Results 111 to 120 of about 5,918,604 (240)
Étude de la biodégradation de l'acide déhydroabiétique par Bacillus psychrophilus [PDF]
, 1989 La rivière du Saguenay (Québec, Canada) traverse une région fortement industrialisée (v.g. alumineries, papeteries) et reçoit d'importantes quantités d'eaux usées. Les teneurs en matière organique dissoute et en fibre de cellulose en suspension provenant
Côté, R., Otis, C.
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Antiulcer activity of dehydroabietic acid derivatives.
Chemical and Pharmaceutical Bulletin, 1985 On prepare une serie de derives de l'acide deshydroabietique avec un groupement hydrophile (amino, carbamoyl, carbamoyloxy, ureido, sulfamoyl, ou sulfo) sur les positions 12 et/ou 18 et on teste leur activite ...
H, Wada +8 more
openaire +3 more sources
MoleculesNatural compounds, including diterpenoids, play a critical role in various biological processes and are recognized as valuable components in cancer treatment.
Elena Tretyakova +3 more
doaj +1 more source
GC/MS Analysis of Some Bioactive Constituents from Carthamus lanatus L. [PDF]
, 2003 Sterols, triterpenes, volatiles, polar and other constituents in aerial parts of Carthamus lanatus were analyzed by gas chromatography-mass spectrometry. Over 90 compounds were identified most of them new for the species. Sitosterol and stigmasterol were
Berger, Ralf Günter +5 more
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Use of resinous substances by the Early Neolithic population in the forest-steppe Ishim area
Вестник археологии, антропологии и этнографии, 2019 In this study, the author set out to determine the chemical composition and possible use of a substance, which remnants were found on a tile fragment made of soft brown shist.
Zakh V.A.
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Asymmetric synthesis of N-aryl aziridines [PDF]
, 2001 The reactions of a variety of N-arylhydroxamates as nitrogen transfer reagents to acryloyl derivatives of (−)-8-phenylmenthol, (−)-quinine and (−)-Oppolzer’s sultam acting as Michael acceptors was studied.
Aires-de-Sousa, João +7 more
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Química Nova, 2009 The terpenoid composition of seven amber samples from Araripe Basin (Santana Formation, Crato Member) has been analyzed by gas chromatography-mass spectrometry to determine their botanical origin.
Ricardo Pereira +3 more
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BioResources, 2016 Picea abies and Larix decidua were subjected to GC/MS analyses, and antimicrobial (fungi and bacteria) assays of their stem wood and bark extracts were investigated. L.
Mohamed Zidan Mohamed Salem +6 more
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ANALYSIS OF RESIN AND FATTY ACIDS ENRICHED IN PAPERMAKING PROCESS WATERS [PDF]
, 2010 The applicability of a special pilot-scale installation (Short Circulation Device) was studied for demonstrating the enrichment of selected resin and fatty acids in process waters when increasing water reuse during the manufacture of paper.
Antti Grönroos +6 more
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Preparation and study of physicochemical properties of modified rosins and model compounds based on them [PDF]
, 2013 Results of research of the modeling structures received with use of modified rosin are given in the article. It is shown that depending on the applied modifiers of rosin and conditions it is possible to make modeling structures with a wide range of ...
Gorshcharik, N. D. +5 more
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