No. 8, Août 2008

Tome 53, No. 8, Août 2008

Download summary (PDF)

1. Florea DUMITRAŞCU, Emilian GEORGESCU, Florentina GEORGESCU, Petru FILIP, Barbu MIU and Dan G. DUMITRESCU

New substituted indolizines by 1,3-dipolar cycloaddition reactions. Part 2. 7-cyanoindolizines.

Download Art 1 (PDF)

Key words: pyridinium N-ylides, acetylenic dipolarophiles, 1,3-dipolar cycloaddition, epoxides, 7-cyanoindolizine

2. Carmen LIMBAN, Alexandru-Vasile MISSIR, Ileana Cornelia CHIRIŢĂ, Carmellina Daniela BĂDICEANU, Constantin DRĂGHICI, Mariana Carmen BALOTESCU and Oana STAMATOIU

New thioureides of 2-(4-methyl-phenoxymethyl)-benzoic and 2-(4-methoxy-phenoxymethyl)-benzoic acids with biological activity.

Download Art 2 (PDF)

Key words: thiourea derivatives, thioureides, 2-(4-methylphenoxymethyl)-benzoic acid, 2-(4-methoxyphenoxymethyl)-benzoic acid

3. Niculae I. IONESCU and Monica CǍLDǍRARU

Desorption kinetics in the ZnO nanopowder/ O2 system.

Download Art 3 (PDF)

Key words: desorption, charge transfer, ZnO

4. Erdal DİNÇ, Fahrettin ARSLAN and Dumitru BĂLEANU

Spectrophotometric simultaneous analysis of twocomponent mixture by bivariate and multivariate
calibrations using the linear regression functions.

Download Art 4 (PDF)

Key words: spectral bivariate calibration, spectral multivariate calibration, simultaneous determination, chlorzoxazone, paracetamol, tablets

5. Daniela Simina ŞTEFAN, Ion UNTEA, Violeta NEAGU, Cornelia LUCA and Mircea ŞTEFAN

Selective retention of Hg2+ ions from aqueous solutions by various amide groups-functionalized copolymers.

Download Art 5 (PDF)

Key words: copolymers, amide functional groups, mercury, sorption, wastewaters treatment

6. Aniela POP, Florica MANEA, Ciprian RADOVAN, Ioana CORB, Georgeta BURTICA, Plamen MALCHEV, Stephen PICKEN and Joop SCHOONMAN

Determination of 4-chlorophenol using two types of graphite-based composite electrodes.

Download Art 6 (PDF)

Key words: expanded graphite based composite electrode, 4-chlorophenol, electrochemical determination

7. Radoslav D. MIĆIĆ, Radmila P. MARINKOVIĆ-NEDUČIN, Zoltán SCHAY, István NAGY, Milica HADNAĐEV and Ernő E. KISS

Influence of activation temperature on structural and textural properties of CoMo/Al2O3 hydrodesulfurization catalyst.

Download Art 7 (PDF)

Key words: CoMo/Alumina, HDS catalyst, activation temperature, XP spectra

8. Gheorghe BUMBAC, Cristian CIORNEI, Adrian TURCU and Ovidiu MUNTEAN

New solution for thermal coupling between a crude distillation unit and a fluid catalytic cracking unit.

Download Art 8 (PDF)

Key words: thermal process pinch, grand composite curves, process integration, process heat recovery

9. Mircea Ionuţ PETRESCU and Minodora PASĂRE

True hardness of Ni-P/SiC coatings derived by a mathematical model.

Download Art 9 (PDF)

Key words: electrolytic Ni-P/SiC coatings, ISE effect, true hardness, microhardness mathematical processing

10. Ileana C. FĂRCĂŞANU, Codruţa PARASCHIVESCU, Lavinia RUŢĂ, Eliza OPREA and Sorin AVRAMESCU

Manipulation of Ni2+ tolerance of Sacchromyces cerevisiae cells: a primary step to bioremediation by removal and recovery of Ni2+ from contaminated waters.

Download Art 10 (PDF)

Key words: Saccharomyces cerevisiae, nickel, tolerance, hyperaccumulation