Защита сверхпроводящей магнитной системы с высокой плотностью тока

В надпровідному соленоїді (з високою щільністю струму, замоноличеного, з непрямим захолодженням) для різних щільностей транспортного струму визначено термін нагріву обмотки до встановленої термоміцнісної границі, 50 К, при його переході у нормальний стан. Для різних темпів виведення енергії з системи проведено порівняння напруги на соленоїді для постійного та змінного зовнішніх опорів.For different densities of transport current in the superconducting solenoid (with high current density, monolith, with indirect cooling) the time of winding heating up to thermomechanical limit, 50 K, is defined at its transition into the normal state. Comparison of a solenoid voltage for constant and variable resistances at different rates of energy release from the system the has been performed

被服に対する意識及び行動とそれに影響する要因

博士（学術）神戸大

Pituitary microadenomas: diagnosis with two-and three-dimensional MR imaging at 1.5 T before and after injection of gadolinium.

The usefulness of different magnetic resonance (MR) imaging sequences (coronal and sagittal spin-echo [SE] and three-dimensional fast low-angle shot [3D FLASH]) in the detection of pituitary microadenomas before and after gadolinium injection was prospectively evaluated in 28 patients with surgical confirmation. When evaluated separately, the most useful sequences in the detection of these microadenomas were coronal pregadolinium T1-weighted SE, coronal pregadolinium 3D FLASH, coronal postgadolinium T1-weighted SE, and coronal postgadolinium 3D FLASH. The combination of pre- and postgadolinium T1-weighted sequences with pre-and postgadolinium 3D FLASH sequences produced the highest number of true-positive findings (90%) and the lowest number of false-positive findings (5%). When a 1.5-T imaging unit with a high signal-to-noise ratio allowing useful three-dimensional acquisition is used, the authors advocate a coronal T1-weighted SE sequence, followed (if necessary) by a coronal 3D FLASH sequence, both without injection of gadolinium, in the diagnosis of pituitary microadenomas. When no confident diagnosis is reached, the same sequences should be performed after the injection of gadolinium. The sagittal pre- and postgadolinium T1-weighted SE and long-TR SE sequences are useful only in specific cases

Physiological compartmentation in skeletal muscle: a phenomenological study with 31P MRS

info:eu-repo/semantics/publishe