نتایج جستجو برای: radiofrequency field
تعداد نتایج: 803430 فیلتر نتایج به سال:
Magnetic orientation of garden warblers ( Sylvia borin ) under 1.4 MHz radiofrequency magnetic field
Starting from a degenerate Bose gas in hybrid trap combining magnetic quadrupole and an attractive optical resulting focused laser beam, we demonstrate the efficient loading of this quantum into shell-shaped trap. The shell is purely relies on adiabatic potentials for atoms inhomogeneous field dressed by radiofrequency (rf) field. We show that direct rf evaporation enables simple preparation co...
BACKGROUND Defining the arrhythmogenic substrate is essential for successful ablation of scar-related ventricular tachycardia. The visual characteristics of endocardial ischemic scar have not been described in vivo. The goal of this study was (1) to quantify the visual characteristics of normal tissue, scar border zone, and dense scar in vivo with the use of a novel endoscopic catheter that all...
Although 3-T magnetic resonance (MR) imaging is well established in neuroradiology and musculoskeletal imaging, it is in the nascent stages in cardiovascular imaging applications, and there is limited literature on this topic. The primary advantage of 3 T over 1.5 T is a higher signal-to-noise ratio (SNR), which can be used as such or traded off to improve spatial or temporal resolution and dec...
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