“reaction rate”的概念、定义、翻译、参考文献-科学参考

reaction rate

Chemical Engineering

The number of moles of a species, i, undergoing chemical change per unit volume of reactor, V, per unit time:
$r_{i} = \frac{- 1}{V} \frac{d n_{i}}{d t}$

It may be expressed in terms of the rate of decrease in concentration of a reactant or the rate of increase in concentration of a product. The rate of reaction may be affected by the concentration of reactants, pressure, temperature, physical form of the reactants, and the presence of catalysts. Convention uses a negative sign to represent the disappearance of reactants and a positive sign to represent product formation.

单词	reaction rate
释义	reaction rate Chemical Engineering The number of moles of a species, i, undergoing chemical change per unit volume of reactor, V, per unit time: $r_{i} = \frac{- 1}{V} \frac{d n_{i}}{d t}$ It may be expressed in terms of the rate of decrease in concentration of a reactant or the rate of increase in concentration of a product. The rate of reaction may be affected by the concentration of reactants, pressure, temperature, physical form of the reactants, and the presence of catalysts. Convention uses a negative sign to represent the disappearance of reactants and a positive sign to represent product formation.
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