No. 5, Mai 2008

Tome 53, No. 5, Mai 2008

Download summary (PDF)

1. Maria BRUMĂ

Aromatic polyoxadiazoles with silicon in the main chain.

Download Art 1 (PDF)

Key words: polyoxadizoles, diphenylsilylene groups, high thermal stability, thin films, blue photoluminescence

2. Elisabeta-Cristina ANI and Paul Şerban AGACHI

Prediction of the behaviour of a hydrogen-oxygen PEM fuel cell based on a simplified model.

Download Art 2 (PDF)

Key words: fuel cells behaviour, hydrogen-oxygen PEM fuel cells, fuel cells transient behaviour, fuel cells mathematical model

3. Cristina STOICESCU, Olga IULIAN and Florinela SÎRBU

Equilibrium experimental data in ternary system containing water + 1-propanol + 1-butanol, 1-pentanol or 1-hexanol.

Download Art 3 (PDF)

Key words: liquid-liquid equilibria, water + n-alcohol ternary systems, cloud-point method

4. Iozsef JUHASZ, Ion CONSTANTIN, Vasile HOTEA, Elena POP and Mihaela PODARIU

Researches on the electrolyte purification and the useful elements recovery in the copper electrolytic
refining process

Download Art 4 (PDF)

Key words: copper, stibium, arsenium, electrolytic refining

5. Maria CIOROI

5-hydroxymethylfurfural – a possible indicator in the preservation abilities of the thermally processed food.

Download Art 5 (PDF)

Key words: 5-hydroxymethilfurfural (5-HMF), glucose-lysine model system, Maillard reaction, HPLC method

6. Gheorghiţa MITRAN, Ioan-Cezar MARCU, Adriana URDĂ and Ioan SĂNDULESCU

Oxidative dehydrogenation of isobutane over V-Mo-(Ni)-O catalysts.

Download Art 6 (PDF)

Key words: isobutane, oxidative dehydrogenation, isobutene, molybdenum-vanadium mixed oxides, nickel

7. Gheorghiţa MITRAN, Ioan-Cezar MARCU, Mihaela FLOREA and Ioan SĂNDULESCU

Mo-V-M-O (M = Ni, Cu, Zn, Sb, Ta) mixed metal oxides prepared by solid-solid reactions for oxidative dehydrogenation of isobutane.

Download Art 7 (PDF)

Key words: modified molybdenum-vanadium mixed oxides, isobutane, oxidative dehydrogenation

8. Ştefan DIMA, Romică CREŢU and Traian FLOREA

Emulsification of vegetable oils with nonionic surfactants and polypeptides.

Download Art 8 (PDF)

Key words: emulsification, surfactants, interfacial surface, emulsifying activity index

9. Rodica LIPSA, Nita TUDORACHI and Cornelia VASILE

Poly(vinyl alcohol)/poly(lactic acid) blends biodegradable films doped with colloidal silver.

Download Art 9 (PDF)

Key words: poly(vinyl alcohol)/poly(lactic acid) blend, biodegradable films, colloidal silver nanoparticles

10. Adriana ISVORAN, Eudald VILASECA, Laura UNIPAN, Josep-Lluis GARCÉS and Francesc MAS

Computational study of diffusion in cellular twodimensional crowed maedia modeled as mixtures of mobile and immobile obstacles.

Download Art 10 (PDF)

Key words: Monte Carlo algorithm, crowded media, anomalous diffusion