DETERMINATION DES TENEURS DES PHASES STATIONNAIRES DANS LES GARNISSAGES POUR CHROMATOGRAPHIE GAZ LIQUIDEPETSEV N; PETKOV V; DIMITROV KH et al.1977; ZH. ANAL. KHIM.; S.S.S.R.; DA. 1977; VOL. 32; NO 12; PP. 2403-2408; ABS. ANGL.; BIBL. 14 REF.Article

Adsorption of methyl red on sterchamolPEKOV, G; PETSEV, N.Analytica chimica acta. 1990, Vol 232, Num 2, pp 413-416, issn 0003-2670, 4 p.Article

ETUDE DES CHALEURS D'ADSORPTION DES HYDROCARBURES AROMATIQUES SUR UN CATALYSEUR A AL₂O₃-GAMMA A L'AIDE DE MESURES PAR CHROMATOGRAPHIE EN PHASE GAZEUSEDIMITROV KH; TOPALOVA I; POPOVA Z et al.1971; GOD. SOFIJSK. UNIV., KHIM. FAK.; BALG.; DA. 1971; VOL. 66; PP. 583-590; ABS. ANGL.; BIBL. 3 REF.Article

DETERMINATION DE L'ACTIVITE CATALYTIQUE PAR UNE METHODE PULSEE AVEC UN CHROMATOGRAPHE GAZ-LIQUIDEDIMITROV KH; PETSEV N; TOPALOVA I et al.1973; GOD. SOFIJSK. UNIV., KHIM. FAK.; BALG.; DA. 1973-1974 PARU 1977; VOL. 68; PP. 179-190; ABS. ANGL.; BIBL. 4 REF.Article

A DEVICE FOR PULSE INVESTIGATION OF HETEROGENEOUS CATALYTIC REACTIONS.DIMITROV C; PETSEV N; YANKOV M et al.1977; REACT. KINET. CATALYS. LETTERS; HUNGARY; DA. 1977; VOL. 6; NO 2; PP. 239-242; ABS. RUSSE; BIBL. 2 REF.Article

Study of the adsorption of methyl red on thermally treated gas-liquid chromatographic packingsPEKOV, G; PETSEV, N; OBRETENOVA, R et al.Journal of chromatography. 1988, Vol 457, pp 377-382, issn 0021-9673Article

ETUDE DE QUELQUES ESTERS PHENOLIQUES DE DIACIDES CARBOXYLIQUES COMME PHASES STATIONNAIRES EN CHROMATOGRAPHIE GAZ-LIQUIDEDIMITROV KH; PETSEV N; TOPALOVA I et al.1976; GOD. SOFIJSK. UNIV., KHIM. FAK.; BALG.; DA. 1976; VOL. 67; PP. 281-286; ABS. ALLEM.; BIBL. 6 REF.Article

Short columns for gas chromatography packed with plasma-modified silica gelsCHANEV, C; PETSEV, N; TOPALOVA, I et al.Journal of chromatography. 1990, Vol 520, pp 33-40, issn 0021-9673, 8 p.Conference Paper

Gas chromatographic retention on carbon adsorbents coated with monolayers of polynuclear aromatic hydrocarbonsGAVRILOVA, T. B; VLASENKO, E. V; PETSEV, N et al.Journal of chromatography. 1988, Vol 454, pp 73-81, issn 0021-9673Conference Paper

Gas chromatographic properties of modified boron nitrideGAVRILOVA, T. B; DAIDAKOVA, I. V; PETSEV, N et al.Journal of chromatography. 1990, Vol 520, pp 41-46, issn 0021-9673, 6 p.Conference Paper

Carbon black adsorbents modified with n-hydrocarbons and treated with an high-frequency low-temperature plasmaGAVRILOVA, T. B; PARSHINA, I. V; DIMITROV, C et al.Journal of chromatography. 1987, Vol 402, pp 87-93, issn 0021-9673Article