نتایج جستجو برای: tilt mechanism
تعداد نتایج: 577488 فیلتر نتایج به سال:
Among planetary dynamos, the magnetic field of Saturn stands out in its exceptional level axisymmetry. One peculiar features is that dipole mode tilted with respect to rotation axis by only ≈0.007° or less. Numerical dynamo simulations performed this context have had great difficulty producing such small tilt angles without introducing ad hoc ingredients as a latitudinally varying heat flux pat...
NAOS (Nasmyth Adaptive Optics System) is the adaptive optics system presently developed for the ESO VLT. The field selectors are to feed the NAOS wavefront sensor with the light coming from an appropriate reference source which can be up to 1 arcmin (on the sky) distant from the center of the field of view. A large input tip-tilt-piston mirror selects the required part of the field of view. A s...
PURPOSE Although alteration in hypertropia induced by head tilt is considered a clinical criterion for diagnosis of superior oblique (SO) palsy, the mechanism of this head-tilt-dependent hypertropia (HTDHT) is unclear. In this study, magnetic resonance imaging (MRI) was used to study extraocular muscle (EOM) responses to head tilt in HTDHT. METHODS Orbital MRI was used to study 16 normal subj...
BACKGROUND Because of its episodic behavior, the correlation of spontaneous syncope with an abnormal finding can be considered a reference standard. METHODS AND RESULTS We inserted an implantable loop recorder in 111 patients with syncope, absence of significant structural heart disease, and a normal ECG; tilt-testing was negative in 82 (isolated syncope) and positive in 29 (tilt-positive). T...
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