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FUSION RANGE [6 records]

Record 1 2025-01-28

English

Subject field(s)
  • Human Diseases - Various
  • Epidermis and Dermis
OBS

RDEB is an autosomal recessive inherited condition. This means both parents are carriers, yet they are unaffected. When each parent has a copy of the altered gene, there is a 1 in 4 chance or 25% that the child will be affected.

OBS

Although in some cases this form of EB [epidermolysis bullosa] can be mild with generalized blistering, typically the recessive forms of EB tend to be more severe. Onset is usually at birth with areas of missing skin. Generalized blistering then scarring can occur on skin surfaces and mucous membranes. Scarring may limit range of motion of extremities. Fusion of fingers and toes and contractures cause deformity and loss of function.

French

Domaine(s)
  • Maladies humaines diverses
  • Épiderme et derme
CONT

L'EB [épidermolyse bulleuse] dystrophique est causée par des mutations dominantes ou récessives du gène COL7A1 qui code pour le collagène de type VII [...] Les mutations pathologiques conduisent à la production d'un collagène de type VII non fonctionnel ou à son absence. En conséquence, les fibrilles d'ancrage de la jonction dermo-épidermique ne sont pas assemblées correctement ou ne sont pas formées, ce qui réduit l'adhérence entre le derme et l'épiderme et provoque des plaies. Les patients atteints d'EBDR souffrent donc de ces plaies pendant toute leur vie [...]

Spanish

Campo(s) temático(s)
  • Enfermedades humanas varias
  • Epidermis y dermis
OBS

La epidermólisis bullosa distrófica es una enfermedad hereditaria rara debida a mutaciones del gen COL7A1. Su variante recesiva (EBDR) se caracteriza por una marcada disminución o ausencia completa de colágeno tipo VII.

Save record 1

Record 2 2017-04-06

English

Subject field(s)
  • Atomic Physics
DEF

The requirement for the energy produced by fusion in a plasma to exceed that required to produce the confined plasma; it states that for a mixture of deuterium and tritium in the temperature range from 1 x 10 exponent 8 degrees Celsius, the product of the ionic density and the confinement time must be about 10 exponent 14 seconds per cubic centimeter.

OBS

Lawson criterion: term standardized by ISO.

French

Domaine(s)
  • Physique atomique
DEF

Condition qui doit être satisfaite dans le cœur d'un réacteur à fusion pour qu'une réaction thermonucléaire puisse se maintenir : la puissance libérée par le plasma doit être supérieure ou au moins égale à la puissance totale perdue par différents mécanismes (rayonnement de freinage, neutrons, etc.). C'est une inégalité liant la densité et la température du plasma à la durée de vie des particules.

CONT

Le critère de Lawson. [...] Les principaux paramètres agissant sur le bilan d'énergie [d'un plasma où l'on cherche à amorcer la fusion thermonucléaire] sont la densité de particules n, la température T et le temps de vie de l'énergie «tau». Le physicien britannique J.D. Lawson fut [...] le premier à exprimer la condition simple qui relie n, «tau» et T pour que le bilan énergétique soit positif.

OBS

critère de Lawson : terme normalisé par l'ISO.

Spanish

Save record 2

Record 3 2011-06-21

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Physics of Solids
DEF

The temperature at which [the] crystals [of a pure substance] are in equilibrium with the liquid phase at atmospheric pressure.

CONT

The melting point of a substance should be considered a property of its crystalline form only. At the melting point the liquid and solid forms of a substance exist in equilibrium. All substances of crystalline nature have their characteristic melting points. For very pure substances the temperature range over which the process of fusion occurs is very small. The melting point of a pure crystalline solid is a function of pressure; it increases with increasing pressure for most substances. However, in the case of ice(and a few other substances) the melting point decreases with increasing pressure... Under a pressure of one standard atmosphere, the melting point of pure ice is the same as the ice point, that is, 0°C.

OBS

The melting point is the temperature at which a solid material becomes liquid. The freezing point is the temperature at which liquid material becomes a solid.

OBS

The term "melting point" (mp) is used when the equilibrium temperature is approached by heating the solid. Ordinarily refers to temperature above 0°C, the melting point of ice.

OBS

... melting point and freezing point are often used interchangeably depending on whether the substance is being heated or cooled.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Physique des solides
DEF

Température à laquelle, sous une certaine pression, le solide et le liquide sont en équilibre.

OBS

L'abréviation Tf est utilisée dans les cahiers de la collection Enviroguide d'Environnement Canada.

Spanish

Campo(s) temático(s)
  • Medición y análisis (Ciencias)
  • Física de los sólidos
DEF

Para una sustancia, la temperatura correspondiente al paso de la fase sólida a la líquida.

OBS

Es función de la presión.

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Record 4 2006-11-15

English

Subject field(s)
  • Heat (Physics)
  • Fluid Mechanics and Hydraulics (Physics)
DEF

Temperature at which the top of the ash cone begins to round.

CONT

The fusion properties of laboratory prepared coal ash, which are demonstrated by the heating of the ash in a mildly reducing or oxidizing atmosphere. The temperature range generally used is 900 °C up to 1600 °C, and the temperatures which can be recorded are initial deformation temperature, softening temperature, hemisphere temperature and fluid(flow) temperature.

OBS

deformation temperature: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Chaleur (Physique)
  • Mécanique des fluides et hydraulique (Physique)

Spanish

Save record 4

Record 5 2001-11-06

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
DEF

Metamorphic processes at the extreme upper range of temperatures and pressures, at which partial to complete fusion of the affected rocks takes place and magma is produced.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
DEF

Niveau le plus élevé de métamorphisme atteint grâce à des températures et des pressions maximales.

CONT

Dans les roches favorables, l'anatexie ne débute que pour une intensité suffisante du métamorphisme (l'anatexie est parfois appelée ultramétamorphisme) : la fusion des roches métamorphiques se produit [...] à une température de l'ordre de 680 °C [...]

OBS

D'après les sources de langue anglaise, l'ultramétamorphisme est un concept plus général que l'anatexie, puisqu'il s'agit de processus dans lesquels s'inscrit la fusion anatectique ou anatexie. Le lien entre l'anatexie et l'ultramétamorphisme semble en être un de cause à effet.

Spanish

Save record 5

Record 6 1997-10-03

English

Subject field(s)
  • Diagnostic Procedures (Medicine)
  • The Eye
CONT

All patients were evaluated for binocular function with stereopsis testing and demonstration of fusion with the Worth Four-Dot test... This was done so that patients with an initial exotropia who drifted outside the target range could be compared equally with patients who were initially esotropic who drifted the same amount but had not gone past a mark of 8 pd of exotropia.

Key term(s)
  • Worth Four Dot test
  • Worth 4-Dot test
  • Worth 4 Dot test

French

Domaine(s)
  • Méthodes diagnostiques (Médecine)
  • Oeil

Spanish

Save record 6

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