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What does Ra stand for?

Ra stands for Rate of Appearance

This definition appears frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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We have 122 other meanings of Ra in our Acronym Attic

Samples in periodicals archive:

That is almost double his rate of appearance in the previous two seasons in which he played in only 41 percent of the games.
Of the principal factors that could affect an increase in insulin response, the study found that whey hydrolysis did not affect the rate of gastric emptying or the overall mean rate of appearance of essential amino acids (EAAs) in the bloodstream.
The principle for use of a plasma analyte such as SCR for measurement of GFR is based on a steady-state mass balance, with the assumptions that the rate of appearance into the bloodstream is constant and balanced solely by the rate of filtration through the glomerulus, leading to elimination in the absence of tubular secretion or reabsorption.