Context examples . the Tranche B Loans which are initially made by AT&T-CFC on the Closing Date and all extensions, refinancings, divisions and portions thereof. Start studying Chlorofluorocarbons (CFCs).
which in industry-invented shorthand is known as CFC-12. Chlorofluorocarbon, appropriately named CFC and also known as Freon, is a combination of carbon, fluorine, and chlorine. Check your potential suppliers in China - get the verification report in 24 hours. zone Depletion Potential A number that refers to the amount of ozone depletion caused by a substance. What Does Chlorofluorocarbon (CFC) Mean? Freon definition, a brand name for any of a class of liquid or gaseous fluorocarbon or chlorofluorocarbon products, used chiefly as refrigerants. Protect your business, avoid . After an International Treaty signed in 1973, the use of CFCs was lowered and subsequently banned. CFC-113a is the only known CFC whose abundance in the atmosphere is still growing. CFC Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol propellants and. The principal chlorofluorocarbons which have been used are CCl 3 F, CCl 2 F 2, and CHClF 2. What Does Chlorofluorocarbons (CFC) Mean? This year, the CFC celebrates its 60th anniversary. chlorofluorocarbon in American English.
| Meaning, pronunciation, translations and examples Chlorofluorocarbon definition, any of several volatile, inert, saturated compounds of carbon, fluorine, chlorine, and hydrogen: used as refrigerants, foam-blowing agents, solvents, and, formerly, as aerosol propellants until scientists became concerned about depletion of the atmospheric ozone layer. Looking for online definition of CFC or what CFC stands for? Supplier Verification. They are man-made gas. Definition and synonyms of chlorofluorocarbon from the online English dictionary from Macmillan Education. 1928 : 1974 : 1987 : 1997 : 2005 : Ozone depleting CFCs CFCs HCFCs CFC alternatives HFCs PFCs SF6 Global warming Chlorofluorocarbons . Overseen by the Office of Personnel Management (OPM), the Combined Federal Campaign is the official workplace giving campaign for federal employees and retirees. A few common products include Freon and other refrigerants. Chlorofluorocarbons are strong candidate for halogen bonding since multiple halogen atoms are available. EIA Energy Glossary. The hundreds place, the one in this example, represents the number of carbon
1. (Warming due to carbon dioxide jumped by half in 25 years, NOAA) Carbon tetrachloride (CCl4), which was once used in applications such as dry cleaning and as a fire-extinguishing agent, was regulated in 1987 under the Montreal Protocol along with other chlorofluorocarbons that . Between 2012 and 2017, concentrations of the gas jumped by 40 percent. Chlorofluorocarbon definition: Chlorofluorocarbons are the same as → CFCs . Pronounced "KLOR-oh-FLOR-oh-kar-bunz" (mostly fluoromethane refrigerants such as Freon, abbreviated CFC's; along with hydrochlorofluorocarbons, HCFC's, they are implicated in upper atmospheric . It contains carbon, chlorine, and fluorine, produced as a volatile derivative of methane, ethane, and propane. What are synonyms for Chlorofluorocarbons? Students who are interested in learning more about the subject might enroll in a certificate program in refrigeration, which covers the repair and installation of refrigeration units.
Listen to the audio pronunciation in the Cambridge English Dictionary. Up through the 1970's, the Combined Federal Campaign (CFC) was a relatively non-controversial program in terms of the charities allowed to participate. Definition of chlorofluorocarbon written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. CFC is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary The most common representative is dichlorodifluoromethane (R-12 or Freon-12).
Pronunciation of chlorofluorocarbons with 2 audio pronunciations. These are often referred to as CFC-11, CFC-12, and CFC-22, respectively; alternatively, the abbreviations F-11, F-12, and F-22 are used, after the Dupont trade name Freon. A company registered in and regulated by a foreign country that has at least 50% American ownership.Setting up a corporation in a foreign country may have tax advantages; for example, a country may encourage companies to register in it by having no corporate tax.The IRS works within the context of foreign treaties to determine how earnings from controlled foreign corporations are taxed in the .
