Search results for " RAD"
showing 10 items of 7082 documents
Mūzikas platformas "Spotify" lietojuma motivācija Latvijā
2019
Mūsdienās, attīstoties tehnoloģijām, palielinās pieprasījums pēc kvalitatīva ierīcēs pieejamā satura. Viedtālruņi, planšetdatori, personīgie datori - šīs ir tikai dažas ierīces, kuras patērējam ikdienā un bez kurām mūsdienu pasaule vairs nav iedomājama. Tradicionālo radio arvien straujāk nomaina digitālais radio un mūzikas lietotnes. Mūzikas platforma "Spotify" ir viena no lielākajām šāda tipa aplikācijām tirgū, kas 2019.gadā pārsniedz 200 miljonus aktīvo lietotāju visā pasaulē. Bakalaura darba "Mūzikas platformas "Spotify" lietojuma motivācija Latvijā" mērķis ir noskaidrot, kāpēc Latvijas iedzīvotāji dažādās vecuma grupās izvēlas patērēt šo mūzikas platformu, nevis kādu citu līdzīgu digita…
CCDC 2131014: Experimental Crystal Structure Determination
2022
Related Article: Braulio M. Puerta Lombardi, Ethan R. Pezoulas, Roope A. Suvinen, Alexander Harrison, Zachary S. Dubrawski, Benjamin S. Gelfand, Heikki M. Tuononen, Roland Roesler|2022|Chem.Commun.|58|6482|doi:10.1039/D2CC01476A
CCDC 921248: Experimental Crystal Structure Determination
2014
Related Article: Ashok Sasmal, Eugenio Garribba, Carlos J. Gómez-García, Cédric Desplanches, Samiran Mitra|2014|Dalton Trans.|43|15958|doi:10.1039/C4DT01699H
CCDC 984617: Experimental Crystal Structure Determination
2014
Related Article: Ashok Sasmal, Eugenio Garribba, Carlos J. Gómez-García, Cédric Desplanches, Samiran Mitra|2014|Dalton Trans.|43|15958|doi:10.1039/C4DT01699H
CCDC 1534673: Experimental Crystal Structure Determination
2017
Related Article: Anders H. Pedersen, Blaise L. Geoghegan, Gary S. Nichol, David W. Lupton, Keith. S. Murray, José Martínez-Lillo, Ian A. Gass, Euan K. Brechin|2017|Dalton Trans.|46|5250|doi:10.1039/C7DT00752C
CCDC 699607: Experimental Crystal Structure Determination
2009
Related Article: M.Jung, A.Sharma, D.Hinderberger, S.Braun, U.Schatzschneider, E.Rentschler|2009|Eur.J.Inorg.Chem.||1495|doi:10.1002/ejic.200801248
Color Sensitive Response of Graphene/Graphene Quantum Dot Phototransistors
2019
We present the fabrication and characterization of all-carbon phototransistors made of graphene three terminal devices, coated with atomically precise graphene quantum dots (GQD). Chemically synthesized GQDs are the light absorbing materials, while the underlying chemical vapor deposition (CVD)-grown graphene layer acts as the charge transporting channel. We investigated three types of GQDs with different sizes and edge structures, having distinct and characteristic optical absorption in the UV–vis range. The photoresponsivity exceeds 106 A/W for vanishingly small incident power (<10–12 W), comparing well with state of the art sensitized graphene photodetectors. More importantly, the photor…
Energy transfer in LH2 of Rhodospirillum Molischianum, studied by subpicosecond spectroscopy and configuration interaction exciton calculations.
2001
Two color transient absorption measurements were performed on a LH2 complex from Rhodospirillum molischianum by using several excitation wavelengths (790, 800, 810, and 830 nm) and probing in the spectral region from 790 to 870 nm at room temperature. The observed energy transfer time of ∼1.0 ps from B800 to B850 at room temperature is longer than the corresponding rates in Rhodopseudomonas acidophila and Rhodobacter sphaeroides. We observed variations (0.9-1.2 ps) of B800-850 energy transfer times at different B800 excitation wavelengths, the fastest time (0.9 ps) was obtained with 800 nm excitation. At 830 nm excitation the energy transfer to the B850 ring takes place within 0.5 ps. The m…
Numerical Procedures and their Practical Application in PV Module Analyses. Part IV: Atmospheric Transparency Parameters - Application
2020
Abstract The presented article relates to aspects of PV module testing using natural sunlight in outdoor conditions. It is a continuation of the article Part III: parameters of atmospheric transparency - determining and correlations. This article discusses the practical application of the indexes: atmosphere purity - k Tm , diffused component content - k s/o , beam clear sky index - K b - in testing various modules in outdoor conditions. Their influence on the conversion of modules made from various absorbers and various technologies is demonstrated. Their practical application in module testing in outdoor conditions is described and it - has been demonstrated that the results of the analys…
Optical properties of GaSe, characterization and simulation
2021
Abstract The study focuses on structural and optical characterizations and properties of the GaSe lamellar material in one hand and on a numerical simulation of the photovoltaic properties of the ITO/GaSe heterojunction in a second hand. A few layers of GaSe were exfoliated from bulk GaSe on PET substrate. The optical transmission was recorded at room temperature. It shows that GaSe exhibits both indirect and direct band gaps of about 1.92 and 2.2 eV respectively. A value, as high as 104 cm−1, of the absorption coefficient was obtained. The corresponding refractive index has been determined numerically according to the Sellmeier and Cauchy models. The interesting value of absorption shows o…