3551. Cross-Linguistic Variation in the Meaning of Quantifiers : Implications for Pragmatic EnrichmentPenka Stateva, Arthur Stepanov, Viviane Déprez, Ludivine Dupuy, Anne Reboul, 2019, original scientific article Abstract: One of the most studied scales in the literature on scalar implicatures is the quantifier scale. While the truth of some is entailed by the truth of all, some is felicitous only when
all is false. This opens the possibility that some would be felicitous if, e.g., almost all of the objects in the restriction of the quantifier have the property ascribed by the nuclear scope. This prediction from the standard theory of quantifier interpretation clashes with native speakers’ intuitions. In Experiment 1 we report a questionnaire study on the perception of quantifier meanings in English, French, Slovenian, and German which points to a cross-linguistic variation with respect to the perception of numerical bounds
of the existential quantifier. In Experiment 2, using a picture choice task, we further examine whether the numerical bound differences correlate with differences in pragmatic
interpretations of the quantifier some in English and quelques in French and interpret the results as supporting our hypothesis that some and its cross-linguistic counterparts are
subjected to different processes of pragmatic enrichment.
Keywords: quantifier, numerical bound, scalar implicature, R/I-implicature, M-implicature
Published in RUNG: 15.05.2019; Views: 3235; Downloads: 168
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3552. v-P2O5 micro-clustering in P-doped silica studied by a first-principles Raman investigationLuigi Giacomazzi, Layla Martin-Samos, Antonino Alessi, A. Boukenter, Youcef Ouerdane, Sylvain Girard, Nicolas Richard, Matjaž Valant, Stefano de Gironcoli, 2019, original scientific article Keywords: silica, POHC, optical fibers, Raman, EPR
Published in RUNG: 10.05.2019; Views: 3414; Downloads: 0
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3553. Overview of radiation induced point defects in silica-based optical fibersSylvain Girard, Antonino Alessi, Vincenzo De Michele, Youcef Ouerdane, A. Boukenter, Adriana Morana, Nicolas Richard, Philippe Paillet, Marco Cannas, Simonpietro Agnello, Imène Reghioua, Blaz Winkler, Layla Martin-Samos, Luigi Giacomazzi, Diego Di Francesca, Thierry Robin, 2019, review article Keywords: optical fibers, point defects, radiation-induced attenuation, GLPC, NBOHC, STH, ODC, P-doping, Ge-doping, Al-doping
Published in RUNG: 09.05.2019; Views: 3388; Downloads: 0
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3554. Prešernove pesmi - aktualne, nemoralne ali preprosto genialne?Zoran Božič, other performed works Abstract: Predstavitev manj znanih posebnosti Prešernove poezije.
Keywords: France Prešeren, romantika, klasična poezija, slovenska književnost, razumevanje literature, literarno vrednotenje, državna himna, Zdravljica, vlada RS, Boris Pahor
Published in RUNG: 09.05.2019; Views: 3210; Downloads: 0
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3558. Coherent soft X-ray pulses from an echo-enabled harmonic generation free-electron laserPrimož Rebernik Ribič, Giovanni De Ninno, 2019, original scientific article Abstract: X-ray free-electron lasers (FELs), which amplify light emitted by a relativistic electron beam, are extending nonlinear optical techniques to shorter wavelengths, adding element specificity by exciting and probing electronic transitions from core levels. These techniques would benefit tremendously from having a stable FEL source, generating spectrally pure and wavelength-tunable pulses. We show that such requirements can be met by operating the FEL in the so-called echo-enabled harmonic generation (EEHG) configuration. Here, two external conventional lasers are used to precisely tailor the longitudinal phase space of the electron beam before emission of X-rays. We demonstrate high-gain EEHG lasing producing stable, intense, nearly fully coherent pulses at wavelengths as short as 5.9 nm (~211 eV) at the FERMI FEL user facility. Low sensitivity to electron-beam imperfections and observation of stable, narrow-band, coherent emission down to 2.6 nm (~474 eV) make the technique a prime candidate for generating laser-like pulses in the X-ray spectral region, opening the door to multidimensional coherent spectroscopies at short wavelengths.
Keywords: free electron laser, coherence, x-rays
Published in RUNG: 07.05.2019; Views: 3451; Downloads: 0
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3559. New Insights into Manganese Local Environment in MnS-1NanocrystalsAlenka Ristić, Matjaž Mazaj, Iztok Arčon, Nina Daneu, Nataša Zabukovec Logar, Roger Glaser, Nataša Novak Tušar, 2019, original scientific article Abstract: Manganese plays an important role in redox catalysis using zeolites as inorganic support materials, but the formation of the preferred redox manganese species (framework or extraframework) is still not well understood. Herein, the influence of the amount of manganese together with conventional and microwave-assisted hydrothermal synthesis paths on the formation of manganese species within the zeolite silicalite-1 (S-1) with MFI structure was investigated. It was found out that both synthesis procedures led to the formation of framework and extraframework manganese species, but in different molar ratios. However, the conventional synthesis procedure with all Mn/Si molar ratios generates more framework Mn in comparison to the microwave procedure. Additionally, the diminution of the zeolite crystals to nanoscale from 100 to 200 nm was achieved via the conventional procedure for the first time. UV–vis, Raman, and X-ray absorption spectroscopic analyses revealed different local environments of manganese: Mn3+ incorporated into the silicalite-1 framework as “framework manganese” and Mn2+/3+ present as “extraframework manganese” (Mn2O3, Mn3O4). TEM reveals the presence of Mn3O4 nanorods. Both framework manganese and extraframework manganese exhibit good catalytic activity for styrene epoxidation. Catalytic results suggest that, in oxidation reactions of hydrocarbons, framework manganese is more active at lower Mn contents (Mn/Si < 0.015), whereas extraframework manganese is more active at higher loadings (Mn/Si > 0.015).
Keywords: MnS-1 Nanocrystals, Mn XANES, EXAFS, zeolites, microwave-assisted hydrothermal synthesis
Published in RUNG: 06.05.2019; Views: 3432; Downloads: 0
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