- halogen substance
- галогенизированное вещество
Англо-русский словарь по экологии. 2011.
Англо-русский словарь по экологии. 2011.
Carius halogen method — The Carius halogen method in analytical chemistry is a method for the quantitative determination of halogens in chemical substances [Julius B. Cohen Practical Organic Chemistry 1910 [http://www.archive.org/details/PracticalOrganicChemistry Link… … Wikipedia
atomic number 35 — noun a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water • Syn: ↑bromine, ↑Br • Derivationally related forms: ↑bromic (for: ↑bromine), ↑brominate ( … Useful english dictionary
atomic number 9 — noun a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite • Syn: ↑fluorine, ↑F • Hypernyms: ↑chemical element,… … Useful english dictionary
Br — abbr. British Rail. * * * noun a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water • Syn: ↑bromine, ↑atomic number 35 • Derivationally related forms: ↑bromic (for: ↑bromine), ↑bromi … Useful english dictionary
Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of … Wikipedia
Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ … Wikipedia
hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… … Universalium
heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… … Universalium
organosulfur compound — ▪ chemical compound Introduction also spelled organosulphur compound , also called organic sulfur compound a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… … Universalium
drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… … Universalium
Iodine — (IPAEng|ˈaɪədaɪn, ˈaɪədɪn, or IPA|/ˈaɪədiːn/; from el. ιώδης iodes violet ), is a chemical element that has the symbol I and atomic number 53. Naturally occurring iodine is a single isotope with 74 neutrons. Chemically, iodine is the least… … Wikipedia