Improving the diagnostics of underground pipelines at oilandgas enterprises based on determining hydrogen exponent (PH) of the soil media applying neural networks Journal title: Восточно-Европейский журнал передовых технологий Authors: Larysa Yuzevych, Ruslan Skrynkovskyy, Volodymyr Yuzevych, Vitalii Lozovan, Grzegorz Pawlowski, Mykha... Subject(s):