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PRESSAO CAPILAR [1 record]
Record 1 - internal organization data 2003-04-30
Record 1, English
Record 1, Subject field(s)
- Soil Science
- Soil Mechanics (Engineering)
- Hydrology and Hydrography
Record 1, Main entry term, English
- capillary pressure
1, record 1, English, capillary%20pressure
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Difference of pressure across a curved air/water interface. 2, record 1, English, - capillary%20pressure
Record number: 1, Textual support number: 1 CONT
Capillary water is at a pressure less than atmospheric, which creates capillary tension in the pore water and a counteracting effective stress known as capillary pressure. 3, record 1, English, - capillary%20pressure
Record number: 1, Textual support number: 1 OBS
Capillary pressure ... is due to the tension of the interfacial surface, and its value depends on the curvature of that surface. 4, record 1, English, - capillary%20pressure
Record 1, French
Record 1, Domaine(s)
- Science du sol
- Mécanique des sols
- Hydrologie et hydrographie
Record 1, Main entry term, French
- tension capillaire
1, record 1, French, tension%20capillaire
feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- pression capillaire 2, record 1, French, pression%20capillaire
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Différence entre les pressions existant de part et d'autre de l'interface incurvée air/eau. 1, record 1, French, - tension%20capillaire
Record number: 1, Textual support number: 1 CONT
Forces capillaires. À l'interface entre deux phases, il existe une tension superficielle liée à la nature des deux substances en contact, qui traduit l'écart entre les forces d'attraction des molécules avec celles qui sont à l'intérieur de leur phase et celles qui sont à l'extérieur. L'eau est «mouillante» avec la plupart des solides c'est-à-dire que l'angle de raccordement de l'interface air-eau avec les solides est aigu. De part et d'autres de l'interface air-eau la pression est différente. L'écart, la pression capillaire, est d'autant plus élevé que le rayon de courbure est plus court. L'air est à la pression atmosphérique (phase continue). L'eau peut ainsi se retrouver à une pression négative (c'est la succion capillaire) : ceci explique l'existence d'un profil d'humidité au-dessus de la ligne de saturation d'un aquifère. 3, record 1, French, - tension%20capillaire
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Ciencia del suelo
- Mecánica del suelo
- Hidrología e hidrografía
Record 1, Main entry term, Spanish
- presión capilar
1, record 1, Spanish, presi%C3%B3n%20capilar
feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Diferencia de presión entre ambas caras de una interfaz curva agua/aire. 2, record 1, Spanish, - presi%C3%B3n%20capilar
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