Results 111 to 120 of about 57,199 (210)

A Generalized Approach to Solving Deep Learning‐Based Quantitative Susceptibility Mapping and Quantitative Blood Oxygen Level Dependent Magnitude (QSM + qBOLD or QQ) for Oxygen Extraction Fraction (OEF) Mapping Across Diverse Acquisition Schemes

Magnetic Resonance in Medicine, Volume 96, Issue 6, Page 2812-2821, December 2026.
ABSTRACT Purpose QQ, a recently proposed oxygen extraction fraction (OEF) mapping technique combining quantitative susceptibility mapping (QSM) and quantitative blood oxygen level‐dependent (qBOLD) (QSM + qBOLD = QQ), generates OEF maps noninvasively from a single routine MRI sequence, without requiring vascular challenges used in other OEF approaches.
Tian Qiu, Ada Ally, Arpita Misra, Gloria C. Chiang, Thanh D. Nguyen, Susan A. Gauthier, Shun Zhang, Yi Wang, Junghun Cho   +8 more
wiley   +1 more source

Isochronous Cyclotron Data Base Description

, 2004
The relational data base of the control parameter of the isochronous cyclotron, Isochronous Cyclotron Data Base (ICDB), is described. The relational data base under consideration, written in Transact SQL for the MS SQL Server 2000 with the use of MS ...
Vorojtsov, S B, Kijan, I N, Tarashkevich, R   +2 more
core  

Recovery of Laughlin correlations with cyclotron braids

, 2010
Cyclotron braid subgroups are defined in order to identify the topological origin of Laughlin correlations in 2D Hall systems. Flux tubes and vortices for composite fermion constructions are explained in terms of cyclotron braids.
J. Jacak, L. Jacak
core   +1 more source

Free‐Breathing Hepatic Oxygen Extraction Fraction (OEF) Mapping Using Radial GESSE

Magnetic Resonance in Medicine, Volume 96, Issue 6, Page 2840-2847, December 2026.
ABSTRACT Purpose Noninvasive assessment of hepatic oxygenation is relevant for evaluating liver both in acute and long‐term liver pathologies. However, existing methods are limited to single‐slice acquisitions and require breath‐holding. This study aims to develop and evaluate a motion‐robust technique for whole‐liver oxygen extraction fraction (OEF ...
Ke Zhang, Simon M. F. Triphan, Felix T. Kurz, Congcong Fu, Na Zhang, Christian H. Ziener, Mark E. Ladd, Heinz‐Peter Schlemmer, Hans‐Ulrich Kauczor, Oliver Sedlaczek   +9 more
wiley   +1 more source

Cyclotron waves in plasma

, 2013
Cyclotron Waves in Plasma is a four-chapter text that covers the basic physical concepts of the theory of cyclotron waves and cyclotron instabilities, brought about by the existence of steady or alternating plasma currents flowing perpendicular to the ...
Hamberger, S M, Lominadze, D G
core  

A Field Guide to Corralling the Chaos: A Planning Framework for Using Models to Guide Opportunistic Field Studies of Natural Disturbances

Perspectives of Earth and Space Scientists, Volume 7, Issue 1, December 2026.
Abstract Watersheds regulate biogeochemical processes and provide ecosystem services to human societies, but disturbances can fundamentally alter these processes across space and time. Determining when and where to sample to capture disturbance impacts in watersheds remains a central challenge.
Peter Regier, James C. Stegen, Sundar Niroula, Brieanne Forbes, Amy E. Goldman, Nicholas D. Ward, Jake Cavaiani, Lupita Renteria, Xingyuan Chen, Allison N. Myers‐Pigg   +9 more
wiley   +1 more source

Benchmarking of electron cyclotron heating and current drive codes on ITER scenarios within the European Integrated Tokamak Modelling framework

, 2012
Electron cyclotron resonance heating (ECRH) and electron cyclotron current drive (ECCD) are used to heat the plasma, to tailor the current profiles and to achieve different operating regimes of tokamak plasmas. Plasmas with ECRH/ECCD are characterized by
Poli, E., ITM-TF contributors, Peysson, Y., E. Poli, L. Figini, N. B. Marushchenko, Decker J., Figini, L., Marushchenko N. B., Westerhof, E., Peysson Y., Decker, J., Marushchenko, N., E. Westerhof, Marushchenko, N. B., D. Farina, Poli E., Farina D., Farina, D., Figini L., Y. Peysson, J. Decker, Westerhof E., Decker J, Figini L, Poli E, Marushchenko N B, ITMTF contributors, Westerhof E, Peysson Y, Farina D   +30 more
core   +1 more source

Nightside Auroral Arcs Near the Electron Isotropy Boundary: TRACERS–THEMIS–MetOp Observations

Geophysical Research Letters, Volume 53, Issue 21, 16 November 2026.
Abstract Particle precipitation is the ultimate driver of aurorae. Monoenergetic (∼keV) electrons accelerated above the ionosphere produce discrete auroral forms and are associated with field‐aligned currents that govern magnetosphere–ionosphere (MI) coupling.
S. R. Kamaletdinov, A. V. Artemyev, X.‐J. Zhang, J. S. Halekas, S. Henderson, V. Angelopoulos   +5 more
wiley   +1 more source

Cyclotron Laboratory Annual Report, July 1, 1973-July 1, 1974

, 1974
Our annual report this year is again a composite document, covering all nuclear programs of the MSU Cyclotron Laboratory and submitted to all of the agencies which support programs in the ...

core  

End‐to‐end film‐based characterization of gated delivery latencies in a spot‐scanned synchrotron‐based proton therapy system

Journal of Applied Clinical Medical Physics, Volume 27, Issue 11, November 2026.
Abstract Background Temporal mismatches between gating signals and beam activation—beam‐on and beam‐off latencies—in gated particle beam therapy can compromise dose integrity. Yet standardized measurement techniques are lacking, and system‐specific characterization, particularly for synchrotron‐based proton systems, remains limited.
Z. S. Stottler, J. J. Kruse, A. J. Deisher   +2 more
wiley   +1 more source