alum

英 [ˈæləm]

美 [ˈæləm]

n.  明矾，白矾(用于制革、印染等)

复数：alums　

化学

BNC.28085 / COCA.17889

牛津词典

noun

• 明矾，白矾（用于制革、印染等）
  a substance formed from aluminium/aluminum and another metal, used, for example, to prepare leather and to change the colour of things

英英释义

noun

• a double sulphate of aluminum and potassium that is used as an astringent (among other things)
• a person who has received a degree from a school (high school or college or university)
  Synonym:alumnusalumnagraduategrad
• a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
  Synonym:potassium alumpotash alum
• a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
  Synonym:ammonia alumammonium alum

双语例句

• Blue vitriol, ie copper sulphate Alum will settle turbid water.
  胆矾（五水硫酸铜）.明矾可以澄清浊水。
• Tap water disinfect system, alum adding system, new sewage disposing technology, monitor system optimize configure.
  自来水系统，加矾系统，污水处理新技术，监测系统的优化配置。
• Ethyl decanoate was synthesized from capric acid and ethanol by using ferric potassium alum as catalyst.
  以铁钾矾为催化剂，通过葵酸与乙醇反应合成了癸酸乙酯。
• The Research of Alum Control System in Precipitator Based on Digital Image Processing
  基于数字图像处理对沉淀池矾花控制系统的算法研究
• Alum: White crystals, soluble in water. Used for sizing paper.
  明矾：可溶于水的白色晶体。纸张施胶的材料。
• The current rectification is like a dose of alum.
  这次整风，就是放一把明矾。
• The second is the only flour, but it soon died because of the excessive amount of flour Lishan alum.
  第二只吃的是面粉，然而它也很快死了，因为面粉里掺了过量的明矾。
• A leather that has been treated with alum and/ or salt.
  一种用明矾或盐处理过的皮革。
• Objective: To explore the bacteriostatic effect of alum and dried alum in vitro.
  目的：探讨白矾及枯矾体外抑菌作用。
• Mix eight grams of alum with seven grams of cream of tartar in a small amount of hot water.
  将八克明矾和七克酒石膏用少量的热水混合在一起。