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
CH2O查看　CH2O　在百度字典中的解释百度英翻中〔查看〕
CH2O查看　CH2O　在Google字典中的解释Google英翻中〔查看〕
CH2O查看　CH2O　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:


  • Formaldehyde - Wikipedia
    Monomeric CH2O is a gas and is rarely encountered in the laboratory Aqueous formaldehyde, unlike some other small aldehydes (which need specific conditions to oligomerize through aldol condensation) oligomerizes spontaneously at a common state
  • CH2O
    “With Fresh-Pak, we maintain that quality but with much less labor We’ve experienced less repack with Chlorine Dioxide, which also reduces labor ” © 2022 CH 2 O Inc All Rights Copyrights Reserved
  • Document Library - CH₂O | Global Leader in Water Treatment - CH2O
    CH 2 O, Inc stands on a solid foundation where ingenuity and science are united to yield exclusive innovations We create a common vision with our clients and become your partner Our forward-looking team is an instrument for providing customized water treatment solutions to fit your needs
  • Formaldehyde - Simple English Wikipedia, the free encyclopedia
    Formaldehyde (or methanal) is an organic chemical compound with the formula CH2O It is the simplest aldehyde It is a colorless gas with a strong smell Like other aldehydes, it is flammable and toxic [1] Its main application is as a disinfectant It is a biocide, this means it can kill most bacteria and fungi
  • What does CH2O mean in chemistry? - ScienceOxygen
    CH2O is the formula of formaldehyde which is the most common and simplest aldehyde ever known Formaldehyde is produced by separating one hydrogen atom from the alcohol
  • Formaldehyde - 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
  • CH2O Lewis Structure (Formaldehyde) – Geometry Polarity
    See the CH2O Lewis structure with 12 valence electrons, two C–H bonds, and one C=O double bond Learn formaldehyde's geometry, sp2 hybridization, polarity, and drawing steps
  • Formaldehyde - 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
  • CH2O Lewis structure - Learnool
    In the CH 2 O Lewis structure, there are two single bonds around the carbon atom, with two hydrogen atoms attached to it And the oxygen atom with two lone pairs on it, makes a double bond with the carbon atom Alternative method: Lewis structure of CH 2 O
  • Formaldehyde (CH2O) properties - Chemical Portal
    Formaldehyde, systematically named methanal with the chemical formula CH₂O, represents the simplest member of the aldehyde class of organic compounds This colorless gas possesses a characteristically pungent, irritating odor and exhibits high reactivity





中文字典-英文字典  2005-2009