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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)
        1. a person who has received a degree from a school (high school or college or university)
            Synonym:alumnusalumnagraduategrad
          1. a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
              Synonym:potassium alumpotash alum
            1. a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
                Synonym:ammonia alumammonium alum

              双语例句

              • 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。
              • Drop a little alum into the water and you can see to the bottom.
                一把明矾放下去,就看见了底。
              • Once, when my mother administered powdered alum to my sore throat, I concluded that my family must have had enough of me.
                曾经当我妈妈将粉末状的明矾放入我疼痛的喉咙时,我甚至断定我们家不想要我了。
              • 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。
              • 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
              • Simply, the hydrate is a compound containing water molecules and secondary school textbooks mentioned on the alum, gypsum, and blue vitriol, are the most famous hydrate.
                简单地来说,水合物是含有水分子的化合物,中学课本上提到的明矾、石膏和蓝矾等,都是最著名的水合物。
              • Yet success can breed bad habits& a point several Microsoft alum hammered home.
                但是,几名前微软员工反复强调,成功也往往会滋生出恶习。
              • An additional benefit resulting out of sodium hydroxide recovery is the decrease in consumption of alum at the treatment plant.
                回收氢氧化钠的另一好处,是降低了处理厂的铝盐消耗量。
              • The current rectification is like a dose of alum.
                这次整风,就是放一把明矾。
              • Experimental study on phase change material for thermal energy storage based on ammonium alum;
                蓄热炉替代换热炉在我国已有十几年了,究竟节能与否值得探讨。