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
- 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。 - 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。 - 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。 - 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 - 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 - 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。 - 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。 - 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。 - 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。