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
CH4查看 CH4 在百度字典中的解释百度英翻中〔查看〕
CH4查看 CH4 在Google字典中的解释Google英翻中〔查看〕
CH4查看 CH4 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:


  • Methane - Wikipedia
    Methane (US: ˈmɛθeɪn METH-ayn, UK: ˈmiːθeɪn MEE-thayn) is a chemical compound that has the chemical formula CH4 (one carbon atom bonded to four hydrogen atoms) It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas
  • Methane (CH₄) - Definition, Structure, Preparation, Uses, Benefits . . .
    Methane (CH₄) is a colorless, odorless gas that plays a crucial role in both the environment and the energy sector It is the simplest form of a hydrocarbon, consisting of one carbon atom bonded to four hydrogen atoms (CH₄)
  • Methane | Definition, Properties, Uses, Facts | Britannica
    methane structure The tetrahedral structure of methane (CH4) is explained in the VSEPR (valence-shell-electron-pair repulsion) theory of molecular shape by supposing that the four pairs of bonding electrons (represented by the gray clouds) adopt positions that minimize their mutual repulsion
  • Channel 4 | Stream Watch Live TV
    Captain Sandy and her crew embark on eventful charter seasons on the Med
  • Methane | CH4 | CID 297 - PubChem
    It is also known as marsh gas or methyl hydride It is easily ignited The vapors are lighter than air Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket It is used in making other chemicals and as a constituent of the fuel, natural gas
  • Methane (CH₄): Thermophysical Properties and Phase Diagram
    Methane, CH4 , is a colorless odorless gas It is also known as marsh gas or methyl hydride The vapors are lighter than air Methane is easily ignited Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket
  • Methane - 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
  • Methane (CH4) Polarity - Chemistry Learner
    Learn methane’s bond and molecular polarity (CH4) with an image
  • Methane - Simple English Wikipedia, the free encyclopedia
    It is a gas at 25 degrees Celsius at standard atmosphere (a specific pressure) Methane is used in gas taps in places such as kitchens, chemistry classrooms, laboratories and more, as it burns very easily because of its simple molecular structure Methane's molecular structure is very simple
  • Methane - Earth Indicator - NASA Science
    Methane (CH4) is a potent greenhouse gas and is the second-largest contributor to Earth's warming after carbon dioxide (CO2) A molecule of methane traps more heat than a molecule of CO2, but methane has a relatively short lifespan of 7 to 12 years in the atmosphere





中文字典-英文字典  2005-2009