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：

appellee    

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:


  • Ammonium - Wikipedia
    It is formed by the addition of a proton (a hydrogen nucleus) to ammonia (NH3) Ammonium is also a general name for positively charged (protonated) substituted amines and quaternary ammonium cations ([NR4]+), where one or more hydrogen atoms are replaced by organic or other groups (indicated by R)
  • Ammonium | H4N+ | CID 223 - PubChem
    Ammonium is an onium cation obtained by protonation of ammonia It has a role as a cofactor, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite
  • Ammonium (NH4+): Definition, Formula, Structure, and Compounds
    What is an ammonium ion Learn its symbol, charge, preparation, and reactions Explore a few examples of ammonium compounds along with their uses
  • Where Is Ammonium Found in Nature and Industry?
    Ammonium exists throughout nature and industry, playing a foundational role in biological and environmental processes It is often discussed interchangeably with ammonia, but they are distinct forms of nitrogen
  • AMMONIUM Definition Meaning - Merriam-Webster
    The meaning of AMMONIUM is an ion NH4+ derived from ammonia by combination with a hydrogen ion and known in compounds (such as salts) that resemble in properties the compounds of the alkali metals
  • What Is NH4? The Chemistry and Uses of Ammonium
    NH4: Learn the chemistry, structure, and formation of ammonium, a vital ion essential for the Nitrogen Cycle and modern industry
  • Ammonium - wikidoc
    Ammonium cations resemble alkali metal ions like Na + or K + and can be found in salts such as ammonium bicarbonate, ammonium chloride, and ammonium nitrate Most simple ammonium salts are very water soluble The ammonium ion behaves somewhat like an alkali metal ion
  • Ammonium（Cation derived from ammonia molecules）_Baiduwiki
    Ammonium is a cation, also known as the ammonium ion It is a positive complex radical in chemistry, derived from ammonia as an ammoniated proton It is represented by NH₄+ It is a cation derived from the ammonia molecule The ammonium ion is formed when an ammonia molecule coordinates with a hydrogen ion (proton) Due to its chemical properties resembling those of metal ions, it is named
  • Characteristic Reactions of Ammonium Ion (NH₄⁺)
    The ammonium ion behaves chemically like the ions of the alkali metals, particularly potassium ion, which is almost the same size All ammonium salts are white and soluble
  • Ammonium ion | chemical ion | Britannica
    …ions (cations), such as the ammonium ion (NH 4+), which can be derived by the addition of a proton to a molecular base, in this case ammonia (NH 3) The hydronium ion (H 3 O +), which is the hydrogen ion in aqueous solution, also belongs to this class





中文字典-英文字典  2005-2009