THE second volume of Prof. Johannsen's work on petrography is both a descriptive petrography of the quartz-bearing igneous rocks and an illustration of the author's proposed new method of ...
“The rare earths find, in and of itself, made the Man of War project an impressive economic opportunity. The associated scandium at the grades assayed show that the overall basket of minerals could ...
6 Magnetic Rare Earth Oxides (MREO) refers to the sum of the oxides of rare earth elements with magnetic properties, which include: Praseodymium Oxide (Pr₆O₁₁), Neodymium Oxide (Nd₂O₃), Terbium Oxide ...
A Blueprint for a Green Future - Multidisciplinary report on a green recovery from COVID-19 by the Cambridge Zero Policy Forum , Authors: Emily Shuckburgh, Dimitri Zenghelis, Matthew Agarwala, Laura ...
AT present the explanation of the origin and growth of crystals from solutions at low supersaturation or from melts which have been supercooled involves various aspects of the dislocation theory.