Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Adriano Gonçalves dos Reis"'
Publikováno v:
Revista Ambiente & Água, Vol 17, Iss 1, Pp 1-16 (2022)
M. ole·ifera se·ed hu·sks (H-M·O) w·ere u·sed as adsorbent for the removal of methylene blue (MB) dye from an aqueous solution. The ads·orbent was char·acterized by SE·M, ED·X, X·RD, F·TIR, B·ET, and p·HPZC. To evaluate adsorption capac
Externí odkaz:
https://doaj.org/article/168337fcf9ab4d5cbf36bf2225d98bc3
Autor:
Adriano Bressane, Ana Paula Garcia Goulart, Carrie Peres Melo, Isadora Gurjon Gomes, Anna Isabel Silva Loureiro, Rogério Galante Negri, Rodrigo Moruzzi, Adriano Gonçalves dos Reis, Jorge Kennety Silva Formiga, Gustavo Henrique Ribeiro da Silva, Ricardo Fernandes Thomé
Publikováno v:
Water, Vol 15, Iss 6, p 1126 (2023)
Coagulation is the most sensitive step in drinking water treatment. Underdosing may not yield the required water quality, whereas overdosing may result in higher costs and excess sludge. Traditionally, the coagulant dosage is set based on bath experi
Externí odkaz:
https://doaj.org/article/73ccdcfb89734e918511dcd8503c0ee2
Publikováno v:
Revista Ambiente & Água, Vol 14, Iss 6, Pp 1-9 (2019)
This study evaluated the use of Moringa oleifera (MO) seed as a natural coagulant for the removal of turbidity and apparent color in the water treatment with low initial turbidity through the in-line filtration technique. The morphology and surface c
Externí odkaz:
https://doaj.org/article/d2d4f7d30dca45da8661b818ac15b8aa
Autor:
Marcelo Gabriel de Oliveira, Polyana Alves Radi, Danieli Aparecida Pereira Reis, Adriano Gonçalves dos Reis
Publikováno v:
Materials Research, Vol 24, Iss 5 (2021)
Abstract Titanium and its alloys are widely used as implant materials and many studies to accelerate the osseointegration have been performed. This work aims to evaluate the formation of a bioactive surface in commercially pure titanium (cp-Ti) grade
Externí odkaz:
https://doaj.org/article/d3ee4ec2ebb64821bcda57de646f320b
Autor:
Geane Garcia Chales, Beatriz Siqueira Tihameri, Noala Vicensoto Moreira Milhan, Cristiane Yumi Koga-Ito, Maria Lúcia Pereira Antunes, Adriano Gonçalves dos Reis
Publikováno v:
Water, Vol 14, Iss 13, p 2058 (2022)
This study explored the application of whole and defatted Moringa oleifera seed-derived coagulants in powder (P-MOS and DP-MOS), aqueous extraction (AEP-MOS and AEDP-MOS), and saline extraction (SEP-MOS and SEDP-MOS) in the treatment of a synthetic t
Externí odkaz:
https://doaj.org/article/c14788f58b8c45219d782256ab9f251e
Autor:
Charles Jourdan Alberti, Eduardo Saito, Filipe Estevão de Freitas, Danieli Aparecida Pereira Reis, João Paulo Barros Machado, Adriano Gonçalves dos Reis
Publikováno v:
Materials Research, Vol 22, Iss suppl 1 (2020)
The objective of this study is to evaluate the surface physicochemical properties of Ti6Al4V alloy after etching with a piranha’s solution at temperatures of 25 °C, 40 °C, and 60 °C for 30 min. Scanning electron microscopy with energy-dispersive
Externí odkaz:
https://doaj.org/article/5454275a8a51439ca0e4395d58aec32e
Autor:
Adriano Gonçalves dos Reis, Danieli Aparecida Pereira Reis, Antônio Jorge Abdalla, Antônio Augusto Couto, Jorge Otubo
Publikováno v:
Materials Research, Vol 20, Iss suppl 2, Pp 2-9 (2017)
Plasma nitriding of a solution annealed and aged 300 grade maraging steel was studied aiming to increase the creep resistance. The surface microhardness reached 1,140 HV, producing 50 µm layer composed of ε-Fe3N and γ'-Fe4N nitrides at the uppermo
Externí odkaz:
https://doaj.org/article/b3305d2b10ed4f13b62268ed8e46b835
Autor:
Adriano Gonçalves dos Reis, Danieli Aparecida Pereira Reis, Antônio Jorge Abdalla, Jorge Otubo
Publikováno v:
Tecnologia em Metalurgia, Materiais e Mineração, Vol 11, Iss 1, Pp 22-26 (2014)
Maraging steels are alloys with Ni-Co-Mo-Ti with ultra-high resistance and broad application, with fundamental interest in the aerospace sector due to high mechanical resistance combined with a good fracture toughness. This steel has been proposed
Externí odkaz:
https://doaj.org/article/da5f5610b2654242880c2bdd3c8a6af6
Publikováno v:
Journal of Aerospace Technology and Management, Vol 7, Iss 1 (2015)
The objective of this paper is to analyze the influence of specific laser system parameters on the microstructure of the ring formation process on the hard metal tool’s surface. The parameters analyzed were: working distance, incident beam power an
Externí odkaz:
https://doaj.org/article/3e463e37efd84d7e84f9d2c171539a48
Autor:
Adriano Gonçalves dos Reis
Publikováno v:
Biblioteca Digital de Teses e Dissertações do ITAInstituto Tecnológico de AeronáuticaITA.
O presente trabalho tem como objetivo a avaliação do comportamento mecânico do aço maraging 300 após tratamentos de solubilização, envelhecimento e nitretação por plasma. Foram utilizadas técnicas de microscopia óptica, microscopia eletrô