Results 41 to 50 of about 598,582 (309)
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 +2 more
wiley +1 more source
Osmanlı Donanması’nda Kömür Kullanımına Genel Bir Bakış (1781-1850)
History StudiesDuring the period when shipbuilding technology was based on wood, charcoal was used extensively as a heat source in the production of the iron parts of the ships.
Burak Kocaoğlu
doaj +1 more source
Ler História, 2010 Based on research of press and bibliographic files, here is a presentation of a summary of action of Portuguese Navy during the parliamentary Republic (1910-26), extending to the last years of the Monarchy and the early days of the Dictatorship.
João Freire
doaj +1 more source
The First Encounter: Fighting for Naval Supremacy on Lake Ontario, 7–10 August 1813 [PDF]
, 2012 To upgrade the fighting ability of the Provincial Marine, the Royal Navy sent one of their best young commodores along with 465 officers and ratings to operate the ships of the Lake Ontario squadron.
Williamson, Robert James
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 +2 more
wiley +1 more source
ARCTIC «UPGRADE» OF V. V. PUTIN, PRESIDENT OF THE RUSSIAN FEDERATION
Проблемы постсоветского пространства, 2017 After establishment of the Soviet power the Arctic for seven decades had been in the focus of attention accomplishing the heroic, repressive, “educational”, economic, political and ideological functions.
I. S. Zonn
doaj +1 more source
On the High Seas Near the Horn of Africa, a 21st Century Pirate Tale [PDF]
, 2012 Famed Maersk Alabama Captain Richard Phillips recounts his April 2009 encounter with Somali pirates and his rescue by U.S.
Clark, Brian E.
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Advanced Functional Materials, EarlyView.Trap state engineering in inverted organic photodetectors (OPDs) is achieved via combined layer‐by‐layer (LbL) processing and poly(N‐vinylcarbazole) (PVK) incorporation. LbL reduces the trap density while PVK additives gradually shift trap states from shallow band‐edge to deep mid‐gap levels, tailoring the energy distribution.
Jingwei Yi +10 more
wiley +1 more source
Íconos, 2020 Defending Amazonia is one of the main priorities of the Brazilian Armed Forces. Since the 1980’s and 1990’s national policies for this region have been subject to increasing pressures, both domestic and external.
Dilceu Roberto Pivatto Junior +1 more
doaj +1 more source
Confederate Navy Medicine [PDF]
Military Medicine, 1999 The Confederate Navy's Office of Medicine and Surgery was a small organization within the Confederate Navy Department. The physicians, surgeon's stewards, and nurses provided medical care to sick and injured sailors from both sides of the conflict.
openaire +2 more sources