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.
From Wikipedia, the free encyclopedia. Virus latency (or viral latency) is the ability of a pathogenic virus to lie dormant (latent) within a cell, denoted as the lysogenic part of the viral life cycle.A latent viral infection is a type of persistent viral infection which is distinguished from a chronic viral infection.Latency is the phase in certain viruses' life cycles in which, after initial infection, proliferation of virus particles ceases. However, the viral genome is not fully eradicated.rom Wikipedia, the free encyclopedia. Virus latency (or viral latency) is the ability of a pathogenic virus to lie dormant (latent) within a cell, denoted as the lysogenic part of the viral life cycle.