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
- 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）。 - 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。 - Effects of Alum on trace elements and SOD of rats brain
明矾对大鼠脑组织微量元素及SOD活性的影响 - 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 - 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。 - 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。 - 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。 - Tap water disinfect system, alum adding system, new sewage disposing technology, monitor system optimize configure.
自来水系统，加矾系统，污水处理新技术，监测系统的优化配置。 - 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。 - 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