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Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 CONT

Retroviruses, virion morphology and morphogenesis. The first classification of oncoviruses after their species of origin was based on variations in the electron microscopic appearance of the viral particles associated with different viruses. Four major types of oncovirus particles A to D, are recognized, and the viruses are subdivided by type in accord with their particle morphology. The vast majority of these viruses(such as RSV, MuLV, and HTLV) have C-type morphology. MMTV is a prototype virus that makes B-type particles. These particles develop their inner core in the cytoplasm and acquire their envelope as they bud from the plasma membrane. The mature ones, which measure about 125 nm, contain an eccentrically located electron-dense core.  2, record 1, English, - B%2Dtype%20particle

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 CONT

Quand on les observe à l'aide d'un microscope électronique, tous les rétrovirus n'offrent pas la même morphologie. On parvient à distinguer quatre classes de virus : - le noyau des particules B est excentré et dense aux électrons. Le virus de la tumeur mammaire de la souris (MMTV) en est un exemple type.  2, record 1, French, - particule%20B

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 CONT

Retroviruses, virion morphology and morphogenesis. The first classification of oncoviruses after their species of origin was based on variations in the electron microscopic appearance of the viral particles associated with different viruses. Four major types of oncovirus particles A to D, are recognized, and the viruses are subdivided by type in accord with their particle morphology. The vast majority of these viruses(such as RSV, MuLV, and HTLV) have C-type morphology. Several primate viruses have been classified as type D; their morphological development is similar to that of B-type particles in that their inner core is assembled in the cytoplasm. However, the mature(budded) D-type particles resemble C-type particles more closely; they are also more closely related genetically to the C-type viruses.  2, record 2, English, - D%2Dtype%20particle

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 CONT

Quand on les observe à l'aide d'un microscope électronique, tous les rétrovirus n'offrent pas la même morphologie. On parvient à distinguer quatre classes de virus : - les particules D contiennent, comme les B, un noyau excentré et dense aux électrons, mais les spicules de leur surface sont plus courtes.  2, record 2, French, - particule%20D

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 CONT

Retroviruses, virion morphology and morphogenesis. The first classification of oncoviruses after their species of origin was based on variations in the electron microscopic appearance of the viral particules associated with different viruses. Four major types of oncovirus particles A to D, are recognized, and the viruses are subdivided by type in accord with their particle morphology. The vast majority of these viruses(such as RSV, MuLV, and HTLV) have C-type morphology. As a group, these retroviruses are often called C-type viruses. The particles of this class develop only as they bud from the plasma membrane. The mature extracellular C-type particles are 80 to 110 mm wide with a centrally placed core inside the envelope.  1, record 3, English, - C%2Dtype%20particle

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 CONT

Quand on les observe à l'aide d'un microscope électronique, tous les rétrovirus n'offrent pas la même morphologie. On parvient à distinguer quatre classes de virus : - les particules C ont un noyau central, dense aux électrons. Associées à des leucémies et des sarcomes, ces particules représentent la majorité des rétrovirus isolés à ce jour.  2, record 3, French, - particule%20C

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 CONT

Aggregation of microscopic particles diffusing in a fluid medium represents a common process leading to fractal structures. If the density of the initially randomly distributed particles is larger than zero, the probability for two "sticky" particles to collide and stick together is finite. It is typical for such systems that the resulting two-particle aggregate can diffuse further and may form larger fractal clusters by joining other aggregates. In the above process each cluster is equivalent with regard to the conditions for their motion, i. e., there is no seed particle as in the case of DLA. Consequently, this process is called cluster-cluster aggregation(CCA) to distinguish it from particle-cluster aggregation(CCA) to distinguish it from particle-cluster aggregation phenomena.  1, record 4, English, - cluster%2Dcluster%20aggregation

Record 4,  Textual support,  French

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 OBS

microscopic particle count(...) or approved automatic counting equipment may be(...) employed(...)  1, record 5, English, - automatic%20counting%20equipment

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 OBS

par inférence. Méthodes automatiques de comptage.  2, record 5, French, - %C3%A9quipement%20de%20comptage%20automatique

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, 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 6, English, - Aitken%20nucleus

Record 6,  Textual support,  French

Record number: 6, 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 6, French, - noyau%20d%27Aitken

Record number: 6, 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 6, French, - noyau%20d%27Aitken

Record 6,  Textual support,  Spanish

Record number: 6, 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 6, Spanish, - n%C3%BAcleo%20de%20Aitken