Search Results - "Dimitrova, Iglika M"
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Measuring the Equilibrium Spreading Pressure-A Tale of Three Amphiphiles
Published in Molecules (Basel, Switzerland) (24-08-2024)“…A surfactant's equilibrium spreading pressure (ESP) is the maximum decrease in surface tension achievable at equilibrium below the Krafft point. Difficulties…”
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2
On the Influence of the Ionization–Recombination Processes on the Hydrogen Plasma Polytropic Index
Published in The Astrophysical journal (01-07-2021)“…An analytical approximation for the polytropic index of a hydrogen gas has been derived. The derived expressions can be useful for theoretical work and…”
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3
Quadrupolarizability of Liquid Mixtures
Published in The journal of physical chemistry. B (24-12-2020)“…Theoretical expressions for the macroscopic polarizability and quadrupolarizability of a quadrupolar mixture are derived. The theory is demonstrated on the…”
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4
Q-Factor of the Resonators With Frequency Dependent Negative Resistor
Published in IEEE transactions on circuits and systems. II, Express briefs (01-03-2022)“…The frequency dependent impedance of Frequency Dependent Negative Resistor (FDNR) or D-element is calculated using frequency dependent open-loop gain of the…”
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5
Probability distribution function of crossover frequency of operational amplifiers
Published in Measurement : journal of the International Measurement Confederation (01-07-2021)“…For the first time the cumulative distribution function and histogram of the crossover frequency of a contemporary operational amplifier ADA4898-2 is…”
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6
Contribution of the surface dipole moment and the contact potential-induced disjoining pressure to the stress balance at a three-phase contact
Published in Colloid journal of the Russian Academy of Sciences (01-11-2017)“…The contact between three insulators results in a set up of contact potentials related to the adsorbed dipole moment at each surface. The produced electric…”
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7
Sound absorption in partially ionized hydrogen plasma and heating mechanism of solar chromosphere
Published in Physica A (01-02-2021)“…The temperature dependence of rates of electron impact ionization and two electrons recombination are calculated using Wannier cross section of electron impact…”
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The cause of accelerated desorption of sparingly soluble dodecanol monolayers: Convection or leakage?
Published in Colloids and surfaces. A, Physicochemical and engineering aspects (20-11-2021)“…The dissolution of sparingly soluble surfactants from spread monolayers is a complex multi-staged process. The desorption of dodecanol from the surface of…”
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9
On the Influence of the Ionization-Recombination Processes on Hydrogen Plasma Polytropic Index
Published 08-12-2020“…ApJ vol. 916:18 (7pp) (2021) The polytropic (adiabatic) index for pure hydrogen plasma is analytically calculated as function of reciprocal temperature and…”
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10
Sound Absorption in Partially Ionized Hydrogen Plasma and Heating Mechanism of Solar Chromosphere
Published 28-10-2020“…Physica A: Stat. Mech. Appls., Vol. 563, 125442 (2021) The temperature dependence of rates of electron impact ionization and two electrons recombination are…”
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11
Probability distribution function of crossover frequency of operational amplifiers
Published 30-04-2021“…Measurement Vol. 179, 109509 (2021) For the first time the cumulative distribution function of the crossover frequency of a contemporary operational amplifier…”
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12
Electrostatics of quadrupolarizable media
Published 27-10-2016“…The classical macroscopic Maxwell equations are approximated. They are a corollary of the multipole expansion of the local electrostatic potential up to…”
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13
The Day of the Inductance. Problem of the 7-th Experimental Physics Olympiad, Skopje, 7 December 2019
Published 16-12-2019“…Chemistry: Bulgarian Journal of Science Education, vol. 29, number 3, 381-397 (2020) This is the problem of the 7-th international Experimental Physics…”
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Measurement of the Boltzmann constant by Einstein. Problem of the 5-th Experimental Physics Olympiad. Sofia 9 December 2017
Published 12-04-2018“…Bulgarian Physics Education (Online ISSN 1314-8761), vol. 5, 3-32 (2017), http://physika-bg.org/, (in Bulgarian) Several consecutive experiments with…”
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Measurement of the electron charge $q_e$ using Schottky noise. Problem of the 6-th Experimental Physics Olympiad. Sofia 8 December 2018
Published 15-03-2017“…Eur. J. Phys. 39 065202 (2018); Bulgarian Physics Education vol. 7, book 1, 68-79 (2019), (in Bulgarian) Several consecutive experiments are described with a…”
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