态度暖昧
发表于 2025-3-26 21:45:10
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Exuberance
发表于 2025-3-27 01:49:33
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confederacy
发表于 2025-3-27 07:09:52
A Perspective into Ultra High Field MRI RF Coils,her operational frequencies. More powerful magnets bring the promise of enhanced signal to noise ratio resulting in exquisite resolution, and reduced scan times. At the same time, however, operating MRI at higher frequencies adds significant physical and engineering complexities to the MRI experimen
insipid
发表于 2025-3-27 09:58:30
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evaculate
发表于 2025-3-27 14:39:54
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Cardiac-Output
发表于 2025-3-27 20:32:22
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使绝缘
发表于 2025-3-27 21:55:32
High-Resolution and Microscopic Imaging at High Field,iven by a long tradition of microscopy in conventional anatomy. Centuries of anatomical studies have underscored the success with which the study of function and dysfunction can be complemented by the study of normal and pathological structure. Since relevant structures in the body span spatial scal
EWE
发表于 2025-3-28 03:47:32
In-Vivo NMR Spectroscopy of the Brain at High Fields,automatically result in obvious improvements. Among the factors that are set to impede the improvements in sensitivity for in-vivo NMR spectroscopy are the increased challenges in eliminating the macroscopic inhomogeneities caused by mainly the air- tissue interface and increased RF power requiremen
闹剧
发表于 2025-3-28 09:18:11
Clinical Promise: Clinical Imaging at Ultra High Field,imaging at ultra high field (7, 8, and 9.4 Tesla) offers an unprecedented resolution for anatomical imaging that approaches in-vivo microscopy. Results from healthy volunteers and from stroke and tumor studies have demonstrated that high field MRI can visualize microvasculature, details of pathologi
现晕光
发表于 2025-3-28 13:55:02
Book 2006volume instruments was a goal, but the way there was unclear. The practical success of large superconducting magnets was a surprise, and the astonishment continued as they developed fields from 0. 3 T to 0. 6 T to 1. 5 T, and even more, up to the now common 3T systems, and a few 4T machines, and now