Halons means

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August undefined, 2024

WebThe word holon (Greek: ὅλον) is a combination of the Greek holos (ὅλος) meaning 'whole', with the suffix -on which denotes a particle or part (as in proton and neutron). [2] [4] In this way, holon is a part–whole ; a nodal … WebThis means that it chemically disrupts the chemistry of the combustion reaction and is much more efficient at extinguishing a fire than an agent the acts in a physical way. A good comparison is with Ca, ... The UNEP Halons Technical Options Committee has drafted a definition of Essential Use

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Webhalon: [noun] a halocarbon that contains especially bromine. choro fit

Halon Recycling Corporation Outreach programs

Webhalon: 1 n a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer Type of: organic compound any compound of carbon and another element or a radical pollutant waste matter that ... WebDefine halon. halon synonyms, halon pronunciation, halon translation, English dictionary definition of halon. n. Any of several halocarbons used as fire-extinguishing agents. WebDefinition of halons in the Definitions.net dictionary. Meaning of halons. What does halons mean? Information and translations of halons in the most comprehensive … chor of pakistan

Halogen - Definition, Meaning & Synonyms Vocabulary.com

Halon chemical compound Britannica

WebHanlon's razor is an adage or rule of thumb that states, "Never attribute to malice that which is adequately explained by stupidity. " Known in several other forms, it is a philosophical … WebOzone-depleting substances (ODS) contain various combinations of the chemical elements chlorine, fluorine, bromine, carbon, and hydrogen and are often described by the general term halocarbons. These substances are effective ozone-depleters for two reasons. The first is that they are not reactive (chemically speaking), which means they survive … chorogridWebHalon definition: Any of several halocarbons used as fire-extinguishing agents. Dictionary Thesaurus Sentences Examples Knowledge Grammar; Biography ... halons. Origin of … chorogons

"WebModern extinguishing agents, such as dry chemical and halons, have proven to be effective on various fires even though these agents do not remove heat, fuel, or oxygen. Dry chemical and halogenated agents are thought to suspend or bond with “free radicals” that are created in the combustion process and thus prevent them from " - Halons means

Halons means

WebTherefore, the dissemination of accurate information about halon management is critical for protecting the environment while protecting valuable assets that cannot as yet be protected by other means. HALONS: Halons are low-toxicity, chemically stable compounds that have been used for fire and explosion protection for more than 50 years. Webhalogen: 1 n any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions Types: show 8 types... hide 8 types... At , astatine , atomic number 85 a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and ...

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WebMar 17, 2024 · halon (plural halons) ( organic chemistry ) A hydrocarbon (more precisely haloalkane ) in which one or more hydrogen atoms have been replaced by halogens … WebThe most commonly used halons are halon-1211 (CBrClF 2 ), halon-1301 (CBrF 3 ), and halon-2402 (C 2 Br 2 F 4 ). The numbering system for the halons is different but more simple than for that of the CFCs. The first …

Webmeans of a European Council Regulation on substances that deplete the ozone layer. The current Regulation, known as EC 3093/94, banned the production of the halons one year earlier than the Montreal Protocol. but imposes no additional use constraints. It does, however, control the use of HCFCs, and bans their use as fire extinguishants. WebHalon may refer to: Haloalkane, or halogenoalkane, a group of chemical compounds consisting of alkanes with linked halogens (in particular,... Halomethane fire …

Webhalon, chemical compound formerly used in firefighting. A halon may be any of a group of organohalogen compounds containing bromine and fluorine and one or two carbons. The … Webhalon: 1 n a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers …

WebHalons. Halons are chemicals that contain carbon, fluorine, and bromine.They are used in fire extinguishers and other firefighting equipment. Because of their bromine content, …

WebMar 14, 2024 · Halon definition: any of a class of chemical compounds derived from hydrocarbons by replacing one or more... Meaning, pronunciation, translations and … chorographischWebHalons synonyms, Halons pronunciation, Halons translation, English dictionary definition of Halons. n. Any of several halocarbons used as fire-extinguishing agents. chorographische kartenWebHalon is a fire suppressant agent found in both Fire Suppression Systems (Halon 1301) and Fire Extinguishers (Halon 1211). This is the most effective extinguishing agent available. Halon is a clean agent, which means it … chorographischeWebDefinition. Halons are fire extinguishing agents which are gaseous when discharged in the aircraft environment. Halons have, until recently, been in almost universal use in aircraft fire extinguishers, both portable and fixed.They exist in two forms - as Halon 1211, BromoChlorodiFluoromethane (CBrClF2) also known as 'BCF', and as Halon 1301, … chorogi plantWebMay 5, 2014 · Halon definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now! chorogon meaningWebHalons are usually defined as hydrocarbons where the hydrogen atoms have been replaced by bromine, along with other halogens. They are referred to by a system of code numbers similar to (but simpler than) the system used for freons. The first digit specifies the number of carbon atoms in the molecule, the second is the number of fluorine atoms ... chorographische karteWebHalon is a chemical molecule that was once employed in firefighting. Halon is any of a class of Organohalogen chemicals that include bromine, fluorine, and one or two carbons. The chemical formula for halon is CBrF 3. Halons' usefulness in extinguishing flames stems from their ability to disrupt chain reactions that promote the combustion ... chor ohne namen