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

• Determination of Pb in Edible Potassium Alum by the Stabilized Temperature Platform Furnace AAS
  等温平台石墨炉原子吸收法测定食用明矾中的铅
• A leather that has been treated with alum and/ or salt.
  一种用明矾或盐处理过的皮革。
• Mix 8 grams of alum with 7 grams of cream of tartar in a small amount of hot water.
  将八克明矾和七克的酒石混合在少量的热水中。
• The water purification technology by two grade direct ceramic particle filtration automatic alum feeding-micro flocculation is used to treat the low turbidity water in Zhongxin, Zengcheng, China.
  采用自动投矾-微絮两级陶粒直接过滤净水工艺，对增城中新低浊水源水进行试验。
• When the dyeing liquid containing sodium sulfate, alum, lime and iron salts, etc., must be added chelating agent.
  当印染液中含有硫酸钠、明矾、石灰和铁盐等，必须加入螯合剂。
• Effects of Alum on trace elements and SOD of rats brain
  明矾对大鼠脑组织微量元素及SOD活性的影响
• The current rectification is like a dose of alum.
  这次整风，就是放一把明矾。
• 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
• Analysis and Countermeasures for the Safety of Ventilation System of Wenzhou Alum Mines in Middle and Later Operation Periods
  温州矾矿开采中后期通风系统安全分析与对策
• 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。