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Št. zadetkov: 8
Javni razpisi in dovzetnost za kartelno obnašanje ponudnikov
Nejc Lukač, Aljoša Feldin
Diplomsko delo
Oznake: javne finance;javna naročila;konkurenca;monopoli;avkcije;optimizacija;case study;
Javni razpisi in dovzetnost za kartelno obnašanje ponudnikov
Leto: 2010 Vir: Ekonomska fakulteta (UL EF)
Risk attitudes and learning
Nejc Lukač, Aljoša Feldin
Magistrsko delo
Oznake: mathematics;statistics;probability;game theory;risk management;cases;analysis;
Risk attitudes and learning
Leto: 2014 Vir: Ekonomska fakulteta (UL EF)
In vitro study of the erbium:yttrium aluminum garnet laser cleaning of root canal by the use of shadow photography
Peter Gregorčič, Nejc Lukač, Janez Možina, Matija Jezeršek
Izvirni znanstveni članek
Oznake: Er:YAG lasers;glasses;lasers;photography;water;transmittance;
Erbium:yttrium aluminum garnet laser cleaning is a promising technique in endodontic treatment. In our in vitro study, we measured the vapor-bubble dynamics in the root canal by using shadow photography. The canal model was made of a plastic cutout placed between two transparent glass plates. An art ...
Leto: 2016 Vir: Fakulteta za strojništvo (UL FS)
Synchronized delivery of Er:YAG-laser pulses into water studied by a laser beam transmission probe for enhanced endodontic treatment
Peter Gregorčič, Nejc Lukač, Janez Možina, Matija Jezeršek
Izvirni znanstveni članek
Oznake: laser beam transmission probe;Er:YAG lasers;laser endodontics;
We examine the effects of the synchronized delivery of multiple Er:YAG-laser pulses during vapor- bubble oscillations into water. For this purpose, we used a laser beam transmission probe that enables monitoring of the bubbleʼs dynamics from a single shot. To overcome the main drawbacks of this tech ...
Leto: 2016 Vir: Fakulteta za strojništvo (UL FS)
Measurements of hair temperature avalanche effect with alexandrite and Nd:YAG hair removal lasers
Daniele Vella, Matjaž Lukač, Urban Jernejčič, Nejc Lukač, Žan Klaneček, Matija Milanič, Matija Jezeršek
Izvirni znanstveni članek
Oznake: alexandrite lasers;avalanche effect;hair removal;Nd:YAG lasers;
Background and Objectives: In this study, we investigate the photothermal response of human hair using a pulsed laser source employed in the hair removal treatment. The purpose is to understand the dynamics behind the most common clinical practice to better define the salient features that may contr ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Amplification of high-intensity pressure waves and cavitation in water using a multi-pulsed laser excitation and black-TiOx optoacoustic lens
Blaž Tašič Muc, Daniele Vella, Nejc Lukač, Matjaž Kos, Matija Jezeršek
Izvirni znanstveni članek
Oznake: črni TiOx;optoakustične leče;akustična kavitacija;lasersko induciran ultrazvok;black-tiox;optoacoustic lens;acoustic cavitation;laser induced ultrasound;
A method for amplification of high-intensity pressure waves generated with a multi-pulsed Nd:YAG laser coupled with a black-TiOx optoacoustic lens in the water is presented and characterized. The investigation was focused on determining how the multi-pulsed laser excitation with delays between 50 µs ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Generation of a focused pressure wave and localized cavitation clouds using a metal-semiconductor Ti/black-TiOx optoacoustic lens
Blaž Tašič Muc, Daniele Vella, Nejc Lukač, Matjaž Kos, Matija Jezeršek
Izvirni znanstveni članek
Oznake: črni TiOx;optoakustična leča;akustična kavitacija;lasersko induciran ultrazvok;black-TiOx;optoacoustic lens;acoustic cavitation;laser induced ultrasound;
The optoacoustic (OA) generation of pressure waves above the cavitation threshold causes the rupture of the liquid and the formation of dispersed cavities. The OA lenses involved in this process are generally associated with an ultra-short laser pulse to generate high-frequency ultrasound. OA elemen ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Evaluation of laser-induced thin-layer removal by using shadowgraphy and laser-induced breakdown spectroscopy
Maja S. Rabasović, Dragutin Šević, Nejc Lukač, Matija Jezeršek, Janez Možina, Peter Gregorčič
Izvirni znanstveni članek
Oznake: shadow photography;laser-induced breakdown spectroscopy;laser material processing;
Shadow photography and laser-induced breakdown spectroscopy (LIBS) are studied as methods for monitoring the selective removal of thin (i.e., under 100 [micro]m) layers by laser ablation. We used a laser pulse of 5 ns and 16 mJ at 1064 nm to ablate an 18-[micro]m-thin copper layer from the fiberglas ...
Leto: 2016 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 8
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