What is the NA in biology?

Numerical Aperture (NA): This is a number that expresses the ability of a lens to resolve fine detail in an object being observed. Transdev United States is the largest private sector operator of multiple modes of transit in North America. Narcotics Anonymous is a nonprofit Fellowship or society of men and women for whom drugs had become a major problem. We are recovering addicts who meet ... Joyce and Ed Doty, the founders of Na 'Āina Kai, developed their extraordinary artistic and horticultural vision based upon their strong love for the land and ... EUV lithography uses extreme ultraviolet light with a wavelength of 13.5 nanometers to image the fine structures on the wafer. Narcotics Anonymous is not a religious organization. It does teach basic spiritual principles such as honesty, open-mindedness, faith, willingness, and humility ... Webster Bank, N.A. ... registered in the U.S. Patent and Trademark Office. © 2025 Webster Financial Corporation. All rights reserved. NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY; NOT A DEPOSIT OR OTHER OBLIGATION OF, OR GUARANTEED BY, JPMORGAN CHASE BANK, N.A. OR ANY OF ITS AFFILIATES ... Missing data in R appears as NA. NA is not a string or a numeric value, but an indicator of missingness. We can create vectors with missing values. Welcome Home. Narcotics Anonymous can help you find the freedom to live your life without the use of drugs. Narcotics Anonymous is a fellowship or society of ...