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61.
Model vrednotenja primernosti kandidatov za delovna mesta v zdravstvenem domu
Boštjan Milič, 2017, master's thesis

Abstract: IZVLEČEK V magistrskem delu smo opisali nastali kadrovski odločitveni problem v Zdravstvenem domu Sežana. Obravnavali smo problem vrednotenja primernosti kandidatov za izbrano delovno mesto v zdravstvenem domu. Osredotočili smo se na tri delovna mesta (administratorja, zdravnika stomatologa in zdravnika pediatra) in najprej pridobili podatke o razpisanih delovnih mestih. V razpisih so bili podani kriteriji, s katerimi smo izdelali večparametrski model vrednotenja za vsako delovno mesto posebej. Te modele smo izdelali z računalniškim programom DEXi. Na podlagi tega programa smo vrednotili kandidate za delovna mesta. Izmed 334 prijavljenih kandidatov za delovno mesto administratorja smo z modelom ovrednotili in ugotovili, da je za delovno mesto najprimernejši ekonomist računovodske smeri. Podobno smo izbrali najprimernejša izmed 254 prijavljenih kandidatov za delovno mesto zdravnika stomatologa in med 145 prijavljenimi kandidati za novo delovno mesto zdravnika pediatra. Večparametrski model DEX se je izkazal za odlično alternativo pri izbiri novega kandidata za izbrano delovno mesto. Z uporabo metode šestih klobukov razmišljanja smo potrdili rezultate izbora kandidatov.
Keywords: kandidati, delovno mesto, večparametrski model vrednotenja, analiza SWOT, metoda šestih klobukov razmišljanja
Published in RUNG: 02.03.2018; Views: 5306; Downloads: 206
.pdf Full text (1,24 MB)

62.
Portrait of light
Marco Pelos Spagno, 2017, undergraduate thesis

Abstract: This work aims to research the basic structure of lighting in portraits in a controlled light situation. After providing a brief historical introduction to define where modern lighting comes from, I will describe and analyse the tools used to modify the light in a studio and the procedure to follow before a portrait session. I will present a series of images shot in a studio, and I will touch upon most possible basic lighting setups in a portrait session, from most simple ones to some more complex ones, describing the set of lights, the type of modifiers used, and the effects that the light can have on a viewer. My final aim is to build up a collection of light setups that can be helpful to anyone who wants to approach portrait photography and the studio workflow, not aiming to build a manual, but just providing a report on my personal research and study.
Keywords: portrait, light, studio, study, technique, photography, bw, model, modifiers, controloflight, history, paintings, art, exposure
Published in RUNG: 29.11.2017; Views: 4815; Downloads: 314
.pdf Full text (6,53 MB)
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63.
Search for Physics beyond the Standard Model with the CRESST Experiment
2017, master's thesis

