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74. Effects of the molecular potential on coexcitations of valence electrons in the K-shell photoeffect of 3p and 4p elementsRobert Hauko, Jana Padežnik Gomilšek, Alojz Kodre, Iztok Arčon, Giuliana Aquilanti, 2019, izvirni znanstveni članek Opis: Photoabsorption spectra of gaseous hydrides of 3p (PH3, H2S, HCl) and 4p elements (GeH4, AsH3 , H2Se,
HBr) are measured in the energy region within 50 eV above the K edge, to study coexcitations of valence
electrons by photoeffect in the K shell. The analysis of the valence coexcitations is extended to Ar, Kr, and
SiH4. Relative probabilities and energies of states in the individual coexcitation channels are recovered by
modeling the spectral features with a minimal ansatz based on the features in the contiguous noble gas. The
extracted parameters are compared to the results of theoretical calculations for molecules (ORCA code) and
free atoms (Hartree-Fock code). The experimental results confirm that the valence coexcitations in the 3p and
4p hydride molecules can be satisfactorily described by a two-step process, with the shake of the outer electron
following the excitation of the core electron. The total probability—relative to the K-edge jump—of the shake-up
processes shows a steady decrease from 19% in Si to 14% in Cl, and from 15% in Ge to 12% in Br. The
experimental values for Ar (12%) and Kr (10%) are in accord with the trend. The dominant contribution is
the transition to quasiatomic orbitals, in contrast with the deeper coexcitation channels in hydride molecules
where transition to molecular orbitals prevails.
Ključne besede: X-ray absorption spectra, gaseous hydrides, 3p K-edge spectra, DFT
Objavljeno: 05.09.2019; Ogledov: 116; Prenosov: 0
 Polno besedilo (926,96 KB) |
75. Recent advances in 2D imaging of element distribution in Plants by focused beam techniquesKatarina Vogel-Mikuš, Johannes Teun van Elteren, Marjana Regvar, Jitrin Chaiprapa, Boštjan Jenčič, Iztok Arčon, Alojz Kodre, Peter Kump, Anja Kavčič, Mitja Kelemen, Dino Metarapi, Marijan Nečemer, Primož Vavpetič, Primož Pelicon, Paula Pongrac, 2019, samostojni znanstveni sestavek ali poglavje v monografski publikaciji Ključne besede: 2D Imiging, XRF, XANES, synchrotron light
Objavljeno: 05.09.2019; Ogledov: 94; Prenosov: 0
Polno besedilo (8,41 MB) |
76. InsichreflektiertseinJosipa Škrapić, 2019, diplomsko delo Opis: Self – reflection is treated through philosophical works which were interpreted and reinterpreted for the concept of the installation. Different approaches to it, separating and explaining emotions, feeling them and comprehension of feeling emotions. The approach to consciousness and reflection within is continued in the representation of some artist's works and importance of arts for human cognitive growth in general. Both segments, philosophical and artistic one come together in the part where we are led to the presentation of the installation Insichreflektiertsein, a name coming from Hegel meaning self-reflected within.
