A review of the literature published from January to December 2019 on theoretical aspects
of nuclear magnetic shielding is presented. It covers both non-relativistic and relativistic …

Mortar samples from the remains of a nearly vanished structure in the village of Magán
(Toledo, Spain) have been investigated. Their mineralogical and chemical composition have …

The pegmatite in the Dagbala area, southwestern Nigeria occurs as a dyke trending in a NW-
SE direction which intrudes the Hornblende-Biotite-Granite. Geochemical, petrological, and …

This solid-state NMR report summarises the subject and results of 250 articles and original
papers published in 2021. In addition to the published reviews, the two major sections in this …

In restorative dentistry, dental ceramics or porcelains are always evolving. The continuous
advance in dental restorative materials has resulted in an increase in the use of pure …