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Related to Spin-Echo: spin echo technique, fast spin echo


symbol for the element seleniumselenium
, nonmetallic chemical element; symbol Se; at. no. 34; at. wt. 78.96; m.p. 217°C;; b.p. about 685°C;; sp. gr. 4.81 at 20°C;; valence −2, +4, or +6. Selenium is directly below sulfur in Group 16 of the periodic table.
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The country code for Sweden.


(1) (Special Edition) See iPhone SE.

(2) (Standard Edition) See Java 2.

(3) (Single Ended) The traditional type of signaling on the SCSI bus. See SCSI.

(4) See systems engineer and service engineer.

(5) (Second Edition) See Windows Second Edition.
References in periodicals archive ?
Perfusion MRI of the human brain with dynamic susceptibility contrast: Gradient-echo versus spin-echo techniques.
Fast spin-echo MR images of the pelvis obtained with a phased-array coil: value in localizing and staging prostatic carcinoma.
All three groups were subject to the same T2-weighted, fast spin-echo and MRI in the axial and sagittal planes.
The other basic modification to the spin-echo sequence that can be made is to acquire multiple lines of k-space during the TE interval.
Axial, proton density-weighted, fat suppressed, turbo spin-echo (repetition time msec/echo time, 2500/13; turbo factor (TF) 5), 4-mm section thickness, 1-mm spacing, 512x256 matrix, NEX 1, FOV 14 cm.
The papers discuss transient oscillations in high-resolution solid state NMR (nuclear magnetic resonance) spectroscopy, application of high resolution magic angle spinning NMR spectrometry to define the cellular up-take of endogenous and exogenous molecules, magnetization transfer by cross polarization in liquid state NMR spectroscopy, spin-echo in modulated gradient fro the spectral analysis of molecular motion, current developments in longitudinally detected electron spin resonance spectrometer for in vivo applications, probing the lung microstructure with diffusion- sensitive helium-3 imaging, examining amide proton relaxation rates of highly deuterated proteins, NMR studies of columnar liquid crystals, and high-resolution MR spectroscopy via adaptive sub-band decomposition.
Diffusion-weighted (DW) MRI scans were carried out on a 3T scanner using a radial fast spin-echo method.
Sialolithiasis and salivary ductal stenosis: Diagnostic accuracy of MR sialography with a three-dimensional extended-phase conjugate-symmetry rapid spin-echo sequence.