氮 🔊

网络内容摘要 (Web Content Summary):

氮（拼音：dàn）是一个化学领域常用汉字，表示元素“氮”（Nitrogen, 化学符号 N）。氮是一种无色无味的气体，在空气中含量约为 80%，通常用于制造氨、硝酸、肥料，也可用于照明灯泡的充填和低温实验（液态氮）。 氮 (pinyin: dàn) is a commonly used Chinese character in chemistry, representing the element "nitrogen" (chemical symbol N). Nitrogen is a colorless and odorless gas, making up about 80% of air, and is widely used in producing ammonia, nitric acid, fertilizers, in light bulbs, and as liquid nitrogen for cooling in laboratories.

• 字形来源：“氮”由气字旁（⺆或“气”）和“炎”组成，表示这是一种气体，化学相关的新字。 Character Origin: 氮 combines the "气" radical (meaning gas or air) with "炎", indicating a newly created character referring to a gas in science.
• 相关词汇： 常见搭配有“氮气”（nitrogen gas）、“液氮”（liquid nitrogen）、“氮肥”（nitrogen fertilizer）。 Related Terms: Common phrases include "氮气" (nitrogen gas), "液氮" (liquid nitrogen), and "氮肥" (nitrogen fertilizer).
• 易混淆点：“氮”与“氯”（chlorine）、“氧”（oxygen）等其他气体名称形体和意义不同，注意区分。 Common Confusions: Do not confuse "氮" (nitrogen) with "氯" (chlorine) or "氧" (oxygen), as their characters and meanings are different.

注：有关成语或文化背景资料有限。该字主要为近现代科技用字，无传统成语。 Note: There is limited information on idioms or cultural background, as this is mainly a modern scientific term.