The amine and epoxide functional groups are the primary characters in the epoxy reaction.
Go for primary sources, or near enough, anything to get behind the sensationalist facades projected by the media.
These two pins are the primary winding of the transformer.
Worst of all, many schoolchildren have to face dropping out after primary schooling because secondary education is not free.
The research is solidly based in published primary sources: books, pamphlets, and trial records.
Local retired primary teachers visited the centre to assist the educational programme.
We do not know whether the tumor in the bone marrow represents a primary or metastatic process.
Alternating current flowing in the primary (input) coil creates a continually changing magnetic field in the iron core, this field also passes through the secondary (output) coil and the changing strength of the magnetic field induces an alternating voltage in the secondary coil.
This double-observer approach is based on a primary observer who relays all birds he or she detects at a point to the secondary observer.
In certain conditions, we found that the primary product formed when an alcohol was passed over these catalysts was the corresponding symmetrical ester.