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:


  • Lactone - Wikipedia
    The name lactone derives from the ring compound called lactide, which is formed from the dehydration of 2-hydroxypropanoic acid (lactic acid) CH 3 -CH (OH)-COOH
  • Lactone | Aromatic, Cyclic, Ring Structure | Britannica
    lactone, any of a class of cyclic organic esters, usually formed by reaction of a carboxylic acid group with a hydroxyl group or halogen atom present in the same molecule
  • Lactones: What are They? Why are They Familiar? How Are They Made?
    Engineering more complicated lactone structures requires involves reverse thinking – imagining the product, then going backwards to the starting materials Pendant groups may be added in this way
  • Lactones – Nomenclature, Synthesis, Reactions and Uses - Vedantu
    The chemical formula of a lactide is C6H8O4 In contrast, the lactone is a cyclic ester derived from hydroxy acid Lactones are usually used for adding flavors to fruits and fermented as well as unfermented dairy products, whereas lactides are used as a precursor for polymer materials, like, polystyrene
  • Lactones- Meaning - BYJUS
    Name of lactone is derived from a compound called Lactide; that is generated by the dehydration of lactic acid These are named with a Greek letter prefix and lactone suffix Prefixes indicate the size of the lactone ring Naturally occurring Lactones are of two types; Saturated and unsaturated
  • Lactone: Uses, Dosage, Side Effects, Food Interaction FAQ
    Lactone is a specific pharmacologic antagonist of aldosterone, acting primarily through competitive binding of receptors at the aldosterone-dependent sodium-potassium exchange site in the distal convoluted renal tubule
  • What is a lactone and how is it formed? - TutorChase
    A lactone is a cyclic ester formed by the intramolecular condensation of a hydroxyl group and a carboxylic acid group Lactones are a type of organic compound that contain a cyclic ester group
  • Lactone - Wikiwand
    Lactones are usually named according to the precursor acid molecule (aceto = 2 carbon atoms, propio = 3, butyro = 4, valero = 5, capro = 6, etc ), with a -lactone suffix and a Greek letter prefix that specifies the number of carbon atoms in the heterocycle — that is, the distance between the relevant -OH and the -COOH groups along said backbone
  • Lactide vs. Lactone — What’s the Difference?
    Lactide is a cyclic di-ester formed from two lactic acid molecules, often used in polylactic acid (PLA) production Lactone is a broader category of cyclic esters formed from hydroxy acids, with varied applications in flavors and pharmaceuticals





中文字典-英文字典  2005-2009