𝔖 Bobbio Scriptorium
✦   LIBER   ✦

E.p.r. study of reduced and reductively ethylated coals

✍ Scribed by Stanisław Duber; Helena M. Wachowska; Andrzej B. Wiȩckowski


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
390 KB
Volume
66
Category
Article
ISSN
0016-2361

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


E.p.r. studies of outburst-prone anthrac
✍ Jeffrey C. Evans; Christopher C. Rowlands; Robert M. Cross; Neil Rigby 📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 227 KB

Changes in the macroscopic structure of coal have been observed as an outburst-prone area is approached. Associated with this structural change was an increase in the concentration of paramagnetic centres. initial results suggested that this increase was not due to variation in maceral content with

E.p.r. study of molecular phases in coal
✍ Stanistaw Duber; Andrzej B. Wiȩekowski 📂 Article 📅 1982 🏛 Elsevier Science 🌐 English ⚖ 467 KB

E.p.r. spectra from coals of various carbon content are reported. The e.p.r. signal from coals in a vacuum consists of two lines with different widths. The results are interpreted using the Larsen-Kovac structural model (Am. Chem. Sot. Div. Fuel Chem. Preprints

Multi-frequency e.p.r. studies of Argonn
✍ R.B. Clarkson; Wei Wang; D.R. Brown; H.C. Crookham; R.L. Beiford 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 676 KB

Eight coals from the Argonne Premium Coal Sample Program (APCSP), and an Illinois No. 6 coal from the Illinois Coal Basin Sample Program (ICBSP) have been investigated, employing a novel very high frequency (VHF) e.p.r. spectrometer operating at a microwave frequency of about 95 GHz and a magnetic f