insoluble nitrogen
91protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… …
92vitamin — vitaminic, adj. /vuy teuh min/; Brit. also /vit euh min/, n. any of a group of organic substances essential in small quantities to normal metabolism, found in minute amounts in natural foodstuffs or sometimes produced synthetically: deficiencies… …
93Protein — A large molecule composed of one or more chains of amino acids in a specific order determined by the base sequence of nucleotides in the DNA coding for the protein. Proteins are required for the structure, function, and regulation of the body s… …
94Gas chromatography — A gas chromatograph with a headspace sampler Acronym GLC, GC Classification chromatography Analytes organic inorganic …
95Shale oil — This article is about synthetic oil produced by pyrolysis, hydrogenation, or thermal dissolution from oil shale. For crude oil stored in shale reservoirs, see Tight oil. Shale oil, known also as kerogen oil or oil shale oil, is an unconventional… …
96Cerium — lanthanum ← cerium → praseodymium ↑ Ce ↓ Th …
97Platinum — This article is about the chemical element. For other uses, see Platinum (disambiguation). iridium ← platinum → gold Pd ↑ Pt ↓ Ds …
98Cordite — Not to be confused with Cordaites, the extinct tree. A stick of cordite from World War II …
99Barium nitrate — Barium nitrate …
100Cyanuric acid — Cyanuric acid …
