Search Results - "Ivanov, M. A"
-
1
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…”
Get full text
Journal Article -
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…”
Get full text
Journal Article -
3
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…”
Get full text
Journal Article -
4
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…”
Get full text
Journal Article -
5
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…”
Get full text
Journal Article -
6
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)…”
Get full text
Journal Article -
7
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…”
Get full text
Journal Article -
8
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…”
Get full text
Journal Article -
9
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.,…”
Get full text
Journal Article -
10
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…”
Get full text
Journal Article -
11
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,…”
Get full text
Journal Article -
12
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…”
Get full text
Journal Article -
13
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…”
Get full text
Journal Article -
14
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…”
Get full text
Journal Article -
15
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…”
Get full text
Journal Article -
16
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…”
Get full text
Journal Article -
17
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…”
Get full text
Journal Article -
18
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…”
Get full text
Journal Article -
19
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…”
Get full text
Journal Article -
20
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…”
Get full text
Journal Article