The name Nerys is of Welsh origin. The meaning of Nerys is lady modern. Nerys is generally used as a girl's name. It consists of 5 letters and 2 syllables and is pronounced Ne-rys.
Nitrogen is a constituent of molecules in every major pharmacological drug class, including antibiotics. Many drugs are mimics or prodrugs of natural nitrogen-containing signal molecules: for example, the organic nitrates nitroglycerin and nitroprusside control blood pressure by being metabolized to nitric oxide.itrogen is present in all known living organisms, in proteins, nucleic acids, and other molecules. It typically makes up around 4% of the dry weight of plant matter, and around 3% of the weight of the human body.
Nitrate, any member of either of two classes of compounds derived from nitric acid, HNO3. The salts of nitric acid are ionic compounds containing the nitrate ion, NO-3, and a positive ion, such as NH4+ in ammonium nitrate. Esters of nitric acid are covalent compounds having the structure RâOâNO2, in which R represents an organic combining group, such as ethyl (C2H5) in ethyl nitrate. See also nitro compound.