Concept information
Preferred term
氢
Definition
- 易燃、无色的气体，且是最轻和宇宙中含量最丰富的元素，它主要存在于水和大部分的有机化合物中，且被使用于制造氨和其他化学物质、油和脂的氢化，和焊接中。
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URI
http://www.eionet.europa.eu/gemet/concept/4103
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