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FRACTIONNEMENT CHARGE [3 records]
Record 1 - internal organization data 2004-09-24
Record 1, English
Record 1, Subject field(s)
- Atmospheric, Climatic and Meteorological Phenomena
Record 1, Main entry term, English
- Lenard effect
1, record 1, English, Lenard%20effect
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- waterfall effect 2, record 1, English, waterfall%20effect
- Lénard effect 3, record 1, English, L%C3%A9nard%20effect
- spray electrification 4, record 1, English, spray%20electrification
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Separation of electric charges in falling rain, caused by the breaking up of the water droplets, the drops becoming positively charged and the air negatively charged. 5, record 1, English, - Lenard%20effect
Record number: 1, Textual support number: 1 CONT
Dust and sandstorms are most often found to be negatively charged. The same explanation can be applied to waterfall electricity where the negative charge, induced by the fairweather field on a surface of water, is being carried over the edge of a waterfall. As the electrified water falls over the edge it breaks up into small drops and forms a mist of negative space charge, referred to as the Lenard effect or waterfall electricity ... 6, record 1, English, - Lenard%20effect
Record number: 1, Textual support number: 1 OBS
Lenard effect ... first studied systematically by the German physicist P. Lenard. Also called spray electrification, waterfall effect. 4, record 1, English, - Lenard%20effect
Record 1, Key term(s)
- water fall effect
Record 1, French
Record 1, Domaine(s)
- Phénomènes météorologiques, climatiques et atmosphériques
Record 1, Main entry term, French
- effet Lenard
1, record 1, French, effet%20Lenard
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- effet Lénard 2, record 1, French, effet%20L%C3%A9nard
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Séparation de charges électriques dans la pluie, causée par le fractionnement des gouttelettes, celles-ci prenant une charge positive et l'air une charge négative. 3, record 1, French, - effet%20Lenard
Record number: 1, Textual support number: 1 CONT
L’effet Lenard, concernant la pluie et les cascades. Le frottement de l’air sur les gouttes d’eau, l’impact de celles-ci sur le sol ou les rochers, arrachent des électrons à ces gouttes; leur charge positive est aussitôt capturée par le sol tandis que les électrons sont bien entendu immédiatement piégés par l’oxygène [...] 4, record 1, French, - effet%20Lenard
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Fenómenos meteorológicos, climáticos y atmosféricos
Record 1, Main entry term, Spanish
- efecto de Lenard
1, record 1, Spanish, efecto%20de%20Lenard
masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Separación de cargas eléctricas en la lluvia, causada por la ruptura de las gotas. 1, record 1, Spanish, - efecto%20de%20Lenard
Record number: 1, Textual support number: 1 OBS
Estas adquieren una carga positiva mientras que el aire se carga negativamente. 1, record 1, Spanish, - efecto%20de%20Lenard
Record 2 - internal organization data 2004-03-09
Record 2, English
Record 2, Subject field(s)
- Transport of Goods
Record 2, Main entry term, English
- splitting-up of load 1, record 2, English, splitting%2Dup%20of%20load
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Key term(s)
- splitting up of load
Record 2, French
Record 2, Domaine(s)
- Transport de marchandises
Record 2, Main entry term, French
- fractionnement de la charge
1, record 2, French, fractionnement%20de%20la%20charge
masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1995-05-29
Record 3, English
Record 3, Subject field(s)
- Petroleum Distillation
- Petroleum Asphalts
Record 3, Main entry term, English
- vacuum tower bottom 1, record 3, English, vacuum%20tower%20bottom
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record 3, French
Record 3, Domaine(s)
- Distillation du pétrole
- Bitumes
Record 3, Main entry term, French
- fond de tour
1, record 3, French, fond%20de%20tour
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- fond de tour de fractionnement 2, record 3, French, fond%20de%20tour%20de%20fractionnement
proposal, masculine noun
- fond de colonne de distillation sous vide 2, record 3, French, fond%20de%20colonne%20de%20distillation%20sous%20vide
proposal, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
La fabrication du bitume fait appel à trois grandes opérations : la distillation, le soufflage, et, dans certains cas, le désasphaltage. La distillation [...] a lieu en deux étapes : d’abord la distillation atmosphérique puis la distillation sous vide. Le pétrole brut [est] introduit dans une tour de fractionnement comportant un grand nombre de plateaux qui permettent la séparation [...] On soutire les coupes à différents niveaux choisis et on recueille en fond de tour un mélange d’hydrocarbures lourds ayant la consistance d’un fuel et appelé, dans la terminologie du raffinage, résidu atmosphérique. Maintenue à plus de 300 °C, cette charge est introduite dans une deuxième tour de fractionnement dans laquelle on crée une pression très réduite afin d’abaisser les températures d’ébullition(la distillation de ce résidu à la pression atmosphérique nécessiterait en effet des températures beaucoup plus élevées qui dégraderaient le produit par craquage). On obtient cette fois une série de distillats et, en fond de tour, un produit bitumineux. 1, record 3, French, - fond%20de%20tour
Record 3, Spanish
Record 3, Textual support, Spanish
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