Zobrazeno 1 - 10
of 141
pro vyhledávání: '"A. Joukoski"'
Publikováno v:
Cerâmica, Vol 58, Iss 347, Pp 374-380 (2012)
Guaricana hydroelectric power plant concrete dam, located in the South of Brazil, was investigated after 49 years of operation. A part of the mortar was altered to ettringite, and other by-products. The inner defects in the fracture and polished samp
Externí odkaz:
https://doaj.org/article/9d9ccd213afd444dae4a3ee66ca00293
Autor:
Galvão, José Carlos Alves, Portella, Kleber Franke, Joukoski, Alex, Mendes, Roberto, Ferreira, Elizeu Santos
Publikováno v:
In Construction and Building Materials 2011 25(2):1049-1055
Autor:
Kleber Franke Portella, Alex Joukoski, Ariel Scheffer da Silva, Nicole Machuca Brassac, Carlos Eduardo Belz
Publikováno v:
Química Nova, Vol 32, Iss 4, Pp 1047-1051 (2009)
Last decade Brazilian rivers experimented progressive biofouling of Limnoperna fortunei communities and Cordylophora caspia hydroids. The microhabitat is so favorable that in around 1.5 years L. fortunei increased from 0.39 to nearby 149,000 units/m
Externí odkaz:
https://doaj.org/article/ccd7c72bcb8649d98af2f49f78ce14a2
Autor:
Camila Freitas, José Carlos Alves Galvão, Kleber Franke Portella, Alex Joukoski, Carlos Vicente Gomes Filho, Elizeu Santos Ferreira
Publikováno v:
Química Nova, Vol 32, Iss 4, Pp 913-918 (2009)
Physicochemical and mechanical techniques were carried out to characterize three concrete tyre-rubber waste dosages such as 5, 10 and 15%, w/w. The elastomeric material was identified as styrene-butadiene rubber (SBR). It was observed that the growin
Externí odkaz:
https://doaj.org/article/7b8a0da7847d45039020049c57b46516
Publikováno v:
Cerâmica, Vol 52, Iss 323, Pp 155-167 (2006)
O uso de entulhos, entre outros rejeitos industriais e domésticos, pela construção civil vem sendo prática comum em diversos países desenvolvidos, em razão tanto do aumento da quantidade de rejeitos e conseqüente esgotamento de espaços apropr
Externí odkaz:
https://doaj.org/article/288fbb50901e4a22aba30d9ce54f0a77
Autor:
Kleber Franke Portella, Carlos Mario Garcia, Giseli Ribeiro Vergés, Alex Joukoski, Karla Regina Rattmann Freire, Alcyr de Pinho Corrêa
Publikováno v:
Química Nova, Vol 29, Iss 4, Pp 724-734 (2006)
The influence of natural aging furthered by atmospheric corrosion of parts of electric transformers and materials, as well as of concrete poles and cross arms containing corrosion inhibitors was evaluated in Manaus. Results for painted materials, it
Externí odkaz:
https://doaj.org/article/a79916a070fe46e3ac28946c4bcd420f
Autor:
Cinthya Hoppen, Kleber F. Portella, Alex Joukoski, Eduardo M. Trindade, Cléverson V. Andreóli
Publikováno v:
Química Nova, Vol 29, Iss 1, Pp 79-84 (2006)
Externí odkaz:
https://doaj.org/article/729bcd5c6f104887abc96e61079097a7
Autor:
C. Hoppen, K. F. Portella, A. Joukoski, O. Baron, R. Franck, A. Sales, C. V. Andreoli, V. A. Paulon
Publikováno v:
Cerâmica, Vol 51, Iss 318, Pp 85-95 (2005)
O crescimento da demanda por água potável tem implicado em um aumento da quantidade de resíduos nas estações de tratamento de água (ETA). Apesar destes terem sido gerados por processo erosivo do solo nos mananciais que antecedem as ETAs, o trat
Externí odkaz:
https://doaj.org/article/f2a2c114c72142e0ad4f9ae0b86a0ebe
Publikováno v:
Cerâmica, Vol 50, Iss 313, Pp 12-20 (2004)
Reinforced concrete structures installed in coastal zones have constantly been threatened by environmental damaging elements. The chloride ion is known as one of the most aggressive of these elements, causing, among other damages, corrosion of the st
Externí odkaz:
https://doaj.org/article/785089b973db4be5bf7b59cb4ac0c5c5
Autor:
Priscilla Emmanuelle-Machado, Leonardo B Koerich, Daiene De Boni Joukoski, Carlos J Carvalho-Pinto, Edmundo C Grisard, Mário Steindel
Publikováno v:
Memorias do Instituto Oswaldo Cruz, Vol 97, Iss 4, Pp 583-587 (2002)
The life cycle of Triatoma klugi Carcavallo, Jurberg, Lent & Galvão 2001 was compared under laboratory conditions using two groups of the F1 generation obtained from field-collected bugs. Among the 100 nymphs weekly fed on mice (Group A) or chicken
Externí odkaz:
https://doaj.org/article/f9733bfd2a244a0d831a8c30e7c4b130