英文字典中文字典Word104.com



中文字典辭典   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   


安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • PubChem
    PubChem is the world's largest collection of freely accessible chemical information Search chemicals by name, molecular formula, structure, and other identifiers Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more
  • Ethanol | CH3CH2OH | CID 702 - PubChem
    Ethanol | CH3CH2OH or C2H6O | CID 702 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • Citric Acid | C6H8O7 | CID 311 - PubChem
    Citric acid is a tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2 It is an important metabolite in the pathway of all aerobic organisms It has a role as a calcium chelator, an antimicrobial agent, a chelator, a food acidity regulator and a fundamental metabolite It is a conjugate acid of a citrate anion and a citrate (1-)
  • Acetic Acid | CH3COOH | CID 176 - PubChem
    Acetic Acid | CH3COOH or C2H4O2 | CID 176 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • Carbon Dioxide | CO2 | CID 280 - PubChem
    Carbon Dioxide | CO2 | CID 280 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • Sodium Bicarbonate | NaHCO3 | CID 516892 - PubChem
    Sodium Bicarbonate | NaHCO3 or CHNaO3 | CID 516892 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more
  • Sucrose | C12H22O11 | CID 5988 - PubChem
    Sucrose | C12H22O11 | CID 5988 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety
  • Nicotine | C10H14N2 | CID 89594 - PubChem
    Nicotine | C10H14N2 | CID 89594 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety hazards toxicity information, supplier lists, and more


















中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典