Results 61 to 70 of about 45,927 (121)

OPTIMIZATION OF THE PROCESS TO OBTAIN GLYCIDYL AZIDE POLYMER. doi: 10.5028/jatm.2009.01012934

Journal of Aerospace Technology and Management, 2011
This paper describes the action and results achieved during the optimization of Glycidyl Azide Polymer (GAP) characterization and process. Under different conditions, three different kinds of catalysts, BF3,
Jairo Sciamareli, Jorge R da Costa, Marta Ferreira K. Takahashi, Koshun Iha, Agda Alvarenga V. Berdugo, Milton F Diniz, Miriam H. Miyano, Carlos Ferreira   +7 more
doaj  

Synthesis, Characterization and Applications of Iron Oxide Nanoparticles - a Short Review

Journal of Aerospace Technology and Management, 2015
Iron oxide is a polymorphous crystalline mineral, including hematite, a-Fe2O3, magnetite, Fe3O4 and maghemite, g-Fe2O3. In the area of solid propulsion, nanoparticulate materials such, hematite and maghemite, exhibit high performance on thermal ...
Eunice Aparecida Campos, Denise Villela Barcza Stockler Pinto, José Irineu Sampaio de Oliveira, Elizabeth da Costa Mattos, Rita de Cássia Lazzarini Dutra   +4 more
doaj  

CHARACTERIZATION OF SURFACE LEVEL WIND IN THE CENTRO DE LANÇAMENTO DE ALCÂNTARA FOR USE IN ROCKET STRUCTURE LOADING AND DISPERSION STUDIES DOI 10.5028/jatm.2012.04014911

Journal of Aerospace Technology and Management, 2012
We present wind data collected for ten days during the dry season in 2008 during the Murici II Campaign, which was carried out in the area of the Centro de Lançamento de Alcântara (CLA).
Edson R Marciotto, Gilberto Fisch, Luiz E Medeiros   +2 more
doaj  

Study of Conservation on Implicit Techniques for Unstructured Finite Volume Navier-Stokes Solvers

Journal of Aerospace Technology and Management, 2014
The work is a study of conservation on linearization techniques of time-marching schemes for the unstructured finite volume Reynolds-averaged Navier-Stokes formulation.
Carlos Junqueira-Junior, Leonardo Costa Scalabrin, Edson Basso, João Luiz F. Azevedo   +3 more
doaj  

STATISTICAL ANALYSIS OF WIND PROFILE IN THE SURFACE LAYER AT THE ALCÂNTARA LAUNCHING CENTER. doi: 10.5028/jatm.2011.03022411

Journal of Aerospace Technology and Management, 2011
Statistical analysis of the wind profile made at an anemometric tower installed at the Alcântara Launching Center was based on wind data (direction and wind speed) collected between 1995 up to 1999, which was carried out at six different levels: 6.0, 10 ...
Carlos Alberto Ferreira Gisler, Gilberto Fisch, Cleber de Souza Correa   +2 more
doaj  

Observational Study of the Surface Layer at an Ocean–Land Transition Region

Journal of Aerospace Technology and Management, 2013
http://dx.doi.org/10.5028/jatm.v5i4.244 High-frequency measurements of wind, and temperature were made during the dry season of 2008 to study the development of an internal boundary layer at the main Brazilian space launching centre, Centro de ...
Luiz Eduardo Medeiros, Roberto de Oliveira Magnago, Gilberto Fisch, Edson Roberto Marciotto   +3 more
doaj  

Infrared Spectroscopy Applied to Materials Used as Thermal Insulation and Coatings

Journal of Aerospace Technology and Management, 2013
http://dx.doi.org/10.5028/jatm.v5i4.265 It is very important to control the characteristics of a polymer used in rubber compositions and paints in aerospace applications.
Natália Beck Sanches, Ricardo Pedro, Milton Faria Diniz, Elizabeth da Costa Mattos, Silvana Navarro Cassu, Rita de Cássia Lazzarini Dutra   +5 more
doaj  

[Spread and persistence of chikungunya in the Brazilian Northeast (2015-2023): A spatiotemporal analysisAnálisis espaciotemporal de la expansión y la persistencia del chikunguña en el noreste de Brasil (2015-2023)]. [PDF]

Rev Panam Salud Publica
de Lima SS, Cabral Silva APS, Luna CF, de Souza WV, Braga C.   +4 more
europepmc   +1 more source

Optimizing the Production of a Condensed Tannin-Based Bioflocculant for Toxic Metal Remediation. [PDF]

ACS Omega
Ferreira SRL, Araújo JL, de Souza CMM, de Souza CGDS, Faial KRF, da Silva NC, Muto NA.   +6 more
europepmc   +1 more source

VALIDATION OF AN OPTICAL METHOD FOR MEASURING THE GAP BETWEEN SUTURED TENDON STUMPS. [PDF]

Acta Ortop Bras
Sorrenti L, Yoshida EK, de Sousa AI, Pereira CAM, Nakamoto HA, Mattar R.   +5 more
europepmc   +1 more source