Method of nuclear quadrupole resonance testing of integral spin quantum number systems

摘要

A method of Nuclear Quadrupole Resonance testing includes the steps of applying to a sample in which selected nuclei have an integral spin quantum number a series of at least three pulses of electromagnetic waves at a single radiofrequency to excite quadrupole resonance of the selected nuclei, and detecting responses at a plurality of times when echo response signals are expected to occur.