Results 21 to 30 of about 881 (90)

Metakaolin‐based geopolymer mineral particulate composite design for higher strength and thermal stability

International Journal of Applied Ceramic Technology, EarlyView.
Abstract This research targets to produce new composites from a highly reactive metakaolin‐based geopolymer matrix reinforced with natural particles for use in sustainable ceramics, building and construction. Commercial waterglass and added mineral particles were optimized for geopolymer composites to provide higher strength, stability, and durability.
Ruy A. Sa Ribeiro, Marilene G. Sa Ribeiro, Devon M. Samuel, Ali Ozer, Prapassorn Numkiatsakul, Waltraud M. Kriven   +5 more
wiley   +1 more source

Effect of MgO and Al2O3 precursors on 3D‐printed cordierite lattice structures by a novel emulsion‐based PDC route

Journal of the American Ceramic Society, EarlyView.
Development of cordierite lattice structures from DIW of silicone‐based emulsions, in multiple forms (aqueous phase as suspension of oxide nanoparticles, as solution of Mg and Al salts, or as solution/suspension). Abstract The development of advanced ceramic materials with tailored microstructures is essential for meeting the demands of many high ...
Valeria Diamanti, Hamada Elsayed, Tobias Fey, Enrico Bernardo   +3 more
wiley   +1 more source

Raising a claim for (animal) justice: The end(s) of socio‐legal and critical legal studies

Journal of Law and Society, EarlyView.
Abstract This short essay follows an invitation from this journal to reflect on the relation between socio‐legal and critical legal studies over the past 50 years, a period during which the Journal of Law and Society has been one of the primary conduits for scholarship of both persuasions.
STEWART MOTHA
wiley   +1 more source

Biocentric Work in the Anthropocene: How Actors Regenerate Degenerated Natural Commons

Journal of Management Studies, EarlyView.
Abstract As natural commons vital to selves, organizations, and institutions collapse under cumulative anthropogenic pressures, can human agency still reverse some of the damage already done? This article explores how emerging forms of social symbolic work regenerate degenerated natural commons.
Laura Albareda, Oana Branzei
wiley   +1 more source

Insights on the volcanic and impact histories of the lunar nearside from the petrology, geochemistry, and geochronology of the Calcalong Creek lunar regolith breccia meteorite

Meteoritics &Planetary Science, Volume 60, Issue 3, Page 392-421, March 2025.
Abstract The Calcalong Creek lunar meteorite is a regolith breccia with a lithologically diverse array of clasts set in a glassy, highly vesicular matrix. Here, we present a comprehensive new analysis of the meteorite. Comparisons to remote sensing data, lunar sample lithologies, and lunar sample ages indicate that it was likely sourced from regolith ...
B. H. Oliveira, J. F. Snape, R. Tartèse, J. F. Pernet‐Fisher, D. van Acken, M. J. Whitehouse, K. H. Joy   +6 more
wiley   +1 more source

The solar system Fe/Mg ratio

Meteoritics &Planetary Science, Volume 60, Issue 3, Page 529-543, March 2025.
Abstract Solar wind Fe and Mg fluences (atoms/cm2) were measured from Genesis collectors. Fe and Mg have similar first ionization potentials and solar wind Fe/Mg should equal the solar ratio. Solar wind Fe/Mg is a more valid measure of solar composition than CI chondrites and can be measured more accurately than spectroscopic photospheric abundances ...
D. S. Burnett, A. J. G. Jurewicz, D. S. Woolum, Y. Guan, V. S. Heber, R. Hervig, M. Humayun, K. D. McKeegan, L. R. Nittler, C. T. Olinger, D. B. Reisenfeld, J. Wang   +11 more
wiley   +1 more source

Mid‐infrared detection and characterization of refractory inclusions in CM and CO chondrites: A non‐destructive approach for returned space samples

Meteoritics &Planetary Science, Volume 60, Issue 3, Page 544-569, March 2025.
Abstract Refractory inclusions (RIs) in chondrites are widely used as tracers of early solar system formation conditions. In the context of sample‐return missions, a non‐destructive and non‐invasive analytical tool that can rapidly detect and characterize RIs in space samples during their early phase of study is highly needed.
Jean Charlier, Alice Aléon‐Toppani, Rosario Brunetto, Jérôme Aléon, Ferenc Borondics   +4 more
wiley   +1 more source

Magnesium phosphate in the Cold Bokkeveld (CM2) carbonaceous chondrite

Meteoritics &Planetary Science, EarlyView.
Abstract Hydrous Mg‐phosphate was first described from astromaterials in particles returned from the C‐type asteroid Ryugu, and has subsequently been found in samples of the B‐type asteroid Bennu and CI1 carbonaceous chondrites. This phase may have been highly significant as a source of bioessential compounds for early Earth.
Martin R. Lee, Tobias Salge, Ian Maclaren   +2 more
wiley   +1 more source

Wildfire‐Driven Changes in Terrestrial Subsidies Shift Freshwater Microbial and Zooplankton Communities to New Compositional States

Molecular Ecology, EarlyView.
ABSTRACT Wildfire frequency and intensity are increasing globally, impacting terrestrial and aquatic ecosystems. Deposition of burned materials into aquatic environments can affect biotic communities and nutrient cycling. We investigated how post‐fire terrestrial deposition shapes microbial and zooplankton community composition and function across time
Margaret Y. Demmel, Christopher B. Wall, Cody J. Spiegel, Natalia Erazo, Evelyn M. Diaz, Madeline G. Perreault, Elisabet Perez‐Coronel, Sara L. Jackrel, Jeff S. Bowman, Jonathan B. Shurin   +9 more
wiley   +1 more source

Heavy‐duty conceptual engineering

Noûs, EarlyView.
Abstract Conceptual engineering is the process of assessing and improving our conceptual repertoire. Some authors have claimed that introducing or revising concepts through conceptual engineering can go as far as expanding the realm of thinkable thoughts and thus enable us to form beliefs, hypotheses, wishes, or desires that we are currently unable to ...
Steffen Koch, Jakob Ohlhorst
wiley   +1 more source