TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
TOP LAYER GRAIN SIZE [2 records]
Record 1 - internal organization data 1982-03-11
Record 1, English
Record 1, Subject field(s)
- Water Treatment (Water Supply)
Record 1, Main entry term, English
- downward filtration 1, record 1, English, downward%20filtration
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
Downward filtration. To increase the filtration rates and the operating life of the filters, part of the fine sand with an effective grain size of 0. 5 mm has been replaced by a layer of anthracite of an effective grain size of about 1 mm, of lower density than the sand, and placed on top of it. 1, record 1, English, - downward%20filtration
Record 1, French
Record 1, Domaine(s)
- Traitement des eaux
Record 1, Main entry term, French
- filtration de haut en bas
1, record 1, French, filtration%20de%20haut%20en%20bas
correct
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
En filtration de haut en bas. Pour augmenter la vitesse de filtration et le temps de marche des filtres, on a remplacé une partie du sable fin de TE voisine de 0.5 mm par une couche d'anthracite de TE voisine de 1 mm, de densité plus faible que le sable, et placée au-dessus de celui-ci. 1, record 1, French, - filtration%20de%20haut%20en%20bas
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1981-01-26
Record 2, English
Record 2, Subject field(s)
- Scientific Measurements and Analyses
- Water Treatment (Water Supply)
- Wastewater Treatment
Record 2, Main entry term, English
- grain size of the top layer
1, record 2, English, grain%20size%20of%20the%20top%20layer
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
... the presence at the inlet to the filter bed of particles whose size exceeds that of the available voids... can be avoided either by increasing the grain size of the top layer of the filter or by preliminary screening of the water. 1, record 2, English, - grain%20size%20of%20the%20top%20layer
Record 2, Key term(s)
- top layer grain size
Record 2, French
Record 2, Domaine(s)
- Mesures et analyse (Sciences)
- Traitement des eaux
- Traitement des eaux usées
Record 2, Main entry term, French
- granulométrie de front
1, record 2, French, granulom%C3%A9trie%20de%20front
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
[...] l'interception à l'entrée du lit filtrant de particules de section supérieure à celle du passage offert, [...] peut être évité, soit en accroissant la granulométrie de front du filtre, soit en assurant un prétamisage de l'eau. 1, record 2, French, - granulom%C3%A9trie%20de%20front
Record 2, Spanish
Record 2, Textual support, Spanish
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