1. Study of grapevine early leaf removal sustainability potential by means of targeted metabolomic approachMelita Sternad Lemut, Paolo Sivilotti, Lorena Butinar, Ajda Lemut, Urška Vrhovšek, 2017, objavljeni povzetek znanstvenega prispevka na konferenci Ključne besede: Pinot gris, early leaf removal, sustainable viticulture, grape compactness, targeted metabolomics, phenolic compounds
Objavljeno: 21.09.2017; Ogledov: 55; Prenosov: 0
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4. Pobude za tretji pas na odseku avtoceste Vrhnika - Razdrto do leta 2025, za razširitev vseh slovenskih avtocest in hitro progo Nova Gorica - PtujZoran Božič, druga izvedena dela Opis: Dopolnjena in razširjena pobuda za tretji pas na primorki, tokrat naslovljena na vlado Republike Slovenije. Pobude upoštevajo povečanje prometne mobilnosti in zmanjšanje pretočnosti, vključujejo pa tudi skrb za trajnostni razvoj in samooskrbo prebivalstva s hrano.
Ključne besede: Državni svet, Vlada RS, svetniška pobuda, avtocesta Ljubljana - Razdrto, avtocestni križ, šestpasovnica, kamionski promet, hitra proga, rimska cesta Oglej - Ptuj
Objavljeno: 18.09.2017; Ogledov: 64; Prenosov: 0
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6. FROM SPINODAL DECOMPOSITION AND MOLECULAR DISPERSION OF POLYSILANES TO SUPER-HARD NANOCOATINGArtem V. Badasyan, Boštjan Mavrič, Matjaž Valant, objavljeni povzetek znanstvenega prispevka na konferenci Opis: Conformations of polymer molecules in solution crucially depend on the sign of the
effective potential energy of interaction between the monomers, also known as the
quality of solvent. Therefore in “poor” solvent regime, when effective attraction
overwhelms, the experimental measurements of polymer sizes are complicated by the
agglomeration of macromolecules, followed by precipitation. This phenomenon, also
known as spinodal decomposition, causes serious problems when the goal is to
determine properties of individual macromolecules. Interestingly, while in the case of
carbon-based polymers the precipitation-related problems can be easily avoided with
dilution, this is not the case for polysilanes, i.e. polymeric chains on basis of silicon.
Although the linear polysilanes were first synthesized in early 1920’s, the aggregationrelated
problems have hampered their studies and applicability until recently.
In the Materials Research Laboratory of University of Nova Gorica we have developed
a technology to strengthen the scratch-resistance nanocoating for glass on the basis of
polysilane dendritic polymers we synthesized. Through the prism of the Flory-Huggins
theory, that provides a miscibility phase diagram in temperature-volume fraction
variables, the quality of polymer solution can be manipulated by changing the
temperature. Using Dynamic Light Scattering (DLS) and Differential Scanning
Calorimetry (DSC) we have managed to show, that at temperatures in the range of 40-
50 C the deagglomeration of the dendritic polysilane takes place in tetrahydrofuran
(THF) [1], and the system becomes a true molecular dispersion with particles 20 nm in
size [2]. Introducing such molecular dispersion into the alumina precursor solution
yields an amorphous nanocomposite stabilized by a high level of strain. This resulted in
an extraordinary increase of hardness and scratch resistance of the alumina – polymer
nanocomposite coating that can be used for glass protection [3].
Ključne besede: Polysilane, dendrimer, solubility
Objavljeno: 12.09.2017; Ogledov: 97; Prenosov: 0
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9. Sadovnjak starih sadnih sort v Kojskem v BrdihZoran Božič, druga izvedena dela Opis: Prezentacija prinaša zgodbe o Luciju Columelli, Ivanu Bolletu, Potopisu Jožefa Levičnika, sadovnjaku v Morskem pri Kanalu, Petoralih in pituralkah, Ojkarstvu od pozebe do obnove, Destileriji Capovilla, knjigah Stare sadne sorte na Goriškem in Sadje sonca ter sadovnjaku Pod skalco.
Ključne besede: agronomija, sadjarstvo, visokodebelni travniški sadvnjak, Lucij Columella, Cadiz, Ivan Bolle, Goriške črešnje, Nikolaj II. Romanov, Ernest Klavžar, Jožef Levičnik, Ročinj, Jožef Ušaj, Kmečko branje, Carlo Hugues, Maslinarstvo u Istri, Gianni Vittorio Capovilla, destilerija, pettorali caldi, pituralke
Objavljeno: 11.09.2017; Ogledov: 81; Prenosov: 0
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