Ammonia and the Haber process. Ammonia. Ammonia (NH3) is a compound [compound: A compound is a substance formed by the chemical union (involving bond formation) of two or more elements. ] of nitrogen and hydrogen. It is a colourless gas with a choking smell, and a weak alkali which is very soluble in water.
Latent tuberculosis infection (LTBI) is a condition in which a person is infected with M. tuberculosis, but does not currently have active tuberculosis disease.
Latent viruses and diseases. Latent viruses are those viruses that can incorporate their genetic material into the genetic material of the infected host cell.Because the viral genetic material can then be replicated along with the host material, the virus becomes effectively silent with respect to detection by the host.acteriophage lambda is not associated with disease. However, other viruses that can establish a latent relationship with the host are capable of causing disease.