PR

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Related to praseodymium: neodymium

PR

The two-character ISO 3166 country code for PUERTO RICO.

PR

In numismatics, an abbreviation for proof. An equivalent abbreviation is PF.

Pr

Used on the consolidated tape to indicate preferred stock: GMPr 80 1/2 .

PR

see PUBLIC RELATIONS.
References in periodicals archive ?
Molycorp Minerals has started to extract neodymium and praseodymium ores from its mine in Mountain Pass, California, southwest of Las Vegas, which had closed in 2002 after 30 years of production.
The real value drivers for Ngualla are the neodymium - praseodymium and mid + heavy high purity rare earth oxide products (Figure 1), which together contribute 85% of projected annual revenue.
The report " Rare Earth Metals Market by Type (Lanthanum, Cerium, Neodymium, Praseodymium, Samarium, Europium, & Others), and Application (Magnets, Metals Alloys, Polishing, Additives, Catalysts, Phosphors, & Others) - Global Trends & Forecast to 2018", defines and segments the global rare earth metal market with analysis and forecasting of the global volume and revenue.
Neodymium and praseodymium are important specialty metals used in the renewable energy, green and high technology industries.
Molycorp currently produces high-purity products from the following rare earths: Cerium, Lanthanum, Praseodymium, Neodymium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Lutetium, and Ytterbium (with purity levels as high as 99.
37] dysprosium, sulfur, uranium, iodine, osmium, praseodymium
14 Physical Review Letters, Turukhin and his colleagues report using off-the-shelf crystals of yttrium silicate with some added praseodymium atoms to bring pulses of yellow laser light to a temporary standstill.
In 2011, driven by the skyrocketing market prices of major rare earth raw materials such as praseodymium and neodymium, NdFeB material price soared accordingly, in particular, N35 Sintered NdFeB in China once touched historical high of RMB628/kg in mid-July, which, in spite of a downward mobility in the second half year, still towered over the level at the outset of the year.
The report "Rare Earth Metals Market by Type (Lanthanum, Cerium, Neodymium, Praseodymium, Samarium, Europium, & Others), and Application (Magnets, Metals Alloys, Polishing, Additives, Catalysts, Phosphors, & Others) - Global Trends & Forecast to 2018", defines and segments the global rare earth metal market with analysis and forecasting of the global volume and revenue.
The neodymium - praseodymium oxide was produced from a bulk sample of mineralisation from the Company's 100% owned Ngualla Rare Earth Project in Tanzania.
assumptious W2 assumption (1) Praseodymium praseodidymium
The value drivers for Ngualla are the high purity, separated neodymium - praseodymium and heavy rare earth products which together contribute 75% of total revenue (Table 5 in link below).