Zobrazeno 1 - 10
of 21
pro vyhledávání: '"R. B. Soares"'
Autor:
R. M. Fonseca, R. A. D. Faria, J. C. da Silva Evangelista, L. H. O. Souza, B. A. Batista, R. B. Soares, V. de Freitas Cunha Lins
Publikováno v:
Chemical and Biochemical Engineering Quarterly, Vol 33, Iss 2, Pp 221-227 (2019)
In the present paper, the corrosion behavior of 1020 carbon steel in commercial gasoline-ethanol blends was investigated. The composition of each gasoline-ethanol blend was evaluated by infrared spectroscopy, and the ethanol content was determined by
Externí odkaz:
https://doaj.org/article/72693117b100449e932693b700491e03
Autor:
Julyne Vivian Guimarães de Carvalho, Airton R. B. Soares, Danuza L. Leão, Adriana N. Reis, Regiane R. Santos, Ana P. R. Rodrigues, Sheyla F. S. Domingues
Publikováno v:
Animals, Vol 13, Iss 17, p 2768 (2023)
Vitrification is essential for successful tissue cryopreservation and biobanking in wild cats. This study aimed to compare different methods of vitrification (Ovarian Tissue Cryosystem—OTC, Straws—STW, and Solid Surface vitrification—SSV) for t
Externí odkaz:
https://doaj.org/article/ec8aa2c678e34b32bd99a132d9d8920c
Publikováno v:
Química Nova, Vol 38, Iss 7, Pp 992-994 (2015)
AbstractA device comprising a lab-made chamber with mechanical stirring and computer-controlled solenoid valves is proposed for the mechanization of liquid-liquid extractions. The performance was demonstrated by the extraction of ethanol from biodies
Externí odkaz:
https://doaj.org/article/9dbc75b6c26745caaaaf9a23b66417c6
Publikováno v:
Journal of Materials Engineering and Performance. 26:4638-4657
The high content of silicon of aluminum casting alloys challenges the tool life of conventional cemented carbide inserts, and polycrystalline diamond (PCD) tools appear as an interesting material to machine these alloys because they improve substanti
Publikováno v:
Procedia CIRP. 58:555-560
This study investigates the influence of cutting parameters on longitudinal turning of high Silicon cast aluminium alloy AlSi9Cu3 using PCD tools with and without chip breaker geometry. In order to build the 3D numerical model, the experimental and p
Autor:
Evelyne Pessoa Soriano, A. C. da S. Barbosa, A. B. L. do Nascimento, C. B. R. B. Soares, A. de F. Caldas Júnior, Aronita Rosenblatt, Jorge Waked, Márcia Maria Vendiciano Barbosa Vasconcelos
Publikováno v:
British Journal of Medicine and Medical Research. 11:1-7
Aims: Evaluating the prevalence of tooth loss, edentulism, prosthetic rehabilitation needs and the use of dental prosthesis as well as determine associations between tooth loss and age, sex, economic classification and race of the population studied.
Publikováno v:
Blucher Physics Proceedings.
Publikováno v:
Advanced Structured Materials ISBN: 9783319507835
Chip control is mandatory for automated turning operations. Machining of cast aluminium alloys with high Silicon content challenges conventional cemented carbide inserts. Polycrystalline diamond (PCD) inserts are alternatives to improve tool lives, e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf9966446a11b52278426425ab978e61
https://doi.org/10.1007/978-3-319-50784-2_25
https://doi.org/10.1007/978-3-319-50784-2_25
Publikováno v:
Analytical Letters. 46:1621-1639
Automotive fuels require strict quality control to assure best energy use with minimal environmental pollution. Fuels can be modified before consumption by inadequate transport, storage, and handling, as well as illegal adulteration. Continuous monit
Autor:
Jorge S. Almeida, Camila J. Andrade, Gisele O. da Rocha, Vitória R. B. Soares, Leonardo S. G. Teixeira, José Domingos S. da Silva, Alailson F. Dantas
Publikováno v:
Química Nova, Vol 36, Iss 6, Pp 880-884 (2013)
Química Nova, Volume: 36, Issue: 6, Pages: 880-884, Published: 2013
Química Nova v.36 n.6 2013
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Volume: 36, Issue: 6, Pages: 880-884, Published: 2013
Química Nova v.36 n.6 2013
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
A sensitive spectrophotometric method was developed for sulphate determination in automotive ethanol fuel. The method based on the reaction of the analyte with barium-dibromosulphonazo(III) complex lead to a decrease in the magnitude of the absorbanc