phosphor

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phos·phor

(fos'fŏr),
1. A chemical substance that transforms incident electromagnetic or radiation energy into light, as in scintillation radioactivity determinations or radiographic intensifying screens or image amplifiers.
2. Any substance capable of exhibiting phosphorescence.
[G. phōs, light, + phoros, bearing]

phos·phor

(fos'fŏr)
A chemical substance that transforms incident electromagnetic or radioactive energy into light, as in scintillation radioactivity determinations or radiographic intensifying screens or image amplifiers.
[G. phōs, light, + phoros, bearing]

phosphor

(fos′fŏr, ′for″) [Fr. phosphore, fr L. phosphorus, morning star, fr Gr. phōsphoros, light-bringer]
A substance that in radiographic intensifying screens, fluoroscopic image intensifiers, or other image receptors converts photons of ionizing radiation into light, thereby amplifying the image.

rare-earth phosphor

An element such as yttrium, gadolinium, or lanthanum, used for ultra-high-speed radiographic intensification screens.
References in periodicals archive ?
A) Because of external mycelia scatetring of micorrhiza fungi in soil that eventfully enhances absorption level,mycelia are able to absorb phosphore from inaccessible areas of the plant roots and transfer it to the plant roots,since,among all different ways of nutrients absorption,phosphore is absorbed through diffusion generally, but in the presence of micorrhizae fungi,mycelia fungi are able to absorb these elements actively and consequently, phosphore absorption rath eliminates (Al-karaki and Al-Raddad, 1997).
Bravo D, Meschy F (2003) Vers une revision des recommandations d'apports en phosphore chez le ruminant.
Gachon L (1972) Fractionnement du phosphore labile en relation avec le type de sol.
Phosphate rock production at Ben Guerir, an open-pit mine to the east of the Youssoufia area, is transported in its raw state at 58% BPL to the Maroc Phosphore II plant at Safi where it is washed before being fed, still wet, to the acid plant.
NYSE:JEC) announced today that they have received a contract from La Societe Pakistan Maroc Phosphore, S.
Le phosphore est l'un des mineraux retrouves en grande quantite dans le corps apres le calcium.
De son cote, le secretaire d'Etat de la production agricole, Omar El Behi, a indique que l'organisation de cette journee d'information, vise a presenter les resultats des enquetes realisees au niveau de la fertilisation par azote, phosphore et potassium.
Le lancement des etudes de faisabilite economique intervient apres la reussite d'une premiere etude technique qui a permis le traitement du minerai en parvenant a reduire le taux du phosphore dans le fer, a fait savoir le ministre.
Transferts et geochimie de l'azote, du phosphore et du silicium des bassins des oueds Kebir-Rhumel, Kebir ouest et Saf-saf au littoral.
Carences en potassium et en phosphore chez Casuarina equisetifolia, Eucalyptus sp.
La comparaison de la biochimie du serum chez les bceufs musques tires et immobilises pres de Kugluktuk a permis de deceler que le sodium du serum, la creatinine, le phosphore, le magnesium et la creatine kinase etaient considerablement plus eleves (p < 0,05) chez le bceuf musque chasse que chez le bceuf musque chimiquement immobilise, tandis que Puree, le glucose et la gamma-glutamyl-transferase etaient considerablement plus eleves (p < 0,05) chez le bceuf musque immobilise.
En plus, le Senegal est riche des ressources minerales comme l'or, le fer, les marbres, le phosphore (pour cette derniere, il existe une cooperation speciale avec l'Inde).