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Showing 1 to 12 of 92 entries
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Direction of MR imaging.

Investigative radiology

Rothschild PA, Crooks LE, Margulis AR.
PMID: 2185180
Invest Radiol. 1990 Mar;25(3):275-81. doi: 10.1097/00004424-199003000-00013.

No abstract available.

A continuously variable field of view surface coil.

Magnetic resonance in medicine

Duensing R, Fitzsimmons J, Sanford D, Vazquez J.
PMID: 2325538
Magn Reson Med. 1990 Mar;13(3):378-84. doi: 10.1002/mrm.1910130305.

A new type of surface coil is described which allows the user to continuously vary the size of the field of view. This utilizes a modified radiofrequency trombone for size adjustment that results in a stable frequency over a...

Snapshot FLASH MRI. Applications to T1, T2, and chemical-shift imaging.

Magnetic resonance in medicine

Haase A.
PMID: 2319937
Magn Reson Med. 1990 Jan;13(1):77-89. doi: 10.1002/mrm.1910130109.

Snapshot FLASH magnetic resonance imaging techniques have been developed to enable real-time imaging of MR parameters. The first realization of the method is based on a 64 X 128 FLASH tomogram acquired within 200 ms, using improved MR system...

Magnetically induced surface charges on samples in magnetic resonance imaging radio-frequency coils: effect on electric fields, sample losses, and coil resonance.

Medical physics

Harpen MD.
PMID: 2385193
Med Phys. 1990 May-Jun;17(3):362-8. doi: 10.1118/1.596516.

We present a solution to Maxwell's equations which describe the inductive interaction between an irregularly shaped sample in a magnetic resonance imaging rf coil. It is demonstrated that the inductive interaction between the coil and sample can induce charge...

A new approach to split resonator design.

Magnetic resonance in medicine

Harpen MD.
PMID: 1569874
Magn Reson Med. 1992 Apr;24(2):364-9. doi: 10.1002/mrm.1910240217.

Using a novel application of the method of images we show how a plane array of resonant elements can be substituted for the conducting plane in a semicylindrical or split resonator. In an experimental low-pass split resonator-plane array system...

Electromagnetic computation and modeling in MRI.

Medical physics

Chen X, Steckner M.
PMID: 28079264
Med Phys. 2017 Mar;44(3):1186-1203. doi: 10.1002/mp.12103.

Electromagnetic (EM) computational modeling is used extensively during the development of a Magnetic Resonance Imaging (MRI) scanner, its installation, and use. MRI, which relies on interactions between nuclear magnetic moments and the applied magnetic fields, uses a range of...

Recent Advances in MR Hardware and Software.

Radiologic clinics of North America

Kierans A, Parikh N, Chandarana H.
PMID: 25953292
Radiol Clin North Am. 2015 May;53(3):599-610. doi: 10.1016/j.rcl.2015.02.002.

Tremendous advances have been made in abdominopelvic MR imaging, which continue to improve image quality, and make acquisitions faster and robust. We briefly discuss the role of non-Cartesian acquisition schemes as well as dual parallel radiofrequency (RF) transmit systems...

[Technology of magnetic resonance tomography].

Vestnik rentgenologii i radiologii

Mikhaĭlov VA.
PMID: 7975159
Vestn Rentgenol Radiol. 1994 Jan-Feb;(1):32-6.

Analyzes specific features in technology of magnetic resonance tomography. Presents technical characteristics of magnetic resonance tomographers with various magnetic field size and compares their basic characteristics.

Low-frequency quadrature mode birdcage resonator.

Magma (New York, N.Y.)

Borsboom HM, Claasen-Vujcić T, Gaykema HJ, Mehlkopf T.
PMID: 9219177
MAGMA. 1997 Mar;5(1):33-7. doi: 10.1007/BF02592263.

The birdcage resonator is frequently used in conventional MRI because of its excellent attributes. Its use in low-field MRI is restricted to field strengths higher than, for example, 0.1 T, dependent on the size of the coil. This is...

[(A tentative number) JIS Z 4952-magnetic resonance equipment for medical imaging-part 1: determination of essential image quality parameters].

Nihon Hoshasen Gijutsu Gakkai zasshi

Sunohara N.
PMID: 20703006
Nihon Hoshasen Gijutsu Gakkai Zasshi. 2010 Jul 20;66(7):833-5. doi: 10.6009/jjrt.66.833.

No abstract available.

Introduction to: magnetic resonance imaging of white matter diseases.

Topics in magnetic resonance imaging : TMRI

Lövblad KO.
PMID: 21187722
Top Magn Reson Imaging. 2009 Dec;20(6):299. doi: 10.1097/RMR.0b013e318207a3af.

No abstract available.

[What is expected out of 3T-focusing on IDEAL and Cube].

Nihon Hoshasen Gijutsu Gakkai zasshi

Nakagami S.
PMID: 19151529
Nihon Hoshasen Gijutsu Gakkai Zasshi. 2008 Dec 20;64(12):1600-3. doi: 10.6009/jjrt.64.1600.

No abstract available.

Showing 1 to 12 of 92 entries