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 ?
The results of study on celery demonstrate an increased Nitrogen absorption of Micorrhizae plants comparing to Non-Micorrhizae plants even when there is equal phosphore for them.
But in Maize root the impact of Micorrhizae on Nitrogen and Phosphore absorption in the level of 1 percent became significant; but regarding kali, it was significant in the level of 5 percents Also, the treatment impact of Nitrogen on Phosphore and Nitrogen absorption become significant in the level of 1 percent; but not about Kali.
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 [10,28].
Pour le phosphore et le calcium, le RR est le risque que presentent les patients dont les valeurs depassent la cible par rapport a ceux dont les valeurs correspondent a la cible (PO4 0,8 a 1,8; Ca 2,2 a 2,6).
beaucoup moins que]Bunge Maroc Phosphore a joue un role important dans la satisfaction de nos besoins d'approvisionnement en engrais en Amerique du Sud[beaucoup plus grand que], a indique le directeur general de Bunge Limited, Soren Schroder, cite par le communique.
Maroc Phosphore : l'OCP rachete les parts de Bunge Limited Creee en 2008, cette joint-venture, detenue a part egales par l'OCP et Bunge Ltd, a permis de produire, depuis son demarrage, des engrais et des produits elementaires a base de phosphate a destination des filiales de Bunge en Amerique du Sud.
Finalement, la fin de son etouffement se produisit a partir de 1986 avec l'installation de Maroc Phosphore III et IV qui imposeront la province d'El Jadida comme un serieux site industriel du Royaume.
Ils sont egalement source de fer, zinc, phosphore, cuivre, magnesium et potassium.
0104 Gm Plus Calcium 75 Gm Plus Phosphores 58 Mg Plus Magnessium 3 Mg Plus K 2Mg Plus Mn 0.
1 Of October 2004 Sulphur And Phosphores Must Not Exceed 0.