Zobrazeno 1 - 10
of 10
pro vyhledávání: '"P R G Couto"'
Autor:
V. Souza, Alberto Pires Ordine, I. C. S. Fraga, Monique Audrey Getrouw, P. P. Borges, J. C. Damasceno, P. R. G. Couto
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 49, Iss spe, Pp 79-86 (2006)
pH is an important parameter to control the production of food, medicine, petrochemical products and others. Thus, standard reference materials used to calibrate pH meters are necessary to guarantee reliability of the measurements. The Chemical Metro
Externí odkaz:
https://doaj.org/article/b2214d87235943bca580af0667d2ccca
Autor:
Vanderléa de Souza, Janaína Marques R. Caixeiro, Rafael A. L. da Silva, Leandro R. Pedro, Renata M. H. Borges, Paulo R. G. Couto
Publikováno v:
Brazilian Archives of Biology and Technology, Vol 49, Iss spe, Pp 107-114 (2006)
The present work describes the development of a certified reference material (CRM) composed of solutions of ethanol in water in five different concentrations, and all stages necessary for the development of an CRM, according to the guidelines of ISO
Externí odkaz:
https://doaj.org/article/61ae0fd31b8443d2bf493d802248d2f9
Autor:
J C Torres-Guzman, J Aranzolo-Suarez, F J Flores-Martinez, L de la Cruz, D A Olson, J Forastieri, A Solano, C Neira, P R G Couto, J Palma, S Garcia
Publikováno v:
Metrologia. 59:07011
Main text This report describes the results of a pneumatic pressure standards key comparison among eleven SIM National Metrology Institutes to determine their degree of equivalence in the pressure range from 10 kPa to 120 kPa in gauge mode. The pilot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e32c2a2f46ba7fd87ab489dedd1b6b5
https://doi.org/10.1088/0026-1394/59/1a/07011
https://doi.org/10.1088/0026-1394/59/1a/07011
Autor:
M R Magalhães, J S Oliveira, R S Nazareth, J M Gouveia, W S Silva, P L S Ferreira, M Rosendahl, P R G Couto, M H Farias
Publikováno v:
Journal of Physics: Conference Series. 1044:012053
Reliable pressure measurements are essential in all activities of society and industry. Indeed, the concern with traceability has notably improved and has received considerable interest due to the intensification of international trade, the need for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca15a697455af36dc83f5b8a517e5298
https://doi.org/10.1088/1742-6596/1044/1/012053
https://doi.org/10.1088/1742-6596/1044/1/012053
Autor:
P. R. G. Couto, J. C. Damasceno
Publikováno v:
Journal of Physics: Conference Series. 975:012022
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b4d7a50ecabb1c875077ea4f2139b3a
https://doi.org/10.1088/1742-6596/975/1/012022
https://doi.org/10.1088/1742-6596/975/1/012022
Autor:
Isabel Cristina Serta Fraga, J. C. Damasceno, M A Getrouw, R M H Borges, Paulo Paschoal Borges, P R G Couto, Alberto Pires Ordine
Publikováno v:
Metrologia. 43:306-310
pH is a widely used control parameter for several industrial processes. Thus, its correct determination and uncertainty estimation are extremely important. The Guide to the Expression of Uncertainty in Measurement (ISO-GUM) has been extensively used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ae820290647c0dc7b298df6c0bdb0f3
https://doi.org/10.1088/0026-1394/43/3/014
https://doi.org/10.1088/0026-1394/43/3/014
Autor:
R. M. H. Borges, A. K. Ávila, O. G. F. Rocha, D. S. Vaitsman, M. F. G. Rosias, T. O. Araujo, V. Dias, P. R. G. Couto
Publikováno v:
Accreditation and Quality Assurance. 10:277-282
Today’s and tomorrow’s globalized world requires the acceptance of each other’s capabilities, competence and metrological traceability of measurements to the International System of Units and thus mutual acceptance of quantitative results. Ther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ac040fda914e0c5174cee128ad2dcb6
https://doi.org/10.1007/s00769-005-0937-z
https://doi.org/10.1007/s00769-005-0937-z
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Autor:
A. K. vila, T. O. Araujo, R. M. H. Borges, P. R. G. Couto, M. F. G. Rosias, O. G. F. Rocha, D. S. Vaitsman, V. Dias
Publikováno v:
Accreditation & Quality Assurance; Jun2005, Vol. 10 Issue 6, p277-282, 6p
Autor:
J C Damasceno, P R G Couto
Publikováno v:
Journal of Physics: Conference Series; 2018, Vol. 975 Issue 1, p1-1, 1p