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POSITIVE ABERRATION [9 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2004-02-10

English

Subject field(s)
  • Photography
  • Optical Glass
  • Types of Glass
CONT

[chromatic aberration could be reduced by combining a positive lens of a crown glass] with a negative lens of a flint glass(high refractive index and high dispersion).

French

Domaine(s)
  • Photographie
  • Verres d'optique
  • Sortes de verre
CONT

deux types de verre entrent dans la composition des lentilles: le crown, peu dispersif, le flint, très dispersif.

Spanish

Campo(s) temático(s)
  • Fotografía
  • Vidrios ópticos
  • Tipos de vidrio
Save record 1

Record 2 1998-09-30

English

Subject field(s)
  • Chemistry
  • Biochemistry
  • Textile Industries
  • Textiles: Preparation and Processing
CONT

Mutagenicity....(a) there is epidemiological evidence that shows a causal connection between exposure of person to the substance or mixture and heritable genetic effects; or(b) there is evidence of mutagenicity in mammalian germ cells in vivo as shown by(i) positive results in a study that measures mutation transmitted to offspring, or(ii) positive results in an in vivo study showing chemical interaction with the genetic materials of mammalian germ cells and positive results in an in vivo study assessing either gene mutation or chromosomal aberration in somatic cells.

French

Domaine(s)
  • Chimie
  • Biochimie
  • Industries du textile
  • Apprêt et traitements divers (Textiles)
OBS

Source : Règl. concernant les produits contrôlés. (Loi sur les produits dangereux).

Spanish

Save record 2

Record 3 1998-05-21

English

Subject field(s)
  • Optical Glass
OBS

[chromatic aberration could be reduced by combining a positive lens of a crown glass(low refractive index and low dispersion) with a negative lens of a flint glass]

French

Domaine(s)
  • Verres d'optique
DEF

En optique scientifique, verre de faible indice de réfraction et de constringence élevée.

OBS

Source MVISI-F : Le nouveau dictionnaire de la vision par Michel Millodot, Médiacom Vision Éditeur, 1997.

Spanish

Save record 3

Record 4 1998-03-03

English

Subject field(s)
  • Optics

French

Domaine(s)
  • Optique
OBS

Lorsque les rayons périphériques sont plus réfractés que les rayons paraxiaux, l'aberration [sphérique] est dite sous-corrigée [...]

OBS

Source MVISI-F : Le nouveau dictionnaire de la vision par Michel Millodot, Médiacom Vision Éditeur, 1997.

Spanish

Save record 4

Record 5 1995-06-28

English

Subject field(s)
  • Biological Sciences
  • Scientific Research Methods
CONT

Mutagenecity...(a) there is epidemiological evidence that shows a causal connection between exposure of persons to the substance or mixture and heritable genetic effects; or(b) there is evidence of mutagenicity in mammalian germ cells in vivo as shown by(i) positive results in a study that measures mutation transmitted to offspring, or(ii) positive results in an in vivo study showing chemical interaction with the genetic materials of mammalian germ cells and positive results in an in vivo study assessing either gene mutation or chromosomal aberration in somatic cells

French

Domaine(s)
  • Sciences biologiques
  • Méthodes de recherche scientifique

Spanish

Campo(s) temático(s)
  • Ciencias biológicas
  • Métodos de investigación científica
OBS

Del latín literalmente: en algo vivo. Aplícase a procesos biológicos que ocurren dentro de un organismo vivo.

Save record 5

Record 6 1994-09-05

English

Subject field(s)
  • Cytology
CONT

Mutagenicity....(a) there is epidemiological evidence that shows a causal connection between exposure of persons to the substance or mixture and heritable genetic effects, or(b) there is evidence of mutagenicity in mammalian germ cells in vivo as shown by(i) positive results in a study that measures mutation transmitted to offspring, or(ii) positive results in an in vivo study showing chemical interaction with the genetic materials of mammalian germ cells and positive results in an in vivo study assessing either gene mutation or chromosomal aberration in somatic cells.

French

Domaine(s)
  • Cytologie
OBS

"mammalien,enne" : Qui se rapporte aux mammifères.

OBS

"cellule germinale" : LAROG, 1982, vol. 5, p. 4774.

OBS

L'expression "cellule germinale mammifère" nous paraît douteuse parce que, à notre connaissance, "mammifère" ne s'emploie que substantivement.

Spanish

Campo(s) temático(s)
  • Citología
OBS

"Célula germinal": cualquiera de las células reproductivas (generativas) de los organismos multicelulares, para distinguirlas de las células somáticas. Las células germinales en último término son gametos o agametos y pueden surgir a partir de células germinales primordiales o genocitos.

Save record 6

Record 7 1987-03-12

English

Subject field(s)
  • Optics
DEF

A two-element lens-a doublet-that greatly reduces chromatic aberration in an optical system. The components, one positive, one negative, are of different types of glasses(i. e. they have different refractive indices) ;...

French

Domaine(s)
  • Optique
CONT

On peut compenser en partie cette aberration chromatique dans un système qui associe deux lentilles, convergente et divergente, faites de verres dont les pouvoirs dispersifs respectifs sont différents; c'est le doublet achromatique (...)

Spanish

Save record 7

Record 8 1975-03-11

English

Subject field(s)
  • Photography
  • Optical Glass
  • Types of Glass
OBS

(...) chromatic aberration could be reduced by combining a positive lens of a crown glass(...) with a negative lens of a flint flass(high refractive index and high dispersion).

French

Domaine(s)
  • Photographie
  • Verres d'optique
  • Sortes de verre
OBS

deux types de verre entrent dans la composition des lentilles: le crown, peu dispersif, le flint, très dispersif.

Spanish

Save record 8

Record 9 1975-03-11

English

Subject field(s)
  • Photography
  • Optical Glass
  • Types of Glass
OBS

(...) chromatic aberration could be reduced by combining a positive lens of a crown glass(low refractive index and low dispersion) with a negative lens of a flint glass.

French

Domaine(s)
  • Photographie
  • Verres d'optique
  • Sortes de verre
OBS

deux types de verre entrent dans la composition des lentilles: le crown, peu dispersif, le flint, très dispersif.

Spanish

Save record 9

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