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：

ethylene    音标拼音: ['ɛθəl,in]
n. 乙烯

乙烯

ethylene
n 1: a flammable colorless gaseous alkene; obtained from
petroleum and natural gas and used in manufacturing many
other chemicals; sometimes used as an anesthetic [synonym:
{ethylene}, {ethene}]


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


  • Ethylene - Wikipedia
    Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula C2H4 or H2C=CH2 It is a colourless, flammable gas with a faint "sweet and musky " odour when pure [7] It is the simplest alkene (a hydrocarbon with carbon–carbon double bonds) Ethylene is widely used in the chemical industry, and its worldwide production (over 225 million tonnes in 2022) [8] exceeds that of any other
  • Ethylene | Structure, Sources, Production, Uses, Facts | Britannica
    Ethylene, the simplest of the organic compounds known as alkenes, which contain carbon-carbon double bonds Natural sources of ethylene include both natural gas and petroleum; it is also a hormone in plants, in which it inhibits growth and promotes leaf fall, and in fruits, in which it promotes ripening
  • What Is the Ethylene Molecule and How Is It Used?
    Ethylene is one of the simplest organic molecules in existence, a small hydrocarbon that consists of just two carbon atoms and four hydrogen atoms This molecule is a fundamental building block of chemistry, and its presence is ubiquitous, found everywhere from the cells of a ripening fruit to the structure of modern plastics Its simplicity belies its profound influence, acting as a gaseous
  • Ethylene | CH2=CH2 | CID 6325 - PubChem
    Ethylene is used in the production of fabricated plastics, antifreeze; making fibers; to manufacture ethylene oxide, polyethylene for plastics, alcohol, mustard gas, and other organics
  • How Is Ethylene Made? From Steam Cracking to Bio-Based
    Learn the chemical identity of ethylene and how it is manufactured, from dominant steam cracking methods to innovative bio-based alternatives
  • What Is Ethylene Used For? - WestAir
    What Makes Ethylene Essential for Fruit Ripening? Ethylene is a naturally occurring plant hormone that triggers the ripening process in climacteric fruits, and the produce industry has turned that biology into a precise, controlled operation Most fruit is picked well before it’s ready to eat Bananas, avocados, tomatoes, mangoes, pears
  • Manufacturing Ethylene: Facts, Impacts, and Pathways
    Ethylene, along with benzene, is the base for most of the world’s plastics For example, almost three quarters of the plastics consumed annually for packing and film (mostly single-use) are derivatives of ethylene (Bylsma et al 2023)
  • Ethylene (C₂H₄) – Definition, Structure, Preparation, Properties, Uses
    Ethylene (C₂H₄) – Definition, Structure, Preparation, Properties, Uses Ethylene is an Organic Compound and it is a colorless gas widely recognized for its simple structure and significant role in the natural world and industry
  • Ethylene - New World Encyclopedia
    Ethylene acts as a hormone in plants, regulating the ripening of fruit, opening of flowers, and shedding of leaves [2] It is also extremely important in industry and is the most abundantly produced organic compound in the world Global production of ethylene exceeded 75 million metric tons per year in 2005 [3] It can undergo many types of chemical reactions to generate a wide variety of
  • Ethylene - NIST Chemistry WebBook
    NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access The purpose of the fee is to recover costs associated with the development of data collections included in such sites Your institution may already be a subscriber Follow the links above to find out more about the data in these sites and their terms of usage





中文字典-英文字典  2005-2009