نتایج جستجو برای: remnant magnetization

تعداد نتایج: 29052  

Journal: :Folia Morphologica 2015

2015
S Davis J A. Borchers B B. Maranville Shireen Adenwalla S. Davis J. A. Borchers B. B. Maranville

Fast strain wave induced magnetization changes in long cobalt bars: Domain motion versus coherent rotation" (2015). A high frequency (88 MHz) traveling strain wave on a piezoelectric substrate is shown to change the magnetization direction in 40 lm wide Co bars with an aspect ratio of 10 3. The rapidly alternating strain wave rotates the magnetization away from the long axis into the short axis...

2005
WILLIAM S. KEETON JERRY F. FRANKLIN

Biological legacies left by natural disturbances provide ecological functions throughout forest stand development, but their influences on processes of ecological succession are not completely understood. We investigated the successional role of one type of biological legacy: remnant old-growth trees persisting in mature Pseudotsuga menziesii (Douglas-fir) forests in the U.S. Pacific Northwest....

Journal: :Circulation 1999
K Kugiyama H Doi K Takazoe H Kawano H Soejima Y Mizuno R Tsunoda T Sakamoto T Nakano K Nakajima H Ogawa S Sugiyama M Yoshimura H Yasue

BACKGROUND Remnant lipoproteins are atherogenic, but assays of remnants have not been available in routine clinical laboratories because of the lack of practical and validated methods. A simple and reliable method for such an assay, using an immunochemical approach, has recently been developed. This study prospectively examined whether remnant lipoprotein levels in fasting serum, measured by ou...

2009
Chun-Guang Zhang

The young composite supernova remnant (SNR) Kesteven 75, with a pulsar wind nebula at its center, has an unusual morphology with a bright southern half-shell structure in multiwavelengths. The distance to Kes 75 has long been uncertain. Aiming to address these issues, we have made millimeter spectroscopic observations of the molecular gas toward the remnant. The VLSR ∼ 83– 96 km s molecular clo...

2008
Chun-Guang Zhang

The young composite supernova remnant (SNR) Kesteven 75, with a pulsar wind nebula at its center, has an unusual morphology with a bright southern half-shell structure in multiwavelengths. The distance to Kes 75 has long been uncertain. Aiming to address these issues, we have made millimeter spectroscopic observations of the molecular gas toward the remnant. The VLSR ∼ 83– 96 km s molecular clo...

Journal: :AJNR. American journal of neuroradiology 2013
M Mascalchi A Ginestroni V Bessi N Toschi S Padiglioni S Ciulli C Tessa M Giannelli L Bracco S Diciotti

BACKGROUND AND PURPOSE Manually drawn VOI-based analysis shows a decrease in magnetization transfer ratio in the hippocampus of patients with Alzheimer disease. We investigated with whole-brain voxelwise analysis the regional changes of the magnetization transfer ratio in patients with mild Alzheimer disease and patients with amnestic mild cognitive impairment. MATERIALS AND METHODS Twenty pa...

2017
D. R. WATTS

The Serpent Mound structure is a deeply eroded ancient impact in south central Ohio, about 8.0 km across. The age of the structure is poorly constrained by the geology. It post-dates the Lower Mississippian (ca.330 Ma) Cuyahoga Formation and predates Illinoisian glacial deposits. We analyzed the directions of magnetization of 60 rock samples taken from borehole cores drilled within and in the v...

2001
Y. R. Uhm S. H. Lim

Computer simulation in a single domain multilayer model is used to investigate magnetization flop in magnetic tunnel junctions, exchange-biased by pinned synthetic antiferromagnets with the multilayer structure NiFe/AlOx/Co/Ru/Co/ FeMn. The resistance to magnetization flop increases with decreasing cell size due to increased shape anisotropy and hence increased coercivity of the Co layers in th...

Journal: :Publications of the Astronomical Society of Japan 2020

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