Abstract: In spite of the successes of observational astro- and particle physics and cosmology very much of the universe remains unknown. The Standard Model of particle physics is a theory describing the electromagnetic, weak, and strong nuclear interactions, as well as classifying all the subatomic particles known. But there is overwhelming evidence, that all the known particles, the ordinary (baryonic) matter, the building blocks of planets, stars and ourselves, only make up about 4.9% of the energy content of the universe. The standard model of cosmology (CDM) indicates that the total mass-energy of the universe contains beside the 4.9% ordinary matter two other components: 26.8% dark matter and 68.3% dark energy. The accelerating expansion of the Universe is the result of the effect of the dark energy with its most simple form given by a cosmological constant in Einstein's Equation. Dark matter is an unidentified type of matter that is not accounted for by dark energy and neutrinos and is generally believed to be a non-relativistic, charge neutral and non-baryonic new form of matter. Although dark matter has not been directly observed yet, its existence and properties are inferred from its gravitational effects such as the motions of visible matter, gravitational lensing, its influence on the universe's large-scale structure, and its effects in the cosmic microwave background. Thus the search for Dark Matter is the search for physics beyond the standard model. Although the nature of dark matter is yet unknown, its presence is crucial to understanding the future of the universe. The CRESST experiment is searching for direct evidence in the form of a nuclear recoil induced on a scintillating CaWO4 crystal by a dark matter particle, and is installed and taking data underground at Laboratory Nazionali del Gran Sasso (LNGS) in Italy. While both, dark energy and dark matter, have not been detected directly, a class of dark matter particles that interact only via gravity and the weak force, referred to asWeakly Interacting Massive Particles (WIMPs), has been established as the leading candidate among the dark matter community. For this thesis a special model of dark matter was studied, namely the dark photon. This thesis provides a detailed description of the calculation of the 90% upper limit on the dark photon kinetic mixing based on data from the second phase of the CRESST experiment. The analysis was carried out in a frequentist approach based on the (unbinned) maximum-likelihood method and likelihood ratios. To make a statement about the calculated result and its quality, the used algorithm had to be tested, what was done with Monte Carlo simulations (pseudo data).
Keywords: astro physics, particle physics, cosmology, universe, Standard Model of particle physics, standard model of cosmology, matter, ordinary matter, dark matter, dark energy, accelerating expansion of the Universe, non-baryonic, new form of matter, gravitational lensing, cosmic microwave background, search for physics beyond the standard model, CRESST experiment, direct detection, CaWO4 crystal, underground laboratory, Laboratory Nazionali del Gran Sasso, Weakly Interacting Massive Particles, WIMP, dark photon, 90% upper limit, upper limit, kinetic mixing, frequentist approach, unbinned, maximum likelihood
Published in RUNG: 13.10.2017; Views: 4454; Downloads: 0
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64.
Nuovi modelli di ricerca: oncologia comparativa per lo studio dei sarcomi
Ario De Marco, unpublished invited conference lecture

Keywords: Comparative oncology, sarcoma, canine model, immune-reagents
Published in RUNG: 10.10.2017; Views: 3658; Downloads: 0
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65.
66.
Multicaloric effect during nerve action
Matjaž Valant, 2016, published scientific conference contribution abstract (invited lecture)

Keywords: multikalorični efekt, prenos žičnega signala, solitonski model
Published in RUNG: 04.01.2017; Views: 4394; Downloads: 0
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67.
Vrednotenje in izbira tehnoloških rešitev za proizvodnjo statorjev
Primož Pahor, 2016, master's thesis

Abstract: Magistrska naloga obravnava vrednotenje in izbiro tehnoloških rešitev za izdelavo statorjev elektromotorja. Izbrano podjetje, s katerim smo sodelovali pri izdelavi magistrske naloge, se vse pogosteje sooča z izbiro tehnoloških rešitev za izdelavo elektromotorjev in njihovih podsestavov. Zato smo se odločili za snovanje odločitvenega modela, ki bo omogočal hitro in enostavno vrednotenje tehnoloških rešitev za izdelavo statorjev. V magistrski nalogi smo predstavili razvoj in delovanje odločitvenih modelov po kombinirani odločitveni metodi utežene vsote in odločitvenih dreves ter odločitveni metodi DEX. V nadaljavanju smo analizirali alternative, odločitvene modele in rezultate primerjali in ugotavljali njihovo skladnost. Odločitveni modeli po obeh metodah pomagajo ovrednotiti najboljšo tehnološko rešitev na nivoju dobavitelja tehnološke rešitve za izdelavo statorjev. V modelu, izdelanem po kombinirani metodi utežene vsote in odločitvenih dreves, smo upoštevali tudi verjetnost pojavitve napovedanih proizvodnih količin, s čimer smo poskusili izbiro še dodatno izboljšati in čim bolj zmanjšati odločitveno tveganje. Zaradi kompleksnosti odločitvenega problema smo odločanje pri obeh odločitvenih modelih razdelili na dve stopnji in tako dosegli boljšo strukturiranost in preglednost odločitvenega postopka. Iz obeh odločitvenih modelov smo dobili enako razvrstitev izbranih alternativ in tako ugotovili, da sta modela primerljiva. Najbolje ovrednoteni dobavitelj strojne opreme je z Japonske in se tudi v realnosti izkazuje kot najboljši izmed treh ponudnikov strojne opreme za izdelavo statorjev elektromotorjev. Iz tega lahko sklepamo, da sta odločitvena modela pravilna in primerna za realizacijo v praksi.
Keywords: elektromotor, stator, tehnologija proizvodnje, odločitveni model, vrednotenje, odločitvena metoda DEX, odločitvena metoda utežene vsote, metoda odločitvenih dreves
Published in RUNG: 24.11.2016; Views: 6333; Downloads: 304
.pdf Full text (2,25 MB)

