Tome 53, No 1, Janvier 2008
1. Maria BRUMĂ
Polyphenylquinoxalines containing hexafluoroisopropylidene groups
Key words: phenylquinoxaline rings, hexafluoroisopropylidene groups, thin films, high thermal stability, low dielectric constant
2. Gabriela BLĂNIŢĂ, Monica BUCŞA, Maria COROŞ and Mircea VLASSA
Synthesis of new functionalized macropolycyclic ligands based on triazacyclononane and
tetraazacyclododecane
Key words: aza-crown ethers, macropolycyclic ligand
3. Rodica DINICĂ, Bianca FURDUI, Gabriela BAHRIM et Martine DEMEUNYNCK
Précurseurs de nouveaux hétérocycles d’intéret biologique
New heterocycles precursors with biologic interest
Key words: 4,4’-bipyridine, propriétés antimicrobiennes, microorganismes
4. Gelu BOURCEANU, Jean François LE MARÉCHAL Lavinia ONEL et Militina BOURCEANU
Thermodynamique des reactions reversibles, renversables et irreversibles
Thermodynamic of reversible, invertible and irreversible reactions
Key words: réversibilité, renversibilité, irréversibilité, énergie libre
5. Cristina-Eliza BRUNCHI, Simona MORARIU and Maria BERCEA
Influence of temperature on dynamic behavior of polyacrylonitrile in dimethylformamide
Key words: polyacrylonitrile, dynamic properties, gelation
6. Cătălina ITICESCU, Geta CÂRÂC, Olga MITOŞERIU and Thomas LAMPKE
Electrochemical deposition of composite coatings in copper matrix with TiO2 nanoperticles
Key words: composite coatings, copper matrix, nano-TiO2 particles, electrochemical codeposited, mechanism
7. Ioana FECHETE, Eric GAUTRON, Emil DUMITRIU, Doina LUTIC, Philippe CAULLET and Henri KESSLER
Studies on the acitidy and the stability of Fe3+ ions in the framework of (Si, Fe)-MCM-22 zeolite.
Selective para-xylene production by toluene disproportionation
Key words: (Si,Fe)-MCM-22 zeolite; isomorphous substitution; toluene disproportionation; p-xylene
8. Ioana FECHETE, Angelique SIMON-MASSERON, Emil DUMITRIU, Doina LUTIC, Philippe CAULLET and Henri KESSLER
The role of acidity of CeH-EMT-type zeolite for catalyzing toluene alkylation with methanol to xylenes
Key words: CeH-EMT-type zeolite; acidity; xylenes
9. Mihaela MANEA, Gheorghe BREBEANU et Lazar AVRAM
Étude relative à l’utilisation de minéraux argileux pour la separation des composes asphaltiques du pétrole
Study relative to the use of clay minerals for the separation of asphaltic compounds from crude oil
Key words: minéraux argileux, resins, résidus pétroliers, SAAF, FTIR
10. Alexandru CECAL, Anca Irena BALAN, Nicoleta MELNICIUC-PUICA and Karin POPA
Radiochemical method based on the backscattered β-rays for the study of nucleation process
Key words: β-rays backscattering, crystal growth, double sulfates, nucleation process, oxalates