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STRUCTURE COLLOIDALE [2 records]
Record 1 - internal organization data 2004-11-29
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Physics
- Processing of Mineral Products
- Mineral Processing (Metallurgy)
Record 1, Main entry term, English
- aggregate
1, record 1, English, aggregate
correct, see observation
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Certain materials used as catalysts or supports consist of spheroids smaller than 10 nm in diameter, cemented into larger entities. A primary particle should be defined as the smallest discrete identifiable entity and the method of identification should be mentioned (e.g. transmission electron microscopy, scanning electron microscopy). An assemblage of such primary particles exhibiting an identifiable collective behaviour (e.g. chemical nature of the aggregated primary particles, texture of the aggregate, resistance to mechanical separation upon grinding) constitutes an aggregate. 2, record 1, English, - aggregate
Record number: 1, Textual support number: 1 OBS
When describing the aggregates the criterion of identification should be mentioned. Strongly bonded aggregates are called agglomerates. 2, record 1, English, - aggregate
Record 1, French
Record 1, Domaine(s)
- Chimie
- Physique
- Préparation des produits miniers
- Minéralurgie (Métallurgie)
Record 1, Main entry term, French
- agrégat
1, record 1, French, agr%C3%A9gat
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Groupe de particules, [...] atomes ou molécules, liées entre elles au hasard. 2, record 1, French, - agr%C3%A9gat
Record number: 1, Textual support number: 1 OBS
On peut même considérer une particule colloïdale(par exemple, une micelle) comme un agrégat. De façon plus spécifique, le terme agrégat est utilisé pour décrire la structure formée par la cohésion de particules colloïdales. 2, record 1, French, - agr%C3%A9gat
Record number: 1, Textual support number: 2 OBS
En flottation des minerais, l’agrégat grains-bulle est constitué par un groupe de particules qui adhèrent à la surface d’une bulle d’air. 3, record 1, French, - agr%C3%A9gat
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química
- Física
- Preparación de los productos mineros
- Explotación de minerales (Metalurgia)
Record 1, Main entry term, Spanish
- agregado
1, record 1, Spanish, agregado
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
Los agregados conservan las mismas propiedades físicas propias de las sustancias similares que han formado un sistema cristalino. 2, record 1, Spanish, - agregado
Record 2 - internal organization data 1986-06-03
Record 2, English
Record 2, Subject field(s)
- Wastewater Treatment
Record 2, Main entry term, English
- Porteous process
1, record 2, English, Porteous%20process
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record 2, French
Record 2, Domaine(s)
- Traitement des eaux usées
Record 2, Main entry term, French
- procédé Porteous
1, record 2, French, proc%C3%A9d%C3%A9%20Porteous
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Procédé basé sur la coagulation thermique de la boue. La boue chauffée à des températures comprises entre 150 et 200°C subit une transformation irréversible. Sa structure colloïdale est détruite ainsi que son affinité pour l'eau dont elle se sépare par simple décantation. La boue épaissie et recueillie est facilement déshydratable sur filtres-presses ou filtres à vide. 1, record 2, French, - proc%C3%A9d%C3%A9%20Porteous
Record 2, Spanish
Record 2, Textual support, Spanish
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