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Agreement errors and structural distance: A corpus study of Bulgarian
Arthur Stepanov, Penka Stateva, 2016, original scientific article

Abstract: In this work we address the phenomenon of substitution of the special “count form” suffix of masculine non-person nouns in Bulgarian numeral phrases for a simple plural morpheme. This substitution phenomenon is observed in everyday speech and writing and is noted by traditional Bulgarian grammarians. We propose to treat this phenomenon on a par with agreement errors previously investigated in the language production literature on English (e.g. “The editor of the books are...”) and on the Romance languages. We conducted a corpus study of agreement substitution errors in Bulgarian, the results of which support the psycholinguistic theories maintaining, in particular, that structural hierarchy is relevant for the computation of agreement in language production.
Found in: ključnih besedah
Keywords: agreement, error, count form, feature, distance, Bulgarian
Published: 29.08.2016; Views: 2538; Downloads: 0

Cellulose-glycerol-polyvinyl alcohol composite films for food packaging: Evaluation of water adsorption, mechanical properties, light-barrier properties and transparency
Gonzalo Velazquez, Manuel Vazquez, Patricia Cazon, 2018, original scientific article

Abstract: Nowadays consumers are aware of environmental problems. As an alternative to petrochemical polymers for food packaging, researchers have been focused on biopolymeric materials as raw material. The aim of this study was to evaluate mechanical properties (toughness, burst strength and distance to burst), water adsorption, light- barrier properties and transparency of composite films based on cellulose, glycerol and polyvinyl alcohol. Scanning electron microscopy, spectral analysis (FT-IR and UV–VIS-NIR) and differential scanning calorimetry were performed to explain the morphology, structural and thermal properties of the films. Results showed that polyvinyl alcohol enhances the toughness of films up to 44.30 MJ/m3. However, toughness decreases when glycerol concentration is increased (from 23.41 to 10.55 MJ/m3). Water adsorption increased with increasing polyvinyl alcohol concentration up to 222%. Polyvinyl alcohol increased the film thickness. The films showed higher burst strength (up to 12014 g) than other biodegradable films. The films obtained have optimal values of transparency like those values of synthetic polymers. Glycerol produced a UV protective effect in the films, an important effect for food packaging to prevent lipid oxidative deterioration. Results showed that it is feasible to obtain cellulose-glycerol-polyvinyl alcohol composite films with improved properties.
Found in: ključnih besedah
Summary of found: ...evaluate mechanical properties (toughness, burst strength and distance to burst), water adsorption, light- barrier properties...
Keywords: Cellulose, Toughness, Burst strength, Distance to burst, Water adsorption, Transparency
Published: 14.12.2020; Views: 323; Downloads: 0
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