152 research outputs found
Photoconduction and photocontrolled collective effects in the Peierls conductor TaS
Light illumination of thin crystals of CDW conductor TaS is found to
result in dramatic changes of both linear () and nonlinear conduction. The
increase of is accompanied by suppression of the collective conduction,
growth of the threshold field , and appearance of the switching and
hysteretic behavior in the nonlinear conduction. The effects in the nonlinear
conduction are associated with increase of CDW elasticity due to illumination
that leads in particular to appearance of a relation
expected for the one-dimensional pinning.Comment: RevTeX4, 4 pages, 4 postscript figures. Revised manuscript, new
title, new Fig. 1, text corrections. Journal reference adde
Inquiry based science education in National Technical University "Kharkiv Polytechnic Institute" as a way to increase the popularity of natural and thechnical sciences
The article analyses the problem of reducing the rating of natural sciences in youth. Possible options for solving this issue are considered. Based on the experience of young scientists of the National Technical University
"Kharkiv Polytechnic Institute" (NTU "KhPI"), it is indicated on perspective directions of interaction between higher education and secondary school in order to increase the popularity of natural and technical sciences.
One of the points of contact can be the foundation of a creative space for children, which will be the focus of STEM education, and promote a positive image of the natural and technical sciences
System-level design for efficient execution of CNNs at the edge
A convolutional neural network (CNN) is a biologically inspired algorithm, highly capable at processing images and videos. Nowadays, CNNs are widely known and used: they watch our safety from the CCTV cameras, help doctors diagnose diseases, navigate cars, and do many other important things. One of the recent trends is to execute CNNs on edge devices: cameras, mobile phones, smart watches, etc. This helps to run CNNs faster and ensures privacy of the data used by the CNNs. This, however, is difficult to do. The problem is that the edge devices are small and often do not have enough resources to execute CNNs. In my dissertation, I study this problem and offer solutions for it. I propose specific manners to design and execute CNNs, so that they can run on edge devices efficiently.European Unions Horizon 2020 Research and Innovation project (grant agreement No. 780788)Computer Systems, Imagery and Medi
