Results 31 to 40 of about 819,228 (331)

Polo naval e offshore de Rio Grande: da formação ao princípio da decadência

Geosul, 2019
A formação do Polo Naval Offshore de Rio Grande envolve um conjunto de processos, políticos econômicos e sociais. A elaboração de programas de expansão da frota de apoio às operações da Petrobras foi fundamental para o lançamento das políticas nacionais
Ricardo Borges da Cunha, Aldomar Arnoldo Rückert   +1 more
doaj   +1 more source

Neural Models of Normal and Abnormal Behavior: What Do Schizophrenia, Parkinsonism, Attention Deficit Disorder, and Depression Have in Common? [PDF]

, 1998
Defense Advanced Research Projects Agency and Office of Naval Research (N00014-95-1-0409); National Science Foundation (IRI-97 ...
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core   +2 more sources

Tribological Performance of 60NiTi Alloy Under Varying Contact Conditions and Elevated Temperatures in Linear Reciprocating Sliding

Advanced Engineering Materials, EarlyView.
This study investigates the tribological response of 60NiTi alloy under dry, water‐lubricated and high‐temperature conditions. The alloy exhibits decreasing wear volume and friction with increasing temperature due to the formation of protective oxide layers. The work clarifies dominant wear mechanisms and demonstrates the suitability of 60NiTi for high‐
Anthony Onyebuchi Okoani, Miguel Angel Selles, Maziar Ramezani   +2 more
wiley   +1 more source

A Short Review of U. S. Naval Ship Concept Design Technology Development Features

Naše More (Dubrovnik), 2017
In present study, a history analysis and review of last 30 years for U.S. naval ship concept design development trend is proposed. Based on the development of naval ship concept design model history, the three features of development process are further ...
Hao Wang, Da-ming Pei, Lin Gan, Rong-zhi Chen, Zhan Li   +4 more
doaj   +1 more source

A Neural Model of How the Cortical Subplate Coordinates the Laminar Development of Orientation and Ocular Dominance Maps [PDF]

, 2002
Air Force Office of Scientific Research (F49620-98-1-0108, F49620-0 1-1-0397); Defense Advanced Research Projects Agency and the Office of Naval Research (N00014-95-1-0409); National Science Foundation (IIS-97-20333); Office of Naval Research (N00014-01 ...
Grossberg, Stephen, Seitz, Aaron
core   +1 more source

Sol–Gel Derived Polymer Precursors for Stereolithography of ZrC

Advanced Engineering Materials, EarlyView.
ZrC is a critical material target for extreme temperature conditions. This report describes a protocol for preparing ZrC ceramics via stereolithography and examines the impact of the polymer matrix on carbothermal reduction and mechanical stability of 3D printed ZrC.
Charles J. Rafalko, Evelyn Wang, Michael A. Hickner   +2 more
wiley   +1 more source

Digital Actuation Control of Soft Robotic Origami With Self‐Folding Liquid Crystal Elastomer Hinges

Advanced Functional Materials, EarlyView.
Self‐folding soft‐rigid hybrid robotic origami is enabled by liquid crystal elastomer actuators with embedded Joule heating and closed‐loop digital control. Digitally addressable hinges provide reversible and programmable transitions between distinct folded states while maintaining actuation performance at high cycle counts (over 1500).
David C. Bershadsky, Tuo Zhao, Glaucio H. Paulino, Emily C. Davidson   +3 more
wiley   +1 more source

COVID 19 ‒ POTENTIAL IMPACT ON THE NAVAL POWER PROJECTION

Bulletin of "Carol I" National Defense University, 2021
The naval power projection has the role of protecting the maritime interests of a country, of transmitting strong messages to both allies and enemies, of shaping the security environment so as to avoid the escalation of conflicts in a particular ...
Valentin-Marian TOMA
doaj  

Investigation of Corrosion of A and E36 Naval Steels Using Potentiodynamic Polarization and Modified Prohesion Test

International Journal of Electrochemical Science, 2021
Our research paper aims to investigate the effects of 0.4% ammonium sulphate and 0.05% sodium chloride mixture solution (Prohesion test) on the corrosion behavior of A and E36 naval steels tested at the room temperature. The corrosion investigations have
Buruiana Daniela Laura, Herbei Elena Emanuela, Ceoromila Alina Mihaela, Busila Mariana, Trus Constantin, Bogatu Nicoleta (Simionescu), Ghisman Viorica   +6 more
doaj   +1 more source

Navy Nexus [PDF]

, 2014
Shortly after the article that follows was drafted, I was notified that I had been nominated for promotion to vice admiral and assignment as Superintendent of the U.S. Naval Academy.
Carter, Walter E. Ted, Jackson, John E.
core   +1 more source