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pro vyhledávání: '"J. Klavins"'
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Autor:
M. Głódź, S. Magnier, L. Petrov, J. Klavins, K. Kowalski, I. Sydoryk, J. Szonert, A. Huzandrov
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 227:152-169
A comparison between theory and experiment, concerning the K(4 s) + K(7s)→K(4 s) + K(5f) reaction of excitation energy transfer in thermal collisions, is presented. The cross sections for this process are calculated for the potassium vapour tempera
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 52, Iss 5, Pp 58-67 (2015)
We report on a screen printing fabrication process for large-area SU-8 layers utilised for the preparation of microstructures in display devices such as microelectronic, electrowetting or bistable devices. The screen printing method has been selected
Publikováno v:
Latvian Journal of Physics and Technical Sciences, Vol 50, Iss 3, Pp 59-64 (2013)
Mūsdienās transportlīdzekļos ūdeņradis pārsvarā tiek izmantots saspiestā veidā 350-700 bāros, taču intensīvi tiek attīstītas arī metodes uzglabāšanai zemākos spiedienos. Nanoporaini oksīdi un ceolīti parastos apstākļos absorbē
Publikováno v:
Russian Journal of Electrochemistry. 43:598-602
The conditions of electrochemical formation of nickel hydride are investigated. The electrochemical properties of different nickel-based materials (bulk, porous, foamed tapes) are examined to state the hydrogen adsorption/absorption phenomena and pos
Publikováno v:
Canadian Journal of Physics. 79:1039-1053
Collisional energy transfer (ET) between the 2S and 2D states of alkali atoms is reviewed. Recent experimental results on the ET in homonuclear collisions in Na, K, and Rb vapours upon cw (continuous wave) and pulsed laser excitation, as well as theo
Publikováno v:
Chemical Physics Letters. 304:69-72
Associative ionizing Na2( A 1 Σ + u , v′)+Na(3p3/2) collisions have been studied in a single supersonic beam with respect to the influence of the initial vibrational excitation of the molecules on the reaction efficiency. An enhancement of trimer
Autor:
J. Klavins, H. Hulsman
Publikováno v:
Chemical physics letters
Collision-induced vibrational transitions of Na2 within the b 3Π1u state have been observed in a free jet expansion, using two CW dye lasers for the pump and probe steps. The b-state is entered by the pump laser using a low mixed ( A 1 Σ u + − b
Publikováno v:
Chemical Physics Letters. 228:346-350
Associative ionizing molecule-atom collisions Na-2(A(1) Sigma(u)(+)) + Na(3p) --> Na-3(+) + e have been observed at simultaneous excitation of dimers and atoms by means of two lasers. Measurements of the relevant ionization current show that the cros
Publikováno v:
Zeitschrift f�r Physik D Atoms, Molecules and Clusters. 31:55-59
Cross sections for electron energy transfer from the initial rotational stateJ′of the two lowest vibrational levelsv′=0 andv′=1 of excited dimers Na2(A) to potassium atoms as described by Na2(A1Σu+,v′J′)+K(4S)→Na2 (X1Σg+,v″J″)+K(4P)