I am marine engineer and Rio de Janeiro is the greatest Brazilian pole of naval construction. In the 80's and 90's, I saw many people of this sector, including friends and colleagues, losing their jobs and many of them changing their professions with the crisis in this sector. This type...
The analysis of the Specific Surface Area (SBET) of the SiTiNb-A and SiTiNb-B materials was determined by using the BET (Brauner, Emmett and Teller) multipoint method on a Quantachrome Model Nova 1200e (Boynton Beach, USA) instrument. The samples were previously activated at 393 K in vac...
, 5 cities, SpaceNet Challenge Asset Library SpaceNet 1: Building Detection v1 (CosmiQ Works, Radiant Solutions, NVIDIA, Jan 2017) Building footprints (Rio de Janeiro), 3/8band Worldview-3 imagery (0.5m res.), SpaceNet Challenge Asset Library...
José Márcio Siqueira Júnior2, Sanair Massafra de Oliveira1, Kelly Leite dos Santos Castro1 & Emerson Schwingel Ribeiro 1* The SiO2/TiO2/Nb2O5 material was set by the sol–gel method and was characterized by several techniques through thermogravimetric, spe...