In the 1980s, it was observed that the ozone layer . Chlorofluorocarbons (CFCs), once described as "miracle chemicals," cause the breakdown of the ozone layer that protects the earth from the sun's ultraviolet (UV) radiation. Discover the properties and many uses, dangerous consequences, and . Conditional Call Forward Energy Dictionaries. This is the British English definition of chlorofluorocarbon.View American English definition of chlorofluorocarbon. Here are 4 tips that should help you perfect your pronunciation of 'chlorofluorocarbons':. The ODP is the ratio of the impact on ozone of a chemical compared to the impact of a similar mass of CFC-11. The numbers are based on a system developed by chemists at DuPont. The ozone layer is a very vulnerable, yet vital part of the Earth's protection against the harmful UV rays from the sun. Meaning of CFC. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The definition of chlorofluorocarbon is a type of nontoxic, nonflammable organic compounds used to make plastic foam and. Chlorofluorocarbon (CFC) A chlorofluorocarbon (CFC) is an organic compound typically consisting of chlorine, fluorine, carbon, and hydrogen. n. Abbr. Chlorofluorocarbons are highly effective refrigerants, which were developed in response to the need to reduce toxic and flammable substances from refrigerators and air conditioning units. QBAI is the average of a tested income CFC's aggregate adjusted bases as of the close of each quarter of the CFC's year in specified tangible property that is used in a trade or business of the tested income CFC, and is property to which a .
Definition of chlorofluorocarbon written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. Because of a growing concern over stratospheric ozone depletion and its attendant dangers, a ban was imposed on the use of CFCs in aerosol-spray dispensers in the late 1970s by the United States, Canada, and the Scandinavian countries.In 1990, 93 nations agreed, as part of the Montreal Protocol (established 1987), to end production of ozone-depleting chemicals by the end of the 20th century. ETSI and 3GPP.
The result is the depletion of the Ozone Layer. Chlorofluorocarbon (CFC) is a gaseous compound made of three elements, carbon, chlorine and fluorine (and sometimes hydrogen). Learn more. Record the pronunciation of this word in your own voice and play it to listen to how you have pronounced it. Growth in the number of participating national charities was slow -- from 23 in 1969 to only 33 in 1979. Chlorofluorocarbons: Definition: Gases covered under the 1987 Montreal Protocol and used for refrigeration, air conditioning, packaging, insulation, solvents, or aerosol propellants.
This is the British English definition of chlorofluorocarbon.View American English definition of chlorofluorocarbon. Listen to the audio pronunciation in English. If CFC production continued, however, ozone loss would be even greater. How to say chlorofluorocarbon. 'The old chlorofluorocarbon refrigerants, or CFC's, that were shown to be harmful to the ozone layer have not been installed in new refrigerators since 1993.' 'My example of an immediate man-made global environmental crisis is the one created by the profligate use of chlorinated-fluorocarbon refrigerants - the gas used in refrigerators.'
Since they are not destroyed in the lower atmosphere, CFCs drift into the upper atmosphere where, given suitable conditions, they break down ozone. Depletion of the ozone layer is the progressive thinning of the upper atmosphere of the earth's ozone layer due to the release of chemical compounds containing gaseous bromine or .
CFCs have no significant natural sources.
What Does Chlorofluorocarbon (CFC) Mean?
Thus, the ODP of CFC-11 is defined to be 1.0. chlorofluorocarbons; gases used for refrigeration that destroy ozone. This article discusses the application of these different approaches in the context of nonliquidating distributions from a controlled foreign corporation to a U.S. shareholder. CFC is a Medicaid State Plan entitlement service and must be provided to those individuals that meet the eligibility criteria. "When we realized there was a very effective chain reaction, that changed the CFC investigation from an interesting scientific problem to one that had major environmental consequences," Rowland told Chemical & Engineering News in an extensive interview in 2007.
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