- aromatic nucleus
- pierścień aromatyczny
English-Polish dictionary for engineers. 2013.
English-Polish dictionary for engineers. 2013.
Aromatic ring current — This article is about aromatic chemistry. For the meteorological effect, see Ring current. A diagram of an aromatic ring current. B0 is the applied magnetic field, the red arrow indicating its direction. The orange ring shows the direction of the … Wikipedia
Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… … Medical dictionary
Chlorinated polycyclic aromatic hydrocarbon — Chlorinated polycyclic aromatic hydrocarbons (ClPAHs) are a group of compounds comprising polycyclic aromatic hydrocarbons with two or more aromatic rings and one or more chlorine atoms attached to the ring system. ClPAHs can be divided into two… … Wikipedia
Benzene nucleus — Benzene Ben zene, n. [From {Benzoin}.] (Chem.) A volatile, very inflammable liquid, {C6H6}, contained in the naphtha produced by the destructive distillation of coal, from which it is separated by fractional distillation. The name is sometimes… … The Collaborative International Dictionary of English
Cyclophane — A cyclophane is a hydrocarbon consisting of an aromatic unit (typically a benzene ring) and an aliphatic chain that forms a bridge between two non adjacent positions of the aromatic ring. More complex derivatives with multiple aromatic units and… … Wikipedia
soap and detergent — ▪ chemical compound Introduction substances that, when dissolved in water, possess the ability to remove dirt (detergent) from surfaces such as the human skin, textiles, and other solids. The seemingly simple process of cleaning a soiled… … Universalium
Friedel-Crafts reaction — noun a substitution reaction in which an alkyl or acyl functional group replaces a hydrogen atom of an aromatic nucleus; it is catalyzed by aluminium chloride … Wiktionary
β-tocopherol — A lower homolog of α tocopherol that contains one less methyl group in the aromatic nucleus and is less active biologically; accompanies α tocopherol and γ β tocopherol … Medical dictionary
diazo oxide — noun : any of a class of compounds (as diazodinitrophenol) that contain a diazo group and an oxygen atom attached to ortho positions of an aromatic nucleus and are formed by the action of nitrous acid on ortho aminophenols with loss of water, a… … Useful english dictionary
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements … Universalium