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F layer [2 records]
Record 1 - internal organization data 2005-08-08
Record 1, English
Record 1, Subject field(s)
- Soil Science
Record 1, Main entry term, English
- fermentation layer
1, record 1, English, fermentation%20layer
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- fermentation horizon 2, record 1, English, fermentation%20horizon
correct
- F-horizon 3, record 1, English, F%2Dhorizon
- F layer 4, record 1, English, F%20layer
correct
- F horizon 5, record 1, English, F%20horizon
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Layer of (usually forest) soil consisting of partly decomposed plant residues. 6, record 1, English, - fermentation%20layer
Record 1, French
Record 1, Domaine(s)
- Science du sol
Record 1, Main entry term, French
- horizon de fermentation
1, record 1, French, horizon%20de%20fermentation
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- horizon F 2, record 1, French, horizon%20F
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Horizon organique composé de débris végétaux partiellement dégradés. 3, record 1, French, - horizon%20de%20fermentation
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Ciencia del suelo
Record 1, Main entry term, Spanish
- horizonte F
1, record 1, Spanish, horizonte%20F
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- capa F 1, record 1, Spanish, capa%20F
correct, feminine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Capa de humus formada por materia orgánica parcialmente descompuesta, situada debajo de la hojarasca y encima de la capa H. 1, record 1, Spanish, - horizonte%20F
Record 2 - internal organization data 2004-03-19
Record 2, English
Record 2, Subject field(s)
- Meteorology
- Space Physics
Record 2, Main entry term, English
- F layer
1, record 2, English, F%20layer
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Any ionized layer within the F region. 2, record 2, English, - F%20layer
Record number: 2, Textual support number: 1 CONT
The F layer which reflects radiowaves consists of two parts: F1 layer and F2 layer which are at about 170 km and 250 km in altitude respectively. 3, record 2, English, - F%20layer
Record number: 2, Textual support number: 1 PHR
F layer altitude. 3, record 2, English, - F%20layer
Record 2, French
Record 2, Domaine(s)
- Météorologie
- Physique spatiale
Record 2, Main entry term, French
- couche F
1, record 2, French, couche%20F
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Couche ionosphérique de la région F. 2, record 2, French, - couche%20F
Record number: 2, Textual support number: 1 CONT
La région F quant à elle est divisée en 3 parties : entre 140 et 200 km (région F1), il y a transition entre les ions moléculaires et les ions atomiques. La région F2, au-dessus de 250 km, est celle du second maximum de concentration d'électrons. Il n'y a qu'un ion abondant, l'oxygène atomique ionisé une fois (c'est-à-dire ayant perdu un électron). Au-dessus de la région F2 se trouve la région F supérieure, avec une transition entre l'oxygène ionisé et les ions plus légers d'hydrogène ou d'hélium. Au-dessus de 300 km, la concentration devient si faible que les collisions entre particules sont en nombre négligeable pour décrire la dynamique de cette partie de l'atmosphère. 3, record 2, French, - couche%20F
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Meteorología
- Física espacial
Record 2, Main entry term, Spanish
- capa F
1, record 2, Spanish, capa%20F
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
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