Zobrazeno 1 - 10
of 22
pro vyhledávání: '"S. Koziński"'
Publikováno v:
Fuel. 83:1847-1853
The influence of selected properties of fly ash on the measurements of an on-line analyser was described. Fly ash studied in the research originated from the pulverized coal fired boiler. The samples were taken using an inspection method within a per
Publikováno v:
Sensors and Actuators B: Chemical. 101:47-56
Five solid-state potentiometric CO 2 sensors of the type: CO 2 , O 2 , Ag, M 2 CO 3 –BaCO 3 |Nasicon| X, Pt, O 2 (where M=Li or Na, X—Na 2 O activity buffer) were investigated. The effects of electrode composition and operating temperature on lon
Publikováno v:
Intermetallics. 11:307-312
FeAl materials with the aluminium concentration of 40 at.% were prepared from intermetallic powders, obtained by milling and screening of the products of self-propagating high-temperature synthesis (SHS), carried out in a loosely packed mixture of el
Publikováno v:
Solid State Ionics. 157:357-363
Solid-state potentiometric CO2 sensors were fabricated using Na+ conductor (Na3Zr2Si2PO12) as a solid electrolyte, Li2CO3–BaCO3 fused carbonate with different compositions as a sensing electrode and the Na2Ti6O13–Na2Ti3O7 or TiO2–Na2Ti6O13 two
Publikováno v:
Journal of Electroceramics. 8:49-55
Impedance spectra of the solid electrolyte (Nasicon) were investigated by means of complex impedance in the frequency range 0.1 Hz–1 MHz at temperatures between 298 and 873 K. A plausible equivalent circuit consisting of resistor and constant phase
Publikováno v:
Journal of Electroceramics. 8:57-64
The behavior of the reference electrode (Na2Ti6O13--TiO2) and the electrode/solid electrolyte (Nasicon) interface of the electrochemical sensor were investigated by means of complex impedance spectra in the frequency range 0.1 Hz–1 MHz and at the t
Publikováno v:
Solid State Ionics. 42:7-13
The electrical conductivity and Seebeck coefficient of pure and yttrium-doped SrTiO 3 with Sr/Ti ratio varying from 0.96 to 1.04 are studied as a function of oxygen pressure (10 −16 − 2×10 4 Pa) and temperature (1200–1475 K). The mechanism of
Publikováno v:
Electrochimica Acta. 26:1819-1821
Fe(II), Cu(I), Cu(II), and Zn(II)-exchanged beta-aluminas have been prepared and tested as solid electrolytes in oxide galvanic cells. The values of free enthalpies of Fe 3 O 4 , CuCrO 2 , CuCr 2 O 4 , and Zn 2 SiO 4 of formation at 1070 K have been
Autor:
G. Róg, S. Koziński
Publikováno v:
The Journal of Chemical Thermodynamics. 15:111-113
Standard Gibbs free energy, enthalpy, and entropy of formation of iron orthosilicate have been determined with the help of a solid-electrolyte galvanic cell involving Fe 2+ exchanged β-alumina electrolyte. The results have been compared with those o
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