-2023)“…Comparison of optical power, external quantum efficiency in InGaN/GaN UV LEDs at room temperature and liquid nitrogen temperature is carried out. The spectral…”
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Degradation of InGaN/GaN Quantum Well UV LEDs Caused by Short-Term Exposure to Current
Published in Technical physics (01-11-2023)“…A comparative analysis of the initial stages of degradation of ultraviolet and blue LED structures with InGaN/GaN quantum wells is carried out. In the mode of…”
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Analysis of the Morphology of Monocytes and Lymphocytes from COVID-19 Patients Using Low-Voltage Scanning Electronic Microscopy
Published in Bulletin of experimental biology and medicine (01-12-2023)“…Severe course of COVID-19 is largely determined by hyperactivation of the immune system, or cytokine storm, in which immune cells (lymphocytes, monocytes, etc…”
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Current Noise and Efficiency Droop of Light-Emitting Diodes in Defect-Assisted Carrier Tunneling from an InGaN/GaN Quantum Well
Published in Semiconductors (Woodbury, N.Y.) (01-01-2019)“…The current dependences of the spectral noise density and quantum efficiency in green and blue light-emitting diodes with InGaN/GaN quantum wells (QWs) are…”
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Changes in the Rate of Soil Loss in River Basins within the Southern Part of European Russia
Published in Eurasian soil science (01-06-2019)“…Four river basins located in the forest, forest-steppe, and steppe zones of European Russia were evaluated for two time intervals (1960–1985 and 1986–2015)…”
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Erosion as a Factor of Transformation of Soil Radioactive Contamination in the Basin of the Shchekino Reservoir (Tula Region)
Published in Eurasian soil science (01-02-2021)“…Redistribution of sediments and Chernobyl-derived 137 Сs transported with them were estimated using a set of field methods and erosion model calculations for…”
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Development of a Test System to Detect the Omicron Variant of SARS-CoV-2 and the Frequency of Its Detection in Patients
Published in Bulletin of experimental biology and medicine (01-06-2022)“…We developed a new test system to detect the omicron variant of SARS-CoV-2 using allele-specific reverse transcription PCR and estimated the frequency of its…”
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New records of Heterocera (Insecta, Lepidoptera) from the Republic of Khakassia and South of Krasnoyarsk region (South Siberia, Russia)
Published in Acta biologica Sibirica (28-11-2019)“…Here we presented the new data and new records of Lepidoptera (Crambidae, Cossidae, Lasiocampidae, Drepanidae, Geometridae, Notodontidae, Noctuidae s.l.,…”
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Discriminant and factor analyses as tools for comparison of terrestrial and Venusian volcanic rocks
Published in Geochemistry international (2016)“…Statistical methods of multi-dimensional analysis (discriminant functions and factor analysis) were applied to compare the chemical analyses obtained by…”
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Feasibility Assessment for Leucosapphire Production from Aluminum Oxide Prepared Electrochemically
Published in Refractories and industrial ceramics (01-05-2018)“…Technology was developed to produce high-purity Al 2 O 3 , the raw material for manufacturing leucosapphire, which is widely used in metallurgical processes,…”
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Volcanic complexes on Venus: Distribution, age, mechanisms of origin, and evolution
Published in Petrology (01-03-2015)“…The paper addresses the morphology and age relations of plain terrains on Venus. The stratigraphically oldest and strongly tectonized complexes of this planet…”
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Topical hindpaw application of L-menthol decreases responsiveness to heat with biphasic effects on cold sensitivity of rat lumbar dorsal horn neurons
Published in Neuroscience (06-09-2012)“…Highlights ► Menthol raised thresholds of dorsal horn neuronal responses to noxious heat. ► Low-concentration menthol enhanced cold-evoked responses and…”
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The change of resurfacing regimes on Venus
Published in Solar system research (2015)“…The change of volcanic resurfacing regimes on Venus is discussed. The frequency-size distribution of the regional and lobate plains fields suggest that…”
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Chryse Planitia, Mars: Topographic configuration, outflow channel continuity and sequence, and tests for hypothesized ancient bodies of water using Mars Orbiter Laser Altimeter (MOLA) data
Published in Journal of Geophysical Research (25-02-2001)“…Many of the largest and most prominent outflow channels on Mars debouch into Chryse Planitia. Pre‐Mars Global Surveyor topographic data show Chryse to be a…”
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Synthetic DNA-compacting peptides derived from human sequence enhance cationic lipid-mediated gene transfer in vitro and in vivo
Published in Gene therapy (01-02-1999)“…Cationic lipids can deliver genes efficiently in vitro, but are generally inhibited by the presence of serum, and their efficiency in vivo is much lower than…”
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The problem of intermixing of metals possessing no mutual solubility upon explosion welding (Cu–Ta, Fe–Ag, Al–Ta)
Published in Materials characterization (01-01-2013)“…On the basis of the results obtained for joints of dissimilar metals such as copper–tantalum and iron–silver, the reason of immiscible suspensions mixing upon…”
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Anomalies in Weak Decays of Hadrons Containing a b Quark
Published in Physics of particles and nuclei letters (01-06-2023)“…A brief review of the current state of observed deviations of theoretical predictions from experimental data in semileptonic decays of and mesons is given. A…”
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Exclusive semileptonic decays of D and Ds mesons in the covariant confining quark model
Published in Frontiers of physics (01-12-2019)“…Recently, the BESIII collaboration has reported numerous measurements of various D ( s ) meson semileptonic decays with significantly improved precision…”
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The honeycomb terrain on the Hellas basin floor, Mars: A case for salt or ice diapirism
Published in Journal of geophysical research. Planets (01-04-2016)“…We present quantitative plausibility studies of potential formation mechanisms for the “honeycomb” terrain on the northwestern Hellas basin floor. The…”
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