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High-pressure volumetric properties of imidazolium-based ionic liquids : Effect of the anion
The densities of five imidazolium-based ionic liquids (ILs) (1-butyl-3-methylimidazolium tetrafluoroborate, [C1C4Im][BF4]; 1-butyl-3-methylimidazolium hexafluorophosphate, [C1C4Im][PF6];Expand
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Interaction of two charged conducting balls: theory and experiment
Three possible settings are considered for the question of two interacting charged conducting balls: (1) both balls are kept at constant and equal potentials; (2) one ball is charged and isolated,Expand
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Instability of equilibrium of the liquid dielectric surface and formation of regular cellular structures in the field of a corona discharge
It has been established experimentally that the equilibrium of the plane surface of transformer oil under a corona electrode (needle) becomes unstable when the critical voltage, which increases withExpand
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Experimental Confirmation of Lenz's Law.
The paper presents a series of experiments that demonstrate the phenomenon of electromagnetic induction. These make it possible to determine the direction of the induced current and so confirm Lenz'sExpand
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Modern analogue of Ohm?s historical experiment
Students receive a more complete conception of scientific cognition methods if they reproduce fundamentally important historical investigations on their own. Ohm's investigation realized in 1826 isExpand
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A simple demonstration of Einstein's lift: a body thrown upwards moves rectilinearly and uniformly relative to a free-falling model of the lift
The educational model of Einstein's lift consists of a table suspended from an electromagnet. A flexible support is attached to the table. A metal ball is on the support and deforms it. When theExpand
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Acoustic models of optical mirrors
Students form a more exact idea of the action of optical mirrors if they can observe the wave field being formed during reflection. For this purpose it is possible to organize model experiments withExpand
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Studying the diffraction of light by ultrasound wave in an educational laboratory
In an educational investigation, we examined the diffraction of light by an ultrasound wave in a liquid. A simple installation is proposed, including the following: a 1.75 MHz ultrasound generatorExpand
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Investigation of the Shape of a Lying Drop in the Gravity Field and Phenomenon of a Drop Jump During the Transition to Weightlessness
The shape of a drop lying on a non-wettable solid substrate and the phenomenon of a drop jump from the substrate during the transition to weightlessness are investigated experimentally, theoreticallyExpand
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