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articol de periodic HILLEBRAND, Mihaela (autor) , SAHINI, Victor (autor) Electronic spectra of some heteroaromatic cation-radicals 648-656
articol de periodic VÎLCU, Rodica (autor) , BĂRBÎNȚĂ, Vasile (autor) , GĂINAR, Ioan (autor) , SAVA, Dumitru (autor) Estimation of chemical nonhomogeneity of polymers using the interraction structure-entropy-information. I. The use of thetracer method 657-660
articol de periodic GORDUZA, Valeria (autor) , COCÎRLĂ, I. (autor) , GHIRVU, C. (autor) , WAGNER, Luminița (autor) , PESCARU, Vianora (autor) Studies on the reactivity of benzimedazolone derivatives, based on the electronic spectra and molecular diagrams 661-670
articol de periodic IONESCU, Niculae (autor) , CHIRCA, M. (autor) , MARCHIDAN, Dumitru (autor) Thermal effect and oscillations in the catalytic oxidation of methanol 671-677
articol de periodic BALABAN, Alexandru (autor) Chemical graphs. Part 44. Isomer enimeration for substituted saturated polyhedralm valence isomers of annulenes 679-694
articol de periodic BALABAN, Alexandru (autor) Chemical graphs. Part 45. Edge-labelled graphs as unsaturated valence isomers of annulenes: applications of Polya's Therem 695-708
articol de periodic SANCHEZ-OBREGON, Ruben (autor) , BARIOS, Hector (autor) , ORTIZ, Benjamin (autor) , YUSTE, Francisco (autor) Diels-alder reaction of trans, trans-1,4-diacetoxy-1,3-butadiene and 1,2-pentadien-4-one 709-710
articol de periodic PEREZ, DE (autor) Anodic oxidation of alkylbenzenes in dry acetonitrile 711-718
articol de periodic THIMMAIAH, K.N. (autor) , SEKHAR, V.C. (autor) Hydrazine carbothioamide-2-((4-hydroxy-3-metroxy phenyl) methylene) as a sensitive reagent for rapid spectrophotometric determination of palladium(II) and coopper(II): analysis of alloys and mineral 719-726
articol de periodic CAYRE, I. (autor) , ARIAS, C. (autor) , RUEDA, C. (autor) Caracteristicas reologicas de la carboximetilelulosa sodica a bajos gradientes de velocidad. Estudio energetico. Influencia de la adicion de dextrano 727-735
articol de periodic BOLOGA, Ursula (autor) Polimer Membranes 737-737