Search results for "amber"
showing 10 items of 419 documents
Ādas hromoforu kartēšana, izmantojot divu momentuzņēmumu metodi
2018
Darba mērķis ir izstrādāt metodi, ar kuru īsā laika posmā var iegūt informāciju par hromoforu koncentrāciju sadalījumu ādā. Darbā tiek apskatītas vairākas ādas patoloģijas. Katra veidojuma analīzei tiek uzņemti divi attēli. Pirmais attēls tiek iegūts, ādu apgaismojot ar trīs dažādu viļņu garumu lāzeriem: 450nm, 525nm un 850nm. Savukārt otrs attēls tiek iegūts, ādu apgaismojot ar diviem dažādu viļņa garuma lāzeriem: 405nm un 656nm. Tālāk attēli tiek sadalīti R, G un B kanālos. Papildus tiek iegūti pieci references attēli, apgaismojot baltu lapu ar katru no lāzeriem. Sadalot arī šos attēlus R, G un B kanālos, rezultātā tiek iegūti 21 monohromatisks attēls, no kuriem tiek aprēķināti spektrālās…
Party autonomy regarding jurisdiction under the property regimes regulations
2021
The main accomplishment of the Property Regimes Regulations lies in their bringing more coherence into the cross-border family law adjudication. In the field of international jurisdiction, they strive to align the competence in couples? patrimony disputes to that in succession and in separation proceedings, or else to align the competence of the courts to the applicable law. These tendencies are clearly visible in the Regulations? provisions on choice of court agreements. Namely, the Regulations allow for such agreements, but severely limit parties? choice and the possible effects of these clauses. When succession or separation proceedings are pending, it is often only possible to institute…
Study of scintillation light collection, production and propagation in a 4 tonne dual-phase LArTPC
2020
The $3 \times 1 \times 1$ m$^3$ demonstrator is a dual phase liquid argon time projection chamber that has recorded cosmic rays events in 2017 at CERN. The light signal in these detectors is crucial to provide precise timing capabilities. The performances of the photon detection system, composed of five PMTs, are discussed. The collected scintillation and electroluminescence light created by passing particles has been studied in various detector conditions. In particular, the scintillation light production and propagation processes have been analyzed and compared to simulations, improving the understanding of some liquid argon properties.
Priekšējās kameras kakta novērtēšana ar optiskās koherences tomogrāfu
2020
Bakalaura darbs uzrakstīts latviešu valodā uz 25 lapaspusēm, tas satur 6 tabulas, 19 attēlus un 30 literatūras atsauces. Pētījuma mērķis bija izpētīt acs priekšējā kameras kakta struktūras atvērta un slēgta kakta glaukomas gadījumos, un sakarību starp acs priekšējā kameras kakta leņķi un varavīksnenes saknes formu. Tika analizēti 311 vienas līnijas OCT attēli no oftalmologa privātprakses, kas tika iedalīti vairākās grupās: NORM (bez acu saslimšanām), PAKG1 (primāra atvērta kakta glaukoma 1. stadijā), PAKG2 (primāra atvērta kakta glaukoma 2. stadijā), PAKG3 (primāra atvērta kakta glaukoma 3. stadijā) un SAKG (slēgta atvērta kakta glaukoma) tika analizētas varavīksnenes saknes formas (VSF) un…
A GEM-TPC in twin configuration for the Super-FRS tracking of heavy ions at FAIR
2018
The GEM-TPC [1] described herein will be part of the standard beam-diagnostics equipment of the Super-FRS [2] . This chamber will provide tracking information for particle identification at rates up to 1 MHz on an event-by-event basis. The key requirements of operation for these chambers are: close to 100% tracking efficiency under conditions of high counting rate, spatial resolution below 1 mm and a superb large dynamic range covering projectiles from Z=1 up to Z=92. The current prototype consists of two GEM-TPCs inside a single vessel, which are operating independently and have electrical drift fields in opposite directions. The twin configuration is done by flipping one of the GEM-TPCs o…
The sirocco chambers: passive cooling structures in the XVI century Palermo area
2014
In the past centuries, the plain surrounding the city of Palermo saw the construction of tens of suburban manor houses, called villas, which were referred to as “places of delight” for the amenities they offered during the good season. These architectural machines were built by aristocrats to make living in the countryside more pleasant and to exhibit their families’ richness and power. Among the delights, the Sirocco rooms were very common in Palermo from the Renaissance, and especially beyond to the XVIII century. They were artificial subterranean structures, built close to a water spring in order to reproduce the pleasant conditions of freshness that could be experienced in a natural cav…
Paul Chambersin soittotyylin analyysi
2006
Computing Difficulties for Deriving Poverty Indices from Some Functional Forms of Lorenz Curves
2014
We examine three families of classical one-parameter functional forms for estimating a Lorenz curve: the power form (Pareto, elementary form), the exponential form (Gupta, elementary form) and fractional form (Rohde). For the first time, we systematically study these functions not for their ability to be estimated but on the point of view of the possibility of deriving poverty indices, which implies first determining the headcount ratio (i.e., the percentage of poor). We show that computing difficulties have been largely underestimated. Two forms, the most simple ones, pose no problem: the elementary power and exponential forms. However, the Pareto functional form poses problem with a restr…
Pētera Damberga (1909–1987) lībiešu vietvārdu vākums
2021
Bakalaura darbs „Pētera Damberga (1909–1987) lībiešu vietvārdu vākums” ir veltīts vietvārdiem un ģeogrāfiskās nomenklatūras vārdiem lībiešu valodā. Darbs ir jauns pētījums onomastikas, īpaši lībiešu onomastikas, nozarē, jo šis vietvārdu vākums pētīts pirmo reizi. Darba uzdevumos ietilpa apskatīt vietvārdu pētīšanas teorētisko literatūru; apkopot līdzšinējos lībiešu onomastikas pētījumus un raksturot specifiku; analizēt pētījuma objektu un izveidot šī vietvārdu vākuma ģeogrāfiskās nomenklatūras vārdu sarakstu. Izmantota aprakstošā, vēsturiskā un klasifikācijas pētījumu metode. Pētījumā analizētas 1025 vietvārdu vienības un apkopoti 56 ģeogrāfiskie apelatīvi, tos sistematizējot pēc objekta ve…
The OLYMPUS Experiment
2014
Nuclear instruments & methods in physics research / A 741, 1 - 17 (2014). doi:10.1016/j.nima.2013.12.035