期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 71, 期 4, 页码 1656-1659出版社
AMER INST PHYSICS
DOI: 10.1063/1.1150514
关键词
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We describe a pulsed spectrometer for detection of nuclear quadrupole resonance on the nuclei of nitrogen N-14 with fast Fourier transform. The use of a multipulse sequence, four channel system for data registration and processing permits detection of the nuclear quadrupole resonance (NQR) signal in the presence of strong interference and the piezo effect. Using this spectrometer we registered the NQR signal from an explosive sample of 150 g (92% RDX) at a distance of 22 cm, and the time of detection was 81 s. (C) 2000 American Institute of Physics. [S0034-6748(00)00204-5].
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