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Differentiation of Romashkino crude oils according to biomarker hydrocarbon parametersThe trends in composition of higher biomarker hydrocarbons (steranes and tri-, tetra

Differentiation of Romashkino crude oils according to biomarker hydrocarbon parametersThe trends in composition of higher biomarker hydrocarbons (steranes and tri-, tetra

Состав углеводородов нефтей центральной части Восточной Сибириtri-, tetra- and pentacyclic terpanes

8a-Methyl-5,6,8,8a,9,10-hexa-hydro-10,12a-epoxy-isoindolo[1,2-a] isoquinolinium iodide-Alder reaction of methallyl chloride with 3,4-dihydro-1-furylisoquinoline. The cation comprises a fused penta-cyclic

Methyl 7,8-diacetoxy-11-oxo-5-(2-oxopyrrolidin-1-yl)-7,9-epoxycyclopenta- [4,5]pyrido[1,2-a]quinoline-10-carboxylate sesquihydrate-ecules occupying a special position on a twofold axis. The organic mol-ecule comprises a fused penta-cyclic system

Detection of biomarkers in the organic matter of rocks from the romashkinskoe oil field using gas chromatography-mass spectrometry-mass spectrometry. Coefficients were calculated from the ratio between tetra- and pentacyclic hydrocarbons

Detection of biomarkers in the organic matter of rocks from the romashkinskoe oil field using gas chromatography-mass spectrometry-mass spectrometry. Coefficients were calculated from the ratio between tetra- and pentacyclic hydrocarbons

Investigation of Chaga Melanin. II. Composition of Hydrocarbon Fraction and iso-branched structures in addition to pristane, phytane, steranes, and terpanes were identified.

Structure of Monomeric Octahedral d 2-Rhenium(V) Monooxo Complexes [ReO(Ltri)(Lbi)] and [ReO(Ltetra)(Lmono)] with Oxygen Atoms of Tridentate (O, O, O) and Tetradentate (O, O, O, O) Chelating LigandsThe structural features of four mononuclear octahedral d2-Re(V) monooxo complexes [ReO(Ltri

Methyl (9aR*,10S*,11R*,13aS*,13bS*)-9-oxo-6, 7,9,9a,10,11-hexahydro-5H,13bH-11,13a-epoxypyrrolo-[2′,1′:3,4][1,4] diazepino[2,1-a]isoindole-10-carboxylate-Alder reaction between maleic anhydride and 1-(2-fur-yl)-2,3,4,5-tetra-hydro-1H-pyrrolo-[1,2-a] [1,4]diazepine

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