| |
articol de periodic |
1964 |
Revue Roumaine de Chimie, 9-1 |
SIMIONESCU, Cristofor (autor)
,
FELDMAN, Dorel (autor)
,
OPREA, Spiridon (autor)
|
Untersuchungen uber die pfropftung von cellulose und ihre derivaten mit polyvinylchlorid |
|
65-77 |
|
| |
articol de periodic |
1967 |
Revue Roumaine de Chimie, 12-1 |
SIMIONESCU, Cristofor (autor)
,
OPREA, Spiridon (autor)
|
Die kinetik der peroxydation von schilfzellstoff mit anwendungen auf den peropfungsvorgang |
|
51-62 |
|
| |
articol de periodic |
1980 |
Revue Roumaine de Chimie, 25-7 |
OPREA, Spiridon (autor)
,
DUMITRIU, Emil (autor)
,
STEFĂNEL, Laurenția (autor)
|
Catalysis polymers, I. Synthesis of 3-chloro-2-hydroxypropyl acrylate using quaternized poly(dimethyl-amino-ethyl methacrylate) as catalyst |
|
1039-1043 |
|
| |
articol de periodic |
1981 |
Revue Roumaine de Chimie, 26-1 |
DIMA, Mihai (autor)
,
OPREA, Spiridon (autor)
,
DUMITRIU, E. (autor)
|
Reactivity of acrylic monomers. III. Copolymerization of N,N-dimethylaminoethyl methacrylate with N,N-diethylacrylamide |
|
131-139 |
|
| |
articol de periodic |
1982 |
Revue Roumaine de Chimie, 27-5 |
OPREA, Spiridon (autor)
,
DUMITRIU, Emil (autor)
|
Reactivity of acrylic monomers. XI. Synthesis and copolymerization of 3-chloro-2-hydroxypropyl acrylate |
|
651-658 |
|
| |
articol de periodic |
1983 |
Revue Roumaine de Chimie, 28-5 |
DUMITRIU, Emil (autor)
,
OPREA, Spiridon (autor)
|
Catalysis by polymers. IV. The effect of solvent in the esterification reaction of oxiranes with &,beta-unsaturated acids |
|
535-542 |
|
| |
articol de periodic |
1984 |
Revue Roumaine de Chimie, 29-11-12 |
OPREA, Spiridon (autor)
,
AZZOUZ, Abdelkrim (autor)
,
DUMITRU, Emil (autor)
,
BÎLBĂ, Nicolae (autor)
|
Transformations catalytiques d+hydrocarbures aromatiques, VI. Etude de l'activite de zeolites modifiees avec des elements polyvalents |
|
887-893 |
|
| |
articol de periodic |
1986 |
Revue Roumaine de Chimie, 31-4 |
OPREA, Spiridon (autor)
,
DUMITRIU, Emil (autor)
,
HULEA, Vasile (autor)
,
YOUSEF, Kayed (autor)
|
Activity and selectivity of Neodymium exchanged zeolites in thev alkylation reaction of toluene with methanol |
|
425-429 |
|
| |
articol de periodic |
1987 |
Revue Roumaine de Chimie, 32-2 |
DUMITRIU, Emil (autor)
,
OPREA, Spiridon (autor)
,
HULEA, Vasile (autor)
|
Kinetic studies on the catalytic alkylation of toluene with methanol |
|
191-197 |
|
| |
articol de periodic |
1987 |
Revue Roumaine de Chimie, 32-5 |
DUMITRIU, Emil (autor)
,
OPREA, Spiridon (autor)
,
HULEA, Vasile (autor)
|
Activity and selectivity of zeolite catalysts in m-xylene isomerization |
|
525-532 |
|
| |
articol de periodic |
1989 |
Revue Roumaine de Chimie, 34-4 |
DUMITRIU, Emil (autor)
,
BÎLBĂ, Nicolae (autor)
,
HULEA, Vasile (autor)
,
OPREA, Spiridon (autor)
|
Selective alkykation of toluene ZSM-5 zeolites |
|
983-988 |
|
| |
articol de periodic |
1989 |
Revue Roumaine de Chimie, 34-5 |
DUMITRIU, Emil (autor)
,
HULEA, Vasile (autor)
,
STOICA, Milena (autor)
,
OPREA, Spiridon (autor)
|
Kinetic study of the maltodextrine hydrolysis catalysid by immobilized glucoamylase |
|
1195-1201 |
|
| |
articol de periodic |
1991 |
Revue Roumaine de Chimie, 36-9-10 |
DUMITRIU, Emil (autor)
,
HULEA, Vasile (autor)
,
YOUSEF, Kayed (autor)
,
BÎLBĂ, Nicolae (autor)
,
OPREA, Spiridon (autor)
|
Transalkylation of toluene with trimethylbenzene. II. Transalkylation of toluene with mesitylene over synthetic zeolites |
|
1185-1193 |
|
| |
articol de periodic |
1964 |
Studii și Cercetări de Chimie, 12-1 |
SIMIONESCU, Cristofor (autor)
,
FELDMAN, Dorel (autor)
,
OPREA, Spiridon (autor)
|
Cercetări privind grefarea policlorurii de ninil pe celuloză și derivați |
|
61-70 |
|
