Speaker
Description
The main problem in development of devices for express control is that the
measurement methods used in them should not make irreversible changes
to the structure and chemical composition of the medium under study. The
most mobile among NMR relaxometers are devices in which a modulation
technique is used to register the NMR signal.
When measuring the time of longitudinal relaxation T1 using the modulation
technique, a number of problems arise that are related to the relationship
between the modulation frequencies of the constant magnetic field in the
NMR signal recording zone. They are related to the following phenomenon,
which is obtained from solutions of the Bloch equation to determine T1. NMR
signals are recorded, relaxation times exist, and it is not possible to
determine T1 by the equation. Therefore, it is necessary to investigate this
phenomenon and develop a solution to this problem. One of the possible
options is presented in our work.
