- fluorine substance
- Экология: фторсодержащее вещество
Универсальный англо-русский словарь. Академик.ру. 2011.
fluorine substance
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Fluorine — Fluorine, la. fluorum, meaning to flow ), is the chemical element with the symbol F and atomic number 9. Atomic fluorine is univalent and is the most chemically reactive and electronegative of all the elements. In its elementally isolated (pure)… … Wikipedia
fluorine — /floor een, in, flawr , flohr /, n. Chem. the most reactive nonmetallic element, a pale yellow, corrosive, toxic gas that occurs combined, esp. in fluorite, cryolite, phosphate rock, and other minerals. Symbol: F; at. wt.: 18.9984; at. no.: 9.… … Universalium
fluorine F 18 FEQA — A radioactive substance being studied in positron emission tomography (PET) imaging to detect cancer and to monitor the response of some types of cancer to treatment. Fluorine F 18 FEQA attaches to the epidermal growth factor receptor (EGFR)… … English dictionary of cancer terms
fluorine — flu|o|rine [ˈfluəri:n US ˈflur ] n [U] [Date: 1800 1900; : Modern Latin; Origin: fluor; FLUORESCENT] a chemical substance that is usually in the form of a poisonous pale yellow gas. It is a chemical ↑element : symbol F … Dictionary of contemporary English
fluorine — noun (U) a chemical substance that is usually in the form of a poisonous gas … Longman dictionary of contemporary English
fluorine F 18 EF5 — A substance being studied in positron emission tomography (PET) imaging to detect tumor hypoxia (a low level of oxygen in the tumor). This may help predict how the tumor will respond to treatment. It is a type of radiopharmaceutical. Also called… … English dictionary of cancer terms
Quartz Fluorine Tube — Quartz Fluorine Vessel Fluorine is the most reactive and electronegative substance known to man, therefore specialized containers must be prepared to hold and view the gas. The preparation of these vessels is delicate and labor intensive, but… … Wikipedia
Corrosive substance — European Union standard symbol for corrosives. GHS and other symbols are similar. A corrosive substance is one that will destroy or irreversibly damage another surface or substance with which it comes into contact. The main hazards to people… … Wikipedia
halogens — Substance containing fluorine, chlorine, bromine, and iodine … Dictionary of automotive terms
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
oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… … Universalium