Criteria of a choice of the carrier
Π ΡΡΠ°ΡΡΠ΅ ΠΈΠ·Π»ΠΎΠΆΠ΅Π½Π° ΠΌΠ΅ΡΠΎΠ΄ΠΈΠΊΠ° Π²ΡΠ±ΠΎΡΠ° ΠΏΠ΅ΡΠ΅Π²ΠΎΠ·ΡΠΈΠΊΠ° Π΄Π»Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ Π³ΡΡΠ·ΠΎΠ²Π»Π°Π΄Π΅Π»ΡΡΠ°ΠΌΠΈ, ΡΠΊΡΠΏΠ΅Π΄ΠΈΡΠΎΡΠ°ΠΌΠΈ ΠΈ ΡΠ΄Π΅Π»Π°Π½ Π²ΡΠ²ΠΎΠ΄ ΠΎ ΡΠΎΠ·Π΄Π°Π½ΠΈΠΈ ΡΠΈΡΡΠ΅ΠΌΡ ΠΎΡΠ΅Π½ΠΎΠΊ ΠΊΠΎΠ½ΠΊΡΡΠ΅Π½ΡΠΎΡΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡΠΈ ΠΏΠ΅ΡΠ΅Π²ΠΎΠ·ΡΠΈΠΊΠΎΠ² ΡΠΎ ΡΡΠΎΡΠΎΠ½Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ ΠΈΡ
ΡΡΠ»ΡΠ³
The development of logistics infrastructure as a tool for the management of marine transportation
ΠΠΎΠ³ΡΡΡΠΈΡΠ½Π° ΡΠ½ΡΡΠ°ΡΡΡΡΠΊΡΡΡΠ° ΠΌΠΎΡΠ΅Π³ΠΎΡΠΏΠΎΠ΄Π°ΡΡΡΠΊΠΎΠ³ΠΎ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΡ Π£ΠΊΡΠ°ΡΠ½ΠΈ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΡΡΡΡΡΡ Π΄ΠΎΡΠΈΡΡ Π½ΠΈΠ·ΡΠΊΠΈΠΌ ΡΡΠ²Π½Π΅ΠΌ ΡΠΎΠ·Π²ΠΈΡΠΊΡ, ΡΡΡΠΎΡΠ½ΠΈΠΌΠΈ ΡΡΠ½ΠΎΠ²ΠΈΠΌΠΈ Π΄ΠΈΡΠΏΡΠΎΠΏΠΎΡΡΡΡΠΌΠΈ, Π²ΠΈΡΠΎΠΊΠΈΠΌ ΡΡΠ²Π½Π΅ΠΌ ΠΌΠΎΠ½ΠΎΠΏΠΎΠ»ΡΠ·Π°ΡΡΡ. Π£ Π·Π²'ΡΠ·ΠΊΡ Π· ΡΠΈΠΌ ΠΏΡΡΠΎΡΠΈΡΠ΅ΡΠ½ΠΈΠΌΠΈ Π·Π°Ρ
ΠΎΠ΄Π°ΠΌΠΈ Π½Π°ΡΡΠΎΠ½Π°Π»ΡΠ½ΠΎΡ ΠΏΠΎΠ»ΡΡΠΈΠΊΠΈ Π² Π½Π°ΠΏΡΡΠΌΡ ΡΠΎΠ·Π²ΠΈΡΠΊΡ Π³Π°Π»ΡΠ·Ρ ΠΏΠΎΠ²ΠΈΠ½Π½Ρ ΡΡΠ°ΡΠΈ: ΡΠΎΠ·Π²ΠΈΡΠΎΠΊ ΡΠ½ΡΡΠ°ΡΡΡΡΠΊΡΡΡΠΈ, ΡΠΎΡΠΌΡΠ²Π°Π½Π½Ρ ΡΡΠ²Π½ΠΎΠΏΡΠ°Π²Π½ΠΈΡ
Π΅ΠΊΠΎΠ½ΠΎΠΌΡΡΠ½ΠΈΡ
Π²ΡΠ΄Π½ΠΎΡΠΈΠ½ ΠΌΡΠΆ ΠΉΠΎΠ³ΠΎ ΡΡΠ°ΡΠ½ΠΈΠΊΠ°ΠΌΠΈ; ΡΠ½ΡΠΎΡΠΌΠ°ΡΡΠΉΠ½Π΅ Π·Π°Π±Π΅Π·ΠΏΠ΅ΡΠ΅Π½Π½Ρ ΡΡΠ°ΡΠ½ΠΈΠΊΡΠ² ΡΠΈΠ½ΠΊΠΎΠ²ΠΎΡ ΡΠΈΡΡΠ΅ΠΌΠΈ, ΡΡΠ²ΠΎΡΠ΅Π½Π½Ρ Π½Π°ΡΡΠΎΠ½Π°Π»ΡΠ½ΠΎΡ ΠΌΠ°ΡΠΊΠ΅ΡΠΈΠ½Π³ΠΎΠ²ΠΎΡ ΡΠ½ΡΠΎΡΠΌΠ°ΡΡΠΉΠ½ΠΎΡ ΡΠΈΡΡΠ΅ΠΌΠΈ
Phisicochemistry of alkaline-earth metals oxides surface
The surface state of alkaline-earth metals and magnesium oxides obtained by means of commercial and laboratory ways has been studied in this paper. A complex of methods has been used for identification, determination of a phase composition and morphology of the samples. The high basic character of surface centres has been shown with the help of pH-metry and adsorption of indicators methods. Acid-basic parameters (pHt, pHiis, etc.) can be used for the estimation of a general acid-basic state of metal oxides samples surface and for the supposition about different nature and strength of acid-basic centres as well as for the initial control in the process of acid basic properties of solid oxides surface properties evaluation
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