Zobrazeno 1 - 10
of 33
pro vyhledávání: '"L F S Coelho"'
Autor:
Jéssica Alexandra Pereira, Bruna Moura, Ângela Teles, Catarina Costa, Ana Isabel Magalhães, Sara M. Fernandes, Regina Andreia Torres Malgueiro, João Silva Abreu, Ana Sofia Beça Ribas da Silva, Maria Helena Pereira Vilaça, Marta Carvalho, José Morgado, Rosa Maria, Mário J. Silva, Mónica Sofia Da Fonseca Águas Gonçalves, Mario Monteiro Marques, Albertina Reis, Manuela Pintado, Augusta Marinho, Coutos Dos Santos Ventura Sandra Gabriela, Joaquim Manuel Antunes Salgueiro Gaião, Pedro Faria, Ricardo Jorge Silva, Patrícia Batista, Vera Lúcia Sá, L. F. S. Coelho, Raquel Rosa Ferreira Branco Mourão, Fernando Manuel Barbosa De Oliveira Nogueira Merino, Pedro José Magalhães
Nowadays, the competitiveness of the textile industry and the consumers’ interest have been increasing the demand for innovative and functional textiles. Allied to this, sustainable developments are playing an increasingly important role in the tex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8daf0693a6c47d109cad2e24472a8c1e
http://www.intechopen.com/articles/show/title/innovation-of-textiles-through-natural-by-products-and-wastes
http://www.intechopen.com/articles/show/title/innovation-of-textiles-through-natural-by-products-and-wastes
Autor:
Fabio Zappa, M. M. Sant’Anna, Carlos Renato de Carvalho, N. V. de Castro Faria, Ginette Jalbert, L. F. S. Coelho, B. F. Magnani
Publikováno v:
International Journal of Quantum Chemistry. 111:1836-1842
We present a review of electron detachment cross sections of atomic, molecular, and cluster anionic projectiles colliding with atoms and molecules, the main focus being on reporting systematic experimental studies. These studies use an experimental m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb916637e8b0522c392254803ecde76a
https://doi.org/10.1002/qua.22843
https://doi.org/10.1002/qua.22843
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 577:349-352
We have recently presented destruction cross-section data for negative ions obtained with a technique that uses the gas stripper of a tandem accelerator as the collision target. In this work, we develop an extension of that technique to measure destr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d76800ad90d4f2933ea9d3f3fb1d6ce
https://doi.org/10.1016/j.nima.2007.02.028
https://doi.org/10.1016/j.nima.2007.02.028
Autor:
A. L. F. de Barros, A. Medina, L. F. S. Coelho, Wania Wolff, M. H. P. Martins, Fabio Zappa, E. Bessa, N. V. de Castro Faria, João Alberto Martins Pereira
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 560:219-223
We measured the vapour pressure of several DNA and RNA bases—uracil, adenine, guanine, thymine and cytosine—in the 300–450 K range. In each case the sample mass loss rate was measured as function of temperature with a simple setup consisting of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e768853e5cf4ad87f4e5323102ba7dc6
https://doi.org/10.1016/j.nima.2006.01.026
https://doi.org/10.1016/j.nima.2006.01.026
Autor:
M. M. Sant’Anna, A. C. F. Santos, N. V. de Castro Faria, A. L. F. de Barros, Fabio Zappa, Wania Wolff, L. F. S. Coelho
Publikováno v:
Plasma Physics and Controlled Fusion. 46:1009-1019
Negative-ion beams have recently been suggested as sources of high-energy heavy atoms to be used as drivers for inertial confinement fusion (ICF). Owing to their electron affinities limited to a few eV, anions can be efficiently photo-detached in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b721d03ae39fed6ca6ef0ba281890c09
https://doi.org/10.1088/0741-3335/46/7/001
https://doi.org/10.1088/0741-3335/46/7/001
Autor:
Fabio Zappa, N. V. de Castro Faria, S. D. Magalhães, E. Bessa Filho, H. Luna, L. F. S. Coelho, Ginette Jalbert, J.C Acquadro
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 171:373-378
A simple method is proposed for measuring cross-sections of fast negative atomic and molecular ions colliding with atoms and molecules. The method, applicable to tandem accelerators, uses the stripping process of the negative ions, occurring at the g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47201de57cabe0c82292e3a56178fc3d
https://doi.org/10.1016/s0168-583x(00)00264-0
https://doi.org/10.1016/s0168-583x(00)00264-0
Autor:
Ginette Jalbert, Itamar Borges, L. F. S. Coelho, N. V. de Castro Faria, L. P. G. De Assis, Mario Barbatti
Publikováno v:
Physical Review A. 59:1988-1993
We studied the ${\mathrm{H}}^{\ensuremath{-}}$ production from the dissociation of fast ${\mathrm{HeH}}^{+}$ projectiles, which occurs only through the ${\mathrm{He}}^{2+}+{\mathrm{H}}^{\ensuremath{-}}$ dissociative channel as electron capture is neg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c13314e34a7e58742a2b89658df8201
https://doi.org/10.1103/physreva.59.1988
https://doi.org/10.1103/physreva.59.1988
Publikováno v:
Physics Education. 41:539-541
In this article we describe two simple experiments using an ion accelerator as an aid to the teaching of electromagnetism to high-school students. This is part of a programme developed by a Brazilian State funding agency (FAPERJ) which aims to help s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4cc86fc1941ad87239928d67db211a7
https://doi.org/10.1088/0031-9120/41/6/008
https://doi.org/10.1088/0031-9120/41/6/008
Autor:
A. C. F. Santos, N. V. de Castro Faria, W. Wolf, M. M. Sant’Anna, L. F. S. Coelho, A. L. F. de Barros, Fabio Zappa
Publikováno v:
Journal de Physique IV (Proceedings). 133:757-759
Negative ion beams have been proposed as drivers for inertial confinement fusion (ICF), as high-velocity neutral projectiles produced by photodetachment may efficiently impact and heat up a hydrogen pellet target. Charge-changing cross sections are h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57262ef743f319a89a072cd5616b4e84
https://doi.org/10.1051/jp4:2006133152
https://doi.org/10.1051/jp4:2006133152
Autor:
N. V. de Castro Faria, O.D. Gonçalves, Raul Donangelo, J.C. Acquadro, Neide Gonçalves, Ginette Jalbert, L. F. S. Coelho, H. Luna
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 398:162-166
We developed a method to determine the pressure distribution in the electrode region of electrostatic accelerators. Direct measurement of this distribution is not possible: the electrodes are maintained inside a high pressure vessel and the presence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ef0b465080017f2aa42018422a5f284
https://doi.org/10.1016/s0168-9002(97)00827-9
https://doi.org/10.1016/s0168-9002(97)00827-9