Results 141 to 150 of about 2,198 (263)

Effects of extreme acceleration, microgravity, and deceleration on Bacillus subtilis onboard a suborbital space flight. [PDF]

NPJ Microgravity
Yang E, Dhanaraj JJ, Tharushi Perera PG, Vilagosh Z, Iles GN, Krämer S, Florin G, Linklater DP, Nguyen THP, Dekiwadia C, Juodkazis S, Croft RJ, Ivanova EP.   +12 more
europepmc   +1 more source

Beyond Manoeuvre Theory for European Defence

Global Policy, EarlyView.
ABSTRACT This article contributes to the debate about European defence in the light of the Russo‐Ukraine war and growing doubts about US commitment to Europe. It argues that Europeans need to fundamentally relearn the ability to imagine military strategy from a European viewpoint.
Lukas Mengelkamp, Sam Vincent
wiley   +1 more source

Meso-Scale Observations of the Evolution of Matrix/Filler Interface Dewetting During NEPE Propellant Aging. [PDF]

Polymers (Basel)
Chen Z, Wang X, Zou Z, Qiang H, Wang M, Wu Y.   +5 more
europepmc   +1 more source

Multiplying Elements of Fragmentation? Polycentrism, the Launcher Crisis and the Future of Europe in Space

Global Policy, EarlyView.
ABSTRACT This article explores the current controversies surrounding the European Ariane launcher and its implications for the future of European space governance. The Ariane program, historically a symbol of European technopolitical integration, faces mounting challenges due to delays, rising costs and increasing competition from private actors like ...
Nina Klimburg‐Witjes, Joseph Popper
wiley   +1 more source

Numerical Simulation of Failure Modes of Solid Propellants with Internal Cavities Under Various Loading Conditions. [PDF]

Polymers (Basel)
Liu K, Yang Q, Cao L, Wang J, Cao P.
europepmc   +1 more source

An Overview of the Rock Art of AlUla: Tracing Changes in Content and Form Across 12,000 Years of Human History

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT Between 2018 and 2021, the Identification and Documentation of Immovable Heritage Assets (IDIHA) Project recorded over 19,000 rock art panels in the AlUla (al‐‘Ulā) region of north‐western Saudi Arabia. This study presents a chronological assessment of the corpus, drawing on superimpositions, datable motifs, inscriptions, and varnish formation,
Maria Guagnin, Laura Morabito, Hannah Leighton, Tahani AlMahmoud   +3 more
wiley   +1 more source

Experimental Study on the Evolution of Mechanical Properties and Their Mechanisms in a HTPB Propellant Under Fatigue Loading. [PDF]

Polymers (Basel)
Feng F, Chen X, Xu J, Zeng Y, Huang W, Dong J.   +5 more
europepmc   +1 more source

Iron Ore Pricing in China: Financialization Through a Marxist Lens

Abacus, EarlyView.
We offer a Marxist interpretation of financialization as we examine the Chinese market for iron ore and the shift in the pricing mechanism from an annual fixed price to an indexed price from 2010. Drawing upon Marx's theory of the circuit of capital, we illustrate an empirical case of financialization that results from the conflict between social ...
Xun Gong, Eagle Zhang, Corinne Cortese
wiley   +1 more source

Near-future rocket launches could slow ozone recovery. [PDF]

NPJ Clim Atmos Sci
Revell LE, Bannister MT, Brown TFM, Sukhodolov T, Vattioni S, Dykema J, Frame DJ, Cater J, Chiodo G, Rozanov E.   +9 more
europepmc   +2 more sources

Solid propellant rocket motors [PDF]

, 2006
openaire   +2 more sources