Search Results - "Y. Petrov"
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1
Dissecting the AGN Disk-Jet System with Joint VLBI-Gaia Analysis
Published in The Astrophysical journal (01-02-2019)“…We analyze differences in positions of active galactic nuclei (AGNs) between Gaia data release 2 and very long baseline interferometry (VLBI) and compare the…”
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2
Optoacoustic monitoring of cerebral venous blood oxygenation though intact scalp in large animals
Published in Optics express (13-02-2012)“…Monitoring (currently invasive) of cerebral venous blood oxygenation is a key to avoiding hypoxia-induced brain injury resulting in death or severe disability…”
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3
Instability effects of the dynamic crack propagation process
Published in Engineering fracture mechanics (01-02-2021)“…•Stress intensity factor – crack velocity dependence (K“ − ȧ) is numerically studied.•Space-time discreetness of the dynamic fracture is the fracture process…”
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4
Instabilities of Dynamic Strain Diagrams Predicted by the Relaxation Model of Plasticity
Published in Journal of dynamic behavior of materials (2022)“…To predict of appearance and disappearance of yield drop effects with regard to different dynamics, temperatures or other factors, the wide spectrum of the…”
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5
Instability of critical characteristics of crack propagation
Published in Acta mechanica (01-05-2021)“…The paper presents the numerically evaluated dependence of the stress intensity factor (SIF) on crack velocity ( K I - a ˙ dependence) in Homalite-100…”
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6
Experimental and numerical analysis of PMMA impact fracture
Published in International journal of impact engineering (01-09-2020)“…•Penetration of PMMA plates was studied experimentally and numerically.•Incubation time fracture model was used for the fracture simulations.•Plates with…”
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7
Precise measurement of the neutrino mixing parameter θ23 from muon neutrino disappearance in an off-axis beam
Published in Physical review letters (09-05-2014)“…New data from the T2K neutrino oscillation experiment produce the most precise measurement of the neutrino mixing parameter θ23. Using an off-axis neutrino…”
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8
Improving temporal resolution in fMRI using a 3D spiral acquisition and low rank plus sparse (L+S) reconstruction
Published in NeuroImage (Orlando, Fla.) (15-08-2017)“…Rapid whole-brain dynamic Magnetic Resonance Imaging (MRI) is of particular interest in Blood Oxygen Level Dependent (BOLD) functional MRI (fMRI). Faster…”
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9
The investigation of edge-localized modes on the Globus-M2 tokamak using Doppler backscattering
Published in Nuclear fusion (01-02-2024)“…Abstract The first results of investigation of edge localized modes (ELMs) in the Globus-M2 tokamak using the Doppler backscattering method are presented in…”
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10
Peridynamic formulation of the mean stress and incubation time fracture criteria and its correspondence to the classical Griffith’s approach
Published in Continuum mechanics and thermodynamics (01-07-2023)“…Peridynamic formulations of the mean stress and incubation time fracture models are discussed in the paper. Contemporary fracture simulations using the…”
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11
Efficient Synthesis of Fluorescent Coumarins and Phosphorous-Containing Coumarin-Type Heterocycles via Palladium Catalyzed Cross-Coupling Reactions
Published in Molecules (Basel, Switzerland) (01-11-2022)“…Quantum-chemical calculations on the spectral properties of some aryl substituted 3-phosphonocoumarins were performed, and the effect of the substituents in…”
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12
Quantifying the critical thickness of electron hybridization in spintronics materials
Published in Nature communications (17-07-2017)“…In the rapidly growing field of spintronics, simultaneous control of electronic and magnetic properties is essential, and the perspective of building novel…”
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13
Optoacoustic monitoring of cerebral venous blood oxygenation through extracerebral blood
Published in Biomedical optics express (01-01-2012)“…There is strong clinical evidence that controlling cerebral venous oxygenation (oxyhemoglobin saturation) is critically important for patients with severe…”
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14
Instability of the Water Phase Diagram under Short Pulse Loading
Published in Mechanics of solids (01-10-2023)“…The phase transformation of water into ice VI or ice VII under extremely high-pressure rates is studied. The model based on the incubation time approach is…”
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15
Measurement of neutrino oscillation parameters from muon neutrino disappearance with an off-axis beam
Published in Physical review letters (22-11-2013)“…The T2K Collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near…”
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16
Improved calorimetric particle identification in NA62 using machine learning techniques
Published in The journal of high energy physics (21-11-2023)“…A bstract Measurement of the ultra-rare K + → π + ν ν ¯ decay at the NA62 experiment at CERN requires high-performance particle identification to distinguish…”
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17
Measurement of Coherent π^{+} Production in Low Energy Neutrino-Carbon Scattering
Published in Physical review letters (04-11-2016)“…We report the first measurement of the flux-averaged cross section for charged current coherent π^{+} production on carbon for neutrino energies less than…”
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18
Optimizing energy input for fracture by analysis of the energy required to initiate dynamic mode I crack growth
Published in International journal of solids and structures (01-04-2007)“…A problem for a central crack in a plate subjected to plane strain conditions is investigated. Mode I crack loading is created by a dynamic pressure pulse…”
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19
Direct laser writing of μ-chips based on hybrid C-Au-Ag nanoparticles for express analysis of hazardous and biological substances
Published in Lab on a chip (07-04-2015)“…Micro-chips based on organic-inorganic hybrid nanoparticles (NPs) composed of nanoalloys of gold (Au) and silver (Ag) embedded in an amorphous carbonaceous…”
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20
Laser-induced transformation of supramolecular complexes: approach to controlled formation of hybrid multi-yolk-shell Au-Ag@a-C:H nanostructures
Published in Scientific reports (08-07-2015)“…In the present work an efficient approach of the controlled formation of hybrid Au–Ag–C nanostructures based on laser-induced transformation of organometallic…”
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