The method for locating hidden subsurface non-metallic pipelines made of high-molecular compounds (polyethylene, polystyrene, PVC, polypropylene) is proposed. It is based on the self-reactance properties of liquids in pipelines, which become apparent under the forced polarization of liquid by turning the magnetic axis of their protons at some angle in relation to the Earth’s magnetic field. The precession of the liquid proton axis in the direction to the Earth’s magnetic field appears after the end of the polarization pulse action. It results in the appearance of the variable magnetic field of free nuclear precession with Larmor frequency thus testifying to the location of subsurface pipeline with liquid. Proton precession time depends on the liquid and serves as a sign for recognition of the liquid type in a pipeline.
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Magnetometry: https://acdc.foxylab.com/node/26
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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 58, No. 4, pp. 126–130, July–August, 2022.
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Bereka, V.V., Rudenko, V.V., Rubalskyi, P.S. et al. A Self-Reactance Method of Detecting Hidden Subsurface Non-Metallic Pipelines. Mater Sci 58, 560–565 (2023). https://doi.org/10.1007/s11003-023-00699-x
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DOI: https://doi.org/10.1007/s11003-023-00699-x