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
- 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。 - 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。 - 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 - 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。 - Ultimately, this alum left the company.
最后，这位校友离开了那家公司。 - 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。 - 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。 - 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。 - 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 - Alum will settle turbid water.
明矾可以澄清浊水。