MY词语>英语词典>alum翻译和用法

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

              • 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。
              • A leather that has been treated with alum and/ or salt.
                一种用明矾或盐处理过的皮革。
              • Glass alum treatment group adopted the treatment lotion Hip Bath, and compared to the control group taked a0.02 percent solution of potassium permanganate Hip Bath warm water.
                治疗组采用硝矾洗剂坐浴治疗,与采用0.02%高锰酸钾溶液温水坐浴的对照组相比较。
              • To make a sapphire crystal, the basic material used is a salt cleansed from any foreign body ( ammoniacal alum).
                蓝宝石水晶玻璃的主要原料是一种经过洗涤后除去了所有异物的盐(氨明矾)。
              • Sedimentation: after the addition of coagulant and the mixture reaction, colloid impurities in water coagulate into larger alum grains, which are further removed from the sedimentation tank.
                沉淀:原水加混凝剂后,经过混合反应,水中胶体杂质凝聚成较大的矾花颗粒,进一步在沉淀池中去除。
              • Ultimately, this alum left the company.
                最后,这位校友离开了那家公司。
              • Conclusion: Alum and dried alum have significant bacteriostatic effect in vitro.
                结论:白矾及枯矾在体外有明显的抑菌作用。
              • 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。
              • 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。
              • A salt, such as alum, that ionizes in solution as if it were two separate salts but forms a single substance upon crystallization.
                溶解电离时好似是两种不同的盐,结晶时却构成一种物质,如明矾。