alum
英 [ˈæləm]
美 [ˈæləm]
n. 明矾，白矾(用于制革、印染等)
复数：alums
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)
- a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum
- a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
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。