Zobrazeno 1 - 10
of 25
pro vyhledávání: '"César Costa Vera"'
Publikováno v:
Revista Politécnica, Vol 37, Iss 1, Pp 93-93 (2016)
Abstract: Previous work by one of the authors has shown the dependence of the Rayleigh-type optical mixing (RTOM) signal intensity on the incident pump and probe frequencies for different values of the ratio of relaxation times k = T1 / T2. In this w
Externí odkaz:
https://doaj.org/article/9c184ff7f6ff48158d31e676c759ce4c
Autor:
María Emilia Dueñas, Sebastián Manzano, Vanessa Jiménez, Cesar H. Zambrano, Cristian Santacruz, César Costa Vera
Publikováno v:
ACI Avances en Ciencias e Ingenierías, Vol 3, Iss 2 (2011)
The characterization of a mixture of cucurbit[n]uril (n = 6,7,8) was carried out by MALDI MS (Matrix-assisted Laser Desorption/Ionization Mass Spectrometry Mass Spectrometry). The solid mixture of the titled compounds was synthesized as part of a res
Externí odkaz:
https://doaj.org/article/0cd288938b5642ac80a4b8ad5204cd4e
Autor:
Diego Jijón, César Costa Vera
Publikováno v:
ACI Avances en Ciencias e Ingenierías, Vol 3, Iss 2 (2011)
The use of laser-induced breakdown spectroscopy (LIBS) together with a pencil lead substrate for the quantitative analysis of salts dissolved in liquids provides is introduced as a very efficient and sensitive analytical method. In this work we have
Externí odkaz:
https://doaj.org/article/5b509249268442e7a69a69bc4b2b47b6
Autor:
Francisco Quiroz, Luis Lascano, Maria J. Benitez, Alexis Debut, Karla Vizuete, Thomas Cadenbach, César Costa Vera, A. Lucia Morales
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 11, Iss 1, Pp 1822-1833 (2020)
Beilstein Journal of Nanotechnology
Beilstein Journal of Nanotechnology
In this work, monodisperse BiFeO3 nanoparticles with a particle diameter of 5.5 nm were synthesized by a nanocasting technique using mesoporous silica SBA-15 as a hard template and pre-fabricated metal carboxylates as metal precursors. To the best of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd40d0bec8a5028574f0d91c87e32a31
https://doaj.org/article/2aa26b4a67b14f08be06deb7d10d4a13
https://doaj.org/article/2aa26b4a67b14f08be06deb7d10d4a13
Publikováno v:
Optics Communications. 405:238-243
In this work we introduce a methodology for the determination of the longitudinal and transversal relaxation times in a two-level system using symmetry properties of the optical responses in the frequency space e Δ 1 , Δ 2 . Employing the density m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efb7345ea617df88c28c02183b213233
https://doi.org/10.1016/j.optcom.2017.08.018
https://doi.org/10.1016/j.optcom.2017.08.018
Autor:
Francisco Quiroz, José Iván Chango, Jessica Santiana, Gema González, Carlos Reinoso, Milagro Fernández-Delgado, César Costa Vera, Víctor Salazar, Antonio Diaz-Barrios, Lorenzo Caniglia
Publikováno v:
Materials Chemistry and Physics. 255:123476
Although the synthesis and the study of properties of silver nanoparticles (AgNP) have been the subject of much research, it is also of great interest the development of new hybrid nanomaterials based on AgNP and the corresponding stabilization by me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4b32080e56e8cdddc85fc0843e9d254
https://doi.org/10.1016/j.matchemphys.2020.123476
https://doi.org/10.1016/j.matchemphys.2020.123476
Publikováno v:
SEDICI (UNLP)
Universidad Nacional de La Plata
instacron:UNLP
Universidad Nacional de La Plata
instacron:UNLP
We present a systematic study of laser cleaning of black paint deposited on both standard and frosted glasses. We performed laser cleaning of black paint layers of different thicknesses in both front- and backside laser irradiation geometries. Using
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2926581c4e2e44f15a01d8a8db70f4f7
http://sedici.unlp.edu.ar/handle/10915/132554
http://sedici.unlp.edu.ar/handle/10915/132554
Publikováno v:
Journal of Modern Optics. 62:403-411
The study of a two-level molecular system with permanent dipole moments (PDM) immersed in a thermal bath and interacting with an electromagnetic field depends on the inclusion of the rotating wave approximation (RWA). A methodology based on cumulant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41f2b337e9492892fdb84b55c1f1f959
https://doi.org/10.1080/09500340.2014.986235
https://doi.org/10.1080/09500340.2014.986235
Publikováno v:
Materials Research Express. 6:105034
BiFeO3 nanoparticles with controlled particle size were synthesized via a facile co-precipitation method. The samples were characterized by X-ray powder diffraction, transmission electron microscopy, atomic force microscopy and UV–vis diffuse refle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b37c1a54df44ecb67e6698ee5b3db02f
https://doi.org/10.1088/2053-1591/ab37bc
https://doi.org/10.1088/2053-1591/ab37bc
Autor:
Diego Jijón, César Costa Vera
Publikováno v:
Optica Pura y Aplicada. 45:475-484
In this work, we present a comparison of analytical substrates made by scratching surfaces of silicon and stainless steel with pencils of different hardness (HB, 4B, and 9B) in terms of analytical performance in quantification of As and Fe in water.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25ada632fd363ea4853a40f6108ebef3
https://doi.org/10.7149/opa.45.4.475
https://doi.org/10.7149/opa.45.4.475