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:



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:


  • Acetylene - Wikipedia
    Acetylene was discovered in 1836 by Edmund Davy, who identified it as a "new carburet of hydrogen" [13][14] It was an accidental discovery while attempting to isolate potassium metal
  • Ethyne | Formula, Properties Application
    Ethyne, also known as acetylene, is a simple aliphatic hydrocarbon Its chemical formula is C 2 H 2, making it the simplest member of the alkynes, a group of hydrocarbons that contain a carbon-carbon triple bond
  • Acetylene | C2H2 | CID 6326 - PubChem
    Acetylene appears as a colorless gas with a faint garlic-like odor Easily ignited and burns with a sooty flame Gas is lighter than air Flame may flash back to the source of a leak very easily Under prolonged exposure to fire or heat the containers may rupture violently and rocket
  • Ethyne: Structure, Preparation, Uses Key Properties Explained - Vedantu
    Ethyne, commonly known as acetylene, is the simplest alkyne with the chemical formula C₂H₂ Its structure features two carbon atoms connected by a triple bond (one sigma and two pi bonds) and each carbon atom is also bonded to one hydrogen atom
  • What is Ethyne? - BYJUS
    Ethyne, also known as acetylene, is an organic chemical compound with the chemical formula C2H2 Since the entire chemical composition only features hydrogen and carbon atoms, this compound is a hydrocarbon
  • Acetylene | Description, Properties, Uses | Britannica
    acetylene, the simplest and best-known member of the hydrocarbon series containing one or more pairs of carbon atoms linked by triple bonds, called the acetylenic series, or alkynes
  • Ethyne: Learn Meaning, Structure, Preparation, Properties Uses
    Learn about ethyne topic in detail, its definition, structure, formula, preparation and hybridization along with its physical and chemical properties uses
  • Bonding in Ethyne (Acetylene) - Chemistry LibreTexts
    Ethyne, C2H2, has a triple bond between the two carbon atoms In the diagram each line represents one pair of shared electrons If you have read the ethene page, you will expect that ethyne is going to be more complicated than this simple structure suggests
  • Alkynes: Ethyne, Properties, and Uses
    Ethyne burns readily in oxygen, releasing enormous amount of heat, which can be used in cutting and welding metals This flame is called oxy acetylene flame, used by welders
  • Acetylene - New World Encyclopedia
    Acetylene (systematic name: ethyne) is a hydrocarbon belonging to the group of alkynes It is considered to be the simplest of all alkynes as it consists of two hydrogen atoms and two carbon atoms





中文字典-英文字典  2005-2009