High-Temperature Plasma-Chemical Conversion of Low-Grade Coal and Hydrocarbon Gases into Synthesis Gas and Value-Added Products. Tikrit Journal of Engineering Sciences, [S. l.], v. 32, n. SP1, p. 1–8, 2025. DOI: 10.25130/tjes.sp1.2025.24. Disponível em: https://tj-es.com/ojs/index.php/tjes/article/view/2638.. Acesso em: 10 sep. 2026.