68.
Phase behaviour of self-assembled monolayers controlled by tuning physisorbed and chemisorbed states: a lattice-model view
Sara Fortuna, David L. Cheung, Karen Johnston, 2016, original scientific article

Abstract: The self-assembly of molecules on surfaces into 2D structures is important for the bottom-up fabrication of functional nanomaterials, and the self-assembledstructure depends on the interplay between molecule-molecule interactions and molecule-surface interactions. Halogenated benzene derivatives on platinum have been shown to have two distinct adsorption states: a physisorbed state and a chemisorbed state, and the interplay between the two can be expected to have a profound effect on the self-assembly and phase behaviour of these systems. We developed a lattice model that explicitly includes both adsorption states, with representative interactions parameterised using density functional theory calculations. This model was used in Monte Carlo simulations to investigate pattern formation of hexahalogenated benzene molecules on the platinumsurface. Molecules that prefer the physisorbed state were found to self-assemble with ease, depending on the interactions between physisorbed molecules. In contrast, molecules that preferentially chemisorb tend to get arrested in disordered phases. However, changing the interactions between chemisorbed and physisorbed molecules affects the phase behaviour. We propose functionalising molecules in order to tune their adsorption states, as an innovative way to control monolayer structure, leading to a promising avenue for directed assembly of novel 2D structures.
Keywords: lattice model, hexagonal lattice, Monte Carlo, DFT, density functional theory, benzene, physisorption, chemisorption, halogenated
Published in RUNG: 11.10.2016; Views: 4473; Downloads: 0
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69.
Hexagonal lattice model of the patterns formed by hydrogen-bonded molecules on the surface
Sara Fortuna, David L. Cheung, Alessandro Troisi, 2010, original scientific article

Abstract: We model the two-dimensional self-assembly of planar molecules capable of complementary interactions (like hydrogen bonding) as a set of hexagonal tiles on a hexagonal lattice. We use Monte Carlo simulations to study the phase diagrams of three model systems. The phases are characterized using a variety of order parameters, and they are studied as a function of the strength of the complementary interaction energy. This simplified model is proven to be capable of reproducing the phases encountered in real systems, unifying within the same framework most of the structures encountered experimentally.
Keywords: self-assembly, self-organisation, Monte Carlo, simulation, lattice model, dicarboxilic acid, hexagonal lattice
Published in RUNG: 10.10.2016; Views: 4757; Downloads: 0
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70.
WATER-POLYPEPTIDE INTERACTION IN CLASSICAL MODELS OF HELIX-COIL TRANSITION
Knarik Yeritsyan, 2016, undergraduate thesis

Abstract: Zimm-Bragg model is the simplest to describe the conformational transitions in biopolymers and is regularly used for preocessing the experimental data. We review the model and its Hamiltonian definition with the goal to introduce the interaction with water into the picture. We show how modified ZB model with the account of water-polypeptide interactions allows to describe both cold denaturation and helix-coil transition and derive such the formula explicitly. The obtained theoretical expression for the helicity degree contains two independent parameters that can be fitted with the experimental data to determine the parameters of cold denaturation and helix-coil transition from a single fit and for a single set of experimental data.
Keywords: Zimm-Bragg model, conformational transitions in biopolymers, cold denaturation
Published in RUNG: 28.09.2016; Views: 7265; Downloads: 267
.pdf Full text (1,70 MB)

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