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.
What is Ammonia? Ammonia is a nutrient that contains nitrogen and hydrogen. Its chemical formula is NH 3 in the un-ionized state and NH 4 + in the ionized form. Total ammonia is the sum of both NH 3 and NH 4 + . Total ammonia is what is measured analytically in water. Why is it Important? Ammonia is the preferred nitrogen-containing nutrient for plant growth. Ammonia can be converted to nitrite (NO 2 ) and nitrate (NO 3) by bacteria, and then used by plants. Nitrate and ammonia are the most common forms of nitrogen in aquatic systems.