# Rate

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## Interest Rate

The percentage of the value of a balance or debt that one pays or is paid each time period. For example, if one holds a bond with a face value of \$1,000 and a 3% interest rate payable each quarter, one receives \$30 each quarter. The percentage of the interest rate remains constant (usually), but the amount one pays or is paid changes according to the amount of the balance or debt. For example, if one pays off part of the principal on a loan each month, the amount one pays in interest decreases even though the rate remains the same. See also: Time Value of Money.

## Rate

See Interest Rate.

References in periodicals archive ?
With an increased ventilation rate, the formaldehyde concentration between the air and source of interface would increase, thus promoting the diffusion of formaldehyde to the mainstream air and reducing the formaldehyde concentration on the surface of the wood composites.
Other ventilation variable, such as total ventilation rate, or total ACH, air recirculation, and Alteration, are excluded from consideration here.
indirect ventilation rate determination for manure belt laying hen houses.
In these studies, the ventilation rate in an experimental chamber was kept constant at a level producing a chamber C[O.
Re-heat is provided at the laboratory areas by utilizing condenser water leaving the chillers at approximately 95 F, eliminating energy use associated with re-heat typically associated with laboratory design requiring high ventilation rates.
Apart from the increase in velocity, the elevated ventilation rate will lead to change in the air distribution pattern in the room.
The following parameters have a critical influence on the ventilation rates (the volume of outside air actually introduced into the space): the impairment of the air quality caused by occupants, emissions from materials in the room, activities such as smoking, the quality of outside air, the thermal load (Popa, 2003).
This equation can be arranged so that the probability of airborne infection is given by P (infect) = C/S=1-exp(-Iqtp/Q), where C is the number of cases among S persons susceptible to the infection; I is the number of sources of infection; q is the number of "quanta," or units of bacilli necessary to cause infection produced per source per unit of time; t is the time of exposure per unit of time; p is the minute ventilation rate of the exposed susceptible hosts in volume per unit of time; and Q is the volumetric rate of fresh air ventilation that removes the infectious aerosol in volume per unit of time.
Other factors that affect supplemental heat are building insulation, ventilation rate, building size, the amount of feed animals are fed, and animal density.
This resulted in significant increases in the ventilation rate at the breathing zone.
x], and they have a ventilation rate that dilutes the gaseous exhaust emissions with large volumes of air when the engine operates at full rated output.

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