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NUCLEUS COUNTER [2 records]
Record 1 - internal organization data 2000-02-08
Record 1, English
Record 1, Subject field(s)
- Air Pollution
- Pollutants
Record 1, Main entry term, English
- Aitken nucleus
1, record 1, English, Aitken%20nucleus
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- Aitken particle 2, record 1, English, Aitken%20particle
correct
- Aitken condensation nuclei 3, record 1, English, Aitken%20condensation%20nuclei
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Microscopic atmospheric particle(diameter less than about 4 X 10-4 mm) which acts as a condensation nucleus in the operation of the Aitken dust counter. 4, record 1, English, - Aitken%20nucleus
Record 1, French
Record 1, Domaine(s)
- Pollution de l'air
- Agents de pollution
Record 1, Main entry term, French
- noyau d'Aitken
1, record 1, French, noyau%20d%27Aitken
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- particule d'Aitken 2, record 1, French, particule%20d%27Aitken
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Particule microscopique (de diamètre inférieur à environ 4 X 10-4 mm) de l'atmosphère agissant comme noyau de condensation dans l'utilisation du pulvimètre d'Aitken. 3, record 1, French, - noyau%20d%27Aitken
Record number: 1, Textual support number: 1 CONT
Les particules inframicroscopiques. Elles constituent le plus petit élément des «aérosols» atmosphériques. Leur taille peut descendre au-dessous de 10 [Angstroms]. On les dénomme souvent particules (ou noyaux) d'Aitken. Leur diamètre moyen est à peine de 300 [Angstroms]. 2, record 1, French, - noyau%20d%27Aitken
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Contaminación del aire
- Agentes contaminantes
Record 1, Main entry term, Spanish
- núcleo de Aitken
1, record 1, Spanish, n%C3%BAcleo%20de%20Aitken
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Partícula atmosférica microscópica (con diámetro inferior a 4 x 10-4 mm) que, en un contador de Aitken, actúa como núcleo de condensación. 2, record 1, Spanish, - n%C3%BAcleo%20de%20Aitken
Record 2 - internal organization data 1991-02-18
Record 2, English
Record 2, Subject field(s)
- Atmospheric Physics
Record 2, Main entry term, English
- condensation nuclei concentration
1, record 2, English, condensation%20nuclei%20concentration
correct
Record 2, Abbreviations, English
- CNC 2, record 2, English, CNC
correct
Record 2, Synonyms, English
- CNC concentration 3, record 2, English, CNC%20concentration
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
A condensation nucleus counter... gives the concentration of Aitken particles in the air. Aitken particles are defined as particles in the diameter range 0. 005-0. 5 [micrometers]. This size range contains more than 99 percent of the total number of atmospheric particles. There is a well-known statistical scatter of CNC concentrations.... 3, record 2, English, - condensation%20nuclei%20concentration
Record 2, French
Record 2, Domaine(s)
- Physique de l'atmosphère
Record 2, Main entry term, French
- concentration de noyaux de condensation
1, record 2, French, concentration%20de%20noyaux%20de%20condensation
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
On les appelle noyaux de condensation (parfois, noyaux d'AITKEN), et G. MADELAINE donne le principe de leur mesure (C.N.C.) dans son article. Le tableau 3 indique leur concentration dans certaines conditions. Ils constituent un très bon indicateur de pollution. 1, record 2, French, - concentration%20de%20noyaux%20de%20condensation
Record 2, Spanish
Record 2, Textual support, Spanish
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