TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
VITESSE REACTION [4 records]
Record 1 - internal organization data 2011-08-09
Record 1, English
Record 1, Subject field(s)
- Biological Sciences
Record 1, Main entry term, English
- reaction rate
1, record 1, English, reaction%20rate
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The number of molecules (or atoms) reacting per unit time. It has been explained by a combination of two theoretical models, the so-called collision theory and the transition state theory.... The collision theory provides a qualitative description of the factors that affect rate and proposes that reactions occur as a result of collisions between the reacting species.... The transition state theory expands upon the collision theory by proposing that an unstable transition state, or activated complex, is formed when reactants collide with the proper orientation and with a collision energy at least equal to the activation energy. 1, record 1, English, - reaction%20rate
Record number: 1, Textual support number: 1 OBS
An important numerical relationship emerges from the Michaelis-Menten equation in the special case when the initial reaction rate is exactly one-half the maximum velocity: we find that the substrate concentration is then equal to the enzyme's Km. 2, record 1, English, - reaction%20rate
Record 1, French
Record 1, Domaine(s)
- Sciences biologiques
Record 1, Main entry term, French
- vitesse de réaction
1, record 1, French, vitesse%20de%20r%C3%A9action
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Du fait de leur pouvoir catalytique, les enzymes sont capables de faire s'opérer, à 37°C et dans l'eau (seules conditions compatibles avec la vie), des réactions chimiques qui pourraient parfois se faire en laboratoire, mais dans des conditions beaucoup plus rigoureuses de température et de pression et souvent dans des solvants non aqueux. Les enzymes provoquent ainsi des accélérations considérables des vitesses de réaction : lorsqu'elle est catalysée par l'uréase du haricot rouge, la réaction d'hydrolyse de l'urée se produit 1014fois plus vite que lors d'une hydrolyse chimique classique à la même température. 1, record 1, French, - vitesse%20de%20r%C3%A9action
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2011-04-04
Record 2, English
Record 2, Subject field(s)
- Racquet Sports
Record 2, Main entry term, English
- reaction time
1, record 2, English, reaction%20time
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 PHR
To cut down, decrease the reaction time. 2, record 2, English, - reaction%20time
Record 2, French
Record 2, Domaine(s)
- Sports de raquette
Record 2, Main entry term, French
- temps de réaction
1, record 2, French, temps%20de%20r%C3%A9action
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- vitesse de réaction 2, record 2, French, vitesse%20de%20r%C3%A9action
correct, feminine noun
- rapidité de réaction 2, record 2, French, rapidit%C3%A9%20de%20r%C3%A9action
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
N'oubliez pas; quand vous êtes au filet, la balle parcourt moins de distance pour vous atteindre. Votre temps de réaction diminue en conséquence et fait augmenter les risques d'erreurs de votre part. 1, record 2, French, - temps%20de%20r%C3%A9action
Record number: 2, Textual support number: 2 CONT
Améliorer leur anticipation et leur vitesse de réaction par certains exercices appropriés où l'on augmente la difficulté graduellement. 2, record 2, French, - temps%20de%20r%C3%A9action
Record number: 2, Textual support number: 3 CONT
[...] quelques éléments de la préparation jusqu'à la frappe de la balle : rapidité de réaction, disponibilité du haut du corps en préparant à deux mains, course permettant un placement en équilibre du joueur avant le bond de la balle si possible. 2, record 2, French, - temps%20de%20r%C3%A9action
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1981-06-19
Record 3, English
Record 3, Subject field(s)
- Motors (Machinery)
Record 3, Main entry term, English
- reaction speed 1, record 3, English, reaction%20speed
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, French
Record 3, Domaine(s)
- Moteurs mécaniques
Record 3, Main entry term, French
- vitesse de réaction
1, record 3, French, vitesse%20de%20r%C3%A9action
correct
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1976-06-19
Record 4, English
Record 4, Subject field(s)
- Metallurgy - General
Record 4, Main entry term, English
- reaction velocity 1, record 4, English, reaction%20velocity
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, French
Record 4, Domaine(s)
- Métallurgie générale
Record 4, Main entry term, French
- vitesse de réaction
1, record 4, French, vitesse%20de%20r%C3%A9action
feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record 4, Spanish
Record 4, Textual support, Spanish
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