TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
REACTION RATE [3 records]
Record 1 - internal organization data 2012-09-10
Record 1, English
Record 1, Subject field(s)
- Scientific Measurements and Analyses
- Nuclear Physics
- Nuclear Fission Reactors
Record 1, Main entry term, English
- reaction rate 1, record 1, English, reaction%20rate
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record 1, French
Record 1, Domaine(s)
- Mesures et analyse (Sciences)
- Physique nucléaire
- Réacteurs nucléaires de fission
Record 1, Main entry term, French
- taux de réaction
1, record 1, French, taux%20de%20r%C3%A9action
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Nombre d'interactions entre un flux de particules et les noyaux d'un milieu, par unité de temps et de volume, pour une réaction donnée. 1, record 1, French, - taux%20de%20r%C3%A9action
Record number: 1, Textual support number: 1 OBS
taux de réaction : terme et définition publiés au Journal officiel de la République française le 3 juin 2012. 2, record 1, French, - taux%20de%20r%C3%A9action
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2011-08-09
Record 2, English
Record 2, Subject field(s)
- Biological Sciences
Record 2, Main entry term, English
- reaction rate
1, record 2, English, reaction%20rate
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, 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 2, English, - reaction%20rate
Record number: 2, 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 2, English, - reaction%20rate
Record 2, French
Record 2, Domaine(s)
- Sciences biologiques
Record 2, Main entry term, French
- vitesse de réaction
1, record 2, French, vitesse%20de%20r%C3%A9action
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, 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 2, French, - vitesse%20de%20r%C3%A9action
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1985-06-17
Record 3, English
Record 3, Subject field(s)
- Biochemistry
Record 3, Main entry term, English
- reaction rate 1, record 3, English, reaction%20rate
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
In comparison with other catalysts used in organic synthesis, enzymes are exceptional for several reasons, - a wide spectrum of reactions can be catalysed; they are usually very selective in terms of the type of reaction and structure of the substrate (reactant) and product; reaction rates can be very fast. 1, record 3, English, - reaction%20rate
Record 3, French
Record 3, Domaine(s)
- Biochimie
Record 3, Main entry term, French
- cinétique de réaction
1, record 3, French, cin%C3%A9tique%20de%20r%C3%A9action
feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Si on les compare à d'autres catalyseurs utilisés en synthèse organique, les enzymes sont exceptionnelles pour plusieurs raisons : elles peuvent catalyser une large spectre de réactions, elles sont généralement très sélectives tant pour le type de réaction catalysé que pour la structure du substrat (réactif) et du produit; les cinétiques de réaction peuvent être très rapides. 1, record 3, French, - cin%C3%A9tique%20de%20r%C3%A9action
Record 3, Spanish
Record 3, Textual support, Spanish
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