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Showing papers by "Instituto Superior Técnico published in 1971"

Journal Article•DOI•
Nuclear quadrupole resonance spectra of pyridine N-oxide complexes of copper(II) halides

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J.J.R.Fraústo da Silva1, L.F. Volas Boas1, R. Wootton1•
Instituto Superior Técnico1
01 Jul 1971-Journal of Inorganic and Nuclear Chemistry
TL;DR: In this article, the nuclear quadrupole resonance frequencies of chlorine and bromine in pyridine N-oxide adducts of copper(II) chloride, bromide, and boron dioxide have been measured at room temperature.

7 citations

Journal Article•DOI•
Test on accelerate abrasion and chemical mobilization of rocks

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L. Aires-Barros, R. C. Graça1•
Instituto Superior Técnico1
01 Jun 1971-Bulletin of the International Association of Engineering Geology
TL;DR: The alteration and the alterability of rocks are estimated by wearing by friction, rolling and fragmentation accomplished by means of interpercussion of various types of rocks, as well as their aptitude to liberate the main chemical elements of the minerals of which they are composed.
Abstract: The alteration and the alterability of rocks are estimated by wearing by friction, rolling and fragmentation accomplished by means of interpercussion of various types of rocks, as well as their aptitude to liberate the main chemical elements of the minerals of which they are composed.