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METHOD AND MAGNETIC RESONANCE APPARATUS FOR DIFFERENT DEGREES OF EXCITATION OF TWO DIFFERENT NUCLEAR SPIN TYPES
专利权人:
Siemens Healthcare GmbH
发明人:
Markus Klarhoefer,Thorsten Feiweier
申请号:
US15891895
公开号:
US20180231630A1
申请日:
2018.02.08
申请国别(地区):
US
年份:
2018
代理人:
摘要:
In a method and magnetic resonance (MR) apparatus for different degrees of excitation of two different nuclear spin types with Larmor frequencies that are shifted relative to one another during recording of MR data by execution of an MR sequence, an excitation pulse sequence with at least two consecutive excitation pulses with defined time intervals for the exclusive excitation of the first spin type, and an additional pulse sequence with at least one additional pulse that acts at least on the second spin type, are used. A total pulse sequence formed by superimposition of the two pulse sequences is emitted within an excitation period of the MR sequence.
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