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：

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:


  • Acetone - Wikipedia
    Acetone (2-propanone or dimethyl ketone) is an organic compound with the formula (CH 3) 2 CO [22] It is the simplest and smallest ketone ( R−C(=O)−R' ) It is a colorless, highly volatile , and flammable liquid with a characteristic pungent odor
  • Acetone | CH3-CO-CH3 | CID 180 - PubChem
    It is also called dimethyl ketone, 2-propanone, and beta-ketopropane Acetone is used to make plastic, fibers, drugs, and other chemicals It is also used to dissolve other substances It occurs naturally in plants, trees, volcanic gases, forest fires, and as a product of the breakdown of body fat
  • Propanal vs. Propanone - Whats the Difference? | This vs. That
    Propanal is a colorless liquid with a pungent odor, while propanone is a colorless liquid with a sweet, fruity smell Propanal has a boiling point of approximately 49°C, whereas propanone boils at a higher temperature of around 56°C
  • Acetone | Structure, Uses, Facts | Britannica
    acetone (CH3COCH3), organic solvent of industrial and chemical significance, the simplest and most important of the aliphatic (fat-derived) ketones Pure acetone is a colourless, somewhat aromatic, flammable, mobile liquid that boils at 56 2 °C (133 °F)
  • Acetone - Chemical Safety Facts
    Acetone is a colorless liquid that is also known as propanone It is generally recognized as safe (GRAS) in certain concentrations, with low toxicity, but high flammability This chemical is a solvent that mixes well with water and evaporates quickly, making it well-suited for many household and manufacturing uses
  • Acetone | Formula, Properties Application
    Acetone, also known as propanone, is an organic compound that is colorless and possesses a distinctly sweet, fruity odor A liquid at room temperature, it is a versatile material used in a myriad of applications around the world, ranging from nail polish remover to industrial solvent
  • Acetone – Definition, Preparation, Properties, and 8 . . .
    Acetone (or propanone or dimethyl ketone) is the simplest and most important aliphatic ketone with the chemical formula (CH3)2C=O It is formed during the destructive distillation of wood and is found in the ‘Wood spirit’ It is highly soluble in a wide range of organic compounds
  • Acetone - Simple English Wikipedia, the free encyclopedia
    Acetone, or propanone, is an organic compound with the chemical formula (CH3)2CO This clear, mobile, easy-to-burn liquid is the simplest example of the ketones Acetone can be mixed with water It is an important solvent, often to clean things in the laboratory
  • Propanone (Acetone) - Essential Chemical Industry
    Propanone (acetone) is one of the most important solvents as many organic compounds dissolve readily in it but it is also miscible with water It is also a key intermediate in the manufacture of some polymers The plastics industry uses about half the propanone produced
  • Acetone (C₃H₆O) – Definition, Structure, Properties, Uses
    Acetone is also known by its chemical name propanone, has a simple molecular structure consisting of three carbon atoms, six hydrogen atoms, and one oxygen atom, represented by the chemical formula C₃H₆O At the center of the acetone molecule, there is a carbonyl group (C=O), where a carbon atom is double-bonded to an oxygen atom





中文字典-英文字典  2005-2009