Zobrazeno 1 - 10
of 18
pro vyhledávání: '"L. T. Vlaev"'
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 111:763-771
Thermogravimetric studies of chitin in air atmosphere were carried out at six rates of linear increase of the temperature. The kinetics and mechanism of the thermal decomposition reaction were evaluated from the TG data by iso-conversional calculatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce41a1edb8e8b805649dccb99b04e300
https://doi.org/10.1007/s10973-012-2359-6
https://doi.org/10.1007/s10973-012-2359-6
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 110:111-118
This study is an attempt to establish the possibilities to obtain black rice husk ash (BRHA) and white rice husk ash (WRHA) via pyrolysis of wasted raw rice husks in a pilot plant fluidized-bed reactor at different conditions. The process course auto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a967d5dd5c47c5051bd3ddabd1941eaf
https://doi.org/10.1007/s10973-012-2282-x
https://doi.org/10.1007/s10973-012-2282-x
Publikováno v:
Physics and Chemistry of Liquids. 47:530-541
A comparative study of the temperature and concentration dependence of the equivalent conductivity has been carried out in aqueous solutions of sulphuric acid, selenic acid, potassium tellurate, sodium selenite and potassium tellurite. A temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4943f345c3690f37f25cc01d31a3b849
https://doi.org/10.1080/00319100802428486
https://doi.org/10.1080/00319100802428486
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 93:387-396
Rice husk is a by-product of rice milling process and are a major waste product of the agricultural industry. They have now become a great source as a raw biomass material for manufacturing value-added silicon composite products, including silicon ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::277d0b2698020fa78bdb558b6dbc199c
https://doi.org/10.1007/s10973-007-8429-5
https://doi.org/10.1007/s10973-007-8429-5
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 88:805-812
The kinetics of dehydration and decomposition of VOSO4·2H2O, VOSO4 and VOSeO3·H2O was studied under non-isothermal heating on a derivatograph. The stages and products of the thermal decomposition were determined. It was proved that VOSO4·2H2O deco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5593281127f1899ce4ed4e80f7c32062
https://doi.org/10.1007/s10973-005-7149-y
https://doi.org/10.1007/s10973-005-7149-y
Publikováno v:
Journal of Structural Chemistry. 47:813-822
The kinetics of thermal decomposition of 13 selenites has been studied under isothermal heating conditions with a derivatographer. Values of the activation energy and frequency factor in the Arrenius equation are found. It is found that between these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5870902c45feed862767624c1d97fd0
https://doi.org/10.1007/s10947-006-0396-3
https://doi.org/10.1007/s10947-006-0396-3
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 86:449-456
The solubility of NiSeO3–SeO2–H2O system in the temperature region 298–573 K was studied. The compounds of the three-component system were identified by the Schreinemakers’ method. The phase diagram of nickel(II) selenites was drawn and the c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b01dec2b5cbb59bfa4785c0b49d3c0d3
https://doi.org/10.1007/s10973-005-7397-x
https://doi.org/10.1007/s10973-005-7397-x
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 83:421-427
Studying the kinetics of isothermal decomposition of thirteen selenites at isothermal heating, the values of activation energy E of the process, pre-exponential factor A in Arrhenius equation and changes of entropy for the formation of the activated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41402d3ec1e39b73d656de4abab6269f
https://doi.org/10.1007/s10973-005-6918-y
https://doi.org/10.1007/s10973-005-6918-y
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 81:329-332
A mathematical description of the dependence of softening temperature of poly(vinyl chloride) blends with solid-state chlorinated polyethylene on the degree of chlorination of polyethylene and the amount of chlorinated polyethylene were studied. A me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::561538610a926c8192f7460012a394a9
https://doi.org/10.1007/s10973-005-0787-2
https://doi.org/10.1007/s10973-005-0787-2
Publikováno v:
Journal of Structural Chemistry. 46:633-640
Coefficients of self-diffusion, absolute speeds of movement of ions and the activation energy of electrical conductivity are found from the conductance measurements of aqueous solutions of selenic acid and sodium selenate at different concentrations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f91fd23b78eeb957e143de9cba2376e3
https://doi.org/10.1007/s10947-006-0181-3
https://doi.org/10.1007/s10947-006-0181-3