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
- Ultimately, this alum left the company.
最后，这位校友离开了那家公司。 - 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。 - 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。 - 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。 - 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。 - The main mineral resources in the territory there is iron ore, potash feldspar, sodium feldspar, limestone, quartz stone, phosphate rock, aluminum alum with disabilities, go home and so on.
境内矿产资源主要有铁矿石、钾长石、钠长石、石灰石、石英石、磷矿石、铝矾士、去母等。 - 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。 - 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）。 - 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。 - 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。