정의: Tungsten is a chemical element; it has symbol W and atomic number 74. It is a metal found naturally on Earth almost exclusively in compounds with other elements. It was identified as a distinct element in 1781 and first isolated as a metal in 1783. Its important ores include scheelite and wolframite, the latter lending the element its alternative name.
| 핵심 연구 분야 | Safety |
|---|---|
| 주요 연도 | 2020년 |
| 주요 연관 키워드 | toolkit |
| 좋아요 수 | 0 |