英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:


请选择你想看的字典辞典:
单词字典翻译
chlorofluorocarbons查看 chlorofluorocarbons 在百度字典中的解释百度英翻中〔查看〕
chlorofluorocarbons查看 chlorofluorocarbons 在Google字典中的解释Google英翻中〔查看〕
chlorofluorocarbons查看 chlorofluorocarbons 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Chlorofluorocarbon - Wikipedia
    Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) are fully or partly halogenated hydrocarbons that contain carbon (C), hydrogen (H), chlorine (Cl), and fluorine (F)
  • What Are Chlorofluorocarbons? Definition and Effects
    Chlorofluorocarbons, commonly called CFCs, are synthetic chemicals made of carbon, chlorine, and fluorine atoms They were once used in everything from refrigerators to hairspray, but they turned out to be extraordinarily destructive to Earth’s protective ozone layer
  • Chlorofluorocarbon (CFC) | Britannica
    chlorofluorocarbon (CFC), any of several organic compounds composed of carbon, fluorine, and chlorine When CFCs also contain hydrogen in place of one or more chlorines, they are called hydrochlorofluorocarbons, or HCFCs
  • Chlorofluorocarbons and Ozone Depletion - American Chemical Society
    At the University of California, Irvine, F Sherwood Rowland and Mario J Molina discovered that chlorofluorocarbons (CFCs) could deplete Earth’s atmospheric ozone layer, which blocks the sun’s damaging ultraviolet rays
  • Ozone-Depleting Substances | US EPA
    Although ozone depleting substances, they are less potent at destroying stratospheric ozone than chlorofluorocarbons (CFCs) They have been introduced as temporary replacements for CFCs and are also greenhouse gases
  • What Are Chlorofluorocarbons and How Do They Impact the Environment . . .
    The chlorofluorocarbon definition is simple: they’re stable, non-flammable, and non-toxic gases or liquids These properties made them a favorite for various industrial applications Examples of chlorofluorocarbons include CFC-11 and CFC-12, commonly found in older refrigerators and aerosol products Where Do CFCs Come From?
  • CHLOROFLUOROCARBON Definition Meaning - Merriam-Webster
    The fact that chlorofluorocarbons (CFCs)—chemicals once common in aerosol cans and refrigerant loops—could destroy ozone in the atmosphere was discovered in 1974
  • Chlorofluorocarbon - an overview | ScienceDirect Topics
    CFCs are a family of inert, nontoxic, nonflammable, and easily produced liquefied chemicals that have principally been used in refrigeration, air conditioning, packaging, and insulation or as solvents and aerosol propellants (medical and other devices)
  • Where Do CFCs Come From and Are They Still Used?
    Chlorofluorocarbons, or CFCs, are synthetic chemicals that were invented in a lab in 1928 and mass-produced for decades as refrigerants, aerosol propellants, and foam-blowing agents
  • What Are Chlorofluorocarbons? - WorldAtlas
    Chlorofluorocarbons, commonly abbreviated as CFCs, are paraffin hydrocarbons that are fully halogenated CFCs contain fluorine, carbon, and chlorine These three elements are produced from propane, ethane, and methane as volatile derivative Freon is DuPont's brand name for CFCs





中文字典-英文字典  2005-2009