PM

(redirected from promethium)
Also found in: Dictionary, Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Related to promethium: Prometrium

PM

The two-character ISO 3166 country code for SAINT PIERRE AND MIQUELON.

PM

1. ISO 3166-1 alpha-2 code for the Territorial Collectivity of Saint Pierre and Miquelon, an overseas department of France. This is the code used in international transactions to and from local bank accounts.

2. ISO 3166-2 geocode for Saint Pierre and Miquelon. This is used as an international standard for shipping to Saint Pierre and Miquelon.
References in periodicals archive ?
In reality, with the exception of promethium (which has no long-lived isotopes and, according to the US Geological Survey, occurs naturally only in 'vanishingly small' quantities), rare earths are generally found in fairly high concentrations in four minerals--bastnasite, loparite, monazite and xenotime--along with rare-earth ionadsorption clays.
21 Sc (Scandium) * Parodi 1998 64 Gd (Gadolinium)* 39 Y (Yttrium) * 65 Tb (Terbium) 57 La (Lanthanum) * 66 Dy (Dysprosium)* 58 Ce (Cerium) * 67 Ho (Holmium) 59 Pr (Praseodymum) * 68 Er (Erbium) 60 Nd (Neodymum) * 69 Tm (Thulium) 61 Pm (Promethium) 70 Yb (Ytterbium) 62 Sm (Samarium) * 71 Lu (Lutetium) 63 Eu (Europium) * present at Trimouns (Moelo et al., 1974) Table 2.
Tests have demonstrated that the MicroBeam HR signal-to-noise characteristics are up to 175 times better than competitive nuclear techniques that use "Promethium 147 sensors on a 0.89 micron film.
Promethium trichloride is the only lanthanide from the series that is missing in this investigation because (i) it is not available from rare earth ores (3) or a commercial distributor, and (ii) more than 100 mg cannot be handled safely because of its radioactivity (3).
It was eventually named promethium, because just as the Greek god Prometheus had snatched fire from the nuclear furnace of the Sun, so promethium had been snatched from the nuclear furnace of the fissioning uranium atoms.
An investigation by Kansas City television station KSHB 41, launched in 2009, revealed the plant used hundreds of toxins including uranium, depleted uranium, promethium and beryllium.
PROMETHIUM ([{16 + 18}] x [15 - 13] + 5 - 20 + 8) x (9 - 21 + 13) = 61