deflagrating spoon
名词 n.
英文释义
名词 n.
-
A long-handled spoon with a cover, lowered into a glass vessel filled with a gas to demonstrate deflagration.
— A piece of metal (sodium) of the size of a pea is placed in a deflagrating spoon, and heated in the blowpipe-flame to redness. Suddenly immersed into a jar containing half a pint of chlorine-gas, it burns with a bright yellow flame to chloride of sodium.
词形变化
0 次浏览
数据来源: Wiktionary