initial velocity

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in·i·tial ve·loc·i·ty

the rate of a reaction, for example, an enzyme-catalyzed reaction, at the early stages of the reaction such that the product(s) concentrations have not risen to a level to significantly affect the observable rate; typically, initial velocities are observed when less than 10% of the reaction's approach toward equilibrium has occurred.
Synonym(s): initial rate
References in periodicals archive ?
6 and 7 show the effect of increasing Fe(II) concentration on the decolorization and the initial rate of decolorization of PS in solution respectively.
3 percentage points over the year; initial rates on 5/1 hybrid ARMs were up 0.
ARMs' initial advantage is large, and many lenders will lock in initial rates for four to six months, protecting buyers from market rate shifts during construction.
The initial rate on an ARM is virtually always lower than the rate on a fixed-rate loan of comparable maturity and loan-to-value ratio.
Prior to the credit crisis, borrowers facing initial rate resets and higher mortgage payments would have refinanced into a new lower cost mortgage.
Initial rates on ARMs, however, rose by about 40 basis points over the course of the year because they typically are priced off of financial instruments with shorter maturities that match the length of the initial adjustment period.
Interest for the initial rate period will be paid on the first business day following the end of such period.
Bondholders are required to tender their bonds for purchase at the end of the initial rate period.
The filing also seeks to establish initial rates for ETT.
During the initial rate period the SBPA will be sized to cover any mandatory tender event and will provide for the payment of both principal and an interest component of 180 days at 3.
Notably, we completed a significant Barnett Shale well during the quarter in Tarrant County for an initial rate of 7.
signed a Heads of Agreement with PETRONAS for the sale of natural gas from Sarawak Blocks SK 309 and SK 311 at an initial rate of 250 to 300 million cubic feet per day for a period of up to 15 years.

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