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单词 hydrochlorofluorocarbon
释义

Definition of hydrochlorofluorocarbon in English:

hydrochlorofluorocarbon

(also HCFC)
noun ˌhʌɪdrəˌklɔːrə(ʊ)ˈflɔːrə(ʊ)kɑːbənˌhʌɪdrəˌklɔːrə(ʊ)ˈflʊərə(ʊ)kɑːbənˌhīdrōˌklôrōˈflôrōˌkärbən
Chemistry
  • Any of a class of inert compounds of carbon, hydrogen, chlorine, and fluorine, used in place of CFCs as being somewhat less destructive to the ozone layer.

    Example sentencesExamples
    • In the 1970s it was established that CFCs were eroding the earth's ozone layer, and since then they have gradually been replaced by less harmful chemicals such as hydrochlorofluorocarbons and butane.
    • Many CFCs have been replaced with related materials known as hydrochlorofluorocarbons which reportedly do not interfere with the ozone layer.
    • Although chlorofluorocarbons are no longer used by the insulation industry, closed-cell materials are typically blown into place with hydrochlorofluorocarbons, which are also ozone destroying.
    • Blowing agents such as chlorofluorocarbons, and to a lesser extent hydrochlorofluorocarbons, have been identified with the destruction of the earth's protective ozone layer.
    • The hydrochlorofluorocarbons, or HCFC's, used today are a significant improvement.
 
 

Definition of hydrochlorofluorocarbon in US English:

hydrochlorofluorocarbon

(also HCFC)
nounˌhīdrōˌklôrōˈflôrōˌkärbən
Chemistry
  • Any of a class of inert compounds of carbon, hydrogen, hydrocarbons, chlorine, and fluorine, used in place of chlorofluorocarbons as being somewhat less destructive to the ozone layer.

    Example sentencesExamples
    • The hydrochlorofluorocarbons, or HCFC's, used today are a significant improvement.
    • Although chlorofluorocarbons are no longer used by the insulation industry, closed-cell materials are typically blown into place with hydrochlorofluorocarbons, which are also ozone destroying.
    • Many CFCs have been replaced with related materials known as hydrochlorofluorocarbons which reportedly do not interfere with the ozone layer.
    • Blowing agents such as chlorofluorocarbons, and to a lesser extent hydrochlorofluorocarbons, have been identified with the destruction of the earth's protective ozone layer.
    • In the 1970s it was established that CFCs were eroding the earth's ozone layer, and since then they have gradually been replaced by less harmful chemicals such as hydrochlorofluorocarbons and butane.
 
 
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更新时间:2025/1/27 14:16:21