Ključne besede: self-reflection, philosophy, openwork, conceptual art, land art, Georg Wilhelm Friedrich Hegel, Rudolf Arnheim, Antonio Damasio, Gordana Škorić, Nancy Holt, Group OHO, Dragana Sapanjoš, installation
Objavljeno: 04.09.2019; Ogledov: 105; Prenosov: 9
Polno besedilo (1,43 MB) |
77. LE IN SAMO KOT SPROŽILCA POMENSKIH PREDPOSTAVK: EKSPERIMENTALNA ŠTUDIJA V SLOVENŠČINIZala Zbičajnik, 2019, diplomsko delo Opis: V svojem diplomskem delu se ukvarjam s posebno vrsto pomenskih predpostavk in njihovimi sprožilci. Uvod se osredotoča na pragmatične in semantične značilnosti predpostavk. Pregledane so teoretične in eksperimentalne raziskave o pomenskih predpostavkah in njihovem sprožilcu only (samo/le) ter med nekaterimi njenimi tujimi ustreznicami. V svojem delu predstavim rezultate eksperimentalne študije, posvečene slovenskima ustreznicama angleške besede only, le in samo. Preučujem, kako materni govorci slovenščine sodijo o obeh sprožilcih pomenske predpostavke s pragmatičnega vidika. Študija odgovarja na vprašanje, ali sta besedi sinonimni, katera beseda je rabljena pogosteje ter kako sta uporabljeni v določenih slovenskih dialektih. Bolj nazorno, študija predlaga, da slovenski ustreznici besede only v prevodu pripadata skupini trdih sprožilcev, ki jih določi Abusch (2009), ti pa so opredeljeni kot sprožilci v pomenskih predpostavkah, ki ne morejo biti preklicane.
Ključne besede: Pomenska predpostavka, sprožilec, only, le, samo, pragmatično procesiranje
Objavljeno: 04.09.2019; Ogledov: 117; Prenosov: 21
Polno besedilo (1,08 MB) |
78. On the Cost of Scalar ImplicaturesGRETA MAZZAGGIO, ANNE REBOUL, CHIARA CARETTA, MÉLODY DARBLADE, Jean-Baptiste van der Henst, Anne Cheylus, Penka Stateva, 2019, objavljeni povzetek znanstvenega prispevka na konferenci Ključne besede: scalar implicature, reaction time, eye-tracking, sentence evaluation task
Objavljeno: 02.09.2019; Ogledov: 106; Prenosov: 0
Polno besedilo (847,52 KB) |
79. 17β-Estradiol and testosterone amniotic concentrations in at term born puppies: preliminary resultsJasmine Fusi, Tanja Peric, 2019, objavljeni povzetek znanstvenega prispevka na konferenci Opis: The study of fetal sexual steroid hormones production during pregnancy deserve scientific interest in both humans and animals, to better understand the normal sexual development, but also in the recently investigated impact on the future health outcomes (Kuijper et al, 2013). Many studies reported the early production of testosterone by the testes during the fetal stage
of development; however, also estrogens were recognized to play a role in developing programming. Because of the scarce knowledge about this topic in the dog, the present study was aimed to assess the 17β-estradiol (E2) and testosterone (T) amniotic concentrations at birth in normal newborn dogs. The study was conducted on 31 normal puppies, 16 males and 15
females, born by 10 healthy bitches belonging to several breeds, submitted to elective Caesarean section at term, with litter-size ranging between 1 to 5. Amniotic fluid from each puppy was collected (Meloni et al, 2014) and immediately stored at - 20 ° C until analysis by RIA. Amniotic E2 concentrations in male and female puppies were 124±66.82 pg/ml and 109±42.15 pg/ml, respectively; while amniotic T concentrations were 124±91.24 pg/ml and 114±71.72 pg/ml, in male and female puppies, respectively, without significant differences between the two genders. These preliminary results showed that both E2 and T were detectable in canine amniotic fluid, but without differences between male and female puppies. The wide standard deviations found deserve further investigations on a larger number of subjects, to identify possible causes, such as the effect played by the bitch.
Kuijper EA, Ket JC, Caanen MR, Lambalk CB. Reproductive hormone concentrations in pregnancy and neonates: a systematic review. Reprod Biomed Online 2013; 27:33-63; Meloni T, Comin A, Rota A, Peric T, Contri A, Veronesi MC. IGF-I and NEFA concentrations in fetal fluids of term pregnancy dogs. Theriogenology 2014;8:1307-11.
Ključne besede: 17β-Estradiol, testosterone, amniotic fluid, fetal fluid, dog, puppy
Objavljeno: 29.08.2019; Ogledov: 130; Prenosov: 0
Polno besedilo (7,50 MB) |
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