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:

ammonium    音标拼音: [əm'oniəm]


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
    Ammonium is a modified form of ammonia that has an extra hydrogen atom It is a positively charged (cationic) molecular ion with the chemical formula NH4+ or [NH4]+ It is formed by the addition of a proton (a hydrogen nucleus) to ammonia (NH3)
  • Ammonium | H4N+ | CID 223 - PubChem
    Ammonium | H4N+ | CID 223 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • Ammonia - Wikipedia
    Ammonia is toxic, causing damage to cells and tissues For this reason it is excreted by most animals in the urine, in the form of dissolved urea Ammonia is produced biologically in a process called nitrogen fixation, but even more is generated industrially by the Haber process
  • 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
  • What Is Ammonium? Its Chemistry, Role, and Toxicity
    Ammonium (NH+4) is a positively charged ion formed when ammonia gains a proton This cation is integral to nearly all biological and environmental systems on Earth It serves as a primary source of nitrogen, a fundamental building block for life, in soil and aquatic environments
  • AMMONIUM | 14798-03-9
    AMMONIUM (CAS 14798-03-9) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook
  • 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
  • Ammonia vs. Ammonium — What’s the Difference?
    Ammonia is a pungent gas (NH₃), while ammonium (NH₄⁺) is its positively charged ion, often found in salts
  • What is the Difference Between Ammonia and Ammonium?
    Ammonia refers to the molecule with formula NH 3, whilst ammonia refers to the cation with formula NH 4+ There are significant differences between the two chemical species Ammonia is a molecule that is made up of one nitrogen atom bonded to three hydrogen atoms, and has no overall charge
  • Ammonium – Wikipedia
    Das Ammonium -Ion NH 4+ (nach IUPAC auch Azanium-Ion [1]) ist ein Kation, das sich in einer Säure-Base-Reaktion aus der gasförmigen Base Ammoniak durch Anlagerung eines Protons an das freie Elektronenpaar bildet





中文字典-英文字典  2005-2009