Results 171 to 180 of about 3,445,936 (293)

A Novel MR Elastography Device for Preclinical Applications From Spheroids to Rodents: Design, Validation, and Performance Evaluation

open access: yesNMR in Biomedicine, Volume 39, Issue 11, November 2026.
MR elastography (MRE) noninvasively assesses tissue biomechanics, but preclinical research suffers from diverse hardware solutions, hindering reproducibility and comparability. This study introduces a versatile preclinical MRE device for imaging rodents, ex vivo samples, and spheroids/organoids.
Gabrielle Mangin   +14 more
wiley   +1 more source

Recent Advances in Biogas Production and Upgrading Technologies for Sustainable Energy Systems

open access: yesGCB Bioenergy, Volume 18, Issue 11, November 2026.
Biogas technology is evolving from waste treatment into an intelligent renewable energy platform. Recent advances in anaerobic digestion, pretreatment, reactor design, biomethane upgrading, and AI‐driven process control improve methane recovery, stability, and gas purity.
Temechew Dessie   +2 more
wiley   +1 more source

Free Piston Gas Turbine

open access: yesJournal of the Fuel Society of Japan, 1965
openaire   +2 more sources

Characteristics of Free-Piston Shock Tunnel HIEST. 1st Report. Tuned Operation of Free-Piston Driver.

open access: yesTRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B, 2002
ITOH, Katsuhiro   +5 more
openaire   +2 more sources

Investigating Postseismic Creep in the Laboratory: Testing Dislocation‐Based Models for Transient Creep in the Upper Mantle

open access: yesGeophysical Research Letters, Volume 53, Issue 20, 28 October 2026.
Abstract Studies of postseismic creep often infer a strong reduction in upper‐mantle viscosity after large earthquakes, yet the microphysical mechanism responsible for this behavior remains subject of debate. Here, we present new gas‐medium apparatus experiments at 1100–1200°C on pre‐dried, annealed Åheim dunite (grain size of 400 μ ${\upmu }$m ...
D. Hein, L. N. Hansen, A. Dillman
wiley   +1 more source

Linear Viscoelastic Behavior of n‐Alkane Diluted Polyethylene Melts: Sorption, Desorption, and Oscillatory Rheometry

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 39, October 15, 2026.
This study systematically maps polyolefin dilution dynamics using a homologous series of n‐alkanes. Integrating gravimetric sorption, subsequent controlled desorption, and oscillatory rheometry establishes a precise framework to analyze reduction in viscosity at least for polymer diluent mixtures with polymer concentration > 35% and diluent ...
Ernst Georg Viehböck   +6 more
wiley   +1 more source

Model free piston Stirling engine

open access: yesThe Proceedings of the Symposium on Stirlling Cycle, 2003
Shoichi YOSHIHARA, Takeshi HOSHINO
openaire   +2 more sources

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